./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor805152423 <...> Warning: Permanently added '10.128.1.102' (ED25519) to the list of known hosts. execve("./syz-executor805152423", ["./syz-executor805152423"], 0x7ffe27a52fa0 /* 10 vars */) = 0 brk(NULL) = 0x555556ce6000 brk(0x555556ce6d00) = 0x555556ce6d00 arch_prctl(ARCH_SET_FS, 0x555556ce6380) = 0 set_tid_address(0x555556ce6650) = 5059 set_robust_list(0x555556ce6660, 24) = 0 rseq(0x555556ce6ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor805152423", 4096) = 27 getrandom("\xb1\xdf\xca\x7c\xf7\xb8\x14\x8b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556ce6d00 brk(0x555556d07d00) = 0x555556d07d00 brk(0x555556d08000) = 0x555556d08000 mprotect(0x7fd869c3e000, 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=0x555556ce6650) = 5060 ./strace-static-x86_64: Process 5060 attached [pid 5060] set_robust_list(0x555556ce6660, 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 [ 74.188646][ T27] audit: type=1400 audit(1701913380.755:83): avc: denied { execmem } for pid=5059 comm="syz-executor805" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [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 [ 74.228765][ T27] audit: type=1400 audit(1701913380.785:84): avc: denied { mounton } for pid=5060 comm="syz-executor805" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 74.252892][ T27] audit: type=1400 audit(1701913380.795:85): avc: denied { mount } for pid=5060 comm="syz-executor805" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [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 [ 74.307006][ T27] audit: type=1400 audit(1701913380.865:86): avc: denied { mounton } for pid=5060 comm="syz-executor805" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [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 49 c7 c6 20 ad e2 8a 4d 89 f4 eb c4 e8 1c 33 60 ff 4d 85 e4 [ 75.178200][ T5060] RSP: 0018:ffffc900030c7918 EFLAGS: 00010293 [ 75.184288][ T5060] RAX: 0000000000000000 RBX: ffff8880758de000 RCX: ffffffff81697239 [ 75.192284][ T5060] RDX: ffff88801ce5e0c0 RSI: ffffffff82264d30 RDI: 0000000000000005 [ 75.200433][ T5060] RBP: ffffc900030c79e8 R08: 0000000000000005 R09: 0000000000000000 [ 75.208402][ T5060] R10: 0000000080000000 R11: 0000000000000001 R12: ffffffff8ae31280 [ 75.216478][ T5060] R13: ffffffff8ae31b80 R14: ffffffff8ae2ace0 R15: ffffc90003469050 [ 75.224452][ T5060] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 75.233431][ T5060] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.240035][ T5060] CR2: 00007fd869c11238 CR3: 000000000cd77000 CR4: 00000000003506f0 [ 75.248005][ T5060] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.255973][ T5060] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.263944][ T5060] Call Trace: [ 75.267224][ T5060] [ 75.270152][ T5060] ? show_regs+0x8f/0xa0 [ 75.274416][ T5060] ? die+0x36/0xa0 [ 75.278142][ T5060] ? do_trap+0x22b/0x420 [ 75.282479][ T5060] ? __reiserfs_panic+0x101/0x150 [ 75.287505][ T5060] ? __reiserfs_panic+0x101/0x150 [ 75.292530][ T5060] ? do_error_trap+0xf4/0x230 [ 75.297231][ T5060] ? __reiserfs_panic+0x101/0x150 [ 75.302259][ T5060] ? handle_invalid_op+0x34/0x40 [ 75.307216][ T5060] ? __reiserfs_panic+0x101/0x150 [ 75.312250][ T5060] ? exc_invalid_op+0x2e/0x40 [ 75.317048][ T5060] ? asm_exc_invalid_op+0x1a/0x20 [ 75.322096][ T5060] ? __wake_up_klogd.part.0+0x99/0xf0 [ 75.328720][ T5060] ? __reiserfs_panic+0x100/0x150 [ 75.333772][ T5060] ? __reiserfs_panic+0x101/0x150 [ 75.338939][ T5060] ? __reiserfs_panic+0x100/0x150 [ 75.344579][ T5060] ? reiserfs_debug+0x10/0x10 [ 75.349999][ T5060] ? bit_wait_io_timeout+0x160/0x160 [ 75.355407][ T5060] do_journal_end+0x4b1e/0x4f10 [ 75.360979][ T5060] ? do_journal_end+0x4f10/0x4f10 [ 75.367418][ T5060] ? reiserfs_prepare_for_journal+0x2b0/0x2b0 [ 75.373613][ T5060] ? dquot_scan_active+0x2f0/0x2f0 [ 75.380776][ T5060] reiserfs_sync_fs+0x10e/0x140 [ 75.385649][ T5060] ? handle_quota_files+0x3b0/0x3b0 [ 75.391213][ T5060] ? get_nr_dirty_inodes+0x176/0x1e0 [ 75.396542][ T5060] ? handle_quota_files+0x3b0/0x3b0 [ 75.402122][ T5060] sync_filesystem+0x109/0x280 [ 75.406912][ T5060] generic_shutdown_super+0x7e/0x3d0 [ 75.412843][ T5060] kill_block_super+0x3b/0x90 [ 75.417905][ T5060] deactivate_locked_super+0xbc/0x1a0 [ 75.423312][ T5060] deactivate_super+0xde/0x100 [ 75.428256][ T5060] cleanup_mnt+0x222/0x450 [ 75.432696][ T5060] task_work_run+0x14d/0x240 [ 75.437492][ T5060] ? task_work_cancel+0x30/0x30 [ 75.442349][ T5060] ? __put_net+0x61/0x70 [ 75.446616][ T5060] do_exit+0xa92/0x2ae0 [ 75.450876][ T5060] ? do_group_exit+0x1c5/0x2a0 [ 75.456125][ T5060] ? reacquire_held_locks+0x4c0/0x4c0 [ 75.461607][ T5060] ? do_raw_spin_lock+0x12e/0x2b0 [ 75.466640][ T5060] ? mm_update_next_owner+0x840/0x840 [ 75.472045][ T5060] ? spin_bug+0x1d0/0x1d0 [ 75.476407][ T5060] do_group_exit+0xd4/0x2a0 [ 75.480958][ T5060] __x64_sys_exit_group+0x3e/0x50 [ 75.486031][ T5060] do_syscall_64+0x40/0x110 [ 75.490549][ T5060] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 75.496548][ T5060] RIP: 0033:0x7fd869bc6cc9 [ 75.500984][ T5060] Code: Unable to access opcode bytes at 0x7fd869bc6c9f. [ 75.508095][ T5060] RSP: 002b:00007fffe00f8728 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 75.516535][ T5060] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd869bc6cc9 [ 75.524528][ T5060] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 75.532504][ T5060] RBP: 00007fd869c44390 R08: ffffffffffffffb8 R09: 00007fffe00f8800 [ 75.540563][ T5060] R10: 0000000020000000 R11: 0000000000000246 R12: 00007fd869c44390 [ 75.548637][ T5060] R13: 0000000000000000 R14: 00007fd869c45100 R15: 00007fd869b94f80 [ 75.556609][ T5060] [ 75.559621][ T5060] Modules linked in: [ 75.580586][ T5060] ---[ end trace 0000000000000000 ]--- [ 75.586086][ T5060] RIP: 0010:__reiserfs_panic+0x101/0x150 [ 75.592196][ T5060] Code: ff 4d 89 e8 4c 89 f1 4c 89 e2 48 8d b3 60 06 00 00 49 c7 c1 e0 1d 8c 92 48 c7 c7 80 ae e2 8a e8 75 0e 43 ff e8 30 33 60 ff 90 <0f> 0b 49 c7 c6 20 ad e2 8a 4d 89 f4 eb c4 e8 1c 33 60 ff 4d 85 e4 [ 75.612024][ T5060] RSP: 0018:ffffc900030c7918 EFLAGS: 00010293 [ 75.618308][ T5060] RAX: 0000000000000000 RBX: ffff8880758de000 RCX: ffffffff81697239 [ 75.626311][ T5060] RDX: ffff88801ce5e0c0 RSI: ffffffff82264d30 RDI: 0000000000000005 [ 75.634451][ T5060] RBP: ffffc900030c79e8 R08: 0000000000000005 R09: 0000000000000000 [ 75.642970][ T5060] R10: 0000000080000000 R11: 0000000000000001 R12: ffffffff8ae31280 [ 75.651134][ T5060] R13: ffffffff8ae31b80 R14: ffffffff8ae2ace0 R15: ffffc90003469050 [ 75.659248][ T5060] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 75.668271][ T5060] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.674908][ T5060] CR2: 00007fd869c11238 CR3: 000000007c341000 CR4: 00000000003506f0 [ 75.683263][ T5060] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.691281][ T5060] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.699403][ T5060] Kernel panic - not syncing: Fatal exception [ 75.705770][ T5060] Kernel Offset: disabled [ 75.710104][ T5060] Rebooting in 86400 seconds..