ci-upstream-kasan-gce-root/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-kasan-gce-root/syz-executor3884584470 <...> Warning: Permanently added '10.128.1.177' (ED25519) to the list of known hosts. execve("ci-upstream-kasan-gce-root/syz-executor3884584470", ["ci-upstream-kasan-gce-root/syz-executor3884584470"], 0x7ffc0ba1d1d0 /* 10 vars */) = 0 [ 91.343094][ T30] cfg80211: failed to load regulatory.db brk(NULL) = 0x55555b6dc000 brk(0x55555b6dcd80) = 0x55555b6dcd80 arch_prctl(ARCH_SET_FS, 0x55555b6dc400) = 0 set_tid_address(0x55555b6dc6d0) = 5628 set_robust_list(0x55555b6dc6e0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci-upstream-kasan-gce-root/syz-executor3884584470", 4096) = 55 getrandom("\xfe\x0b\xd8\x78\xb3\x28\x6a\xe8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555b6dcd80 brk(0x55555b6fdd80) = 0x55555b6fdd80 brk(0x55555b6fe000) = 0x55555b6fe000 mprotect(0x7fdd4b5c0000, 20480, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5630 attached , child_tidptr=0x55555b6dc6d0) = 5630 [pid 5630] set_robust_list(0x55555b6dc6e0, 24 [pid 5628] rt_sigprocmask(SIG_SETMASK, [] [pid 5630] <... set_robust_list resumed>) = 0 [pid 5628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5630] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5630] setpgid(0, 0) = 0 [pid 5630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5630] write(3, "1000", 4) = 4 [pid 5630] close(3) = 0 executing program [pid 5630] write(1, "executing program\n", 18) = 18 [pid 5630] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5630] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5630] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5630] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5630] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5630] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5630] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5630] openat(AT_FDCWD, "/dev/ublkc0", O_RDWR) = 5 [pid 5630] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5630] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5630] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5630] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = 0x7fdd4b504000 [pid 5630] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5630] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5630] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5630] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5630] getpid() = 5630 [pid 5630] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5630] exit_group(0) = ? [ 91.638945][ T5630] [ 91.641312][ T5630] ============================= [ 91.646154][ T5630] WARNING: suspicious RCU usage [ 91.652805][ T5630] syzkaller #0 Not tainted [ 91.657231][ T5630] ----------------------------- [ 91.662723][ T5630] lib/maple_tree.c:720 suspicious rcu_dereference_check() usage! [ 91.670518][ T5630] [ 91.670518][ T5630] other info that might help us debug this: [ 91.670518][ T5630] [ 91.680827][ T5630] [ 91.680827][ T5630] rcu_scheduler_active = 2, debug_locks = 1 [ 91.689006][ T5630] locks held by syz-executor388/5630: 1, last CPU#0: [ 91.695737][ T5630] #0: ffff888029fc40a0 (&ctx->uring_lock){+.+.}-{4:4}, at: tctx_task_work_run+0x2d3/0xa80 [ 91.705946][ T5630] [ 91.705946][ T5630] stack backtrace: [ 91.711977][ T5630] CPU: 0 UID: 0 PID: 5630 Comm: syz-executor388 Not tainted syzkaller #0 PREEMPT(full) [ 91.721869][ T5630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2026 [ 91.731947][ T5630] Call Trace: [ 91.735337][ T5630] [ 91.738278][ T5630] dump_stack_lvl+0xe8/0x150 [ 91.742895][ T5630] lockdep_rcu_suspicious+0x140/0x1d0 [ 91.748284][ T5630] mas_start+0x3cc/0x640 [ 91.752573][ T5630] mas_walk+0x1db/0x490 [ 91.756724][ T5630] ublk_init_iod+0x5d2/0x1120 [ 91.761434][ T5630] ? __pfx___mutex_trylock_common+0x10/0x10 [ 91.767411][ T5630] ? __pfx_ublk_init_iod+0x10/0x10 [ 91.772548][ T5630] ? __mutex_unlock_slowpath+0x731/0x900 [ 91.778206][ T5630] ? srso_alias_return_thunk+0x5/0xfbef5 [ 91.783861][ T5630] ? lock_acquire+0x115/0x350 [ 91.788544][ T5630] ? srso_alias_return_thunk+0x5/0xfbef5 [ 91.794183][ T5630] ? ublk_setup_iod+0x15c/0x2b0 [ 91.799061][ T5630] ublk_dispatch_req+0x97/0x9c0 [ 91.803920][ T5630] ? tctx_task_work_run+0x2df/0xa80 [ 91.809123][ T5630] ? __pfx_ublk_cmd_tw_cb+0x10/0x10 [ 91.814333][ T5630] tctx_task_work_run+0x73d/0xa80 [ 91.819364][ T5630] ? tctx_task_work_run+0x4c1/0xa80 [ 91.824586][ T5630] ? __pfx_tctx_task_work_run+0x10/0x10 [ 91.830148][ T5630] ? srso_alias_return_thunk+0x5/0xfbef5 [ 91.835794][ T5630] tctx_task_work+0x3f/0x60 [ 91.840314][ T5630] task_work_run+0x1d9/0x270 [ 91.845085][ T5630] ? __pfx_task_work_run+0x10/0x10 [ 91.850191][ T5630] ? do_raw_spin_unlock+0xf5/0x200 [ 91.855316][ T5630] do_exit+0x73a/0x2360 [ 91.859465][ T5630] ? do_raw_spin_unlock+0xf5/0x200 [ 91.864588][ T5630] ? srso_alias_return_thunk+0x5/0xfbef5 [ 91.870227][ T5630] ? try_to_wake_up+0x8c5/0x14d0 [ 91.875170][ T5630] ? __pfx_do_exit+0x10/0x10 [ 91.879764][ T5630] ? srso_alias_return_thunk+0x5/0xfbef5 [ 91.885431][ T5630] ? srso_alias_return_thunk+0x5/0xfbef5 [ 91.891084][ T5630] ? _raw_spin_unlock_irq+0x23/0x50 [ 91.896294][ T5630] do_group_exit+0x22d/0x2f0 [ 91.900896][ T5630] __x64_sys_exit_group+0x3f/0x40 [ 91.905943][ T5630] x64_sys_call+0x18c6/0x18d0 [ 91.910626][ T5630] do_syscall_64+0x166/0x520 [ 91.915226][ T5630] ? trace_irq_disable+0x3b/0x140 [ 91.920302][ T5630] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 91.926400][ T5630] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 91.932310][ T5630] RIP: 0033:0x7fdd4b52c325 [ 91.936736][ T5630] Code: Unable to access opcode bytes at 0x7fdd4b52c2fb. [ 91.943755][ T5630] RSP: 002b:00007ffd716ddcc8 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 91.952175][ T5630] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fdd4b52c325 [ 91.960239][ T5630] RDX: 00000000000000e7 RSI: ffffffffffffffd8 RDI: 0000000000000000 [ 91.968220][ T5630] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 91.976207][ T5630] R10: 0000000000000001 R11: 0000000000000206 R12: 0000000000000000 [pid 5630] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5630, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555b6dc6d0) = 5634 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci-upstream-kasan-gce-root/strace-static-x86_64: Process 5634 attached [pid 5634] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5634] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 91.984363][ T5630] R13: 00007fdd4b5c5158 R14: 00007fdd4b5c7408 R15: 00007fdd4b5c7420 [ 91.992368][ T5630] [ 91.996587][ T5630] I/O error, dev ublkb0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 91.996688][ T5630] Buffer I/O error on dev ublkb0, logical block 0, async page read [ 91.997565][ T5630] I/O error, dev ublkb0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 91.997602][ T5630] Buffer I/O error on dev ublkb0, logical block 0, async page read [pid 5634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5634] setpgid(0, 0) = 0 [pid 5634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5634] write(3, "1000", 4) = 4 [pid 5634] close(3) = 0 executing program [pid 5634] write(1, "executing program\n", 18) = 18 [pid 5634] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5634] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5634] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5634] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5634] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5634] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5634] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5634] openat(AT_FDCWD, "/dev/ublkc1", O_RDWR) = 5 [ 92.021078][ T50] I/O error, dev ublkb0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 92.021121][ T50] Buffer I/O error on dev ublkb0, logical block 0, async page read [ 92.021598][ T1891] I/O error, dev ublkb0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 92.021630][ T1891] Buffer I/O error on dev ublkb0, logical block 0, async page read [ 92.022464][ T1891] I/O error, dev ublkb0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [pid 5634] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5634] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5634] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5634] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = 0x7fdd4b504000 [pid 5634] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5634] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5634] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5634] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5634] getpid() = 5634 [pid 5634] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5634] exit_group(0) = ? [ 92.022496][ T1891] Buffer I/O error on dev ublkb0, logical block 0, async page read [ 92.022649][ T1891] I/O error, dev ublkb0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 92.022679][ T1891] Buffer I/O error on dev ublkb0, logical block 0, async page read [ 92.022816][ T1891] I/O error, dev ublkb0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 92.022846][ T1891] Buffer I/O error on dev ublkb0, logical block 0, async page read [ 92.022966][ T1891] I/O error, dev ublkb0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [pid 5634] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5634, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 92.023002][ T1891] Buffer I/O error on dev ublkb0, logical block 0, async page read [ 92.023993][ T187] ldm_validate_partition_table(): Disk read failed. [ 92.024103][ T1891] I/O error, dev ublkb0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 92.024133][ T1891] Buffer I/O error on dev ublkb0, logical block 0, async page read [ 92.024433][ T1891] I/O error, dev ublkb0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 92.024463][ T1891] Buffer I/O error on dev ublkb0, logical block 0, async page read clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5636 attached [pid 5636] set_robust_list(0x55555b6dc6e0, 24 [pid 5628] <... clone resumed>, child_tidptr=0x55555b6dc6d0) = 5636 [pid 5628] rt_sigprocmask(SIG_SETMASK, [] [pid 5636] <... set_robust_list resumed>) = 0 [pid 5636] rt_sigprocmask(SIG_SETMASK, [] [pid 5628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5636] setpgid(0, 0) = 0 [pid 5636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5636] write(3, "1000", 4) = 4 [pid 5636] close(3) = 0 executing program [pid 5636] write(1, "executing program\n", 18) = 18 [pid 5636] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5636] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5636] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5636] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [ 92.024757][ T187] Dev ublkb0: unable to read RDB block 0 [ 92.025442][ T187] ublkb0: unable to read partition table [ 92.172916][ T187] ldm_validate_partition_table(): Disk read failed. [ 92.173809][ T187] Dev ublkb1: unable to read RDB block 0 [ 92.175717][ T187] ublkb1: unable to read partition table [pid 5636] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5636] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5636] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5636] openat(AT_FDCWD, "/dev/ublkc2", O_RDWR) = 5 [pid 5636] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5636] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5636] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5636] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = 0x7fdd4b504000 [pid 5636] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5636] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5636] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5636] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5636] getpid() = 5636 [pid 5636] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5636] exit_group(0) = ? [pid 