./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3898732149 <...> Warning: Permanently added '10.128.0.10' (ED25519) to the list of known hosts. execve("./syz-executor3898732149", ["./syz-executor3898732149"], 0x7ffec5705210 /* 10 vars */) = 0 brk(NULL) = 0x5555572dd000 brk(0x5555572ddd00) = 0x5555572ddd00 arch_prctl(ARCH_SET_FS, 0x5555572dd380) = 0 set_tid_address(0x5555572dd650) = 5014 set_robust_list(0x5555572dd660, 24) = 0 rseq(0x5555572ddca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3898732149", 4096) = 28 getrandom("\xc0\x11\x5f\x9d\xb7\x6c\x44\x8a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555572ddd00 brk(0x5555572fed00) = 0x5555572fed00 brk(0x5555572ff000) = 0x5555572ff000 mprotect(0x7efd77d57000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5015 attached , child_tidptr=0x5555572dd650) = 5015 [pid 5015] set_robust_list(0x5555572dd660, 24) = 0 [pid 5015] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5015] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5015] setsid() = 1 [pid 5015] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5015] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5015] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5015] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5015] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5015] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5015] unshare(CLONE_NEWNS) = 0 [pid 5015] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5015] unshare(CLONE_NEWIPC) = 0 [pid 5015] unshare(CLONE_NEWCGROUP) = 0 [pid 5015] unshare(CLONE_NEWUTS) = 0 [pid 5015] unshare(CLONE_SYSVSEM) = 0 [pid 5015] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5015] write(3, "16777216", 8) = 8 [pid 5015] close(3) = 0 [pid 5015] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5015] write(3, "536870912", 9) = 9 [pid 5015] close(3) = 0 [pid 5015] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5015] write(3, "1024", 4) = 4 [pid 5015] close(3) = 0 [pid 5015] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5015] write(3, "8192", 4) = 4 [pid 5015] close(3) = 0 [pid 5015] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5015] write(3, "1024", 4) = 4 [pid 5015] close(3) = 0 [pid 5015] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5015] write(3, "1024", 4) = 4 [pid 5015] close(3) = 0 [pid 5015] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5015] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5015] close(3) = 0 [pid 5015] getpid() = 1 [pid 5015] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 0f fe ff ff e8 e3 22 38 fe e8 7e f1 ac fd e9 be fe ff ff [ 62.116311][ T5018] RSP: 0018:ffffc90003b3f5e0 EFLAGS: 00010293 [ 62.122408][ T5018] RAX: ffffffff83539541 RBX: 0000000000000004 RCX: ffff88807d8d9dc0 [ 62.130440][ T5018] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000 [ 62.138519][ T5018] RBP: ffffc90003b3f6d0 R08: ffffffff83539344 R09: ffffffff834ec33b [ 62.146572][ T5018] R10: 0000000000000002 R11: ffff88807d8d9dc0 R12: dffffc0000000000 [ 62.154578][ T5018] R13: ffff88807afb4000 R14: ffff88807830a5e8 R15: 