ci-upstream-kasan-gce/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-kasan-gce/syz-executor3722019633 <...> Warning: Permanently added '10.128.1.186' (ED25519) to the list of known hosts. execve("ci-upstream-kasan-gce/syz-executor3722019633", ["ci-upstream-kasan-gce/syz-executor3722019633"], 0x7ffd8c09c4e0 /* 10 vars */) = 0 brk(NULL) = 0x555594e73000 brk(0x555594e73d80) = 0x555594e73d80 arch_prctl(ARCH_SET_FS, 0x555594e73400) = 0 set_tid_address(0x555594e736d0) = 5659 set_robust_list(0x555594e736e0, 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/syz-executor3722019633", 4096) = 50 getrandom("\xf6\x17\x0f\xfc\xd5\xaa\x6c\xbe", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555594e73d80 brk(0x555594e94d80) = 0x555594e94d80 brk(0x555594e95000) = 0x555594e95000 mprotect(0x7f0e1c248000, 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/strace-static-x86_64: Process 5660 attached , child_tidptr=0x555594e736d0) = 5660 [pid 5660] set_robust_list(0x555594e736e0, 24) = 0 [pid 5659] rt_sigprocmask(SIG_SETMASK, [] [pid 5660] rt_sigprocmask(SIG_SETMASK, [] [pid 5659] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5659] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5659] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5660] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5660] rt_sigprocmask(SIG_BLOCK, ~[]ci-upstream-kasan-gce/strace-static-x86_64: Process 5661 attached , [], 8) = 0 [pid 5660] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5659] <... clone resumed>, child_tidptr=0x555594e736d0) = 5661 [pid 5661] set_robust_list(0x555594e736e0, 24 [pid 5659] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5661] <... set_robust_list resumed>) = 0 [pid 5659] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5661] rt_sigprocmask(SIG_SETMASK, []ci-upstream-kasan-gce/strace-static-x86_64: Process 5662 attached [pid 5659] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5661] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5659] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5662] set_robust_list(0x555594e736e0, 24 [pid 5661] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5660] <... clone resumed>, child_tidptr=0x555594e736d0) = 5662 [pid 5662] <... set_robust_list resumed>) = 0 [pid 5660] rt_sigprocmask(SIG_SETMASK, [] [pid 5662] rt_sigprocmask(SIG_SETMASK, [] [pid 5660] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5662] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5661] <... rt_sigprocmask resumed>, [], 8) = 0 ci-upstream-kasan-gce/strace-static-x86_64: Process 5663 attached [pid 5661] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5659] <... clone resumed>, child_tidptr=0x555594e736d0) = 5663 [pid 5663] set_robust_list(0x555594e736e0, 24 [pid 5662] setpgid(0, 0 [pid 5659] rt_sigprocmask(SIG_SETMASK, [] [pid 5663] <... set_robust_list resumed>) = 0 [pid 5662] <... setpgid resumed>) = 0 [pid 5659] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5663] rt_sigprocmask(SIG_SETMASK, [] [pid 5662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5659] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5663] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci-upstream-kasan-gce/strace-static-x86_64: Process 5664 attached [pid 5659] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5664] set_robust_list(0x555594e736e0, 24 [pid 5661] <... clone resumed>, child_tidptr=0x555594e736d0) = 5664 [pid 5664] <... set_robust_list resumed>) = 0 [pid 5661] rt_sigprocmask(SIG_SETMASK, [] [pid 5659] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5664] rt_sigprocmask(SIG_SETMASK, [] [pid 5663] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5661] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5664] <... rt_sigprocmask