./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2098817554 <...> Warning: Permanently added '10.128.1.210' (ED25519) to the list of known hosts. execve("./syz-executor2098817554", ["./syz-executor2098817554"], 0x7ffe5293e6c0 /* 10 vars */) = 0 brk(NULL) = 0x55555bee5000 brk(0x55555bee5d00) = 0x55555bee5d00 arch_prctl(ARCH_SET_FS, 0x55555bee5380) = 0 set_tid_address(0x55555bee5650) = 5095 set_robust_list(0x55555bee5660, 24) = 0 rseq(0x55555bee5ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2098817554", 4096) = 28 getrandom("\xa7\x2d\x33\x58\x03\x7f\x5f\x56", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555bee5d00 brk(0x55555bf06d00) = 0x55555bf06d00 brk(0x55555bf07000) = 0x55555bf07000 mprotect(0x7f7b57186000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5096 attached , child_tidptr=0x55555bee5650) = 5096 [pid 5096] set_robust_list(0x55555bee5660, 24) = 0 [pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5096] setpgid(0, 0) = 0 [pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5096] write(3, "1000", 4) = 4 [pid 5096] close(3) = 0 [pid 5096] write(1, "executing program\n", 18executing program ) = 18 [pid 5096] memfd_create("syzkaller", 0) = 3 [pid 5096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5096] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5096] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5096] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5096] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5096] close(3) = 0 [pid 5096] close(4) = 0 [pid 5096] mkdir("./bus", 0777) = 0 [ 64.700344][ T5096] loop0: detected capacity change from 0 to 32768 [pid 5096] mount("/dev/loop0", "./bus", "jfs", MS_I_VERSION, "") = 0 [pid 5096] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5096] chdir("./bus") = 0 [pid 5096] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5096] mkdir("./bus", 000) = -1 EIO (Input/output error) [pid 5096] fspick(AT_FDCWD, ".", 0) = 4 [pid 5096] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5096] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5096] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5096] exit_group(0) = ? [pid 5096] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5096, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=18 /* 0.18 s */} --- [ 64.773278][ T5096] ERROR: (device loop0): diWrite: ixpxd invalid [ 64.773278][ T5096] [ 64.782675][ T5096] ERROR: (device loop0): remounting filesystem as read-only [ 64.790346][ T5096] ERROR: (device loop0): txCommit: [ 64.790346][ T5096] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5098 attached [pid 5098] set_robust_list(0x55555bee5660, 24 [pid 5095] <... clone resumed>, child_tidptr=0x55555bee5650) = 5098 [pid 5098] <... set_robust_list resumed>) = 0 [pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5098] setpgid(0, 0) = 0 [pid 5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5098] write(3, "1000", 4) = 4 [pid 5098] close(3) = 0 executing program [pid 5098] write(1, "executing program\n", 18) = 18 [pid 5098] memfd_create("syzkaller", 0) = 3 [pid 5098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [ 64.946274][ T5098] BUG: Bad page state in process syz-executor209 pfn:7dee9 [ 64.954103][ T5098] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x2d pfn:0x7dee9 [ 64.963158][ T5098] flags: 0xfff0000000400c(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff) [ 64.972854][ T5098] raw: 00fff0000000400c dead000000000100 dead000000000122 0000000000000000 [ 64.981618][ T5098] raw: 000000000000002d ffff88807a2722e8 00000000ffffffff 0000000000000000 [ 64.990254][ T5098] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 64.997560][ T5098] page_owner tracks the page as allocated [ 65.003607][ T5098] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x40c40(GFP_NOFS|__GFP_COMP), pid 5096, tgid 5096 (syz-executor209), ts 64771618076, free_ts 58121187864 [ 65.020814][ T5098] post_alloc_hook+0x1f3/0x230 [ 65.025631][ T5098] get_page_from_freelist+0x2e4c/0x2f10 [ 65.031944][ T5098] __alloc_pages_noprof+0x256/0x6c0 [ 65.038144][ T5098] alloc_pages_mpol_noprof+0x3e8/0x680 [ 65.043704][ T5098] folio_alloc_noprof+0x128/0x180 [ 65.048772][ T5098] filemap_alloc_folio_noprof+0xdf/0x500 [ 65.054411][ T5098] __filemap_get_folio+0x44e/0xc10 [ 65.059688][ T5098] pagecache_get_page+0x2c/0x200 [ 65.064649][ T5098] __get_metapage+0x2b4/0x1050 [ 65.069497][ T5098] diNewExt+0xacf/0x37e0 [ 65.073747][ T5098] diAllocAG+0xbec/0x1e50 [ 65.078078][ T5098] diAlloc+0x1d3/0x1760 [ 65.082304][ T5098] ialloc+0x8f/0x900 [ 65.086223][ T5098] jfs_mkdir+0x1c5/0xba0 [ 65.090517][ T5098] vfs_mkdir+0x2f9/0x4f0 [ 65.094768][ T5098] do_mkdirat+0x264/0x3a0 [ 65.099264][ T5098] page last free pid 5084 tgid 5084 stack trace: [ 65.105596][ T5098] free_unref_page+0xd19/0xea0 [ 65.110414][ T5098] tlb_finish_mmu+0x11f/0x200 [ 65.115205][ T5098] exit_mmap+0x44f/0xc80 [ 65.119524][ T5098] __mmput+0x115/0x380 [ 65.123639][ T5098] exit_mm+0x220/0x310 [ 65.127704][ T5098] do_exit+0x9b2/0x27f0 [ 65.132009][ T5098] do_group_exit+0x207/0x2c0 [ 65.136868][ T5098] __x64_sys_exit_group+0x3f/0x40 [ 65.142181][ T5098] x64_sys_call+0x26c3/0x26d0 [ 65.147461][ T5098] do_syscall_64+0xf3/0x230 [ 65.152202][ T5098] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 65.158510][ T5098] Modules linked in: [ 65.162668][ T5098] CPU: 1 PID: 5098 Comm: syz-executor209 Not tainted 6.10.0-syzkaller-11185-g2c9b3512402e #0 [ 65.172827][ T5098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 65.182969][ T5098] Call Trace: [ 65.186248][ T5098] [ 65.189180][ T5098] dump_stack_lvl+0x241/0x360 [ 65.193868][ T5098] ? __pfx_dump_stack_lvl+0x10/0x10 [ 65.199061][ T5098] ? __pfx_print_modules+0x10/0x10 [ 65.204557][ T5098] bad_page+0x14c/0x170 [ 65.208720][ T5098] free_unref_folios+0x1121/0x19c0 [ 65.213840][ T5098] folios_put_refs+0x93a/0xa60 [ 65.218610][ T5098] ? __pfx_folios_put_refs+0x10/0x10 [ 65.223891][ T5098] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 65.229784][ T5098] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 65.236104][ T5098] ? rcu_is_watching+0x15/0xb0 [ 65.241042][ T5098] ? lru_add_fn+0xbb6/0x1a20 [ 65.245993][ T5098] folio_batch_move_lru+0x5d7/0x690 [ 65.251990][ T5098] ? __pfx_lru_add_fn+0x10/0x10 [ 65.257289][ T5098] ? __pfx_folio_batch_move_lru+0x10/0x10 [ 65.263030][ T5098] ? folio_batch_add_and_move+0x98/0x2b0 [ 65.268661][ T5098] ? __pfx_lru_add_fn+0x10/0x10 [ 65.273509][ T5098] folio_add_lru+0x39c/0x9e0 [ 65.278097][ T5098] ? folio_add_lru+0x27b/0x9e0 [ 65.282866][ T5098] shmem_alloc_and_add_folio+0xa49/0xdb0 [ 65.288503][ T5098] ? __pfx_shmem_alloc_and_add_folio+0x10/0x10 [ 65.294663][ T5098] shmem_get_folio_gfp+0x82d/0x1f50 [ 65.299871][ T5098] ? __pfx_shmem_get_folio_gfp+0x10/0x10 [ 65.305494][ T5098] ? __pfx_reacquire_held_locks+0x10/0x10 [ 65.311234][ T5098] ? fault_in_readable+0x1a6/0x2b0 [ 65.316361][ T5098] shmem_write_begin+0x170/0x4d0 [ 65.321326][ T5098] ? __pfx_shmem_write_begin+0x10/0x10 [ 65.326811][ T5098] ? fault_in_iov_iter_readable+0x229/0x280 [ 65.332723][ T5098] generic_perform_write+0x399/0x840 [ 65.338460][ T5098] ? __pfx_generic_perform_write+0x10/0x10 [ 65.344389][ T5098] ? preempt_count_add+0x93/0x190 [ 65.349605][ T5098] ? mnt_put_write_access_file+0xbb/0x100 [ 65.355326][ T5098] ? file_update_time+0x3b8/0x430 [ 65.360379][ T5098] shmem_file_write_iter+0xfc/0x120 [ 65.365575][ T5098] vfs_write+0xa72/0xc90 [ 65.369818][ T5098] ? __pfx_shmem_file_write_iter+0x10/0x10 [ 65.375709][ T5098] ? __pfx_vfs_write+0x10/0x10 [ 65.380477][ T5098] ? lockdep_hardirqs_on+0x99/0x150 [ 65.385684][ T5098] ksys_write+0x1a0/0x2c0 [ 65.390014][ T5098] ? __pfx_ksys_write+0x10/0x10 [ 65.394888][ T5098] ? exc_page_fault+0x590/0x8c0 [ 65.399769][ T5098] do_syscall_64+0xf3/0x230 [ 65.404282][ T5098] ? clear_bhb_loop+0x35/0x90 [ 65.408963][ T5098] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 65.414859][ T5098] RIP: 0033:0x7f7b5710bee0 [ 65.419273][ T5098] Code: 40 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d c1 f1 07 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 [ 65.440206][ T5098] RSP: 002b:00007fffc1930558 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 65.448819][ T5098] RAX: ffffffffffffffda RBX: 00007fffc1930570 RCX: 00007f7b5710bee0 [ 65.457109][ T5098] RDX: 0000000001000000 RSI: 00007f7b4ec00000 RDI: 0000000000000003 [ 65.465391][ T5098] RBP: 00007f7b4ec00000 R08: 0000000000005dd3 R09: 0000000000005dcf [ 65.473585][ T5098] R10: 0000000000000774 R11: 0000000000000202 R12: 00007fffc1930710 [ 65.481563][ T5098] R13: 00007fffc19305b0 R14: 0000000000000003 R15: 0000000001000000 [ 65.489547][ T5098] [ 65.492817][ T5098] Disabling lock debugging due to kernel taint [ 65.499023][ T5098] BUG: Bad page state in process syz-executor209 pfn:7deea [ 65.506426][ T5098] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x2e pfn:0x7deea [ 65.515426][ T5098] flags: 0xfff0000000400c(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff) [ 65.525041][ T5098] raw: 00fff0000000400c dead000000000100 dead000000000122 0000000000000000 [ 65.534267][ T5098] raw: 000000000000002e ffff88807a2723e0 00000000ffffffff 0000000000000000 [ 65.544378][ T5098] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 65.552063][ T5098] page_owner tracks the page as allocated [ 65.557890][ T5098] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x40c40(GFP_NOFS|__GFP_COMP), pid 5096, tgid 5096 (syz-executor209), ts 64771645974, free_ts 55604629154 [ 65.575967][ T5098] post_alloc_hook+0x1f3/0x230 [ 65.581043][ T5098] get_page_from_freelist+0x2e4c/0x2f10 [ 65.586581][ T5098] __alloc_pages_noprof+0x256/0x6c0 [ 65.591814][ T5098] alloc_pages_mpol_noprof+0x3e8/0x680 [ 65.597377][ T5098] folio_alloc_noprof+0x128/0x180 [ 65.602555][ T5098] filemap_alloc_folio_noprof+0xdf/0x500 [ 65.608226][ T5098] __filemap_get_folio+0x44e/0xc10 [ 65.613415][ T5098] pagecache_get_page+0x2c/0x200 [ 65.618395][ T5098] __get_metapage+0x2b4/0x1050 [ 65.623241][ T5098] diNewExt+0xacf/0x37e0 [ 65.627506][ T5098] diAllocAG+0xbec/0x1e50 [ 65.631904][ T5098] diAlloc+0x1d3/0x1760 [ 65.636073][ T5098] ialloc+0x8f/0x900 [ 65.640305][ T5098] jfs_mkdir+0x1c5/0xba0 [ 65.644572][ T5098] vfs_mkdir+0x2f9/0x4f0 [ 65.649859][ T5098] do_mkdirat+0x264/0x3a0 [ 65.654284][ T5098] page last free pid 5083 tgid 5083 stack trace: [ 65.660639][ T5098] free_unref_page+0xd19/0xea0 [ 65.665445][ T5098] __folio_put+0x3b9/0x620 [ 65.669903][ T5098] pipe_read+0x6f2/0x13e0 [ 65.674239][ T5098] vfs_read+0x9bd/0xbc0 [ 65.678383][ T5098] ksys_read+0x1a0/0x2c0 [ 65.682755][ T5098] do_syscall_64+0xf3/0x230 [ 65.687248][ T5098] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 65.693191][ T5098] Modules linked in: [ 65.697091][ T5098] CPU: 1 PID: 5098 Comm: syz-executor209 Tainted: G B 6.10.0-syzkaller-11185-g2c9b3512402e #0 [ 65.708700][ T5098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 65.718739][ T5098] Call Trace: [ 65.722087][ T5098] [ 65.725017][ T5098] dump_stack_lvl+0x241/0x360 [ 65.729680][ T5098] ? __pfx_dump_stack_lvl+0x10/0x10 [ 65.734999][ T5098] ? __pfx_print_modules+0x10/0x10 [ 65.740186][ T5098] bad_page+0x14c/0x170 [ 65.744419][ T5098] free_unref_folios+0x1121/0x19c0 [ 65.749552][ T5098] folios_put_refs+0x93a/0xa60 [ 65.754346][ T5098] ? __pfx_folios_put_refs+0x10/0x10 [ 65.759645][ T5098] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 65.765650][ T5098] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 65.772192][ T5098] ? rcu_is_watching+0x15/0xb0 [ 65.776979][ T5098] ? lru_add_fn+0xbb6/0x1a20 [ 65.781579][ T5098] folio_batch_move_lru+0x5d7/0x690 [ 65.786782][ T5098] ? __pfx_lru_add_fn+0x10/0x10 [ 65.791629][ T5098] ? __pfx_folio_batch_move_lru+0x10/0x10 [ 65.797339][ T5098] ? folio_batch_add_and_move+0x98/0x2b0 [ 65.802960][ T5098] ? __pfx_lru_add_fn+0x10/0x10 [ 65.807805][ T5098] folio_add_lru+0x39c/0x9e0 [ 65.812384][ T5098] ? folio_add_lru+0x27b/0x9e0 [ 65.817222][ T5098] shmem_alloc_and_add_folio+0xa49/0xdb0 [ 65.822859][ T5098] ? __pfx_shmem_alloc_and_add_folio+0x10/0x10 [ 65.829010][ T5098] shmem_get_folio_gfp+0x82d/0x1f50 [ 65.834508][ T5098] ? __pfx_shmem_get_folio_gfp+0x10/0x10 [ 65.840231][ T5098] ? __pfx_reacquire_held_locks+0x10/0x10 [ 65.846142][ T5098] ? fault_in_readable+0x1a6/0x2b0 [ 65.851451][ T5098] shmem_write_begin+0x170/0x4d0 [ 65.856709][ T5098] ? __pfx_shmem_write_begin+0x10/0x10 [ 65.862359][ T5098] ? fault_in_iov_iter_readable+0x229/0x280 [ 65.868247][ T5098] generic_perform_write+0x399/0x840 [ 65.873536][ T5098] ? __pfx_generic_perform_write+0x10/0x10 [ 65.879333][ T5098] ? preempt_count_add+0x93/0x190 [ 65.884345][ T5098] ? mnt_put_write_access_file+0xbb/0x100 [ 65.890052][ T5098] ? file_update_time+0x3b8/0x430 [ 65.895067][ T5098] shmem_file_write_iter+0xfc/0x120 [ 65.900278][ T5098] vfs_write+0xa72/0xc90 [ 65.904612][ T5098] ? __pfx_shmem_file_write_iter+0x10/0x10 [ 65.910413][ T5098] ? __pfx_vfs_write+0x10/0x10 [ 65.915167][ T5098] ? lockdep_hardirqs_on+0x99/0x150 [ 65.920365][ T5098] ksys_write+0x1a0/0x2c0 [ 65.924692][ T5098] ? __pfx_ksys_write+0x10/0x10 [ 65.929622][ T5098] ? exc_page_fault+0x590/0x8c0 [ 65.934489][ T5098] do_syscall_64+0xf3/0x230 [ 65.939067][ T5098] ? clear_bhb_loop+0x35/0x90 [ 65.943734][ T5098] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 65.949988][ T5098] RIP: 0033:0x7f7b5710bee0 [ 65.954598][ T5098] Code: 40 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d c1 f1 07 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 [ 65.974381][ T5098] RSP: 002b:00007fffc1930558 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 65.982795][ T5098] RAX: ffffffffffffffda RBX: 00007fffc1930570 RCX: 00007f7b5710bee0 [ 65.990759][ T5098] RDX: 0000000001000000 RSI: 00007f7b4ec00000 RDI: 0000000000000003 [ 65.998722][ T5098] RBP: 00007f7b4ec00000 R08: 0000000000005dd3 R09: 0000000000005dcf [ 66.006680][ T5098] R10: 0000000000000774 R11: 0000000000000202 R12: 00007fffc1930710 [ 66.014645][ T5098] R13: 00007fffc19305b0 R14: 0000000000000003 R15: 0000000001000000 [ 66.022611][ T5098] [ 66.025765][ T5098] BUG: Bad page state in process syz-executor209 pfn:7deeb [ 66.033099][ T5098] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x2f pfn:0x7deeb [ 66.042002][ T5098] flags: 0xfff0000000400c(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff) [ 66.051687][ T5098] raw: 00fff0000000400c dead000000000100 dead000000000122 0000000000000000 [ 66.060320][ T5098] raw: 000000000000002f ffff88807a2724d8 00000000ffffffff 0000000000000000 [ 66.068925][ T5098] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 66.076194][ T5098] page_owner tracks the page as allocated [ 66.081943][ T5098] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x40c40(GFP_NOFS|__GFP_COMP), pid 