5636] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5636, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5638 attached , child_tidptr=0x55555b6dc6d0) = 5638 [pid 5638] set_robust_list(0x55555b6dc6e0, 24 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5638] <... set_robust_list resumed>) = 0 [pid 5638] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5638] setpgid(0, 0) = 0 [pid 5638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5638] write(3, "1000", 4) = 4 [pid 5638] close(3) = 0 [pid 5638] write(1, "executing program\n", 18) = 18 executing program [pid 5638] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5638] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5638] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5638] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5638] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5638] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5638] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5638] openat(AT_FDCWD, "/dev/ublkc3", O_RDWR) = 5 [ 92.364664][ T187] ldm_validate_partition_table(): Disk read failed. [ 92.364976][ T187] Dev ublkb2: unable to read RDB block 0 [ 92.365445][ T187] ublkb2: unable to read partition table [pid 5638] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5638] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5638] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5638] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = 0x7fdd4b504000 [pid 5638] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5638] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5638] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5638] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5638] getpid() = 5638 [pid 5638] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5638] exit_group(0) = ? [pid 5638] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5638, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5640 attached [pid 5640] set_robust_list(0x55555b6dc6e0, 24 [pid 5628] <... clone resumed>, child_tidptr=0x55555b6dc6d0) = 5640 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5640] <... set_robust_list resumed>) = 0 [pid 5640] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5640] setpgid(0, 0) = 0 [pid 5640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5640] write(3, "1000", 4) = 4 [pid 5640] close(3) = 0 [pid 5640] write(1, "executing program\n", 18) = 18 [pid 5640] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 executing program [pid 5640] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5640] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5640] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5640] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5640] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5640] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5640] openat(AT_FDCWD, "/dev/ublkc4", O_RDWR) = 5 [pid 5640] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5640] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [ 92.514432][ T187] ldm_validate_partition_table(): Disk read failed. [ 92.515067][ T187] Dev ublkb3: unable to read RDB block 0 [ 92.516049][ T187] ublkb3: unable to read partition table [pid 5640] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5640] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = 0x7fdd4b504000 [pid 5640] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5640] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5640] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5640] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5640] getpid() = 5640 [pid 5640] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5640] exit_group(0) = ? [pid 5640] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5640, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5642 attached , child_tidptr=0x55555b6dc6d0) = 5642 [pid 5628] rt_sigprocmask(SIG_SETMASK, [] [pid 5642] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5642] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5642] setpgid(0, 0) = 0 [pid 5642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5642] write(3, "1000", 4) = 4 [pid 5642] close(3) = 0 executing program [pid 5642] write(1, "executing program\n", 18) = 18 [ 92.641832][ T187] ldm_validate_partition_table(): Disk read failed. [ 92.642250][ T187] Dev ublkb4: unable to read RDB block 0 [ 92.642995][ T187] ublkb4: unable to read partition table [pid 5642] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5642] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5642] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5642] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5642] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5642] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5642] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5642] openat(AT_FDCWD, "/dev/ublkc5", O_RDWR) = 5 [pid 5642] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5642] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5642] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5642] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = 0x7fdd4b504000 [pid 5642] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5642] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5642] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5642] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5642] getpid() = 5642 [pid 5642] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5642] exit_group(0) = ? [pid 5642] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5642, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555b6dc6d0) = 5644 ci-upstream-kasan-gce-root/strace-static-x86_64: Process 5644 attached [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5644] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5644] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5644] setpgid(0, 0) = 0 [pid 5644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5644] write(3, "1000", 4) = 4 [pid 5644] close(3) = 0 [pid 5644] write(1, "executing program\n", 18) = 18 executing program [pid 5644] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5644] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5644] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [ 92.823975][ T187] ldm_validate_partition_table(): Disk read failed. [ 92.825424][ T187] Dev ublkb5: unable to read RDB block 0 [ 92.825927][ T187] ublkb5: unable to read partition table [pid 5644] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5644] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5644] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5644] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5644] openat(AT_FDCWD, "/dev/ublkc6", O_RDWR) = 5 [pid 5644] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5644] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5644] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5644] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = 0x7fdd4b504000 [pid 5644] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5644] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5644] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5644] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5644] getpid() = 5644 [pid 5644] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5644] exit_group(0) = ? [pid 5644] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5644, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5646 attached , child_tidptr=0x55555b6dc6d0) = 5646 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5646] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5646] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5646] setpgid(0, 0) = 0 [pid 5646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5646] write(3, "1000", 4) = 4 [pid 5646] close(3) = 0 [pid 5646] write(1, "executing program\n", 18) = 18 executing program [pid 5646] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5646] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5646] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5646] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5646] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5646] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5646] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5646] openat(AT_FDCWD, "/dev/ublkc7", O_RDWR) = 5 [pid 5646] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5646] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5646] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5646] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = 0x7fdd4b504000 [pid 5646] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5646] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5646] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5646] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5646] getpid() = 5646 [pid 5646] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [ 92.980490][ T30] ldm_validate_partition_table(): Disk read failed. [ 92.980855][ T30] Dev ublkb6: unable to read RDB block 0 [ 92.982034][ T30] ublkb6: unable to read partition table [pid 5646] exit_group(0) = ? [pid 5646] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5646, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5648 attached , child_tidptr=0x55555b6dc6d0) = 5648 [pid 5648] set_robust_list(0x55555b6dc6e0, 24 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5648] <... set_robust_list resumed>) = 0 [pid 5648] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5648] setpgid(0, 0) = 0 [pid 5648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5648] write(3, "1000", 4) = 4 [pid 5648] close(3) = 0 [pid 5648] write(1, "executing program\n", 18) = 18 executing program [pid 5648] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5648] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5648] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5648] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5648] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5648] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [ 93.075617][ T2026] ldm_validate_partition_table(): Disk read failed. [ 93.076048][ T2026] Dev ublkb7: unable to read RDB block 0 [ 93.076613][ T2026] ublkb7: unable to read partition table [pid 5648] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5648] openat(AT_FDCWD, "/dev/ublkc8", O_RDWR) = 5 [pid 5648] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5648] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5648] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5648] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = 0x7fdd4b504000 [pid 5648] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5648] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5648] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5648] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5648] getpid() = 5648 [pid 5648] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5648] exit_group(0) = ? [pid 5648] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5648, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5650 attached , child_tidptr=0x55555b6dc6d0) = 5650 [pid 5628] rt_sigprocmask(SIG_SETMASK, [] [pid 5650] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5650] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5650] setpgid(0, 0) = 0 [pid 5650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5650] write(3, "1000", 4) = 4 [pid 5650] close(3) = 0 [pid 5650] write(1, "executing program\n", 18) = 18 executing program [pid 5650] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5650] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5650] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5650] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [ 93.192747][ T2026] ldm_validate_partition_table(): Disk read failed. [ 93.193196][ T2026] Dev ublkb8: