./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1020810330 <...> Warning: Permanently added '10.128.1.179' (ED25519) to the list of known hosts. execve("./syz-executor1020810330", ["./syz-executor1020810330"], 0x7fff5bf1ac10 /* 10 vars */) = 0 brk(NULL) = 0x555556b9e000 brk(0x555556b9ed00) = 0x555556b9ed00 arch_prctl(ARCH_SET_FS, 0x555556b9e380) = 0 set_tid_address(0x555556b9e650) = 5013 set_robust_list(0x555556b9e660, 24) = 0 rseq(0x555556b9eca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1020810330", 4096) = 28 getrandom("\xaa\x60\xa8\x3f\x71\xc7\xa8\xcb", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556b9ed00 brk(0x555556bbfd00) = 0x555556bbfd00 brk(0x555556bc0000) = 0x555556bc0000 mprotect(0x7f165d4d0000, 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=0x555556b9e650) = 5014 ./strace-static-x86_64: Process 5014 attached [pid 5014] set_robust_list(0x555556b9e660, 24) = 0 [pid 5014] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5014] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5014] setsid() = 1 [pid 5014] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5014] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5014] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5014] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5014] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5014] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5014] unshare(CLONE_NEWNS) = 0 [pid 5014] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5014] unshare(CLONE_NEWIPC) = 0 [pid 5014] unshare(CLONE_NEWCGROUP) = 0 [pid 5014] unshare(CLONE_NEWUTS) = 0 [pid 5014] unshare(CLONE_SYSVSEM) = 0 [pid 5014] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "16777216", 8) = 8 [pid 5014] close(3) = 0 [pid 5014] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "536870912", 9) = 9 [pid 5014] close(3) = 0 [pid 5014] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "1024", 4) = 4 [pid 5014] close(3) = 0 [pid 5014] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "8192", 4) = 4 [pid 5014] close(3) = 0 [pid 5014] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "1024", 4) = 4 [pid 5014] close(3) = 0 [pid 5014] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "1024", 4) = 4 [pid 5014] close(3) = 0 [pid 5014] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5014] close(3) = 0 [pid 5014] getpid() = 1 [pid 5014] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e8 e0 fd 5f ff 49 8d 7c 24 08 48 b8 00 00 00 00 00 fc ff df [ 61.236588][ T5014] RSP: 0018:ffffc9000350fb00 EFLAGS: 00010293 [ 61.242710][ T5014] RAX: 0000000000000000 RBX: ffff88807a196000 RCX: 0000000000000000 [ 61.250690][ T5014] RDX: ffff88807a876040 RSI: ffffffff82258ae9 RDI: 0000000000000005 [ 61.258667][ T5014] RBP: 1ffff920006a1f61 R08: 0000000000000005 R09: 0000000000000000 [ 61.266624][ T5014] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc9000350fc00 [ 61.274598][ T5014] R13: ffffc9000350fb28 R14: ffff88807a196628 R15: ffffc90003411000 [ 61.282552][ T5014] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 61.291481][ T5014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.298050][ T5014] CR2: 00007f165d4d4130 CR3: 000000000c776000 CR4: 00000000003506f0 [ 61.306020][ T5014] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.313973][ T5014] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.321928][ T5014] Call Trace: [ 61.325203][ T5014] [ 61.328129][ T5014] ? die+0x31/0x80 [ 61.331841][ T5014] ? do_trap+0x1ab/0x3b0 [ 61.336070][ T5014] ? journal_release+0x4d9/0x660 [ 61.340999][ T5014] ? do_error_trap+0x9e/0x160 [ 