./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1220266758 <...> Warning: Permanently added '10.128.1.74' (ED25519) to the list of known hosts. execve("./syz-executor1220266758", ["./syz-executor1220266758"], 0x7ffd0d7f63b0 /* 10 vars */) = 0 brk(NULL) = 0x555568d35000 brk(0x555568d35d00) = 0x555568d35d00 arch_prctl(ARCH_SET_FS, 0x555568d35380) = 0 set_tid_address(0x555568d35650) = 5816 set_robust_list(0x555568d35660, 24) = 0 rseq(0x555568d35ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1220266758", 4096) = 28 getrandom("\x5f\xd7\xa5\xf8\x5e\x9a\x3a\x4a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555568d35d00 brk(0x555568d56d00) = 0x555568d56d00 brk(0x555568d57000) = 0x555568d57000 mprotect(0x7f8c9bbc9000, 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 5817 attached [pid 5817] set_robust_list(0x555568d35660, 24 [pid 5816] <... clone resumed>, child_tidptr=0x555568d35650) = 5817 [pid 5817] <... set_robust_list resumed>) = 0 [pid 5817] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5817] getppid() = 0 [pid 5817] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5817] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5817] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5817] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5817] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5817] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5817] unshare(CLONE_NEWNS) = 0 [pid 5817] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5817] unshare(CLONE_NEWIPC) = 0 [pid 5817] unshare(CLONE_NEWCGROUP) = 0 [pid 5817] unshare(CLONE_NEWUTS) = 0 [pid 5817] unshare(CLONE_SYSVSEM) = 0 [pid 5817] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5817] write(3, "16777216", 8) = 8 [pid 5817] close(3) = 0 [pid 5817] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5817] write(3, "536870912", 9) = 9 [pid 5817] close(3) = 0 [pid 5817] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5817] write(3, "1024", 4) = 4 [pid 5817] close(3) = 0 [pid 5817] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5817] write(3, "8192", 4) = 4 [pid 5817] close(3) = 0 [pid 5817] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5817] write(3, "1024", 4) = 4 [pid 5817] close(3) = 0 [pid 5817] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5817] write(3, "1024", 4) = 4 [pid 5817] close(3) = 0 [pid 5817] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5817] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5817] close(3) = 0 [pid 5817] getpid() = 1 [pid 5817] 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 [ 63.184559][ T12] RSP: 0018:ffffc90000117260 EFLAGS: 00010293 [ 63.190616][ T12] RAX: ffffffff82868d18 RBX: 0000000000000000 RCX: ffff88801bee5a00 [ 63.198576][ T12] RDX: 0000000000000000 RSI: ffffffff8eb50480 RDI: 0000000000000000 [ 63.206534][ T12] RBP: ffffc900001173f0 R08: 0000000000000007 R09: ffffffff82867fc2 [ 63.214489][ T12] R10: 0000000000000003 R11: ffff88801bee5a00 R12: 1ffff92000022e50 [ 63.222468][ T12] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88807e1407d8 [ 63.230426][ T12] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 63.239341][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.245908][ T12] CR2: 00007f8c9bbcd130 CR3: 000000002f1a8000 CR4: 00000000003526f0 [ 63.253864][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.261815][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.269767][ T12] Call Trace: [ 63.273033][ T12] [ 63.275950][ T12] ? __die_body+0x5f/0xb0 [ 63.280282][ T12] ? die+0x9e/0xc0 [ 63.283991][ T12] ? do_trap+0x15a/0x3a0 [ 