unable to read RDB block 0 [ 93.193839][ T2026] ublkb8: unable to read partition table [pid 5650] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5650] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5650] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5650] openat(AT_FDCWD, "/dev/ublkc9", O_RDWR) = 5 [pid 5650] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5650] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5650] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5650] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = 0x7fdd4b504000 [pid 5650] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5650] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5650] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5650] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5650] getpid() = 5650 [pid 5650] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5650] exit_group(0) = ? [pid 5650] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5650, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5652 attached , child_tidptr=0x55555b6dc6d0) = 5652 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5652] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5652] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5652] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5652] setpgid(0, 0) = 0 [pid 5652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5652] write(3, "1000", 4) = 4 [pid 5652] close(3) = 0 [pid 5652] write(1, "executing program\n", 18) = 18 executing program [pid 5652] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5652] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5652] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5652] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [ 93.314387][ T2026] ldm_validate_partition_table(): Disk read failed. [ 93.314765][ T2026] Dev ublkb9: unable to read RDB block 0 [ 93.315258][ T2026] ublkb9: unable to read partition table [pid 5652] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5652] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5652] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5652] openat(AT_FDCWD, "/dev/ublkc0", O_RDWR) = 5 [pid 5652] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5652] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5652] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5652] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = 0x7fdd4b504000 [pid 5652] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5652] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5652] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5652] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5652] getpid() = 5652 [pid 5652] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5652] exit_group(0) = ? [pid 5652] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5652, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5654 attached , child_tidptr=0x55555b6dc6d0) = 5654 [pid 5654] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5654] rt_sigprocmask(SIG_SETMASK, [] [pid 5628] rt_sigprocmask(SIG_SETMASK, [] [pid 5654] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5654] setpgid(0, 0) = 0 [pid 5654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5654] write(3, "1000", 4) = 4 [pid 5654] close(3) = 0 [pid 5654] write(1, "executing program\n", 18) = 18 executing program [pid 5654] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5654] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5654] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5654] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5654] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5654] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5654] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5654] openat(AT_FDCWD, "/dev/ublkc1", O_RDWR) = 5 [pid 5654] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5654] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5654] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5654] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = 0x7fdd4b504000 [pid 5654] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5654] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5654] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5654] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5654] getpid() = 5654 [pid 5654] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5654] exit_group(0) = ? [pid 5654] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5654, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5656 attached , child_tidptr=0x55555b6dc6d0) = 5656 [pid 5656] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5628] rt_sigprocmask(SIG_SETMASK, [] [pid 5656] rt_sigprocmask(SIG_SETMASK, [] [pid 5628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5656] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5656] setpgid(0, 0) = 0 [pid 5656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5656] write(3, "1000", 4) = 4 [pid 5656] close(3) = 0 [pid 5656] write(1, "executing program\n", 18) = 18 executing program [pid 5656] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5656] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5656] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5656] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5656] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5656] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5656] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5656] openat(AT_FDCWD, "/dev/ublkc2", O_RDWR) = 5 [pid 5656] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5656] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5656] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5656] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = 0x7fdd4b504000 [pid 5656] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5656] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5656] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5656] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5656] getpid() = 5656 [pid 5656] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5656] exit_group(0) = ? [pid 5656] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5656, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5658 attached , child_tidptr=0x55555b6dc6d0) = 5658 [pid 5658] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5658] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5658] setpgid(0, 0) = 0 [pid 5658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5628] rt_sigprocmask(SIG_SETMASK, [] [pid 5658] <... openat resumed>) = 3 [pid 5628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5658] write(3, "1000", 4) = 4 [pid 5658] close(3) = 0 [pid 5658] write(1, "executing program\n", 18) = 18 executing program [pid 5658] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5658] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5658] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5658] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5658] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5658] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5658] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5658] openat(AT_FDCWD, "/dev/ublkc3", O_RDWR) = 5 [pid 5658] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5658] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5658] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5658] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = 0x7fdd4b504000 [pid 5658] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5658] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5658] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5658] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5658] getpid() = 5658 [pid 5658] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5658] exit_group(0) = ? [pid 5658] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5658, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5660 attached , child_tidptr=0x55555b6dc6d0) = 5660 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5660] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5660] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5660] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5660] setpgid(0, 0) = 0 [pid 5660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5660] write(3, "1000", 4) = 4 [pid 5660] close(3) = 0 [pid 5660] write(1, "executing program\n", 18) = 18 executing program [pid 5660] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5660] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5660] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5660] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5660] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5660] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5660] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5660] openat(AT_FDCWD, "/dev/ublkc4", O_RDWR) = 5 [pid 5660] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5660] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5660] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5660] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = 0x7fdd4b504000 [pid 5660] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5660] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5660] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5660] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5660] getpid() = 5660 [pid 5660] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5660] exit_group(0) = ? [pid 5660] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5660, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5662 attached , child_tidptr=0x55555b6dc6d0) = 5662 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5662] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5662] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5662] setpgid(0, 0) = 0 [pid 5662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5662] write(3, "1000", 4) = 4 [pid 5662] close(3) = 0 executing program [pid 5662] write(1, "executing program\n", 18) = 18 [pid 5662] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5662] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5662] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5662] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5662] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5662] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5662] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5662] openat(AT_FDCWD, "/dev/ublkc5", O_RDWR) = 5 [pid 5662] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5662] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5662] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5662] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = 0x7fdd4b504000 [pid 5662] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5662] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5662] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5662] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5662] getpid() = 5662 [pid 5662] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5662] exit_group(0) = ? [pid 5662] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5662, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5664 attached , child_tidptr=0x55555b6dc6d0) = 5664 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5664] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5664] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5664] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5664] setpgid(0, 0) = 0 [pid 5664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5664] write(3, "1000", 4) = 4 [pid 5664] close(3) = 0 executing program [pid 5664] write(1, "executing program\n", 18) = 18 [pid 