61.345678][ T5014] ? journal_release+0x4d9/0x660 [ 61.350598][ T5014] ? handle_invalid_op+0x2c/0x30 [ 61.355538][ T5014] ? journal_release+0x4d9/0x660 [ 61.360458][ T5014] ? exc_invalid_op+0x2d/0x40 [ 61.365127][ T5014] ? asm_exc_invalid_op+0x1a/0x20 [ 61.370132][ T5014] ? journal_release+0x4d9/0x660 [ 61.375056][ T5014] ? journal_release+0x4d9/0x660 [ 61.380000][ T5014] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 61.386662][ T5014] reiserfs_put_super+0xe9/0x5c0 [ 61.391590][ T5014] ? reiserfs_quota_read+0x4e0/0x4e0 [ 61.396865][ T5014] ? fscrypt_destroy_keyring+0x1e/0x390 [ 61.402393][ T5014] ? reiserfs_quota_read+0x4e0/0x4e0 [ 61.407665][ T5014] generic_shutdown_super+0x158/0x480 [ 61.413019][ T5014] kill_block_super+0x64/0xb0 [ 61.417680][ T5014] deactivate_locked_super+0x9a/0x170 [ 61.423048][ T5014] deactivate_super+0xde/0x100 [ 61.427800][ T5014] cleanup_mnt+0x222/0x3d0 [ 61.432200][ T5014] task_work_run+0x14d/0x240 [ 61.436777][ T5014] ? task_work_cancel+0x30/0x30 [ 61.441611][ T5014] ? __put_net+0x61/0x70 [ 61.445836][ T5014] do_exit+0xa99/0x2a20 [ 61.449983][ T5014] ? do_group_exit+0x1c5/0x2a0 [ 61.454821][ T5014] ? reacquire_held_locks+0x4b0/0x4b0 [ 61.460179][ T5014] ? do_raw_spin_lock+0x12e/0x2b0 [ 61.465191][ T5014] ? mm_update_next_owner+0x7d0/0x7d0 [ 61.470564][ T5014] ? spin_bug+0x1d0/0x1d0 [ 61.474898][ T5014] do_group_exit+0xd4/0x2a0 [ 61.479387][ T5014] __x64_sys_exit_group+0x3e/0x50 [ 61.484398][ T5014] do_syscall_64+0x38/0xb0 [ 61.488794][ T5014] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.494680][ T5014] RIP: 0033:0x7f165d4598c9 [ 61.499100][ T5014] Code: Unable to access opcode bytes at 0x7f165d45989f. [ 61.506095][ T5014] RSP: 002b:00007ffc361fc518 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 61.514488][ T5014] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f165d4598c9 [ 61.522440][ T5014] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 61.531261][ T5014] RBP: 00007f165d4d62b0 R08: ffffffffffffffb8 R09: 0000000000000000 [ 61.539214][ T5014] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f165d4d62b0 [ 61.547170][ T5014] R13: 0000000000000000 R14: 00007f165d4d7020 R15: 00007f165d427e20 [ 61.555128][ T5014] [ 61.558129][ T5014] Modules linked in: [ 61.562879][ T5014] ---[ end trace 0000000000000000 ]--- [ 61.568415][ T5014] RIP: 0010:journal_release+0x4d9/0x660 [ 61.574044][ T5014] Code: 00 0f 85 68 01 00 00 49 8b 34 24 4c 89 ef e8 ce 6a ff ff be 01 00 00 00 4c 89 ef e8 21 8f ff ff e9 60 fd ff ff e8 e7 fd 5f ff <0f> 0b e8 e0 fd 5f ff 49 8d 7c 24 08 48 b8 00 00 00 00 00 fc ff df [ 61.593757][ T5014] RSP: 0018:ffffc9000350fb00 EFLAGS: 00010293 [ 61.599847][ T5014] RAX: 0000000000000000 RBX: ffff88807a196000 RCX: 0000000000000000 [ 61.607876][ T5014] RDX: ffff88807a876040 RSI: ffffffff82258ae9 RDI: 0000000000000005 [ 61.615904][ T5014] RBP: 1ffff920006a1f61 R08: 0000000000000005 R09: 0000000000000000 [ 61.623922][ T5014] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc9000350fc00 [ 61.631929][ T5014] R13: ffffc9000350fb28 R14: ffff88807a196628 R15: ffffc90003411000 [ 61.639890][ T5014] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 61.648848][ T5014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.655636][ T5014] CR2: 00007f165d4d4130 CR3: 000000000c776000 CR4: 00000000003506f0 [ 61.663627][ T5014] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.671623][ T5014] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.679581][ T5014] Kernel panic - not syncing: Fatal exception [ 61.685929][ T5014] Kernel Offset: disabled [ 61.690240][ T5014] Rebooting in 86400 seconds..