63.288219][ T12] ? hfs_write_inode+0xeb9/0xec0 [ 63.293145][ T12] ? do_error_trap+0x1dc/0x2c0 [ 63.297895][ T12] ? hfs_write_inode+0xeb9/0xec0 [ 63.302816][ T12] ? blk_start_plug+0x53/0x1b0 [ 63.307611][ T12] ? __pfx_do_error_trap+0x10/0x10 [ 63.312800][ T12] ? report_bug+0x3e8/0x500 [ 63.317294][ T12] ? handle_invalid_op+0x34/0x40 [ 63.322216][ T12] ? hfs_write_inode+0xeb9/0xec0 [ 63.327134][ T12] ? exc_invalid_op+0x38/0x50 [ 63.331800][ T12] ? asm_exc_invalid_op+0x1a/0x20 [ 63.336811][ T12] ? hfs_write_inode+0x162/0xec0 [ 63.341732][ T12] ? hfs_write_inode+0xeb8/0xec0 [ 63.346653][ T12] ? hfs_write_inode+0xeb9/0xec0 [ 63.351575][ T12] ? __pfx_hfs_write_inode+0x10/0x10 [ 63.356857][ T12] ? __writeback_single_inode+0x48f/0x10d0 [ 63.362686][ T12] ? do_raw_spin_unlock+0x13c/0x8b0 [ 63.367952][ T12] __writeback_single_inode+0x708/0x10d0 [ 63.373589][ T12] writeback_sb_inodes+0x820/0x1360 [ 63.378780][ T12] ? __pfx_lock_acquire+0x10/0x10 [ 63.383789][ T12] ? __pfx_lock_release+0x10/0x10 [ 63.388805][ T12] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 63.394433][ T12] ? rcu_is_watching+0x15/0xb0 [ 63.399187][ T12] ? queue_io+0x3d9/0x5a0 [ 63.403526][ T12] wb_writeback+0x413/0xb80 [ 63.408039][ T12] ? queue_io+0x321/0x5a0 [ 63.412358][ T12] ? __pfx_wb_writeback+0x10/0x10 [ 63.417372][ T12] wb_workfn+0x410/0x1080 [ 63.421692][ T12] ? __pfx_wb_workfn+0x10/0x10 [ 63.426444][ T12] ? __pfx_lock_acquire+0x10/0x10 [ 63.431455][ T12] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 63.437421][ T12] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 63.443738][ T12] ? process_scheduled_works+0x976/0x1840 [ 63.449446][ T12] process_scheduled_works+0xa66/0x1840 [ 63.454993][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 63.460958][ T12] ? assign_work+0x364/0x3d0 [ 63.465541][ T12] worker_thread+0x870/0xd30 [ 63.470115][ T12] ? __kthread_parkme+0x169/0x1d0 [ 63.475125][ T12] ? __pfx_worker_thread+0x10/0x10 [ 63.480214][ T12] kthread+0x2f0/0x390 [ 63.484264][ T12] ? __pfx_worker_thread+0x10/0x10 [ 63.489353][ T12] ? __pfx_kthread+0x10/0x10 [ 63.493929][ T12] ret_from_fork+0x4b/0x80 [ 63.498330][ T12] ? __pfx_kthread+0x10/0x10 [ 63.502926][ T12] ret_from_fork_asm+0x1a/0x30 [ 63.507769][ T12] [ 63.510780][ T12] Modules linked in: [ 63.514975][ T12] ---[ end trace 0000000000000000 ]--- [ 63.520772][ T12] RIP: 0010:hfs_write_inode+0xeb9/0xec0 [ 63.526590][ T12] Code: e9 88 fb ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 9d fb ff ff e8 87 a1 80 ff e9 93 fb ff ff e8 bd 3f 41 09 e8 b8 e4 18 ff 90 <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 63.546327][ T12] RSP: 0018:ffffc90000117260 EFLAGS: 00010293 [ 63.552420][ T12] RAX: ffffffff82868d18 RBX: 0000000000000000 RCX: ffff88801bee5a00 [ 63.560487][ T12] RDX: 0000000000000000 RSI: ffffffff8eb50480 RDI: 0000000000000000 [ 63.568512][ T12] RBP: ffffc900001173f0 R08: 0000000000000007 R09: ffffffff82867fc2 [ 63.576539][ T12] R10: 0000000000000003 R11: ffff88801bee5a00 R12: 1ffff92000022e50 [ 63.584547][ T12] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88807e1407d8 [ 63.592534][ T12] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 63.601518][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.608143][ T12] CR2: 00007f8c9bbcd130 CR3: 000000002efe2000 CR4: 00000000003526f0 [ 63.616151][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.624153][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.632118][ T12] Kernel panic - not syncing: Fatal exception [ 63.638414][ T12] Kernel Offset: disabled [ 63.642727][ T12] Rebooting in 86400 seconds..