resumed>, 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 5663] <... rt_sigprocmask resumed>, [], 8) = 0 ci-upstream-kasan-gce/strace-static-x86_64: Process 5665 attached [pid 5662] <... openat resumed>) = 3 [pid 5663] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5659] <... clone resumed>, child_tidptr=0x555594e736d0) = 5665 [pid 5664] write(3, "1000", 4 [pid 5659] rt_sigprocmask(SIG_SETMASK, [] [pid 5664] <... write resumed>) = 4 [pid 5662] write(3, "1000", 4 [pid 5659] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5664] close(3 [pid 5659] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5664] <... close resumed>) = 0 [pid 5664] write(1, "executing program\n", 18 [pid 5659] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5664] <... write resumed>) = 18 executing program [pid 5659] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5665] set_robust_list(0x555594e736e0, 24 [pid 5664] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NOATIME|FASYNC [pid 5662] <... write resumed>) = 4 [pid 5665] <... set_robust_list resumed>) = 0 [pid 5662] close(3 [pid 5665] rt_sigprocmask(SIG_SETMASK, [] [pid 5664] <... openat resumed>) = 3 [pid 5662] <... close resumed>) = 0 ci-upstream-kasan-gce/strace-static-x86_64: Process 5666 attached [pid 5662] write(1, "executing program\n", 18) = 18 [pid 5665] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci-upstream-kasan-gce/strace-static-x86_64: Process 5667 attached executing program [pid 5666] set_robust_list(0x555594e736e0, 24 [pid 5665] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5664] fallocate(3, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 1536, 2251799813685763 [pid 5662] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NOATIME|FASYNC [pid 5659] <... clone resumed>, child_tidptr=0x555594e736d0) = 5666 [pid 5667] set_robust_list(0x555594e736e0, 24 [pid 5659] rt_sigprocmask(SIG_SETMASK, [] [pid 5667] <... set_robust_list resumed>) = 0 [pid 5666] <... set_robust_list resumed>) = 0 [pid 5665] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5659] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5667] rt_sigprocmask(SIG_SETMASK, [] [pid 5666] rt_sigprocmask(SIG_SETMASK, [] [pid 5665] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5663] <... clone resumed>, child_tidptr=0x555594e736d0) = 5667 [pid 5662] <... openat resumed>) = 3 [pid 5667] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5667] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5666] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5663] rt_sigprocmask(SIG_SETMASK, [] [pid 5662] fallocate(3, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 1536, 2251799813685763 [pid 5666] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5663] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5666] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5667] <... prctl resumed>) = 0 [pid 5666] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5667] setpgid(0, 0) = 0 [pid 5667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ci-upstream-kasan-gce/strace-static-x86_64: Process 5668 attached [pid 5668] set_robust_list(0x555594e736e0, 24ci-upstream-kasan-gce/strace-static-x86_64: Process 5669 attached ) = 0 [pid 5667] write(3, "1000", 4 [pid 5666] <... clone resumed>, child_tidptr=0x555594e736d0) = 5668 [pid 5669] set_robust_list(0x555594e736e0, 24 [pid 5668] rt_sigprocmask(SIG_SETMASK, [] [pid 5667] <... write resumed>) = 4 [pid 5669] <... set_robust_list resumed>) = 0 [pid 5666] rt_sigprocmask(SIG_SETMASK, [] [pid 5665] <... clone resumed>, child_tidptr=0x555594e736d0) = 5669 [pid 5669] rt_sigprocmask(SIG_SETMASK, [] [pid 5668] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5667] close(3 [pid 