./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4151287460 <...> Warning: Permanently added '10.128.1.111' (ED25519) to the list of known hosts. execve("./syz-executor4151287460", ["./syz-executor4151287460"], 0x7ffded6855f0 /* 10 vars */) = 0 brk(NULL) = 0x55558e2cb000 brk(0x55558e2cbd00) = 0x55558e2cbd00 arch_prctl(ARCH_SET_FS, 0x55558e2cb380) = 0 set_tid_address(0x55558e2cb650) = 5818 set_robust_list(0x55558e2cb660, 24) = 0 rseq(0x55558e2cbca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4151287460", 4096) = 28 getrandom("\x85\x59\xa6\x0f\x49\xa5\x9c\x20", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558e2cbd00 brk(0x55558e2ecd00) = 0x55558e2ecd00 brk(0x55558e2ed000) = 0x55558e2ed000 mprotect(0x7efe63406000, 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 5819 attached [pid 5819] set_robust_list(0x55558e2cb660, 24 [pid 5818] <... clone resumed>, child_tidptr=0x55558e2cb650) = 5819 [pid 5819] <... set_robust_list resumed>) = 0 [pid 5819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5819] getppid() = 0 [pid 5819] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5819] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5819] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5819] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5819] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5819] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5819] unshare(CLONE_NEWNS) = 0 [pid 5819] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5819] unshare(CLONE_NEWIPC) = 0 [pid 5819] unshare(CLONE_NEWCGROUP) = 0 [pid 5819] unshare(CLONE_NEWUTS) = 0 [pid 5819] unshare(CLONE_SYSVSEM) = 0 [pid 5819] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5819] write(3, "16777216", 8) = 8 [pid 5819] close(3) = 0 [pid 5819] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5819] write(3, "536870912", 9) = 9 [pid 5819] close(3) = 0 [pid 5819] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5819] write(3, "1024", 4) = 4 [pid 5819] close(3) = 0 [pid 5819] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5819] write(3, "8192", 4) = 4 [pid 5819] close(3) = 0 [pid 5819] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5819] write(3, "1024", 4) = 4 [pid 5819] close(3) = 0 [pid 5819] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5819] write(3, "1024", 4) = 4 [pid 5819] close(3) = 0 [pid 5819] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5819] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5819] close(3) = 0 [pid 5819] getpid() = 1 [pid 5819] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 83.435341][ T61] RSP: 0018:ffffc9000213f260 EFLAGS: 00010293 [ 83.442443][ T61] RAX: ffffffff8280e658 RBX: 0000000000000000 RCX: ffff88801cbc0000 [ 83.451038][ T61] RDX: 0000000000000000 RSI: ffffffff8eb51e20 RDI: 0000000000000000 [ 83.459642][ T61] RBP: ffffc9000213f3f0 R08: 0000000000000007 R09: ffffffff8280d902 [ 83.468308][ T61] R10: 0000000000000003 R11: ffff88801cbc0000 R12: 1ffff92000427e50 [ 83.477354][ T61] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88807a0614d8 [ 83.485682][ T61] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 83.496521][ T61] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.505372][ T61] CR2: 00007efe6340a130 CR3: 0000000034118000 CR4: 00000000003526f0 [ 83.515199][ T61] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.526001][ T61] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.535766][ T61] Call Trace: [ 83.539432][ T61] [ 83.542896][ T61] ? __die_body+0x5f/0xb0 [ 83.549553][ T61] ? die+0x9e/0xc0 [ 83.554783][ T61] ? do_trap+0x15a/0x3a0 [ 83.559238][ T61] ? hfs_write_inode+0xeb9/0xec0 [ 83.565113][ T61] ? do_error_trap+0x1dc/0x2c0 [ 83.571162][ T61] ? hfs_write_inode+0xeb9/0xec0 [ 83.577007][ T61] ? blk_start_plug+0x53/0x1b0 [ 83.582922][ T61] ? __pfx_do_error_trap+0x10/0x10 [ 83.588502][ T61] ? report_bug+0x3e8/0x500 [ 83.593737][ T61] ? handle_invalid_op+0x34/0x40 [ 83.599004][ T61] ? hfs_write_inode+0xeb9/0xec0 [ 83.604423][ T61] ? exc_invalid_op+0x38/0x50 [ 83.610003][ T61] ? asm_exc_invalid_op+0x1a/0x20 [ 83.615329][ T61] ? hfs_write_inode+0x162/0xec0 [ 83.621082][ T61] ? hfs_write_inode+0xeb8/0xec0 [ 83.627295][ T61] ? hfs_write_inode+0xeb9/0xec0 [ 83.632533][ T61] ? __pfx_hfs_write_inode+0x10/0x10 [ 83.638015][ T61] ? __writeback_single_inode+0x48f/0x10d0 [ 83.644464][ T61] ? do_raw_spin_unlock+0x13c/0x8b0 [ 83.650390][ T61] __writeback_single_inode+0x708/0x10d0 [ 83.658838][ T61] writeback_sb_inodes+0x820/0x1360 [ 83.664519][ T61] ? __pfx_lock_acquire+0x10/0x10 [ 83.669871][ T61] ? __pfx_lock_release+0x10/0x10 [ 83.677098][ T61] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 83.683979][ T61] ? rcu_is_watching+0x15/0xb0 [ 83.689100][ T61] ? queue_io+0x3d9/0x5a0 [ 83.693531][ T61] wb_writeback+0x413/0xb80 [ 83.698362][ T61] ? queue_io+0x371/0x5a0 [ 83.703856][ T61] ? __pfx_wb_writeback+0x10/0x10 [ 83.709624][ T61] wb_workfn+0x410/0x1080 [ 83.714233][ T61] ? __pfx_wb_workfn+0x10/0x10 [ 83.719372][ T61] ? __pfx_lock_acquire+0x10/0x10 [ 83.725740][ T61] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 83.732918][ T61] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 83.741106][ T61] ? process_scheduled_works+0x976/0x1840 [ 83.747975][ T61] process_scheduled_works+0xa66/0x1840 [ 83.754100][ T61] ? __pfx_process_scheduled_works+0x10/0x10 [ 83.760762][ T61] ? assign_work+0x364/0x3d0 [ 83.766544][ T61] worker_thread+0x870/0xd30 [ 83.773297][ T61] ? __kthread_parkme+0x169/0x1d0 [ 83.778433][ T61] ? __pfx_worker_thread+0x10/0x10 [ 83.783748][ T61] kthread+0x2f0/0x390 [ 83.788304][ T61] ? __pfx_worker_thread+0x10/0x10 [ 83.794565][ T61] ? __pfx_kthread+0x10/0x10 [ 83.802047][ T61] ret_from_fork+0x4b/0x80 [ 83.806717][ T61] ? __pfx_kthread+0x10/0x10 [ 83.812657][ T61] ret_from_fork_asm+0x1a/0x30 [ 83.818168][ T61] [ 83.821199][ T61] Modules linked in: [ 83.825805][ T61] ---[ end trace 0000000000000000 ]--- [ 83.834184][ T61] RIP: 0010:hfs_write_inode+0xeb9/0xec0 [ 83.840106][ T61] Code: e9 88 fb ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 9d fb ff ff e8 e7 66 82 ff e9 93 fb ff ff e8 8d 03 40 09 e8 78 8d 1e ff 90 <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 83.865460][ T61] RSP: 0018:ffffc9000213f260 EFLAGS: 00010293 [ 83.871859][ T61] RAX: ffffffff8280e658 RBX: 0000000000000000 RCX: ffff88801cbc0000 [ 83.882089][ T61] RDX: 0000000000000000 RSI: ffffffff8eb51e20 RDI: 0000000000000000 [ 83.891082][ T61] RBP: ffffc9000213f3f0 R08: 0000000000000007 R09: ffffffff8280d902 [ 83.901831][ T61] R10: 0000000000000003 R11: ffff88801cbc0000 R12: 1ffff92000427e50 [ 83.911501][ T61] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88807a0614d8 [ 83.920114][ T61] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 83.932324][ T61] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.939700][ T61] CR2: 00007efe6340a130 CR3: 0000000034118000 CR4: 00000000003526f0 [ 83.948937][ T61] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.958434][ T61] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.968477][ T61] Kernel panic - not syncing: Fatal exception [ 83.976005][ T61] Kernel Offset: disabled [ 83.981736][ T61] Rebooting in 86400 seconds..