5664] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5664] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5664] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5664] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5664] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5664] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5664] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5664] openat(AT_FDCWD, "/dev/ublkc6", O_RDWR) = 5 [pid 5664] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5664] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5664] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5664] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = 0x7fdd4b504000 [pid 5664] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5664] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5664] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5664] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5664] getpid() = 5664 [pid 5664] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5664] exit_group(0) = ? [pid 5664] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5664, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5666 attached , child_tidptr=0x55555b6dc6d0) = 5666 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5666] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5666] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5666] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5666] setpgid(0, 0) = 0 [pid 5666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5666] write(3, "1000", 4) = 4 [pid 5666] close(3) = 0 [pid 5666] write(1, "executing program\n", 18) = 18 executing program [pid 5666] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5666] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5666] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5666] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5666] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5666] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5666] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5666] openat(AT_FDCWD, "/dev/ublkc7", O_RDWR) = 5 [pid 5666] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5666] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5666] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5666] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = 0x7fdd4b504000 [pid 5666] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5666] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5666] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5666] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5666] getpid() = 5666 [pid 5666] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5666] exit_group(0) = ? [pid 5666] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5666, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5668 attached , child_tidptr=0x55555b6dc6d0) = 5668 [pid 5668] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5668] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5668] setpgid(0, 0) = 0 [pid 5668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5668] write(3, "1000", 4) = 4 [pid 5668] close(3) = 0 [pid 5668] write(1, "executing program\n", 18) = 18 executing program [pid 5668] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5668] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5668] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5668] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5668] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5668] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5668] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5668] openat(AT_FDCWD, "/dev/ublkc8", O_RDWR) = 5 [pid 5668] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5668] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5668] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5668] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = 0x7fdd4b504000 [pid 5668] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5668] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5668] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5668] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5668] getpid() = 5668 [pid 5668] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5668] exit_group(0) = ? [pid 5668] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5668, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5670 attached , child_tidptr=0x55555b6dc6d0) = 5670 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5670] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5670] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5670] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5670] setpgid(0, 0) = 0 [pid 5670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5670] write(3, "1000", 4) = 4 [pid 5670] close(3) = 0 executing program [pid 5670] write(1, "executing program\n", 18) = 18 [pid 5670] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5670] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5670] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5670] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5670] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5670] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5670] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5670] openat(AT_FDCWD, "/dev/ublkc9", O_RDWR) = 5 [pid 5670] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5670] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5670] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5670] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = 0x7fdd4b504000 [pid 5670] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5670] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5670] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5670] io_uring_enter(6, 1, 0, 0, NULL, 8) = 1 [pid 5670] getpid() = 5670 [pid 5670] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5670] exit_group(0) = ? [pid 5670] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5670, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555b6dc6d0) = 5672 ci-upstream-kasan-gce-root/strace-static-x86_64: Process 5672 attached [pid 5672] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5672] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5672] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5672] setpgid(0, 0) = 0 [pid 5672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5672] write(3, "1000", 4) = 4 [pid 5672] close(3) = 0 [pid 5672] write(1, "executing program\n", 18) = 18 executing program [pid 5672] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5672] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5672] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5672] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5672] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5672] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5672] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5672] openat(AT_FDCWD, "/dev/ublkc0", O_RDWR) = 5 [pid 5672] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5672] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5672] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5672] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5672] getpid() = 5672 [pid 5672] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5672] exit_group(0) = ? [pid 5672] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5672, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5674 attached , child_tidptr=0x55555b6dc6d0) = 5674 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5674] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5674] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5674] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5674] setpgid(0, 0) = 0 [pid 5674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5674] write(3, "1000", 4) = 4 [pid 5674] close(3) = 0 [pid 5674] write(1, "executing program\n", 18) = 18 executing program [pid 5674] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5674] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5674] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5674] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5674] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5674] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5674] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5674] openat(AT_FDCWD, "/dev/ublkc1", O_RDWR) = 5 [pid 5674] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5674] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5674] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5674] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5674] getpid() = 5674 [pid 5674] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5674] exit_group(0) = ? [pid 5674] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5674, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5676 attached , child_tidptr=0x55555b6dc6d0) = 5676 [pid 5676] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5676] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5676] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5676] setpgid(0, 0) = 0 [pid 5676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5676] write(3, "1000", 4) = 4 [pid 5676] close(3) = 0 executing program [pid 5676] write(1, "executing program\n", 18) = 18 [pid 5676] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5676] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5676] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5676] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5676] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5676] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5676] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5676] openat(AT_FDCWD, "/dev/ublkc2", O_RDWR) = 5 [pid 5676] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5676] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5676] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5676] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5676] getpid() = 5676 [pid 5676] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5676] exit_group(0) = ? [pid 5676] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5676, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5678 attached , child_tidptr=0x55555b6dc6d0) = 5678 [pid 5678] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5678] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5678] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5678] setpgid(0, 0) = 0 [pid 5678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5678] write(3, "1000", 4) = 4 [pid 5678] close(3) = 0 [pid 5678] write(1, "executing program\n", 18) = 18 executing program [pid 5678] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5678] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5678] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5678] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5678] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5678] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5678] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5678] openat(AT_FDCWD, "/dev/ublkc3", O_RDWR) = 5 [pid 5678] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5678] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5678] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5678] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5678] getpid() = 5678 [pid 5678] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5678] exit_group(0) = ? [pid 5678] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5678, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5680 attached , child_tidptr=0x55555b6dc6d0) = 5680 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5680] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5680] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5680] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5680] setpgid(0, 0) = 0 [pid 5680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5680] write(3, "1000", 