5666] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5665] rt_sigprocmask(SIG_SETMASK, [] [pid 5669] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5668] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5667] <... close resumed>) = 0 [pid 5665] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5669] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5668] <... prctl resumed>) = 0 executing program [pid 5667] write(1, "executing program\n", 18 [pid 5669] <... prctl resumed>) = 0 [pid 5668] setpgid(0, 0 [pid 5667] <... write resumed>) = 18 [pid 5669] setpgid(0, 0 [pid 5668] <... setpgid resumed>) = 0 [pid 5667] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NOATIME|FASYNC [pid 5669] <... setpgid resumed>) = 0 [pid 5668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5667] <... openat resumed>) = 3 [pid 5668] <... openat resumed>) = 3 [pid 5669] <... openat resumed>) = 3 [pid 5667] fallocate(3, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 1536, 2251799813685763 [pid 5669] write(3, "1000", 4 [pid 5668] write(3, "1000", 4 [pid 5669] <... write resumed>) = 4 [pid 5669] close(3 [pid 5668] <... write resumed>) = 4 [pid 5669] <... close resumed>) = 0 [pid 5668] close(3 [pid 5669] write(1, "executing program\n", 18) = 18 [pid 5669] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NOATIME|FASYNC) = 3 executing program [pid 5669] fallocate(3, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 1536, 2251799813685763 [pid 5668] <... close resumed>) = 0 executing program [pid 5668] write(1, "executing program\n", 18) = 18 [pid 5668] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NOATIME|FASYNC) = 3 [pid 5668] fallocate(3, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 1536, 2251799813685763 [pid 5660] kill(-5662, SIGKILL) = 0 [pid 5660] kill(5662, SIGKILL) = 0 [pid 5661] kill(-5664, SIGKILL) = 0 [pid 5661] kill(5664, SIGKILL) = 0 [pid 5663] kill(-5667, SIGKILL) = 0 [pid 5663] kill(5667, SIGKILL) = 0 [pid 5665] kill(-5669, SIGKILL [pid 5666] kill(-5668, SIGKILL [pid 5665] <... kill resumed>) = 0 [pid 5666] <... kill resumed>) = 0 [pid 5665] kill(5669, SIGKILL [pid 5666] kill(5668, SIGKILL) = 0 [pid 5665] <... kill resumed>) = 0 [pid 5663] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5661] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5660] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5663] <... openat resumed>) = 3 [pid 5661] <... openat resumed>) = 3 [pid 5660] <... openat resumed>) = 3 [pid 5660] fstat(3 [pid 5663] fstat(3 [pid 5660] <... fstat resumed>, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5663] <... fstat resumed>, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5661] fstat(3 [pid 5660] getdents64(3 [pid 5663] getdents64(3 [pid 5661] <... fstat resumed>, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5660] <... getdents64 resumed>, 0x555594e747a0 /* 2 entries */, 32768) = 48 [pid 5663] <... getdents64 resumed>, 0x555594e747a0 /* 2 entries */, 32768) = 48 [pid 5663] getdents64(3 [pid 5661] getdents64(3 [pid 5660] getdents64(3 [pid 5663] <... getdents64 resumed>, 0x555594e747a0 /* 0 entries */, 32768) = 0 [pid 5661] <... getdents64 resumed>, 0x555594e747a0 /* 2 entries */, 32768) = 48 [pid 5663] close(3 [pid 5660] <... getdents64 resumed>, 0x555594e747a0 /* 0 entries */, 32768) = 0 [pid 5663] <... close resumed>) = 0 [pid 5661] getdents64(3 [pid 5660] close(3 [pid 5661] <... getdents64 resumed>, 0x555594e747a0 /* 0 entries */, 32768) = 0 [pid 5660] <... close resumed>) = 0 [pid 5661] close(3) = 0 [pid 5665] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5665] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5665] getdents64(3, 0x555594e747a0 /* 2 entries */, 32768) = 48 [pid 5665] getdents64(3, 0x555594e747a0 /* 0 entries */, 32768) = 