./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor616894348 <...> Warning: Permanently added '10.128.1.0' (ECDSA) to the list of known hosts. execve("./syz-executor616894348", ["./syz-executor616894348"], 0x7ffc2d934e30 /* 10 vars */) = 0 brk(NULL) = 0x555557543000 brk(0x555557543c40) = 0x555557543c40 arch_prctl(ARCH_SET_FS, 0x555557543300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor616894348", 4096) = 27 brk(0x555557564c40) = 0x555557564c40 brk(0x555557565000) = 0x555557565000 mprotect(0x7f781cdfe000, 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 3614 attached , child_tidptr=0x5555575435d0) = 3614 [pid 3614] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3614] setsid() = 1 [pid 3614] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3614] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3614] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3614] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3614] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3614] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3614] unshare(CLONE_NEWNS) = 0 [pid 3614] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3614] unshare(CLONE_NEWIPC) = 0 [pid 3614] unshare(CLONE_NEWCGROUP) = 0 [pid 3614] unshare(CLONE_NEWUTS) = 0 [pid 3614] unshare(CLONE_SYSVSEM) = 0 [pid 3614] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3614] write(3, "16777216", 8) = 8 [pid 3614] close(3) = 0 [pid 3614] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3614] write(3, "536870912", 9) = 9 [pid 3614] close(3) = 0 [pid 3614] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3614] write(3, "1024", 4) = 4 [pid 3614] close(3) = 0 [pid 3614] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3614] write(3, "8192", 4) = 4 [pid 3614] close(3) = 0 [pid 3614] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3614] write(3, "1024", 4) = 4 [pid 3614] close(3) = 0 [pid 3614] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3614] write(3, "1024", 4) = 4 [pid 3614] close(3) = 0 [pid 3614] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3614] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3614] close(3) = 0 [pid 3614] getpid() = 1 [pid 3614] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 4d 89 ef e9 35 fd ff ff e8 27 52 5a fe e8 dc b1 de fd e9 c6 [ 39.797685][ T3615] RSP: 0018:ffffc90003aff828 EFLAGS: 00010293 [ 39.803743][ T3615] RAX: 0000000000000000 RBX: ffff888075adaa40 RCX: 0000000000000000 [ 39.811749][ T3615] RDX: ffff88802213bb00 RSI: ffffffff8321c2ba RDI: 0000000000000006 [ 39.819776][ T3615] RBP: ffffc90003aff8d0 R08: 0000000000000006 R09: 000023d50af30002 [ 39.827792][ T3615] R10: 0000000000000003 R11: 0000000000000000 R12: ffff888075320158 [ 39.835907][ T3615] R13: 0000000000000003 R14: ffffc90003aff8e8 R15: 000023d50af30002 [ 39.843894][ T3615] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 39.852853][ T3615] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.859471][ T3615] CR2: 000055797c7e7078 CR3: 000000006282c000 CR4: 0000000000350ee0 [ 39.867493][ T3615] Call Trace: [ 39.870770][ T3615] [ 39.873686][ T3615] nilfs_dat_commit_update+0x26/0x40 [ 39.878999][ T3615] nilfs_direct_propagate+0x244/0x320 [ 39.884389][ T3615] ? nilfs_direct_lookup_contig+0x310/0x310 [ 39.890318][ T3615] ? nilfs_iput_work_func+0x70/0x70 [ 39.895577][ T3615] nilfs_bmap_propagate+0x73/0x170 [ 39.900690][ T3615] nilfs_collect_file_data+0x45/0xd0 [ 39.906022][ T3615] nilfs_segctor_apply_buffers+0x14a/0x470 [ 39.911845][ T3615] ? nilfs_collect_dat_data+0xd0/0xd0 [ 39.917263][ T3615] nilfs_segctor_scan_file+0x3f4/0x6f0 [ 39.922733][ T3615] ? nilfs_lookup_dirty_data_buffers+0x7a0/0x7a0 [ 39.929735][ T3615] ? nilfs_sufile_mark_dirty+0x11e/0x230 [ 39.936427][ T3615] nilfs_segctor_do_construct+0x2392/0x6970 [ 39.942419][ T3615] ? nilfs_segctor_abort_construction+0xe20/0xe20 [ 39.948876][ T3615] ? do_raw_spin_lock+0x120/0x2a0 [ 39.953933][ T3615] ? rwlock_bug.part.0+0x90/0x90 [ 39.958916][ T3615] ? do_raw_spin_unlock+0x171/0x230 [ 39.964307][ T3615] ? _raw_spin_unlock+0x24/0x40 [ 39.969197][ T3615] nilfs_segctor_construct+0x8e3/0xb30 [ 39.974700][ T3615] ? rcu_read_lock_sched_held+0x3a/0x70 [ 39.980568][ T3615] ? trace_nilfs2_transaction_transition+0x1a7/0x240 [ 39.987777][ T3615] nilfs_segctor_thread+0x3c3/0xfe0 [ 39.993081][ T3615] ? nilfs_segctor_construct+0xb30/0xb30 [ 39.998902][ T3615] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 40.004738][ T3615] ? prepare_to_wait_exclusive+0x2b0/0x2b0 [ 40.010876][ T3615] ? __kthread_parkme+0x15f/0x220 [ 40.016071][ T3615] ? nilfs_segctor_construct+0xb30/0xb30 [ 40.022206][ T3615] kthread+0x2e4/0x3a0 [ 40.026411][ T3615] ? kthread_complete_and_exit+0x40/0x40 [ 40.032336][ T3615] ret_from_fork+0x1f/0x30 [ 40.036839][ T3615] [ 40.039863][ T3615] Kernel panic - not syncing: panic_on_warn set ... [ 40.047570][ T3615] CPU: 1 PID: 3615 Comm: segctord Not tainted 6.0.0-syzkaller-00372-ga5088ee7251e #0 [ 40.057332][ T3615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 40.067517][ T3615] Call Trace: [ 40.070787][ T3615] [ 40.073791][ T3615] dump_stack_lvl+0xcd/0x134 [ 40.078378][ T3615] panic+0x2c8/0x627 [ 40.082260][ T3615] ? panic_print_sys_info.part.0+0x10b/0x10b [ 40.088232][ T3615] ? __warn.cold+0x248/0x2c4 [ 40.092806][ T3615] ? nilfs_dat_commit_end+0x49a/0x5f0 [ 40.098168][ T3615] __warn.cold+0x259/0x2c4 [ 40.102583][ T3615] ? nilfs_dat_commit_end+0x49a/0x5f0 [ 40.108042][ T3615] report_bug+0x1bc/0x210 [ 40.112368][ T3615] handle_bug+0x3c/0x60 [ 40.116518][ T3615] exc_invalid_op+0x14/0x40 [ 40.121029][ T3615] asm_exc_invalid_op+0x16/0x20 [ 40.125876][ T3615] RIP: 0010:nilfs_dat_commit_end+0x49a/0x5f0 [ 40.131848][ T3615] Code: 41 5f e9 59 52 5a fe e8 54 52 5a fe 48 89 ee 4c 89 e7 e8 09 f0 ff ff eb db e8 42 52 5a fe e8 f7 b1 de fd eb b4 e8 36 52 5a fe <0f> 0b 4d 89 ef e9 35 fd ff ff e8 27 52 5a fe e8 dc b1 de fd e9 c6 [ 40.151537][ T3615] RSP: 0018:ffffc90003aff828 EFLAGS: 00010293 [ 40.157804][ T3615] RAX: 0000000000000000 RBX: ffff888075adaa40 RCX: 0000000000000000 [ 40.165766][ T3615] RDX: ffff88802213bb00 RSI: ffffffff8321c2ba RDI: 0000000000000006 [ 40.173815][ T3615] RBP: ffffc90003aff8d0 R08: 0000000000000006 R09: 000023d50af30002 [ 40.181778][ T3615] R10: 0000000000000003 R11: 0000000000000000 R12: ffff888075320158 [ 40.189916][ T3615] R13: 0000000000000003 R14: ffffc90003aff8e8 R15: 000023d50af30002 [ 40.197982][ T3615] ? nilfs_dat_commit_end+0x49a/0x5f0 [ 40.204226][ T3615] ? nilfs_dat_commit_end+0x49a/0x5f0 [ 40.209639][ T3615] nilfs_dat_commit_update+0x26/0x40 [ 40.214951][ T3615] nilfs_direct_propagate+0x244/0x320 [ 40.220522][ T3615] ? nilfs_direct_lookup_contig+0x310/0x310 [ 40.226445][ T3615] ? nilfs_iput_work_func+0x70/0x70 [ 40.231914][ T3615] nilfs_bmap_propagate+0x73/0x170 [ 40.237067][ T3615] nilfs_collect_file_data+0x45/0xd0 [ 40.242612][ T3615] nilfs_segctor_apply_buffers+0x14a/0x470 [ 40.248438][ T3615] ? nilfs_collect_dat_data+0xd0/0xd0 [ 40.254183][ T3615] nilfs_segctor_scan_file+0x3f4/0x6f0 [ 40.259822][ T3615] ? nilfs_lookup_dirty_data_buffers+0x7a0/0x7a0 [ 40.266153][ T3615] ? nilfs_sufile_mark_dirty+0x11e/0x230 [ 40.271995][ T3615] nilfs_segctor_do_construct+0x2392/0x6970 [ 40.277921][ T3615] ? nilfs_segctor_abort_construction+0xe20/0xe20 [ 40.284339][ T3615] ? do_raw_spin_lock+0x120/0x2a0 [ 40.289361][ T3615] ? rwlock_bug.part.0+0x90/0x90 [ 40.294757][ T3615] ? do_raw_spin_unlock+0x171/0x230 [ 40.299958][ T3615] ? _raw_spin_unlock+0x24/0x40 [ 40.304809][ T3615] nilfs_segctor_construct+0x8e3/0xb30 [ 40.310291][ T3615] ? rcu_read_lock_sched_held+0x3a/0x70 [ 40.315944][ T3615] ? trace_nilfs2_transaction_transition+0x1a7/0x240 [ 40.322629][ T3615] nilfs_segctor_thread+0x3c3/0xfe0 [ 40.327853][ T3615] ? nilfs_segctor_construct+0xb30/0xb30 [ 40.333486][ T3615] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 40.339293][ T3615] ? prepare_to_wait_exclusive+0x2b0/0x2b0 [ 40.345097][ T3615] ? __kthread_parkme+0x15f/0x220 [ 40.350122][ T3615] ? nilfs_segctor_construct+0xb30/0xb30 [ 40.355763][ T3615] kthread+0x2e4/0x3a0 [ 40.359825][ T3615] ? kthread_complete_and_exit+0x40/0x40 [ 40.365450][ T3615] ret_from_fork+0x1f/0x30 [ 40.369871][ T3615] [ 40.373854][ T3615] Kernel Offset: disabled [ 40.378251][ T3615] Rebooting in 86400 seconds..