./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1111459380 <...> Warning: Permanently added '10.128.0.223' (ED25519) to the list of known hosts. execve("./syz-executor1111459380", ["./syz-executor1111459380"], 0x7ffe850ed140 /* 10 vars */) = 0 brk(NULL) = 0x555556fb6000 brk(0x555556fb6d00) = 0x555556fb6d00 arch_prctl(ARCH_SET_FS, 0x555556fb6380) = 0 set_tid_address(0x555556fb6650) = 5035 set_robust_list(0x555556fb6660, 24) = 0 rseq(0x555556fb6ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1111459380", 4096) = 28 getrandom("\x31\x8d\xe8\x56\x60\xb2\x45\x84", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556fb6d00 brk(0x555556fd7d00) = 0x555556fd7d00 brk(0x555556fd8000) = 0x555556fd8000 mprotect(0x7f9c6e352000, 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 5036 attached , child_tidptr=0x555556fb6650) = 5036 [pid 5036] set_robust_list(0x555556fb6660, 24) = 0 [pid 5036] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5036] setsid() = 1 [pid 5036] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5036] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5036] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5036] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5036] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5036] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5036] unshare(CLONE_NEWNS) = 0 [pid 5036] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5036] unshare(CLONE_NEWIPC) = 0 [pid 5036] unshare(CLONE_NEWCGROUP) = 0 [pid 5036] unshare(CLONE_NEWUTS) = 0 [pid 5036] unshare(CLONE_SYSVSEM) = 0 [pid 5036] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5036] write(3, "16777216", 8) = 8 [pid 5036] close(3) = 0 [pid 5036] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5036] write(3, "536870912", 9) = 9 [pid 5036] close(3) = 0 [pid 5036] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5036] write(3, "1024", 4) = 4 [pid 5036] close(3) = 0 [pid 5036] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5036] write(3, "8192", 4) = 4 [pid 5036] close(3) = 0 [pid 5036] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5036] write(3, "1024", 4) = 4 [pid 5036] close(3) = 0 [pid 5036] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5036] write(3, "1024", 4) = 4 [pid 5036] close(3) = 0 [pid 5036] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5036] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5036] close(3) = 0 [pid 5036] getpid() = 1 [pid 5036] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 [ 73.797596][ T5036] RSP: 0018:ffffc9000412f6e0 EFLAGS: 00010246 [ 73.804031][ T5036] RAX: 0000000000000069 RBX: ffffffff8b1c91e0 RCX: bff6b4084988b000 [ 73.812128][ T5036] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 73.820134][ T5036] RBP: ffffc9000412f7d0 R08: ffffffff81711cfc R09: 1ffff92000825e7c [ 73.828390][ T5036] R10: dffffc0000000000 R11: fffff52000825e7d R12: ffffffff8b1c9200 [ 73.836457][ T5036] R13: ffffc9000412f700 R14: ffffffff8caadbc5 R15: ffff88801fcd8658 [ 73.844440][ T5036] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 73.853367][ T5036] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.860152][ T5036] CR2: 00007f9c6e356130 CR3: 000000007c3c8000 CR4: 00000000003506e0 [ 73.868484][ T5036] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.876823][ T5036] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.884816][ T5036] Call Trace: [ 73.888099][ T5036] [ 73.891048][ T5036] ? __die_body+0x8b/0xe0 [ 73.895415][ T5036] ? die+0xa1/0xd0 [ 73.899244][ T5036] ? do_trap+0x153/0x380 [ 73.903961][ T5036] ? __reiserfs_panic+0x13e/0x140 [ 73.909109][ T5036] ? do_error_trap+0x1dc/0x2c0 [ 73.913900][ T5036] ? __reiserfs_panic+0x13e/0x140 [ 73.919116][ T5036] ? do_int3+0x50/0x50 [ 73.923201][ T5036] ? report_bug+0x3e4/0x500 [ 73.927996][ T5036] ? handle_invalid_op+0x34/0x40 [ 73.932941][ T5036] ? __reiserfs_panic+0x13e/0x140 [ 