0 [pid 5665] close(3) = 0 [pid 5666] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5666] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5666] getdents64(3, 0x555594e747a0 /* 2 entries */, 32768) = 48 [pid 5666] getdents64(3, 0x555594e747a0 /* 0 entries */, 32768) = 0 [pid 5666] close(3) = 0 [pid 5664] <... fallocate resumed>) = ? [pid 5664] +++ killed by SIGKILL +++ [pid 5661] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5664, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=11971 /* 119.71 s */} --- [pid 5661] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5661] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce/strace-static-x86_64: Process 5694 attached [pid 5694] set_robust_list(0x555594e736e0, 24 [pid 5661] <... clone resumed>, child_tidptr=0x555594e736d0) = 5694 [pid 5694] <... set_robust_list resumed>) = 0 [pid 5661] rt_sigprocmask(SIG_SETMASK, [] [pid 5694] rt_sigprocmask(SIG_SETMASK, [] [pid 5661] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5694] <... rt_sigprocmask resumed>, 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/nullb0", O_RDWR|O_NOATIME|FASYNC) = 3 [pid 5694] fallocate(3, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 1536, 2251799813685763 [pid 5661] kill(-5694, SIGKILL) = 0 [pid 5661] kill(5694, SIGKILL) = 0 [pid 5661] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5661] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5661] getdents64(3, 0x555594e747a0 /* 2 entries */, 32768) = 48 [pid 5661] getdents64(3, 0x555594e747a0 /* 0 entries */, 32768) = 0 [pid 5661] close(3) = 0 [ 429.909663][ ** replaying previous printk message ** [ 429.909663][ T32] INFO: task syz-executor372:5667 blocked for more than 143 seconds. [ 429.909719][ T32] Not tainted syzkaller #0 [ 429.909729][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 429.909737][ T32] task:syz-executor372 state:D stack:28168 pid:5667 tgid:5667 ppid:5663 task_flags:0x400040 flags:0x00080002 [ 429.909803][ T32] Call Trace: [ 429.909818][ T32] [ 429.909835][ T32] __schedule+0x17dd/0x5820 [ 429.909941][ T32] ? __pfx___schedule+0x10/0x10 [ 429.909978][ T32] ? schedule+0x90/0x2b0 [ 429.910005][ T32] schedule+0x164/0x2b0 [ 429.910032][ T32] schedule_preempt_disabled+0x13/0x30 [ 429.910053][ T32] rwsem_down_write_slowpath+0x874/0x10d0 [ 429.910080][ T32] ? rwsem_down_write_slowpath+0x466/0x10d0 [ 429.910111][ T32] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 429.910129][ T32] ? aa_file_perm+0x4ed/0x15f0 [ 429.910155][ T32] ? aa_file_perm+0x18b/0x15f0 [ 429.910208][ T32] down_write+0x1b7/0x200 [ 429.910227][ T32] ? __pfx_down_write+0x10/0x10 [ 429.910254][ T32] blkdev_fallocate+0x260/0x530 [ 429.910278][ T32] ? apparmor_file_permission+0x1fb/0x2b0 [ 429.910300][ T32] ? fsnotify_file_area_perm+0x124/0x1e0 [ 429.910329][ T32] vfs_fallocate+0x65a/0x7e0 [ 429.910361][ T32] ? __pfx_vfs_fallocate+0x10/0x10 [ 429.910392][ T32] ? fdget+0x16b/0x250 [ 429.910419][ T32] __x64_sys_fallocate+0xbf/0x110 [ 429.910449][ T32] do_syscall_64+0x166/0x520 [ 429.910474][ T32] ? trace_irq_disable+0x3b/0x140 [ 429.910496][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 429.910514][ T32] ? clear_bhb_loop+0x70/0xc0 [ 429.910537][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 429.910555][ T32] RIP: 0033:0x7f0e1c1b5579 [ 429.910596][ T32] RSP: 002b:00007ffcdfb1b348 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 429.910615][ T32] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0e1c1b5579 [ 429.910627][ T32] RDX: 0000000000000600 RSI: 0000000000000011 RDI: 0000000000000003 [ 429.910638][ T32] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009 [ 429.910649][ T32] R10: 0008000000000203 R11: 0000000000000246 R12: 00007ffcdfb1b4c8 [ 429.910661][ T32] R13: 