5096, tgid 5096 (syz-executor209), ts 64771671710, free_ts 55604641708 [ 66.098995][ T5098] post_alloc_hook+0x1f3/0x230 [ 66.103755][ T5098] get_page_from_freelist+0x2e4c/0x2f10 [ 66.109322][ T5098] __alloc_pages_noprof+0x256/0x6c0 [ 66.114528][ T5098] alloc_pages_mpol_noprof+0x3e8/0x680 [ 66.120070][ T5098] folio_alloc_noprof+0x128/0x180 [ 66.125289][ T5098] filemap_alloc_folio_noprof+0xdf/0x500 [ 66.131403][ T5098] __filemap_get_folio+0x44e/0xc10 [ 66.136624][ T5098] pagecache_get_page+0x2c/0x200 [ 66.141643][ T5098] __get_metapage+0x2b4/0x1050 [ 66.146433][ T5098] diNewExt+0xacf/0x37e0 [ 66.150945][ T5098] diAllocAG+0xbec/0x1e50 [ 66.155307][ T5098] diAlloc+0x1d3/0x1760 [ 66.160236][ T5098] ialloc+0x8f/0x900 [ 66.165264][ T5098] jfs_mkdir+0x1c5/0xba0 [ 66.169622][ T5098] vfs_mkdir+0x2f9/0x4f0 [ 66.173915][ T5098] do_mkdirat+0x264/0x3a0 [ 66.178264][ T5098] page last free pid 5083 tgid 5083 stack trace: [ 66.184648][ T5098] free_unref_page+0xd19/0xea0 [ 66.189451][ T5098] __folio_put+0x3b9/0x620 [ 66.193855][ T5098] pipe_read+0x6f2/0x13e0 [ 66.198169][ T5098] vfs_read+0x9bd/0xbc0 [ 66.202358][ T5098] ksys_read+0x1a0/0x2c0 [ 66.206611][ T5098] do_syscall_64+0xf3/0x230 [ 66.211138][ T5098] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 66.217036][ T5098] Modules linked in: [ 66.220975][ T5098] CPU: 1 PID: 5098 Comm: syz-executor209 Tainted: G B 6.10.0-syzkaller-11185-g2c9b3512402e #0 [ 66.232697][ T5098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 66.243182][ T5098] Call Trace: [ 66.246574][ T5098] [ 66.249852][ T5098] dump_stack_lvl+0x241/0x360 [ 66.254682][ T5098] ? __pfx_dump_stack_lvl+0x10/0x10 [ 66.259909][ T5098] ? __pfx_print_modules+0x10/0x10 [ 66.265126][ T5098] bad_page+0x14c/0x170 [ 66.269486][ T5098] free_unref_folios+0x1121/0x19c0 [ 66.274625][ T5098] folios_put_refs+0x93a/0xa60 [ 66.279408][ T5098] ? __pfx_folios_put_refs+0x10/0x10 [ 66.284719][ T5098] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 66.290619][ T5098] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 66.297026][ T5098] ? rcu_is_watching+0x15/0xb0 [ 66.301785][ T5098] ? lru_add_fn+0xbb6/0x1a20 [ 66.306367][ T5098] folio_batch_move_lru+0x5d7/0x690 [ 66.311565][ T5098] ? __pfx_lru_add_fn+0x10/0x10 [ 66.316430][ T5098] ? __pfx_folio_batch_move_lru+0x10/0x10 [ 66.322159][ T5098] ? folio_batch_add_and_move+0x98/0x2b0 [ 66.327821][ T5098] ? __pfx_lru_add_fn+0x10/0x10 [ 66.332694][ T5098] folio_add_lru+0x39c/0x9e0 [ 66.337317][ T5098] ? folio_add_lru+0x27b/0x9e0 [ 66.342649][ T5098] shmem_alloc_and_add_folio+0xa49/0xdb0 [ 66.348370][ T5098] ? __pfx_shmem_alloc_and_add_folio+0x10/0x10 [ 66.354548][ T5098] shmem_get_folio_gfp+0x82d/0x1f50 [ 66.360009][ T5098] ? __pfx_shmem_get_folio_gfp+0x10/0x10 [ 66.365679][ T5098] ? __pfx_reacquire_held_locks+0x10/0x10 [ 66.371393][ T5098] ? fault_in_readable+0x1a6/0x2b0 [ 66.376500][ T5098] shmem_write_begin+0x170/0x4d0 [ 66.381446][ T5098] ? __pfx_shmem_write_begin+0x10/0x10 [ 66.387260][ T5098] ? fault_in_iov_iter_readable+0x229/0x280 [ 66.394656][ T5098] generic_perform_write+0x399/0x840 [ 66.399964][ T5098] ? __pfx_generic_perform_write+0x10/0x10 [ 66.405777][ T5098] ? preempt_count_add+0x93/0x190 [ 66.410803][ T5098] ? mnt_put_write_access_file+0xbb/0x100 [ 66.416514][ T5098] ? file_update_time+0x3b8/0x430 [ 66.421554][ T5098] shmem_file_write_iter+0xfc/0x120 [ 66.426754][ T5098] vfs_write+0xa72/0xc90 [ 66.431102][ T5098] ? __pfx_shmem_file_write_iter+0x10/0x10 [ 66.436898][ T5098] ? __pfx_vfs_write+0x10/0x10 [ 66.441865][ T5098] ? lockdep_hardirqs_on+0x99/0x150 [ 66.447372][ T5098] ksys_write+0x1a0/0x2c0 [ 66.451949][ T5098] ? __pfx_ksys_write+0x10/0x10 [ 66.456907][ T5098] ? exc_page_fault+0x590/0x8c0 [ 66.461790][ T5098] do_syscall_64+0xf3/0x230 [ 66.466324][ T5098] ? clear_bhb_loop+0x35/0x90 [ 66.471015][ T5098] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 66.476922][ T5098] RIP: 0033:0x7f7b5710bee0 [ 66.481376][ T5098] Code: 40 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d c1 f1 07 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 [ 66.500992][ T5098] RSP: 002b:00007fffc1930558 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 66.509410][ T5098] RAX: ffffffffffffffda RBX: 00007fffc1930570 RCX: 00007f7b5710bee0 [ 66.517368][ T5098] RDX: 0000000001000000 RSI: 00007f7b4ec00000 RDI: 0000000000000003 [ 66.525331][ T5098] RBP: 00007f7b4ec00000 R08: 0000000000005dd3 R09: 0000000000005dcf [ 66.533392][ T5098] R10: 0000000000000774 R11: 0000000000000202 R12: 00007fffc1930710 [ 66.541411][ T5098] R13: 00007fffc19305b0 R14: 0000000000000003 R15: 0000000001000000 [ 66.549501][ T5098] [pid 5098] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5098] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5098] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5098] close(3) = 0 [pid 5098] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5098] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5098] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5098] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5098] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5098] exit_group(0) = ? [pid 5098] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5098, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=72 /* 0.72 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5099 attached , child_tidptr=0x55555bee5650) = 5099 [pid 5099] set_robust_list(0x55555bee5660, 24) = 0 [pid 5099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5099] setpgid(0, 0) = 0 [pid 5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5099] write(3, "1000", 4) = 4 [pid 5099] close(3) = 0 [pid 5099] write(1, "executing program\n", 18executing program ) = 18 [pid 5099] memfd_create("syzkaller", 0) = 3 [pid 5099] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5099] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5099] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5099] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5099] close(3) = 0 [pid 5099] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5099] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5099] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5099] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5099] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5099] exit_group(0) = ? [pid 5099] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5099, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bee5650) = 5100 ./strace-static-x86_64: Process 5100 attached [pid 5100] set_robust_list(0x55555bee5660, 24) = 0 [pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5100] setpgid(0, 0) = 0 [pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5100] write(3, "1000", 4) = 4 [pid 5100] close(3executing program ) = 0 [pid 5100] write(1, "executing program\n", 18) = 18 [pid 5100] memfd_create("syzkaller", 0) = 3 [pid 5100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5100] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5100] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5100] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5100] close(3) = 0 [pid 5100] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5100] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5100] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5100] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5100] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5100] exit_group(0) = ? [pid 