4) = 4 [pid 5680] close(3) = 0 [pid 5680] write(1, "executing program\n", 18) = 18 executing program [pid 5680] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5680] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5680] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5680] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5680] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5680] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5680] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5680] openat(AT_FDCWD, "/dev/ublkc4", O_RDWR) = 5 [pid 5680] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5680] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5680] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5680] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5680] getpid() = 5680 [pid 5680] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5680] exit_group(0) = ? [pid 5680] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5680, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5682 attached , child_tidptr=0x55555b6dc6d0) = 5682 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5682] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5682] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5682] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5682] setpgid(0, 0) = 0 [pid 5682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5682] write(3, "1000", 4) = 4 [pid 5682] close(3) = 0 executing program [pid 5682] write(1, "executing program\n", 18) = 18 [pid 5682] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5682] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5682] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5682] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5682] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5682] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5682] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5682] openat(AT_FDCWD, "/dev/ublkc5", O_RDWR) = 5 [pid 5682] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5682] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5682] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5682] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5682] getpid() = 5682 [pid 5682] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5682] exit_group(0) = ? [pid 5682] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5682, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5684 attached , child_tidptr=0x55555b6dc6d0) = 5684 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5684] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5684] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5684] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5684] setpgid(0, 0) = 0 [pid 5684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5684] write(3, "1000", 4) = 4 [pid 5684] close(3) = 0 [pid 5684] write(1, "executing program\n", 18) = 18 executing program [pid 5684] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5684] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5684] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5684] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5684] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5684] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5684] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5684] openat(AT_FDCWD, "/dev/ublkc6", O_RDWR) = 5 [pid 5684] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5684] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5684] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5684] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5684] getpid() = 5684 [pid 5684] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5684] exit_group(0) = ? [pid 5684] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5684, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5686 attached , child_tidptr=0x55555b6dc6d0) = 5686 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5686] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5686] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5686] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5686] setpgid(0, 0) = 0 [pid 5686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 5686] write(3, "1000", 4) = 4 [pid 5686] close(3) = 0 [pid 5686] write(1, "executing program\n", 18) = 18 [pid 5686] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5686] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5686] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5686] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5686] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5686] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5686] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5686] openat(AT_FDCWD, "/dev/ublkc7", O_RDWR) = 5 [pid 5686] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5686] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5686] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5686] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5686] getpid() = 5686 [pid 5686] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5686] exit_group(0) = ? [pid 5686] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5686, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5688 attached , child_tidptr=0x55555b6dc6d0) = 5688 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5688] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5688] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5688] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5688] setpgid(0, 0) = 0 [pid 5688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5688] write(3, "1000", 4) = 4 [pid 5688] close(3) = 0 [pid 5688] write(1, "executing program\n", 18) = 18 executing program [pid 5688] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5688] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5688] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5688] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5688] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5688] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5688] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5688] openat(AT_FDCWD, "/dev/ublkc8", O_RDWR) = 5 [pid 5688] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5688] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5688] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5688] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5688] getpid() = 5688 [pid 5688] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5688] exit_group(0) = ? [pid 5688] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5688, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5690 attached , child_tidptr=0x55555b6dc6d0) = 5690 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5690] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5690] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5690] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5690] setpgid(0, 0) = 0 [pid 5690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5690] write(3, "1000", 4) = 4 [pid 5690] close(3) = 0 executing program [pid 5690] write(1, "executing program\n", 18) = 18 [pid 5690] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5690] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5690] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5690] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5690] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5690] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5690] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5690] openat(AT_FDCWD, "/dev/ublkc9", O_RDWR) = 5 [pid 5690] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5690] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5690] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5690] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5690] getpid() = 5690 [pid 5690] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5690] exit_group(0) = ? [pid 5690] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5690, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5692 attached [pid 5692] set_robust_list(0x55555b6dc6e0, 24 [pid 5628] <... clone resumed>, child_tidptr=0x55555b6dc6d0) = 5692 [pid 5692] <... set_robust_list resumed>) = 0 [pid 5692] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5692] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5692] setpgid(0, 0) = 0 [pid 5692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5692] write(3, "1000", 4) = 4 [pid 5692] close(3) = 0 executing program [pid 5692] write(1, "executing program\n", 18) = 18 [pid 5692] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5692] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5692] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5692] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5692] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5692] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5692] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5692] openat(AT_FDCWD, "/dev/ublkc0", O_RDWR) = 5 [pid 5692] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5692] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5692] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5692] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5692] getpid() = 5692 [pid 5692] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5692] exit_group(0) = ? [pid 5692] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5692, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5694 attached , child_tidptr=0x55555b6dc6d0) = 5694 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5694] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5694] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5694] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5694] setpgid(0, 0) = 0 [pid 5694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5694] write(3, "1000", 4) = 4 [pid 5694] close(3) = 0 executing program [pid 5694] write(1, "executing program\n", 18) = 18 [pid 5694] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5694] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5694] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5694] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5694] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5694] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5694] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5694] openat(AT_FDCWD, "/dev/ublkc1", O_RDWR) = 5 [pid 5694] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5694] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5694] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5694] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5694] getpid() = 5694 [pid 5694] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5694] exit_group(0) = ? [pid 5694] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5694, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5696 attached [pid 5696] set_robust_list(0x55555b6dc6e0, 24 [pid 5628] <... clone resumed>, child_tidptr=0x55555b6dc6d0) = 5696 [pid 5696] <... set_robust_list resumed>) = 0 [pid 5696] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5696] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5696] setpgid(0, 0) = 0 [pid 5696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5696] write(3, "1000", 4) = 4 [pid 5696] close(3) = 0 executing program [pid 5696] write(1, "executing program\n", 18) = 18 [pid 5696] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5696] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5696] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5696] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5696] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5696] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5696] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5696] openat(AT_FDCWD, "/dev/ublkc2", O_RDWR) = 