0000000000000002 R14: 00007ffcdfb1b370 R15: 00007ffcdfb1b360 [ 429.910693][ T32] [ 429.910701][ T32] INFO: task syz-executor372:5668 blocked for more than 143 seconds. [ 429.910712][ T32] Not tainted syzkaller #0 [ 429.910721][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 429.910729][ T32] task:syz-executor372 state:D stack:27624 pid:5668 tgid:5668 ppid:5666 task_flags:0x400040 flags:0x00080002 [ 429.910777][ T32] Call Trace: [ 429.910783][ T32] [ 429.910794][ T32] __schedule+0x17dd/0x5820 [ 429.910846][ T32] ? __pfx___schedule+0x10/0x10 [ 429.910886][ T32] ? schedule+0x90/0x2b0 [ 429.910912][ T32] schedule+0x164/0x2b0 [ 429.910939][ T32] schedule_preempt_disabled+0x13/0x30 [ 429.910960][ T32] rwsem_down_write_slowpath+0x874/0x10d0 [ 429.910984][ T32] ? rwsem_down_write_slowpath+0x466/0x10d0 [ 429.911010][ T32] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 429.911025][ T32] ? aa_file_perm+0x4ed/0x15f0 [ 429.913785][ T32] ? aa_file_perm+0x18b/0x15f0 [ 429.913849][ T32] down_write+0x1b7/0x200 [ 429.913868][ T32] ? __pfx_down_write+0x10/0x10 [ 429.913893][ T32] blkdev_fallocate+0x260/0x530 [ 429.913918][ T32] ? apparmor_file_permission+0x1fb/0x2b0 [ 429.913940][ T32] ? fsnotify_file_area_perm+0x124/0x1e0 [ 429.913969][ T32] vfs_fallocate+0x65a/0x7e0 [ 429.914001][ T32] ? __pfx_vfs_fallocate+0x10/0x10 [ 429.914032][ T32] ? fdget+0x16b/0x250 [ 429.914058][ T32] __x64_sys_fallocate+0xbf/0x110 [ 429.914087][ T32] do_syscall_64+0x166/0x520 [ 429.914112][ T32] ? trace_irq_disable+0x3b/0x140 [ 429.914134][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 429.914153][ T32] ? clear_bhb_loop+0x70/0xc0 [ 429.914174][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 429.914192][ T32] RIP: 0033:0x7f0e1c1b5579 [ 429.914209][ T32] RSP: 002b:00007ffcdfb1b348 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 429.914228][ T32] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0e1c1b5579 [ 429.914242][ T32] RDX: 0000000000000600 RSI: 0000000000000011 RDI: 0000000000000003 [ 429.914253][ T32] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009 [ 429.914264][ T32] R10: 0008000000000203 R11: 0000000000000246 R12: 00007ffcdfb1b4c8 [ 429.914276][ T32] R13: 0000000000000002 R14: 00007ffcdfb1b370 R15: 00007ffcdfb1b360 [ 429.914305][ T32] [ 429.914314][ T32] INFO: task syz-executor372:5669 blocked for more than 143 seconds. [ 429.914328][ T32] Not tainted syzkaller #0 [ 429.914337][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 429.914345][ T32] task:syz-executor372 state:D stack:27752 pid:5669 tgid:5669 ppid:5665 task_flags:0x400040 flags:0x00080002 [ 429.914402][ T32] Call Trace: [ 429.914408][ T32] [ 429.914420][ T32] __schedule+0x17dd/0x5820 [ 429.914475][ T32] ? __pfx___schedule+0x10/0x10 [ 429.914509][ T32] ? schedule+0x90/0x2b0 [ 429.914536][ T32] schedule+0x164/0x2b0 [ 429.914562][ T32] schedule_preempt_disabled+0x13/0x30 [ 429.914585][ T32] rwsem_down_write_slowpath+0x874/0x10d0 [ 429.914610][ T32] ? rwsem_down_write_slowpath+0x466/0x10d0 [ 429.914641][ T32] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 429.914659][ T32] ? aa_file_perm+0x4ed/0x15f0 [ 429.914684][ T32] ? aa_file_perm+0x18b/0x15f0 [ 429.916104][ T32] down_write+0x1b7/0x200 [ 429.916128][ T32] ? __pfx_down_write+0x10/0x10 [ 429.916154][ T32] blkdev_fallocate+0x260/0x530 [ 429.916260][ T32] ? apparmor_file_permission+0x1fb/0x2b0 [ 429.916283][ T32] ? fsnotify_file_area_perm+0x124/0x1e0 [ 429.916314][ T32] vfs_fallocate+0x65a/0x7e0 [ 429.916347][ T32] ? __pfx_vfs_fallocate+0x10/0x10 [ 429.916432][ T32] ? fdget+0x16b/0x250 [ 429.916458][ T32] __x64_sys_fallocate+0xbf/0x110 [ 429.916487][ T32] do_syscall_64+0x166/0x520 [ 429.916512][ T32] ? trace_irq_disable+0x3b/0x140 [ 