5100] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5100, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5101 attached , child_tidptr=0x55555bee5650) = 5101 [pid 5101] set_robust_list(0x55555bee5660, 24) = 0 [pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5101] setpgid(0, 0) = 0 [pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5101] write(3, "1000", 4) = 4 [pid 5101] close(3) = 0 executing program [pid 5101] write(1, "executing program\n", 18) = 18 [pid 5101] memfd_create("syzkaller", 0) = 3 [pid 5101] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5101] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5101] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5101] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5101] close(3) = 0 [pid 5101] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5101] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5101] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5101] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5101] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5101] exit_group(0) = ? [pid 5101] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5101, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5102 attached , child_tidptr=0x55555bee5650) = 5102 [pid 5102] set_robust_list(0x55555bee5660, 24) = 0 [pid 5102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5102] setpgid(0, 0) = 0 [pid 5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5102] write(3, "1000", 4) = 4 [pid 5102] close(3) = 0 [pid 5102] write(1, "executing program\n", 18executing program ) = 18 [pid 5102] memfd_create("syzkaller", 0) = 3 [pid 5102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5102] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5102] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5102] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5102] close(3) = 0 [pid 5102] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5102] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5102] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5102] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5102] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5102] exit_group(0) = ? [pid 5102] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5102, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5103 attached , child_tidptr=0x55555bee5650) = 5103 [pid 5103] set_robust_list(0x55555bee5660, 24) = 0 [pid 5103] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5103] setpgid(0, 0) = 0 [pid 5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5103] write(3, "1000", 4) = 4 [pid 5103] close(3) = 0 [pid 5103] write(1, "executing program\n", 18executing program ) = 18 [pid 5103] memfd_create("syzkaller", 0) = 3 [pid 5103] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5103] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5103] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5103] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5103] close(3) = 0 [pid 5103] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5103] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5103] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5103] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5103] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5103] exit_group(0) = ? [pid 5103] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5103, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5104 attached , child_tidptr=0x55555bee5650) = 5104 [pid 5104] set_robust_list(0x55555bee5660, 24) = 0 [pid 5104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5104] setpgid(0, 0) = 0 [pid 5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5104] write(3, "1000", 4) = 4 [pid 5104] close(3) = 0 executing program [pid 5104] write(1, "executing program\n", 18) = 18 [pid 5104] memfd_create("syzkaller", 0) = 3 [pid 5104] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5104] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5104] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5104] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5104] close(3) = 0 [pid 5104] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5104] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5104] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5104] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5104] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5104] exit_group(0) = ? [pid 5104] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5104, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bee5650) = 5105 ./strace-static-x86_64: Process 5105 attached [pid 5105] set_robust_list(0x55555bee5660, 24) = 0 [pid 5105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5105] setpgid(0, 0) = 0 [pid 5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5105] write(3, "1000", 4) = 4 [pid 5105] close(3) = 0 [pid 5105] write(1, "executing program\n", 18executing program ) = 18 [pid 5105] memfd_create("syzkaller", 0) = 3 [pid 5105] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5105] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5105] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5105] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5105] close(3) = 0 [pid 5105] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5105] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5105] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5105] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5105] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5105] exit_group(0) = ? [pid 5105] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5105, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5106 attached [pid 5106] set_robust_list(0x55555bee5660, 24 [pid 5095] <... clone resumed>, child_tidptr=0x55555bee5650) = 5106 [pid 5106] <... set_robust_list resumed>) = 0 [pid 5106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5106] setpgid(0, 0) = 0 [pid 5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5106] write(3, "1000", 4) = 4 [pid 5106] close(3) = 0 [pid 5106] write(1, "executing program\n", 18executing program ) = 18 [pid 5106] memfd_create("syzkaller", 0) = 3 [pid 5106] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5106] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5106] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5106] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5106] close(3) = 0 [pid 5106] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5106] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5106] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5106] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5106] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5106] exit_group(0) = ? [pid 5106] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5106, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5107 attached , child_tidptr=0x55555bee5650) = 5107 [pid 5107] set_robust_list(0x55555bee5660, 24) = 0 [pid 5107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5107] setpgid(0, 0) = 0 [pid 5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5107] write(3, "1000", 4) = 4 [pid 5107] close(3) = 0 [pid 5107] write(1, "executing program\n", 18executing program ) = 18 [pid 5107] memfd_create("syzkaller", 