5 [pid 5696] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5696] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5696] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5696] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5696] getpid() = 5696 [pid 5696] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5696] exit_group(0) = ? [pid 5696] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5696, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555b6dc6d0) = 5698 ci-upstream-kasan-gce-root/strace-static-x86_64: Process 5698 attached [pid 5698] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5698] rt_sigprocmask(SIG_SETMASK, [] [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5698] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5698] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5698] setpgid(0, 0) = 0 [pid 5698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5698] write(3, "1000", 4) = 4 [pid 5698] close(3) = 0 [pid 5698] write(1, "executing program\n", 18) = 18 executing program [pid 5698] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5698] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5698] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5698] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5698] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5698] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5698] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5698] openat(AT_FDCWD, "/dev/ublkc3", O_RDWR) = 5 [pid 5698] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5698] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5698] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5698] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5698] getpid() = 5698 [pid 5698] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5698] exit_group(0) = ? [pid 5698] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5698, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5700 attached , child_tidptr=0x55555b6dc6d0) = 5700 [pid 5628] rt_sigprocmask(SIG_SETMASK, [] [pid 5700] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5700] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5700] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5700] setpgid(0, 0) = 0 [pid 5700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5700] write(3, "1000", 4) = 4 [pid 5700] close(3) = 0 [pid 5700] write(1, "executing program\n", 18) = 18 executing program [pid 5700] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5700] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5700] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5700] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5700] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5700] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5700] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5700] openat(AT_FDCWD, "/dev/ublkc4", O_RDWR) = 5 [pid 5700] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5700] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5700] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5700] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5700] getpid() = 5700 [pid 5700] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5700] exit_group(0) = ? [pid 5700] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5700, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5702 attached , child_tidptr=0x55555b6dc6d0) = 5702 [pid 5702] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5628] rt_sigprocmask(SIG_SETMASK, [] [pid 5702] rt_sigprocmask(SIG_SETMASK, [] [pid 5628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5702] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5702] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5702] setpgid(0, 0) = 0 [pid 5702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5702] write(3, "1000", 4) = 4 [pid 5702] close(3) = 0 executing program [pid 5702] write(1, "executing program\n", 18) = 18 [pid 5702] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5702] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5702] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5702] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5702] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5702] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5702] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5702] openat(AT_FDCWD, "/dev/ublkc5", O_RDWR) = 5 [pid 5702] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5702] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5702] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5702] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5702] getpid() = 5702 [pid 5702] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5702] exit_group(0) = ? [pid 5702] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5702, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5704 attached , child_tidptr=0x55555b6dc6d0) = 5704 [pid 5704] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5704] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5704] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5704] setpgid(0, 0) = 0 [pid 5628] rt_sigprocmask(SIG_SETMASK, [] [pid 5704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5704] <... openat resumed>) = 3 [pid 5704] write(3, "1000", 4) = 4 [pid 5704] close(3) = 0 executing program [pid 5704] write(1, "executing program\n", 18) = 18 [pid 5704] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5704] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5704] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5704] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5704] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5704] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5704] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5704] openat(AT_FDCWD, "/dev/ublkc6", O_RDWR) = 5 [pid 5704] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5704] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5704] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5704] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5704] getpid() = 5704 [pid 5704] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5704] exit_group(0) = ? [pid 5704] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5704, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5706 attached , child_tidptr=0x55555b6dc6d0) = 5706 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5706] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5706] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5706] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5706] setpgid(0, 0) = 0 [pid 5706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5706] write(3, "1000", 4) = 4 [pid 5706] close(3) = 0 [pid 5706] write(1, "executing program\n", 18) = 18 executing program [pid 5706] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5706] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5706] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5706] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5706] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5706] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5706] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5706] openat(AT_FDCWD, "/dev/ublkc7", O_RDWR) = 5 [pid 5706] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5706] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5706] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5706] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5706] getpid() = 5706 [pid 5706] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5706] exit_group(0) = ? [pid 5706] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5706, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5708 attached [pid 5708] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5708] rt_sigprocmask(SIG_SETMASK, [] [pid 5628] <... clone resumed>, child_tidptr=0x55555b6dc6d0) = 5708 [pid 5708] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5628] rt_sigprocmask(SIG_SETMASK, [] [pid 5708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5708] <... prctl resumed>) = 0 [pid 5708] setpgid(0, 0) = 0 [pid 5708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5708] write(3, "1000", 4) = 4 [pid 5708] close(3) = 0 executing program [pid 5708] write(1, "executing program\n", 18) = 18 [pid 5708] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5708] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5708] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5708] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5708] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5708] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5708] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5708] openat(AT_FDCWD, "/dev/ublkc8", O_RDWR) = 5 [pid 5708] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5708] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5708] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5708] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5708] getpid() = 5708 [pid 5708] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5708] exit_group(0) = ? [pid 5708] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5708, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5710 attached [pid 5710] set_robust_list(0x55555b6dc6e0, 24 [pid 5628] <... clone resumed>, child_tidptr=0x55555b6dc6d0) = 5710 [pid 5710] <... set_robust_list resumed>) = 0 [pid 5710] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5710] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5710] setpgid(0, 0) = 0 [pid 5710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5710] write(3, "1000", 4) = 4 [pid 5710] close(3) = 0 [pid 5710] write(1, "executing program\n", 18) = 18 executing program [pid 5710] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5710] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5710] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5710] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5710] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5710] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5710] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5710] openat(AT_FDCWD, "/dev/ublkc9", O_RDWR) = 5 [pid 5710] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5710] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5710] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5710] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5710] getpid() = 5710 [pid 5710] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5710] exit_group(0) = ? [pid 5710] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5710, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5712 attached , child_tidptr=0x55555b6dc6d0) = 5712 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5712] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5712] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5712] setpgid(0, 0) = 0 [pid 5712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5712] write(3, "1000", 4) = 4 [pid 5712] close(3) = 0 [pid 5712] write(1, "executing program\n", 18) = 18 executing program [pid 5712] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5712] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5712] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5712] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5712] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5712] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5712] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5712] openat(AT_FDCWD, "/dev/ublkc0", O_RDWR) = 5 [pid 5712] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5712] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5712] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5712] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5712] getpid() = 