./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4077912527 <...> Warning: Permanently added '10.128.1.9' (ED25519) to the list of known hosts. execve("./syz-executor4077912527", ["./syz-executor4077912527"], 0x7ffd43583ad0 /* 10 vars */) = 0 brk(NULL) = 0x555556747000 brk(0x555556747d00) = 0x555556747d00 arch_prctl(ARCH_SET_FS, 0x555556747380) = 0 set_tid_address(0x555556747650) = 5059 set_robust_list(0x555556747660, 24) = 0 rseq(0x555556747ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4077912527", 4096) = 28 getrandom("\x69\xfa\x28\x6a\x63\x02\xd2\x6e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556747d00 brk(0x555556768d00) = 0x555556768d00 brk(0x555556769000) = 0x555556769000 mprotect(0x7efd824b2000, 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, child_tidptr=0x555556747650) = 5060 ./strace-static-x86_64: Process 5060 attached [pid 5060] set_robust_list(0x555556747660, 24) = 0 [pid 5060] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5060] setsid() = 1 [pid 5060] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5060] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5060] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5060] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5060] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5060] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5060] unshare(CLONE_NEWNS) = 0 [pid 5060] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5060] unshare(CLONE_NEWIPC) = 0 [pid 5060] unshare(CLONE_NEWCGROUP) = 0 [pid 5060] unshare(CLONE_NEWUTS) = 0 [pid 5060] unshare(CLONE_SYSVSEM) = 0 [pid 5060] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "16777216", 8) = 8 [pid 5060] close(3) = 0 [pid 5060] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "536870912", 9) = 9 [pid 5060] close(3) = 0 [pid 5060] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "1024", 4) = 4 [pid 5060] close(3) = 0 [pid 5060] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "8192", 4) = 4 [pid 5060] close(3) = 0 [pid 5060] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "1024", 4) = 4 [pid 5060] close(3) = 0 [pid 5060] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "1024", 4) = 4 [pid 5060] close(3) = 0 [pid 5060] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5060] close(3) = 0 [pid 5060] getpid() = 1 [pid 5060] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e8 64 fb 54 ff 0f 0b 66 90 66 0f 1f 00 41 57 41 56 53 49 89 [ 56.167019][ T5060] RSP: 0018:ffffc90003bf7960 EFLAGS: 00010293 [ 56.173063][ T5060] RAX: ffffffff8239c6e5 RBX: 0000000000000000 RCX: ffff88801df0d940 [ 56.181010][ T5060] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 56.188956][ T5060] RBP: ffffc90003bf7a58 R08: ffffffff8239c381 R09: 0000000000000000 [ 56.196905][ T5060] R10: ffffc90003bf79a0 R11: fffff5200077ef3b R12: dffffc0000000000 [ 56.204853][ T5060] R13: ffff8880788ba000 R14: 1ffff9200077ef30 R15: 1ffff1100f1174c6 [ 56.212800][ T5060] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 56.221705][ T5060] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.228265][ T5060] CR2: 000055ff8c6fb0b8 CR3: 000000001c460000 CR4: 00000000003506f0 [ 56.236217][ T5060] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.244165][ T5060] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.252113][ T5060] Call Trace: [ 56.255374][ T5060] [ 56.258290][ T5060] ? __die_body+0x8b/0xe0 [ 56.262605][ T5060] ? die+0xa1/0xd0 [ 56.266303][ T5060] ? do_trap+0x153/0x380 [ 56.270527][ T5060] ? do_journal_release+0x4c5/0x4d0 [ 56.275708][ T5060] ? do_error_trap+0x1dc/0x2c0 [ 56.280451][ T5060] ? do_journal_release+0x4c5/0x4d0 [ 56.285630][ T5060] ? do_int3+0x50/0x50 [ 56.289678][ T5060] ? report_bug+0x3e4/0x500 [ 56.294173][ T5060] ? handle_invalid_op+0x34/0x40 [ 56.299090][ T5060] ? do_journal_release+0x4c5/0x4d0 [ 56.304270][ T5060] ? exc_invalid_op+0x33/0x50 [ 56.308928][ T5060] ? asm_exc_invalid_op+0x1a/0x20 [ 56.313936][ T5060] ? do_journal_release+0x161/0x4d0 [ 56.319118][ T5060] ? do_journal_release+0x4c5/0x4d0 [ 56.324295][ T5060] ? do_journal_release+0x4c5/0x4d0 [ 56.329473][ T5060] ? journal_release+0x30/0x30 [ 56.334222][ T5060] journal_release+0x1f/0x30 [ 56.338793][ T5060] reiserfs_put_super+0x23b/0x4c0 [ 56.343798][ T5060] ? hook_inode_free_security+0xb0/0xb0 [ 56.349323][ T5060] ? reiserfs_dirty_inode+0x240/0x240 [ 56.354674][ T5060] ? fscrypt_destroy_keyring+0x2aa/0x2c0 [ 56.360287][ T5060] ? reiserfs_dirty_inode+0x240/0x240 [ 56.365637][ T5060] generic_shutdown_super+0x13a/0x2c0 [ 56.370990][ T5060] kill_block_super+0x44/0x90 [ 56.375644][ T5060] deactivate_locked_super+0xc1/0x130 [ 56.380996][ T5060] cleanup_mnt+0x426/0x4c0 [ 56.385394][ T5060] ? _raw_spin_unlock_irq+0x23/0x50 [ 56.390570][ T5060] task_work_run+0x24a/0x300 [ 56.395139][ T5060] ? kasan_quarantine_put+0xd8/0x230 [ 56.400406][ T5060] ? task_work_cancel+0x2b0/0x2b0 [ 56.405409][ T5060] ? kmem_cache_free+0x297/0x500 [ 56.410333][ T5060] ? do_exit+0xa2f/0x2750 [ 56.414643][ T5060] do_exit+0xa34/0x2750 [ 56.418789][ T5060] ? put_task_struct+0xb0/0xb0 [ 56.423554][ T5060] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 56.429529][ T5060] ? print_irqtrace_events+0x220/0x220 [ 56.434970][ T5060] ? _raw_spin_unlock_irq+0x23/0x50 [ 56.440142][ T5060] ? lockdep_hardirqs_on+0x98/0x140 [ 56.445328][ T5060] do_group_exit+0x206/0x2c0 [ 56.449901][ T5060] __x64_sys_exit_group+0x3f/0x40 [ 56.454909][ T5060] do_syscall_64+0x44/0x110 [ 56.459396][ T5060] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 56.465361][ T5060] RIP: 0033:0x7efd8243abc9 [ 56.469760][ T5060] Code: Unable to access opcode bytes at 0x7efd8243ab9f. [ 56.476751][ T5060] RSP: 002b:00007ffe7d3e2408 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 56.485151][ T5060] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007efd8243abc9 [ 56.493098][ T5060] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 56.501047][ T5060] RBP: 00007efd824b8390 R08: ffffffffffffffb8 R09: 0000000000000000 [ 56.508997][ T5060] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efd824b8390 [ 56.516946][ T5060] R13: 0000000000000000 R14: 00007efd824b9100 R15: 00007efd82408ea0 [ 56.524898][ T5060] [ 56.527894][ T5060] Modules linked in: [ 56.533309][ T5060] ---[ end trace 0000000000000000 ]--- [ 56.538803][ T5060] RIP: 0010:do_journal_release+0x4c5/0x4d0 [ 56.544750][ T5060] Code: fc ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 30 fd ff ff 48 89 df e8 2a 1d b1 ff e9 23 fd ff ff e8 70 88 e0 08 e8 6b fb 54 ff <0f> 0b e8 64 fb 54 ff 0f 0b 66 90 66 0f 1f 00 41 57 41 56 53 49 89 [ 56.564472][ T5060] RSP: 0018:ffffc90003bf7960 EFLAGS: 00010293 [ 56.570537][ T5060] RAX: ffffffff8239c6e5 RBX: 0000000000000000 RCX: ffff88801df0d940 [ 56.578517][ T5060] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 56.586499][ T5060] RBP: ffffc90003bf7a58 R08: ffffffff8239c381 R09: 0000000000000000 [ 56.594478][ T5060] R10: ffffc90003bf79a0 R11: fffff5200077ef3b R12: dffffc0000000000 [ 56.602442][ T5060] R13: ffff8880788ba000 R14: 1ffff9200077ef30 R15: 1ffff1100f1174c6 [ 56.610513][ T5060] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 56.619454][ T5060] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.626046][ T5060] CR2: 000055ff8c6fb0b8 CR3: 000000001c460000 CR4: 00000000003506f0 [ 56.634071][ T5060] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.642023][ T5060] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.650006][ T5060] Kernel panic - not syncing: Fatal exception [ 56.656234][ T5060] Kernel Offset: disabled [ 56.660540][ T5060] Rebooting in 86400 seconds..