0) = 3 [pid 5107] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5107] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5107] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5107] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5107] close(3) = 0 [pid 5107] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5107] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5107] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5107] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5107] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5107] exit_group(0) = ? [pid 5107] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5107, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5108 attached , child_tidptr=0x55555bee5650) = 5108 [pid 5108] set_robust_list(0x55555bee5660, 24) = 0 [pid 5108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5108] setpgid(0, 0) = 0 [pid 5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5108] write(3, "1000", 4) = 4 [pid 5108] close(3) = 0 [pid 5108] write(1, "executing program\n", 18executing program ) = 18 [pid 5108] memfd_create("syzkaller", 0) = 3 [pid 5108] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5108] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5108] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5108] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5108] close(3) = 0 [pid 5108] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5108] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5108] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5108] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5108] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5108] exit_group(0) = ? [pid 5108] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5108, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bee5650) = 5109 ./strace-static-x86_64: Process 5109 attached [pid 5109] set_robust_list(0x55555bee5660, 24) = 0 [pid 5109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5109] setpgid(0, 0) = 0 [pid 5109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5109] write(3, "1000", 4) = 4 [pid 5109] close(3executing program ) = 0 [pid 5109] write(1, "executing program\n", 18) = 18 [pid 5109] memfd_create("syzkaller", 0) = 3 [pid 5109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5109] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5109] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5109] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5109] close(3) = 0 [pid 5109] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5109] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5109] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5109] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5109] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5109] exit_group(0) = ? [pid 5109] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5109, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bee5650) = 5110 ./strace-static-x86_64: Process 5110 attached [pid 5110] set_robust_list(0x55555bee5660, 24) = 0 [pid 5110] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5110] setpgid(0, 0) = 0 [pid 5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5110] write(3, "1000", 4) = 4 [pid 5110] close(3) = 0 [pid 5110] write(1, "executing program\n", 18executing program ) = 18 [pid 5110] memfd_create("syzkaller", 0) = 3 [pid 5110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5110] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5110] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5110] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5110] close(3) = 0 [pid 5110] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5110] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5110] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5110] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5110] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5110] exit_group(0) = ? [pid 5110] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5110, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5111 attached , child_tidptr=0x55555bee5650) = 5111 [pid 5111] set_robust_list(0x55555bee5660, 24) = 0 [pid 5111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5111] setpgid(0, 0) = 0 [pid 5111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5111] write(3, "1000", 4) = 4 [pid 5111] close(3) = 0 [pid 5111] write(1, "executing program\n", 18executing program ) = 18 [pid 5111] memfd_create("syzkaller", 0) = 3 [pid 5111] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5111] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5111] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5111] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5111] close(3) = 0 [pid 5111] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5111] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5111] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5111] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5111] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5111] exit_group(0) = ? [pid 5111] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5111, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5112 attached , child_tidptr=0x55555bee5650) = 5112 [pid 5112] set_robust_list(0x55555bee5660, 24) = 0 [pid 5112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5112] setpgid(0, 0) = 0 [pid 5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5112] write(3, "1000", 4) = 4 [pid 5112] close(3) = 0 [pid 5112] write(1, "executing program\n", 18executing program ) = 18 [pid 5112] memfd_create("syzkaller", 0) = 3 [pid 5112] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5112] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5112] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5112] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5112] close(3) = 0 [pid 5112] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5112] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5112] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5112] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5112] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5112] exit_group(0) = ? [pid 5112] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5112, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bee5650) = 5113 ./strace-static-x86_64: Process 5113 attached [pid 5113] set_robust_list(0x55555bee5660, 24) = 0 [pid 5113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5113] setpgid(0, 0) = 0 [pid 5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5113] write(3, "1000", 4) = 4 [pid 5113] close(3) = 0 [pid 5113] write(1, "executing program\n", 18executing program ) = 18 [pid 5113] memfd_create("syzkaller", 0) = 3 [pid 5113] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5113] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5113] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5113] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5113] close(3) = 0 [pid 5113] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5113] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5113] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5113] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5113] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5113] exit_group(0) = ? [pid 