5712 [pid 5712] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5712] exit_group(0) = ? [pid 5712] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5712, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5714 attached [pid 5714] set_robust_list(0x55555b6dc6e0, 24 [pid 5628] <... clone resumed>, child_tidptr=0x55555b6dc6d0) = 5714 [pid 5714] <... set_robust_list resumed>) = 0 [pid 5714] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5714] setpgid(0, 0) = 0 [pid 5714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5714] write(3, "1000", 4) = 4 [pid 5714] close(3) = 0 executing program [pid 5714] write(1, "executing program\n", 18) = 18 [pid 5714] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5714] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5714] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5714] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5714] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5714] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5714] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5714] openat(AT_FDCWD, "/dev/ublkc1", O_RDWR) = 5 [pid 5714] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5714] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5714] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5714] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5714] getpid() = 5714 [pid 5714] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5714] exit_group(0) = ? [pid 5714] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5714, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5716 attached , child_tidptr=0x55555b6dc6d0) = 5716 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5716] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5716] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5716] setpgid(0, 0) = 0 [pid 5716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5716] write(3, "1000", 4) = 4 [pid 5716] close(3) = 0 executing program [pid 5716] write(1, "executing program\n", 18) = 18 [pid 5716] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5716] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5716] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5716] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5716] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5716] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5716] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5716] openat(AT_FDCWD, "/dev/ublkc2", O_RDWR) = 5 [pid 5716] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5716] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5716] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5716] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5716] getpid() = 5716 [pid 5716] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5716] exit_group(0) = ? [pid 5716] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5716, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5718 attached , child_tidptr=0x55555b6dc6d0) = 5718 [pid 5718] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5628] rt_sigprocmask(SIG_SETMASK, [] [pid 5718] rt_sigprocmask(SIG_SETMASK, [] [pid 5628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5718] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5718] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5718] setpgid(0, 0) = 0 [pid 5718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5718] write(3, "1000", 4) = 4 [pid 5718] close(3) = 0 executing program [pid 5718] write(1, "executing program\n", 18) = 18 [pid 5718] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5718] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5718] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5718] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5718] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5718] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5718] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5718] openat(AT_FDCWD, "/dev/ublkc3", O_RDWR) = 5 [pid 5718] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5718] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5718] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5718] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5718] getpid() = 5718 [pid 5718] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5718] exit_group(0) = ? [pid 5718] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5718, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5720 attached , child_tidptr=0x55555b6dc6d0) = 5720 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5720] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5720] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5720] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5720] setpgid(0, 0) = 0 [pid 5720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5720] write(3, "1000", 4) = 4 [pid 5720] close(3) = 0 [pid 5720] write(1, "executing program\n", 18) = 18 executing program [pid 5720] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5720] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5720] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5720] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5720] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5720] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5720] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5720] openat(AT_FDCWD, "/dev/ublkc4", O_RDWR) = 5 [pid 5720] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5720] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5720] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5720] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5720] getpid() = 5720 [pid 5720] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5720] exit_group(0) = ? [pid 5720] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5720, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5722 attached , child_tidptr=0x55555b6dc6d0) = 5722 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5722] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5722] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5722] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5722] setpgid(0, 0) = 0 [pid 5722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5722] write(3, "1000", 4) = 4 [pid 5722] close(3) = 0 executing program [pid 5722] write(1, "executing program\n", 18) = 18 [pid 5722] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5722] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5722] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5722] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5722] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5722] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5722] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5722] openat(AT_FDCWD, "/dev/ublkc5", O_RDWR) = 5 [pid 5722] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5722] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5722] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5722] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5722] getpid() = 5722 [pid 5722] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5722] exit_group(0) = ? [pid 5722] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5722, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5724 attached , child_tidptr=0x55555b6dc6d0) = 5724 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5724] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5724] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5724] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5724] setpgid(0, 0) = 0 [pid 5724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5724] write(3, "1000", 4) = 4 [pid 5724] close(3) = 0 executing program [pid 5724] write(1, "executing program\n", 18) = 18 [pid 5724] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5724] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5724] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5724] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5724] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5724] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5724] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5724] openat(AT_FDCWD, "/dev/ublkc6", O_RDWR) = 5 [pid 5724] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5724] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5724] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5724] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5724] getpid() = 5724 [pid 5724] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5724] exit_group(0) = ? [pid 5724] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5724, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5726 attached , child_tidptr=0x55555b6dc6d0) = 5726 [pid 5726] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5726] rt_sigprocmask(SIG_SETMASK, [] [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5726] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5726] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5726] setpgid(0, 0) = 0 [pid 5726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5726] write(3, "1000", 4) = 4 executing program [pid 5726] close(3) = 0 [pid 5726] write(1, "executing program\n", 18) = 18 [pid 5726] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5726] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5726] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5726] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5726] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5726] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5726] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5726] openat(AT_FDCWD, "/dev/ublkc7", O_RDWR) = 5 [pid 5726] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5726] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5726] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5726] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5726] getpid() = 5726 [pid 5726] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5726] exit_group(0) = ? [pid 5726] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5726, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555b6dc6d0) = 5728 ci-upstream-kasan-gce-root/strace-static-x86_64: Process 5728 attached [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5728] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5728] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5728] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5728] setpgid(0, 0) = 0 [pid 5728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5728] write(3, "1000", 4) = 4 [pid 5728] close(3) = 0 [pid 5728] write(1, "executing program\n", 18) = 18 executing program [pid 5728] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5728] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5728] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5728] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5728] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5728] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5728] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5728] openat(AT_FDCWD, "/dev/ublkc8", O_RDWR) = 5 [pid 5728] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5728] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5728] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5728] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5728] getpid() = 5728 [pid 5728] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5728] exit_group(0) = ? [pid 5728] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5728, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5730 attached , child_tidptr=0x55555b6dc6d0) = 5730 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5730] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5730] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5730] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5730] setpgid(0, 