0000000000000060 [ 62.162635][ T5018] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 62.171626][ T5018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.178289][ T5018] CR2: 00007fc700f95ed8 CR3: 0000000024eb3000 CR4: 00000000003506f0 [ 62.186414][ T5018] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.194388][ T5018] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.202436][ T5018] Call Trace: [ 62.205760][ T5018] [ 62.208695][ T5018] ? __warn+0x162/0x4a0 [ 62.212857][ T5018] ? nilfs_sufile_set_segment_usage+0x501/0x5f0 [ 62.219181][ T5018] ? report_bug+0x2b3/0x500 [ 62.223715][ T5018] ? nilfs_sufile_set_segment_usage+0x501/0x5f0 [ 62.230141][ T5018] ? handle_bug+0x3d/0x70 [ 62.234509][ T5018] ? exc_invalid_op+0x1a/0x50 [ 62.239301][ T5018] ? asm_exc_invalid_op+0x1a/0x20 [ 62.244469][ T5018] ? nilfs_mdt_read_block+0xfb/0x430 [ 62.249859][ T5018] ? nilfs_sufile_set_segment_usage+0x304/0x5f0 [ 62.256170][ T5018] ? nilfs_sufile_set_segment_usage+0x501/0x5f0 [ 62.262428][ T5018] ? nilfs_sufile_set_segment_usage+0x501/0x5f0 [ 62.268742][ T5018] ? nilfs_sufile_mark_dirty+0x510/0x510 [ 62.274421][ T5018] ? __asan_memcpy+0x40/0x70 [ 62.279107][ T5018] nilfs_segctor_do_construct+0x4993/0x6e30 [ 62.285170][ T5018] ? nilfs_transaction_unlock+0x210/0x210 [ 62.290980][ T5018] ? nilfs_segctor_confirm+0x24c/0x2d0 [ 62.296528][ T5018] ? do_raw_spin_lock+0x14d/0x3a0 [ 62.301574][ T5018] ? __lock_acquire+0x7f70/0x7f70 [ 62.306689][ T5018] ? do_raw_spin_unlock+0x13b/0x8b0 [ 62.311936][ T5018] ? _raw_spin_unlock+0x28/0x40 [ 62.316875][ T5018] ? nilfs_segctor_confirm+0x24c/0x2d0 [ 62.322372][ T5018] nilfs_segctor_construct+0x145/0x8c0 [ 62.327900][ T5018] ? trace_nilfs2_transaction_transition+0x9a/0x1f0 [ 62.334529][ T5018] nilfs_segctor_thread+0x53a/0x1140 [ 62.339934][ T5018] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 62.346049][ T5018] ? nilfs_construction_timeout+0x40/0x40 [ 62.351926][ T5018] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 62.358023][ T5018] ? _raw_spin_unlock+0x40/0x40 [ 62.362924][ T5018] ? wake_bit_function+0x220/0x220 [ 62.368149][ T5018] ? _raw_spin_unlock+0x40/0x40 [ 62.373032][ T5018] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 62.379106][ T5018] ? __kthread_parkme+0x164/0x1c0 [ 62.384167][ T5018] kthread+0x2b8/0x350 [ 62.388326][ T5018] ? nilfs_construction_timeout+0x40/0x40 [ 62.394081][ T5018] ? kthread_blkcg+0xd0/0xd0 [ 62.398755][ T5018] ret_from_fork+0x2e/0x60 [ 62.403200][ T5018] ? kthread_blkcg+0xd0/0xd0 [ 62.407863][ T5018] ret_from_fork_asm+0x11/0x20 [ 62.412671][ T5018] [ 62.415764][ T5018] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 62.423059][ T5018] CPU: 0 PID: 5018 Comm: segctord Not tainted 6.5.0-rc7-syzkaller-00104-g4f9e7fabf864 #0 [ 62.432884][ T5018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 62.442945][ T5018] Call Trace: [ 62.446227][ T5018] [ 62.449160][ T5018] dump_stack_lvl+0x1e7/0x2d0 [ 62.453848][ T5018] ? nf_tcp_handle_invalid+0x650/0x650 [ 62.459320][ T5018] ? panic+0x770/0x770 [ 62.463404][ T5018] ? vscnprintf+0x5d/0x80 [ 62.467747][ T5018] panic+0x30f/0x770 [ 62.471671][ T5018] ? __warn+0x171/0x4a0 [ 62.475843][ T5018] ? __memcpy_flushcache+0x2b0/0x2b0 [ 62.481156][ T5018] ? ret_from_fork_asm+0x11/0x20 [ 62.486115][ T5018] __warn+0x314/0x4a0 [ 62.490112][ T5018] ? nilfs_sufile_set_segment_usage+0x501/0x5f0 [ 62.496374][ T5018] report_bug+0x2b3/0x500 [ 62.500715][ T5018] ? nilfs_sufile_set_segment_usage+0x501/0x5f0 [ 62.506979][ T5018] handle_bug+0x3d/0x70 [ 62.511145][ T5018] exc_invalid_op+0x1a/0x50 [ 62.515673][ T5018] asm_exc_invalid_op+0x1a/0x20 [ 62.520657][ T5018] RIP: 0010:nilfs_sufile_set_segment_usage+0x501/0x5f0 [ 62.527522][ T5018] Code: 04 25 28 00 00 00 48 3b 84 24 a0 00 00 00 0f 85 f3 00 00 00 89 d8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 ef 22 38 fe <0f> 0b e9 0f fe ff ff e8 e3 22 38 fe e8 7e f1 ac fd e9 be fe ff ff [ 62.547337][ T5018] RSP: 0018:ffffc90003b3f5e0 EFLAGS: 00010293 [ 62.553446][ T5018] RAX: ffffffff83539541 RBX: 0000000000000004 RCX: ffff88807d8d9dc0 [ 62.561428][ T5018] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000 [ 62.569429][ T5018] RBP: ffffc90003b3f6d0 R08: ffffffff83539344 R09: ffffffff834ec33b [ 62.577435][ T5018] R10: 0000000000000002 R11: ffff88807d8d9dc0 R12: dffffc0000000000 [ 62.585420][ T5018] R13: ffff88807afb4000 R14: ffff88807830a5e8 R15: 0000000000000060 [ 62.593406][ T5018] ? nilfs_mdt_read_block+0xfb/0x430 [ 62.598710][ T5018] ? nilfs_sufile_set_segment_usage+0x304/0x5f0 [ 62.604964][ T5018] ? nilfs_sufile_set_segment_usage+0x501/0x5f0 [ 62.611257][ T5018] ? nilfs_sufile_mark_dirty+0x510/0x510 [ 62.616909][ T5018] ? __asan_memcpy+0x40/0x70 [ 62.621633][ T5018] nilfs_segctor_do_construct+0x4993/0x6e30 [ 62.627604][ T5018] ? nilfs_transaction_unlock+0x210/0x210 [ 62.633359][ T5018] ? nilfs_segctor_confirm+0x24c/0x2d0 [ 62.638852][ T5018] ? do_raw_spin_lock+0x14d/0x3a0 [ 62.643893][ T5018] ? __lock_acquire+0x7f70/0x7f70 [ 62.648950][ T5018] ? do_raw_spin_unlock+0x13b/0x8b0 [ 62.654176][ T5018] ? _raw_spin_unlock+0x28/0x40 [ 62.659055][ T5018] ? nilfs_segctor_confirm+0x24c/0x2d0 [ 62.664531][ T5018] nilfs_segctor_construct+0x145/0x8c0 [ 62.670005][ T5018] ? trace_nilfs2_transaction_transition+0x9a/0x1f0 [ 62.676611][ T5018] nilfs_segctor_thread+0x53a/0x1140 [ 62.681921][ T5018] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 62.687923][ T5018] ? nilfs_construction_timeout+0x40/0x40 [ 62.693657][ T5018] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 62.699565][ T5018] ? _raw_spin_unlock+0x40/0x40 [ 62.704428][ T5018] ? wake_bit_function+0x220/0x220 [ 62.709554][ T5018] ? _raw_spin_unlock+0x40/0x40 [ 62.714416][ T5018] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 62.720416][ T5018] ? __kthread_parkme+0x164/0x1c0 [ 62.725458][ T5018] kthread+0x2b8/0x350 [ 62.729540][ T5018] ? nilfs_construction_timeout+0x40/0x40 [ 62.735268][ T5018] ? kthread_blkcg+0xd0/0xd0 [ 62.739875][ T5018] ret_from_fork+0x2e/0x60 [ 62.744300][ T5018] ? kthread_blkcg+0xd0/0xd0 [ 62.748904][ T5018] ret_from_fork_asm+0x11/0x20 [ 62.753691][ T5018] [ 62.756983][ T5018] Kernel Offset: disabled [ 62.761414][ T5018] Rebooting in 86400 seconds..