5113] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5113, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bee5650) = 5114 ./strace-static-x86_64: Process 5114 attached [pid 5114] set_robust_list(0x55555bee5660, 24) = 0 [pid 5114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5114] setpgid(0, 0) = 0 [pid 5114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5114] write(3, "1000", 4) = 4 [pid 5114] close(3) = 0 executing program [pid 5114] write(1, "executing program\n", 18) = 18 [pid 5114] memfd_create("syzkaller", 0) = 3 [pid 5114] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5114] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5114] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5114] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5114] close(3) = 0 [pid 5114] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5114] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5114] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5114] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5114] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5114] exit_group(0) = ? [pid 5114] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5114, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5115 attached , child_tidptr=0x55555bee5650) = 5115 [pid 5115] set_robust_list(0x55555bee5660, 24) = 0 [pid 5115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5115] setpgid(0, 0) = 0 [pid 5115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5115] write(3, "1000", 4) = 4 [pid 5115] close(3executing program ) = 0 [pid 5115] write(1, "executing program\n", 18) = 18 [pid 5115] memfd_create("syzkaller", 0) = 3 [pid 5115] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5115] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5115] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5115] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5115] close(3) = 0 [pid 5115] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5115] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5115] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5115] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5115] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5115] exit_group(0) = ? [pid 5115] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5115, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5116 attached , child_tidptr=0x55555bee5650) = 5116 [pid 5116] set_robust_list(0x55555bee5660, 24) = 0 [pid 5116] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5116] setpgid(0, 0) = 0 [pid 5116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5116] write(3, "1000", 4) = 4 [pid 5116] close(3) = 0 executing program [pid 5116] write(1, "executing program\n", 18) = 18 [pid 5116] memfd_create("syzkaller", 0) = 3 [pid 5116] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5116] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5116] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5116] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5116] close(3) = 0 [pid 5116] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5116] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5116] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5116] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5116] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5116] exit_group(0) = ? [pid 5116] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5116, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5117 attached , child_tidptr=0x55555bee5650) = 5117 [pid 5117] set_robust_list(0x55555bee5660, 24) = 0 [pid 5117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5117] setpgid(0, 0) = 0 [pid 5117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5117] write(3, "1000", 4) = 4 [pid 5117] close(3) = 0 [pid 5117] write(1, "executing program\n", 18executing program ) = 18 [pid 5117] memfd_create("syzkaller", 0) = 3 [pid 5117] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5117] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5117] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5117] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5117] close(3) = 0 [pid 5117] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5117] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5117] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5117] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5117] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5117] exit_group(0) = ? [pid 5117] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5117, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5118 attached , child_tidptr=0x55555bee5650) = 5118 [pid 5118] set_robust_list(0x55555bee5660, 24) = 0 [pid 5118] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5118] setpgid(0, 0) = 0 [pid 5118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5118] write(3, "1000", 4) = 4 [pid 5118] close(3) = 0 [pid 5118] write(1, "executing program\n", 18executing program ) = 18 [pid 5118] memfd_create("syzkaller", 0) = 3 [pid 5118] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5118] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5118] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5118] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5118] close(3) = 0 [pid 5118] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5118] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5118] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5118] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5118] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5118] exit_group(0) = ? [pid 5118] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5118, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=8 /* 0.08 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bee5650) = 5119 ./strace-static-x86_64: Process 5119 attached [pid 5119] set_robust_list(0x55555bee5660, 24) = 0 [pid 5119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5119] setpgid(0, 0) = 0 [pid 5119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5119] write(3, "1000", 4) = 4 [pid 5119] close(3) = 0 [pid 5119] write(1, "executing program\n", 18executing program ) = 18 [pid 5119] memfd_create("syzkaller", 0) = 3 [pid 5119] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5119] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5119] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5119] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5119] close(3) = 0 [pid 5119] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5119] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5119] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5119] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5119] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5119] exit_group(0) = ? [pid 5119] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5119, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bee5650) = 5120 ./strace-static-x86_64: Process 5120 attached [pid 5120] set_robust_list(0x55555bee5660, 24) = 0 [pid 5120] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5120] setpgid(0, 0) = 0 [pid 5120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5120] write(3, "1000", 4) = 4 [pid 5120] close(3) = 0 [pid 5120] write(1, "executing program\n", 18executing program ) = 18 [pid 5120] memfd_create("syzkaller", 0) = 3 [pid 