./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor791543689 <...> Warning: Permanently added '10.128.1.1' (ECDSA) to the list of known hosts. execve("./syz-executor791543689", ["./syz-executor791543689"], 0x7ffe974439d0 /* 10 vars */) = 0 brk(NULL) = 0x5555557fe000 brk(0x5555557fec40) = 0x5555557fec40 arch_prctl(ARCH_SET_FS, 0x5555557fe300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor791543689", 4096) = 27 brk(0x55555581fc40) = 0x55555581fc40 brk(0x555555820000) = 0x555555820000 mprotect(0x7f55512b8000, 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 4993 attached , child_tidptr=0x5555557fe5d0) = 4993 [pid 4993] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4993] setsid() = 1 [pid 4993] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 4993] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 4993] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 4993] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 4993] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 4993] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 4993] unshare(CLONE_NEWNS) = 0 [pid 4993] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 4993] unshare(CLONE_NEWIPC) = 0 [pid 4993] unshare(CLONE_NEWCGROUP) = 0 [pid 4993] unshare(CLONE_NEWUTS) = 0 [pid 4993] unshare(CLONE_SYSVSEM) = 0 [pid 4993] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 4993] write(3, "16777216", 8) = 8 [pid 4993] close(3) = 0 [pid 4993] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 4993] write(3, "536870912", 9) = 9 [pid 4993] close(3) = 0 [pid 4993] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 4993] write(3, "1024", 4) = 4 [pid 4993] close(3) = 0 [pid 4993] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 4993] write(3, "8192", 4) = 4 [pid 4993] close(3) = 0 [pid 4993] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 4993] write(3, "1024", 4) = 4 [pid 4993] close(3) = 0 [pid 4993] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 4993] write(3, "1024", 4) = 4 [pid 4993] close(3) = 0 [pid 4993] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 4993] write(3, "1024 1048576 500 1024", 21) = 21 [pid 4993] close(3) = 0 [pid 4993] getpid() = 1 [pid 4993] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e8 a4 9d 5a ff 0f 0b 66 90 66 0f 1f 00 41 57 41 56 53 49 89 [ 55.365016][ T4993] RSP: 0018:ffffc90003a47960 EFLAGS: 00010293 [ 55.371086][ T4993] RAX: ffffffff8230e185 RBX: 0000000000000000 RCX: ffff88801f4a9dc0 [ 55.379049][ T4993] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 55.387189][ T4993] RBP: ffffc90003a47a58 R08: ffffffff8230de21 R09: 0000000000000000 [ 55.395151][ T4993] R10: ffffc90003a479a0 R11: dffffc0000000001 R12: dffffc0000000000 [ 55.403118][ T4993] R13: ffff88807c624000 R14: 1ffff92000748f30 R15: 1ffff1100f8c48cf [ 55.411528][ T4993] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 55.420450][ T4993] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.427017][ T4993] CR2: 0000563bbd2340c8 CR3: 000000000cd30000 CR4: 00000000003506f0 [ 55.434970][ T4993] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.442921][ T4993] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.450877][ T4993] Call Trace: [ 55.454156][ T4993] [ 55.457080][ T4993] ? __die_body+0x5e/0xa0 [ 55.461391][ T4993] ? die+0x87/0xb0 [ 55.465089][ T4993] ? do_trap+0x11e/0x350 [ 55.469312][ T4993] ? do_journal_release+0x4c5/0x4d0 [ 55.474592][ T4993] ? do_journal_release+0x4c5/0x4d0 [ 55.479770][ T4993] ? do_error_trap+0x141/0x1f0 [ 55.484563][ T4993] ? do_journal_release+0x4c5/0x4d0 [ 55.489742][ T4993] ? do_int3+0x30/0x30 [ 55.493794][ T4993] ? report_bug+0x3e4/0x500 [ 55.498328][ T4993] ? handle_invalid_op+0x2c/0x40 [ 55.503251][ T4993] ? do_journal_release+0x4c5/0x4d0 [ 55.508433][ T4993] ? exc_invalid_op+0x33/0x50 [ 55.513090][ T4993] ? asm_exc_invalid_op+0x1a/0x20 [ 55.518115][ T4993] ? do_journal_release+0x161/0x4d0 [ 55.523315][ T4993] ? do_journal_release+0x4c5/0x4d0 [ 55.528507][ T4993] ? do_journal_release+0x4c5/0x4d0 [ 55.533692][ T4993] ? journal_release+0x30/0x30 [ 55.538444][ T4993] journal_release+0x1f/0x30 [ 55.543015][ T4993] reiserfs_put_super+0x23b/0x4c0 [ 55.548023][ T4993] ? hook_inode_free_security+0xb0/0xb0 [ 55.553555][ T4993] ? reiserfs_dirty_inode+0x240/0x240 [ 55.559017][ T4993] ? fscrypt_destroy_keyring+0x273/0x290 [ 55.564663][ T4993] ? reiserfs_dirty_inode+0x240/0x240 [ 55.570038][ T4993] generic_shutdown_super+0x134/0x340 [ 55.575405][ T4993] kill_block_super+0x84/0xf0 [ 55.580070][ T4993] deactivate_locked_super+0xa4/0x110 [ 55.586052][ T4993] cleanup_mnt+0x426/0x4c0 [ 55.590460][ T4993] ? _raw_spin_unlock_irq+0x23/0x50 [ 55.595644][ T4993] task_work_run+0x24a/0x300 [ 55.601434][ T4993] ? kasan_quarantine_put+0xd8/0x230 [ 55.606724][ T4993] ? task_work_cancel+0x2b0/0x2b0 [ 55.611744][ T4993] ? kmem_cache_free+0x297/0x520 [ 55.616671][ T4993] ? do_exit+0x68a/0x2290 [ 55.620985][ T4993] do_exit+0x68f/0x2290 [ 55.625130][ T4993] ? put_task_struct+0x80/0x80 [ 55.629873][ T4993] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 55.635842][ T4993] ? print_irqtrace_events+0x220/0x220 [ 55.641297][ T4993] ? _raw_spin_unlock_irq+0x23/0x50 [ 55.646476][ T4993] ? lockdep_hardirqs_on+0x98/0x140 [ 55.651657][ T4993] do_group_exit+0x206/0x2c0 [ 55.656229][ T4993] __x64_sys_exit_group+0x3f/0x40 [ 55.661245][ T4993] do_syscall_64+0x41/0xc0 [ 55.665651][ T4993] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 55.671630][ T4993] RIP: 0033:0x7f5551247b59 [ 55.676121][ T4993] Code: Unable to access opcode bytes at 0x7f5551247b2f. [ 55.683321][ T4993] RSP: 002b:00007ffdf6e9d838 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 55.692681][ T4993] RAX: ffffffffffffffda RBX: 00007f55512be330 RCX: 00007f5551247b59 [ 55.700657][ T4993] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 55.708619][ T4993] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000000000 [ 55.716837][ T4993] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f55512be330 [ 55.724789][ T4993] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 55.732745][ T4993] [ 55.735744][ T4993] Modules linked in: [ 55.740001][ T4993] ---[ end trace 0000000000000000 ]--- [ 55.745464][ T4993] RIP: 0010:do_journal_release+0x4c5/0x4d0 [ 55.753452][ T4993] Code: fc ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 30 fd ff ff 48 89 df e8 0a 72 b2 ff e9 23 fd ff ff e8 70 7c 7e 08 e8 ab 9d 5a ff <0f> 0b e8 a4 9d 5a ff 0f 0b 66 90 66 0f 1f 00 41 57 41 56 53 49 89 [ 55.773149][ T4993] RSP: 0018:ffffc90003a47960 EFLAGS: 00010293 [ 55.779763][ T4993] RAX: ffffffff8230e185 RBX: 0000000000000000 RCX: ffff88801f4a9dc0 [ 55.788469][ T4993] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 55.796739][ T4993] RBP: ffffc90003a47a58 R08: ffffffff8230de21 R09: 0000000000000000 [ 55.804766][ T4993] R10: ffffc90003a479a0 R11: dffffc0000000001 R12: dffffc0000000000 [ 55.812861][ T4993] R13: ffff88807c624000 R14: 1ffff92000748f30 R15: 1ffff1100f8c48cf [ 55.820955][ T4993] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 55.829951][ T4993] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.836561][ T4993] CR2: 0000563bbd2340c8 CR3: 000000000cd30000 CR4: 00000000003506f0 [ 55.844539][ T4993] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.852753][ T4993] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.862126][ T4993] Kernel panic - not syncing: Fatal exception [ 55.868411][ T4993] Kernel Offset: disabled [ 55.872903][ T4993] Rebooting in 86400 seconds..