73.937966][ T5036] ? exc_invalid_op+0x33/0x50 [ 73.942739][ T5036] ? asm_exc_invalid_op+0x1a/0x20 [ 73.947784][ T5036] ? __wake_up_klogd+0xcc/0x100 [ 73.952909][ T5036] ? __reiserfs_panic+0x13e/0x140 [ 73.957945][ T5036] ? reiserfs_debug+0x10/0x10 [ 73.962638][ T5036] ? __getblk_gfp+0x581/0x630 [ 73.967349][ T5036] do_journal_end+0x4604/0x4770 [ 73.972236][ T5036] ? journal_mark_dirty+0xe40/0xe40 [ 73.977446][ T5036] ? dqput+0x450/0x450 [ 73.981520][ T5036] ? journal_end_sync+0x112/0x1e0 [ 73.986638][ T5036] reiserfs_sync_fs+0xce/0x150 [ 73.991413][ T5036] ? handle_attrs+0x1f0/0x1f0 [ 73.996202][ T5036] ? __static_call_return0+0x9/0x10 [ 74.001508][ T5036] ? dentry_kill+0xbb/0x290 [ 74.006019][ T5036] ? get_nr_dirty_inodes+0x1c7/0x210 [ 74.011314][ T5036] sync_filesystem+0xec/0x220 [ 74.016441][ T5036] generic_shutdown_super+0x72/0x2c0 [ 74.021748][ T5036] kill_block_super+0x41/0x70 [ 74.026533][ T5036] deactivate_locked_super+0xa4/0x110 [ 74.031945][ T5036] cleanup_mnt+0x426/0x4c0 [ 74.036381][ T5036] ? _raw_spin_unlock_irq+0x23/0x50 [ 74.041767][ T5036] task_work_run+0x24a/0x300 [ 74.046363][ T5036] ? kasan_quarantine_put+0xd8/0x230 [ 74.051663][ T5036] ? task_work_cancel+0x2b0/0x2b0 [ 74.056726][ T5036] ? kmem_cache_free+0x292/0x500 [ 74.061865][ T5036] ? do_exit+0xa27/0x2650 [ 74.066232][ T5036] do_exit+0xa2c/0x2650 [ 74.070406][ T5036] ? put_task_struct+0xb0/0xb0 [ 74.075707][ T5036] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 74.081699][ T5036] ? print_irqtrace_events+0x220/0x220 [ 74.087166][ T5036] ? _raw_spin_unlock_irq+0x23/0x50 [ 74.092378][ T5036] ? lockdep_hardirqs_on+0x98/0x140 [ 74.097602][ T5036] do_group_exit+0x206/0x2c0 [ 74.102241][ T5036] __x64_sys_exit_group+0x3f/0x40 [ 74.107276][ T5036] do_syscall_64+0x41/0xc0 [ 74.111697][ T5036] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 74.118400][ T5036] RIP: 0033:0x7f9c6e2db749 [ 74.122820][ T5036] Code: Unable to access opcode bytes at 0x7f9c6e2db71f. [ 74.129833][ T5036] RSP: 002b:00007fff99dc1a68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 74.138253][ T5036] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f9c6e2db749 [ 74.146427][ T5036] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 74.154411][ T5036] RBP: 00007f9c6e3582b0 R08: ffffffffffffffb8 R09: 000000000000111a [ 74.162506][ T5036] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9c6e3582b0 [ 74.170562][ T5036] R13: 0000000000000000 R14: 00007f9c6e359020 R15: 00007f9c6e2a9c70 [ 74.178566][ T5036] [ 74.181972][ T5036] Modules linked in: [ 74.186942][ T5036] ---[ end trace 0000000000000000 ]--- [ 74.192449][ T5036] RIP: 0010:__reiserfs_panic+0x13e/0x140 [ 74.198255][ T5036] Code: c7 c1 e0 45 1c 8b 48 0f 44 c8 48 0f 44 d8 48 c7 c7 a0 46 1c 8b 4c 89 fe 48 89 da 4d 89 f0 49 c7 c1 c0 52 00 92 e8 42 f8 95 08 <0f> 0b f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 [ 74.218012][ T5036] RSP: 0018:ffffc9000412f6e0 EFLAGS: 00010246 [ 74.224112][ T5036] RAX: 0000000000000069 RBX: ffffffff8b1c91e0 RCX: bff6b4084988b000 [ 74.232330][ T5036] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 74.240497][ T5036] RBP: ffffc9000412f7d0 R08: ffffffff81711cfc R09: 1ffff92000825e7c [ 74.248684][ T5036] R10: dffffc0000000000 R11: fffff52000825e7d R12: ffffffff8b1c9200 [ 74.257380][ T5036] R13: ffffc9000412f700 R14: ffffffff8caadbc5 R15: ffff88801fcd8658 [ 74.265454][ T5036] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 74.274442][ T5036] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.281037][ T5036] CR2: 00007f9c6e356130 CR3: 000000007c3c8000 CR4: 00000000003506e0 [ 74.289051][ T5036] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.297089][ T5036] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.305142][ T5036] Kernel panic - not syncing: Fatal exception [ 74.311416][ T5036] Kernel Offset: disabled [ 74.315742][ T5036] Rebooting in 86400 seconds..