5120] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5120] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5120] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5120] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5120] close(3) = 0 [pid 5120] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5120] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5120] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5120] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5120] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5120] exit_group(0) = ? [pid 5120] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5120, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bee5650) = 5121 ./strace-static-x86_64: Process 5121 attached [pid 5121] set_robust_list(0x55555bee5660, 24) = 0 [pid 5121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5121] setpgid(0, 0) = 0 [pid 5121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5121] write(3, "1000", 4) = 4 [pid 5121] close(3executing program ) = 0 [pid 5121] write(1, "executing program\n", 18) = 18 [pid 5121] memfd_create("syzkaller", 0) = 3 [pid 5121] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5121] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5121] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5121] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5121] close(3) = 0 [pid 5121] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5121] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5121] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5121] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5121] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5121] exit_group(0) = ? [pid 5121] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5121, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5122 attached , child_tidptr=0x55555bee5650) = 5122 [pid 5122] set_robust_list(0x55555bee5660, 24) = 0 [pid 5122] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5122] setpgid(0, 0) = 0 [pid 5122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5122] write(3, "1000", 4) = 4 [pid 5122] close(3) = 0 [pid 5122] write(1, "executing program\n", 18executing program ) = 18 [pid 5122] memfd_create("syzkaller", 0) = 3 [pid 5122] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5122] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5122] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5122] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5122] close(3) = 0 [pid 5122] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5122] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5122] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5122] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5122] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5122] exit_group(0) = ? [pid 5122] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5122, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=9 /* 0.09 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bee5650) = 5123 ./strace-static-x86_64: Process 5123 attached [pid 5123] set_robust_list(0x55555bee5660, 24) = 0 [pid 5123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5123] setpgid(0, 0) = 0 [pid 5123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5123] write(3, "1000", 4) = 4 [pid 5123] close(3) = 0 executing program [pid 5123] write(1, "executing program\n", 18) = 18 [pid 5123] memfd_create("syzkaller", 0) = 3 [pid 5123] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5123] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5123] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5123] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5123] close(3) = 0 [pid 5123] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5123] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5123] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5123] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5123] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5123] exit_group(0) = ? [pid 5123] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5123, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5124 attached , child_tidptr=0x55555bee5650) = 5124 [pid 5124] set_robust_list(0x55555bee5660, 24) = 0 [pid 5124] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5124] setpgid(0, 0) = 0 [pid 5124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5124] write(3, "1000", 4) = 4 [pid 5124] close(3) = 0 executing program [pid 5124] write(1, "executing program\n", 18) = 18 [pid 5124] memfd_create("syzkaller", 0) = 3 [pid 5124] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5124] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5124] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5124] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5124] close(3) = 0 [pid 5124] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5124] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5124] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5124] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5124] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5124] exit_group(0) = ? [pid 5124] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5124, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5125 attached , child_tidptr=0x55555bee5650) = 5125 [pid 5125] set_robust_list(0x55555bee5660, 24) = 0 [pid 5125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5125] setpgid(0, 0) = 0 [pid 5125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5125] write(3, "1000", 4) = 4 [pid 5125] close(3) = 0 [pid 5125] write(1, "executing program\n", 18executing program ) = 18 [pid 5125] memfd_create("syzkaller", 0) = 3 [pid 5125] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5125] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5125] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5125] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5125] close(3) = 0 [pid 5125] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5125] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5125] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5125] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5125] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5125] exit_group(0) = ? [pid 5125] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5125, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bee5650) = 5126 ./strace-static-x86_64: Process 5126 attached [pid 5126] set_robust_list(0x55555bee5660, 24) = 0 [pid 5126] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5126] setpgid(0, 0) = 0 [pid 5126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5126] write(3, "1000", 4) = 4 [pid 5126] close(3) = 0 executing program [pid 5126] write(1, "executing program\n", 18) = 18 [pid 5126] memfd_create("syzkaller", 0) = 3 [pid 5126] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5126] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5126] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5126] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5126] close(3) = 0 [pid 5126] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5126] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5126] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5126] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5126] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5126] exit_group(0) = ? [pid 5126] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5126, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bee5650) = 