0) = 0 [pid 5730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5730] write(3, "1000", 4) = 4 [pid 5730] close(3) = 0 [pid 5730] write(1, "executing program\n", 18) = 18 executing program [pid 5730] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5730] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5730] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5730] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5730] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5730] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5730] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5730] openat(AT_FDCWD, "/dev/ublkc9", O_RDWR) = 5 [pid 5730] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5730] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5730] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5730] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5730] getpid() = 5730 [pid 5730] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5730] exit_group(0) = ? [pid 5730] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5730, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5732 attached , child_tidptr=0x55555b6dc6d0) = 5732 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5732] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5732] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5732] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5732] setpgid(0, 0) = 0 [pid 5732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5732] write(3, "1000", 4) = 4 [pid 5732] close(3) = 0 [pid 5732] write(1, "executing program\n", 18) = 18 executing program [pid 5732] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5732] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5732] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5732] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5732] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5732] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5732] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5732] openat(AT_FDCWD, "/dev/ublkc0", O_RDWR) = 5 [pid 5732] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5732] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5732] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5732] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5732] getpid() = 5732 [pid 5732] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5732] exit_group(0) = ? [pid 5732] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5732, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5734 attached , child_tidptr=0x55555b6dc6d0) = 5734 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5734] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5734] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5734] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5734] setpgid(0, 0) = 0 [pid 5734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5734] write(3, "1000", 4) = 4 [pid 5734] close(3) = 0 [pid 5734] write(1, "executing program\n", 18) = 18 executing program [pid 5734] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5734] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5734] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5734] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5734] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5734] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5734] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5734] openat(AT_FDCWD, "/dev/ublkc1", O_RDWR) = 5 [pid 5734] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5734] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5734] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5734] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5734] getpid() = 5734 [pid 5734] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5734] exit_group(0) = ? [pid 5734] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5734, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5736 attached , child_tidptr=0x55555b6dc6d0) = 5736 [pid 5628] rt_sigprocmask(SIG_SETMASK, [] [pid 5736] set_robust_list(0x55555b6dc6e0, 24 [pid 5628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5736] <... set_robust_list resumed>) = 0 [pid 5736] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5736] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5736] setpgid(0, 0) = 0 [pid 5736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5736] write(3, "1000", 4) = 4 [pid 5736] close(3) = 0 [pid 5736] write(1, "executing program\n", 18) = 18 executing program [pid 5736] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5736] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5736] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5736] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5736] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5736] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5736] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5736] openat(AT_FDCWD, "/dev/ublkc2", O_RDWR) = 5 [pid 5736] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5736] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5736] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5736] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5736] getpid() = 5736 [pid 5736] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5736] exit_group(0) = ? [pid 5736] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5736, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5738 attached , child_tidptr=0x55555b6dc6d0) = 5738 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5738] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5738] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5738] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5738] setpgid(0, 0) = 0 [pid 5738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5738] write(3, "1000", 4) = 4 [pid 5738] close(3) = 0 executing program [pid 5738] write(1, "executing program\n", 18) = 18 [pid 5738] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5738] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5738] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5738] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5738] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5738] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5738] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5738] openat(AT_FDCWD, "/dev/ublkc3", O_RDWR) = 5 [pid 5738] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5738] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5738] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5738] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5738] getpid() = 5738 [pid 5738] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5738] exit_group(0) = ? [pid 5738] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5738, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5740 attached , child_tidptr=0x55555b6dc6d0) = 5740 [pid 5740] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5740] rt_sigprocmask(SIG_SETMASK, [] [pid 5628] rt_sigprocmask(SIG_SETMASK, [] [pid 5740] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5740] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5740] setpgid(0, 0) = 0 [pid 5740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5740] write(3, "1000", 4) = 4 [pid 5740] close(3) = 0 [pid 5740] write(1, "executing program\n", 18) = 18 executing program [pid 5740] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5740] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5740] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5740] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5740] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5740] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5740] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5740] openat(AT_FDCWD, "/dev/ublkc4", O_RDWR) = 5 [pid 5740] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5740] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5740] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5740] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5740] getpid() = 5740 [pid 5740] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5740] exit_group(0) = ? [pid 5740] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5740, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5742 attached , child_tidptr=0x55555b6dc6d0) = 5742 [pid 5628] rt_sigprocmask(SIG_SETMASK, [] [pid 5742] set_robust_list(0x55555b6dc6e0, 24 [pid 5628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5742] <... set_robust_list resumed>) = 0 [pid 5742] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5742] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5742] setpgid(0, 0) = 0 executing program [pid 5742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5742] write(3, "1000", 4) = 4 [pid 5742] close(3) = 0 [pid 5742] write(1, "executing program\n", 18) = 18 [pid 5742] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5742] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5742] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5742] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5742] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5742] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5742] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5742] openat(AT_FDCWD, "/dev/ublkc5", O_RDWR) = 5 [pid 5742] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5742] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5742] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5742] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5742] getpid() = 5742 [pid 5742] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5742] exit_group(0) = ? [pid 5742] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5742, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-root/strace-static-x86_64: Process 5744 attached , child_tidptr=0x55555b6dc6d0) = 5744 [pid 5744] set_robust_list(0x55555b6dc6e0, 24) = 0 [pid 5744] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5744] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5744] setpgid(0, 0) = 0 [pid 5628] rt_sigprocmask(SIG_SETMASK, [] [pid 5744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5744] <... openat resumed>) = 3 [pid 5744] write(3, "1000", 4) = 4 [pid 5744] close(3) = 0 executing program [pid 5744] write(1, "executing program\n", 18) = 18 [pid 5744] openat(AT_FDCWD, "/dev/ublk-control", O_RDWR) = 3 [pid 5744] io_uring_setup(32, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32, cq_entries=64, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=2176, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 4 [pid 5744] mmap(NULL, 2304, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7fdd4b508000 [pid 5744] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7fdd4b507000 [pid 5744] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 8) = 1 [pid 5744] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 0 [pid 5744] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5744] openat(AT_FDCWD, "/dev/ublkc6", O_RDWR) = 5 [pid 5744] io_uring_setup(4, {flags=IORING_SETUP_SQE128|IORING_SETUP_CQE32, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=4, cq_entries=8, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=384, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 6 [pid 5744] mmap(NULL, 400, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0) = 0x7fdd4b506000 [pid 5744] mmap(NULL, 512, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 6, 0x10000000) = 0x7fdd4b505000 [pid 5744] mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_POPULATE, 5, 0) = -1 EINVAL (Invalid argument) [pid 5744] getpid() = 5744 [pid 5744] io_uring_enter(4, 1, 1, IORING_ENTER_GETEVENTS, NULL, 0) = 1 [pid 5744] exit_group(0) = ?