429.916534][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 429.916552][ T32] ? clear_bhb_loop+0x70/0xc0 [ 429.916602][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 429.916622][ T32] RIP: 0033:0x7f0e1c1b5579 [ 429.916638][ T32] RSP: 002b:00007ffcdfb1b348 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 429.916657][ T32] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0e1c1b5579 [ 429.916670][ T32] RDX: 0000000000000600 RSI: 0000000000000011 RDI: 0000000000000003 [ 429.916681][ T32] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009 [ 429.916692][ T32] R10: 0008000000000203 R11: 0000000000000246 R12: 00007ffcdfb1b4c8 [ 429.916705][ T32] R13: 0000000000000002 R14: 00007ffcdfb1b370 R15: 00007ffcdfb1b360 [ 429.916736][ T32] [ 429.916764][ T32] [ 429.916764][ T32] Showing all locks held in the system: [ 429.916776][ T32] locks held by khungtaskd/32: 1, last CPU#1: [ 429.916790][ T32] #0: ffffffff8fd59d60 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 429.916854][ T32] locks held by kworker/0:1H/1992: 4, last CPU#0: [ 429.916866][ T32] #0: ffff88802168f948 ((wq_completion)kblockd){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 [ 429.916915][ T32] #1: ffffc900068cfc40 ((work_completion)(&(&hctx->run_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 [ 429.916963][ T32] #2: ffffffff8fd59d60 (rcu_read_lock){....}-{1:3}, at: blk_mq_run_work_fn+0x9b/0x2f0 [ 429.917007][ T32] #3: ffffffff8fd59d60 (rcu_read_lock){....}-{1:3}, at: unwind_next_frame+0x8f/0x2550 [ 429.917073][ T32] locks held by getty/5379: 2, on CPU#1: [ 429.917086][ T32] #0: ffff88803709b0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 429.917135][ T32] #1: ffffc9000323b2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45a/0x1360 [ 429.917180][ T32] locks held by syz-executor372/5662: 2, last CPU#1: [ 429.917193][ T32] #0: ffff88802817fae8 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 [ 429.917247][ T32] #1: ffff88802817fc80 (mapping.invalidate_lock){++++}-{4:4}, at: blkdev_fallocate+0x290/0x530 [ 429.917298][ T32] locks held by syz-executor372/5667: 1, on CPU#0: [ 429.917310][ T32] #0: ffff88802817fae8 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 [ 429.917360][ T32] locks held by syz-executor372/5668: 1, on CPU#1: [ 429.917372][ T32] #0: ffff88802817fae8 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 [ 429.917428][ T32] locks held by syz-executor372/5669: 1, on CPU#0: [ 429.917439][ T32] #0: ffff88802817fae8 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 [ 429.917490][ T32] locks held by syz-executor372/5694: 1, on CPU#0: [ 429.917502][ T32] #0: ffff88802817fae8 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 [ 429.917554][ T32] locks held by dhcpcd/5699: 1, last CPU#0: [ 429.917567][ T32] #0: ffff88802af18340 (&mm->mmap_lock){++++}-{4:4}, at: vms_complete_munmap_vmas+0x224/0xbe0 [ 429.917610][ T32] [ 429.917615][ T32] ============================================= [ 429.917615][ T32] [ 429.917638][ T32] NMI backtrace for cpu 1 [ 429.917656][ T32] CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 429.917674][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 429.917683][ T32] Call Trace: [ 429.917689][ T32] [ 429.917695][ T32] dump_stack_lvl+0xe8/0x150 [ 429.917722][ T32] nmi_cpu_backtrace+0x274/0x2d0 [ 429.917745][ T32] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 429.917767][ T32] nmi_trigger_cpumask_backtrace+0x17d/0x390 [ 429.917793][ T32] sys_info+0x135/0x170 [ 429.917811][ T32] watchdog+0xfd2/0x1030 [ 429.917841][ T32] ? watchdog+0x1c7/0x1030 [ 429.917869][ T32] kthread+0x38b/0x480 [ 429.917887][ T32] ? __pfx_watchdog+0x10/0x10 [ 429.917906][ T32] ? __pfx_kthread+0x10/0x10 [ 429.917925][ T32] ret_from_fork+0x514/0xb70 [ 429.917946][ T32] ? __pfx_ret_from_fork+0x10/0x10 [ 429.917964][ T32] ? __switch_to+0xc78/0x1410 [ 429.917994][ T32] ? __pfx_kthread+0x10/0x10 [ 429.918011][ T32] ret_from_fork_asm+0x1a/0x30 [ 429.918044][ T32] [ 429.918051][ T32] Sending NMI from CPU 1 to CPUs 0: [ 429.918084][ C0] NMI backtrace for cpu 0 [ 429.918096][ C0] CPU: 0 UID: 0 PID: 5699 Comm: dhcpcd Not tainted syzkaller #0 PREEMPT(full) [ 429.918117][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 429.918128][ C0] RIP: 0010:rcu_is_watching+0x5b/0xb0 [ 429.918155][ C0] Code: f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 8b 1b 8d 00 48 c7 c3 98 3d 9e 94 49 03 1e 48 89 d8 48 c1 e8 03 42 0f b6 04 38 <84> c0 75 35 8b 03 65 48 ff 0d d7 26 f0 12 74 11 83 e0 04 c1 e8 02 [ 429.918170][ C0] RSP: 0018:ffffc90003d56ac0 EFLAGS: 00000a02 [ 429.918186][ C0] RAX: 0000000000000000 RBX: ffff8880b8433d98 RCX: 8000000000000001 [ 429.918201][ C0] RDX: 00000000ec6000bf RSI: ffffffff8c6e0960 RDI: ffffffff8c6e0920 [ 429.918215][ C0] RBP: 0000000000000000 R08: ffffffff81b17b1d R09: 0000000000000000 [ 429.918227][ C0] R10: ffffc90003d56bb8 R11: ffffffff81b30cd0 R12: ffff888031c5be80 [ 429.918242][ C0] R13: 0000000000000100 R14: ffffffff8e7667d0 R15: dffffc0000000000 [ 429.918256][ C0] FS: 00007f8f3f3df780(0000) GS:ffff888123a50000(0000) knlGS:0000000000000000 [ 429.918272][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 429.918285][ C0] CR2: 00007f8f3f5dfdd0 CR3: 000000007995c000 CR4: 00000000003526f0 [ 429.918302][ C0] Call Trace: [ 429.918308][ C0] [ 429.918315][ C0] ? is_module_text_address+0x1d/0x1e0 [ 429.918337][ C0] is_module_text_address+0x147/0x1e0 [ 429.918360][ C0] kernel_text_address+0x94/0xe0 [ 429.918381][ C0] __kernel_text_address+0xd/0x30 [ 429.918401][ C0] unwind_get_return_address+0x4d/0x90 [ 429.918426][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 429.918447][ C0] arch_stack_walk+0xfb/0x150 [ 429.918476][ C0] stack_trace_save+0xa9/0x100 [ 429.918496][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 429.918516][ C0] ? __schedule+0x17f3/0x5820 [ 429.918544][ C0] kasan_save_track+0x3e/0x80 [ 429.918570][ C0] ? kasan_save_track+0x3e/0x80 [ 429.918596][ C0] ? __kasan_slab_alloc+0x6c/0x80 [ 429.918611][ C0] ? kmem_cache_alloc_from_sheaf_noprof+0x9b/0x1b0 [ 429.918638][ C0] ? dst_setup+0x7e8/0x1160 [ 429.918657][ C0] ? mas_wr_store_entry+0x1d0e/0x7cf0 [ 429.918683][ C0] ? mas_store_gfp+0x4ca/0x830 [ 429.918707][ C0] ? do_vmi_align_munmap+0x303/0x4b0 [ 429.918724][ C0] ? do_vmi_munmap+0x252/0x2d0 [ 429.918739][ C0] ? __vm_munmap+0x241/0x3e0 [ 429.918757][ C0] ? __x64_sys_munmap+0x60/0x70 [ 429.918778][ C0] ? do_syscall_64+0x166/0x520 [ 429.918803][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 429.918847][ C0] __kasan_slab_alloc+0x6c/0x80 [ 429.918864][ C0] kmem_cache_alloc_from_sheaf_noprof+0x9b/0x1b0 [ 429.918901][ C0] dst_setup+0x7e8/0x1160 [ 429.918928][ C0] mas_wr_store_entry+0x1d0e/0x7cf0 [ 429.918962][ C0] ? __lock_acquire+0x747/0x2de0 [ 429.918989][ C0] ? __pfx_mas_wr_store_entry+0x10/0x10 [ 429.919038][ C0] ? is_bpf_text_address+0x292/0x2b0 [ 429.919065][ C0] ? is_bpf_text_address+0x26/0x2b0 [ 429.919091][ C0] ? kmem_cache_alloc_noprof+0x151/0x600 [ 429.919116][ C0] ? kernel_text_address+0xa5/0xe0 [ 429.919137][ C0] ? __kernel_text_address+0xd/0x30 [ 429.919156][ C0] ? unwind_get_return_address+0x4d/0x90 [ 429.919180][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 429.919197][ C0] ? arch_stack_walk+0xfb/0x150 [ 429.919221][ C0] ? mas_alloc_nodes+0x291/0x350 [ 429.919244][ C0] ? stack_trace_save+0xa9/0x100 [ 429.919264][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 429.919283][ C0] ? mas_alloc_nodes+0x291/0x350 [ 429.919307][ C0] ? kmem_cache_alloc_noprof+0xf1/0x600 [ 429.919331][ C0] ? stack_depot_save_flags+0x33/0x7f0 [ 429.919363][ C0] ? __lock_acquire+0x747/0x2de0 [ 429.919383][ C0] ? mas_store_gfp+0x368/0x830 [ 429.919412][ C0] ? __lock_acquire+0x747/0x2de0 [ 429.919435][ C0] ? look_up_lock_class+0x57/0x110 [ 429.919464][ C0] ? do_raw_spin_lock+0x12b/0x2f0 [ 429.919497][ C0] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 429.919523][ C0] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 429.919547][ C0] ? __slab_try_return_freelist+0x132/0x1c0 [ 429.919575][ C0] ? __refill_objects_node+0x4bb/0x5e0 [ 429.919608][ C0] ? refill_objects+0x56/0x350 [ 429.919627][ C0] ? lock_acquire+0x115/0x350 [ 429.919649][ C0] ? kmem_cache_prefill_sheaf+0x7e/0x4c0 [ 429.919675][ C0] ? __prefill_sheaf_pfmemalloc+0x1c7/0x220 [ 429.919699][ C0] ? kmem_cache_prefill_sheaf+0x7e/0x4c0 [ 429.919723][ C0] ? kmem_cache_prefill_sheaf+0x7e/0x4c0 [ 429.919748][ C0] ? kmem_cache_prefill_sheaf+0x2a5/0x4c0 [ 429.919777][ C0] ? mas_nomem+0x4b/0x210 [ 429.919800][ C0] ? mas_alloc_nodes+0x1f0/0x350 [ 429.919828][ C0] mas_store_gfp+0x4ca/0x830 [ 429.919858][ C0] ? __pfx_mas_store_gfp+0x10/0x10 [ 429.919899][ C0] ? __mas_set_range+0x11a/0x3a0 [ 429.919921][ C0] do_vmi_align_munmap+0x303/0x4b0 [ 429.919949][ C0] ? __pfx_do_vmi_align_munmap+0x10/0x10 [ 429.919990][ C0] ? mas_walk+0x37e/0x490 [ 429.920015][ C0] ? mas_find+0x642/0xcb0 [ 429.920044][ C0] do_vmi_munmap+0x252/0x2d0 [ 429.920064][ C0] __vm_munmap+0x241/0x3e0 [ 429.920085][ C0] ? __pfx___vm_munmap+0x10/0x10 [ 429.920111][ C0] ? do_user_addr_fault+0xd3f/0x1480 [ 429.920137][ C0] __x64_sys_munmap+0x60/0x70 [ 429.920159][ C0] do_syscall_64+0x166/0x520 [ 429.920189][ C0] ? trace_irq_disable+0x3b/0x140 [ 429.920212][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 429.920231][ C0] ? clear_bhb_loop+0x70/0xc0 [ 429.920252][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 429.920270][ C0] RIP: 0033:0x7f8f3f5ee2e7 [ 429.920286][ C0] Code: 00 00 00 b8 0a 00 00 00 0f 05 48 3d 01 f0 ff ff 73 01 c3 48 8d 0d c9 3f 01 00 f7 d8 89 01 48 83 c8 ff c3 b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8d 0d a9 3f 01 00 f7 d8 89 01 48 83 [ 429.920300][ C0] RSP: 002b:00007ffdddd0a1f8 EFLAGS: 00000202 ORIG_RAX: 000000000000000b [ 429.920318][ C0] RAX: ffffffffffffffda RBX: 000055c012852960 RCX: 00007f8f3f5ee2e7 [ 429.920332][ C0] RDX: 0000000000000001 RSI: 0000000000029910 RDI: 00007f8f3f3b0000 [ 429.920344][ C0] RBP: 00007ffdddd0a300 R08: 00000000000004f0 R09: 0000000000000002 [ 429.920355][ C0] R10: 00007ffdddd0a130 R11: 0000000000000202 R12: 00007ffdddd0a238 [ 429.920368][ C0] R13: 00007f8f3f601000 R14: 000055c012852960 R15: 0000000000000000 [ 429.920510][ C0] [ 429.920541][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.457 msecs [ 429.922833][ T32] Kernel panic - not syncing: hung_task: blocked tasks [ 431.777208][ T32] CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 431.787636][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 431.801099][ T32] Call Trace: [ 431.804562][ T32] [ 431.808213][ T32] vpanic+0x56d/0xa60 [ 431.812922][ T32] ? __pfx_vpanic+0x10/0x10 [ 431.817824][ T32] ? irqentry_exit+0x2a0/0x9b0 [ 431.822721][ T32] panic+0xc5/0xd0 [ 431.826736][ T32] ? __pfx_panic+0x10/0x10 [ 431.832400][ T32] watchdog+0x102b/0x1030 [ 431.838249][ T32] ? watchdog+0x1c7/0x1030 [ 431.843134][ T32] kthread+0x38b/0x480 [ 431.847313][ T32] ? __pfx_watchdog+0x10/0x10 [ 431.853674][ T32] ? __pfx_kthread+0x10/0x10 [ 431.858734][ T32] ret_from_fork+0x514/0xb70 [ 431.863995][ T32] ? __pfx_ret_from_fork+0x10/0x10 [ 431.871937][ T32] ? __switch_to+0xc78/0x1410 [ 431.878289][ T32] ? __pfx_kthread+0x10/0x10 [ 431.883097][ T32] ret_from_fork_asm+0x1a/0x30 [ 431.888852][ T32] [ 431.893545][ T32] Kernel Offset: disabled [ 431.898865][ T32] Rebooting in 86400 seconds..