5127 ./strace-static-x86_64: Process 5127 attached [pid 5127] set_robust_list(0x55555bee5660, 24) = 0 [pid 5127] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5127] setpgid(0, 0) = 0 [pid 5127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5127] write(3, "1000", 4) = 4 [pid 5127] close(3) = 0 executing program [pid 5127] write(1, "executing program\n", 18) = 18 [pid 5127] memfd_create("syzkaller", 0) = 3 [pid 5127] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5127] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5127] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5127] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5127] close(3) = 0 [pid 5127] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5127] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5127] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5127] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5127] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5127] exit_group(0) = ? [pid 5127] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5127, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5128 attached , child_tidptr=0x55555bee5650) = 5128 [pid 5128] set_robust_list(0x55555bee5660, 24) = 0 [pid 5128] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5128] setpgid(0, 0) = 0 [pid 5128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5128] write(3, "1000", 4) = 4 [pid 5128] close(3) = 0 [pid 5128] write(1, "executing program\n", 18executing program ) = 18 [pid 5128] memfd_create("syzkaller", 0) = 3 [pid 5128] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5128] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5128] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5128] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5128] close(3) = 0 [pid 5128] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5128] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5128] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5128] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5128] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5128] exit_group(0) = ? [pid 5128] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5128, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bee5650) = 5129 ./strace-static-x86_64: Process 5129 attached [pid 5129] set_robust_list(0x55555bee5660, 24) = 0 [pid 5129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5129] setpgid(0, 0) = 0 [pid 5129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5129] write(3, "1000", 4) = 4 [pid 5129] close(3executing program ) = 0 [pid 5129] write(1, "executing program\n", 18) = 18 [pid 5129] memfd_create("syzkaller", 0) = 3 [pid 5129] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5129] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5129] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5129] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5129] close(3) = 0 [pid 5129] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5129] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5129] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5129] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5129] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5129] exit_group(0) = ? [pid 5129] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5129, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bee5650) = 5130 ./strace-static-x86_64: Process 5130 attached [pid 5130] set_robust_list(0x55555bee5660, 24) = 0 [pid 5130] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5130] setpgid(0, 0) = 0 [pid 5130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5130] write(3, "1000", 4) = 4 [pid 5130] close(3) = 0 [pid 5130] write(1, "executing program\n", 18executing program ) = 18 [pid 5130] memfd_create("syzkaller", 0) = 3 [pid 5130] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5130] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5130] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5130] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5130] close(3) = 0 [pid 5130] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5130] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5130] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5130] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5130] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5130] exit_group(0) = ? [pid 5130] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5130, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bee5650) = 5131 ./strace-static-x86_64: Process 5131 attached [pid 5131] set_robust_list(0x55555bee5660, 24) = 0 [pid 5131] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5131] setpgid(0, 0) = 0 [pid 5131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5131] write(3, "1000", 4) = 4 [pid 5131] close(3) = 0 [pid 5131] write(1, "executing program\n", 18executing program ) = 18 [pid 5131] memfd_create("syzkaller", 0) = 3 [pid 5131] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5131] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5131] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5131] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5131] close(3) = 0 [pid 5131] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5131] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5131] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5131] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5131] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5131] exit_group(0) = ? [pid 5131] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5131, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5132 attached [pid 5132] set_robust_list(0x55555bee5660, 24 [pid 5095] <... clone resumed>, child_tidptr=0x55555bee5650) = 5132 [pid 5132] <... set_robust_list resumed>) = 0 [pid 5132] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5132] setpgid(0, 0) = 0 [pid 5132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5132] write(3, "1000", 4) = 4 [pid 5132] close(3) = 0 [pid 5132] write(1, "executing program\n", 18executing program ) = 18 [pid 5132] memfd_create("syzkaller", 0) = 3 [pid 5132] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000 [pid 5132] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5132] munmap(0x7f7b4ec00000, 138412032) = 0 [pid 5132] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5132] close(3) = 0 [pid 5132] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5132] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5132] fcntl(-1, F_SETOWN, -1) = -1 EBADF (Bad file descriptor) [pid 5132] truncate(NULL, 0) = -1 EFAULT (Bad address) [pid 5132] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5132] exit_group(0) = ? [pid 5132] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5132, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5133 attached , child_tidptr=0x55555bee5650) = 5133 [pid 5133] set_robust_list(0x55555bee5660, 24) = 0 [pid 5133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5133] setpgid(0, 0) = 0 [pid 5133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5133] write(3, "1000", 4) = 4 [pid 5133] close(3) = 0 [pid 5133] write(1, "executing program\n", 18executing program ) = 18 [pid 5133] memfd_create("syzkaller", 0) = 3 [pid 5133] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b4ec00000