./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3049042641 <...> [ 3.678056][ T28] audit: type=1400 audit(1712188167.596:10): avc: denied { getattr } for pid=83 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 3.974322][ T100] udevd[100]: starting version 3.2.11 [ 4.031909][ T101] udevd[101]: starting eudev-3.2.11 [ 5.620093][ T181] ssh-keygen (181) used greatest stack depth: 22320 bytes left [ 14.116772][ T28] kauditd_printk_skb: 50 callbacks suppressed [ 14.116783][ T28] audit: type=1400 audit(1712188178.056:61): avc: denied { transition } for pid=226 comm="sshd" path="/bin/sh" dev="sda1" ino=89 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.124369][ T28] audit: type=1400 audit(1712188178.066:62): avc: denied { noatsecure } for pid=226 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.131032][ T28] audit: type=1400 audit(1712188178.066:63): avc: denied { write } for pid=226 comm="sh" path="pipe:[13036]" dev="pipefs" ino=13036 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 14.141251][ T28] audit: type=1400 audit(1712188178.066:64): avc: denied { rlimitinh } for pid=226 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.159827][ T28] audit: type=1400 audit(1712188178.066:65): avc: denied { siginh } for pid=226 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.0.75' (ED25519) to the list of known hosts. execve("./syz-executor3049042641", ["./syz-executor3049042641"], 0x7ffd06375d10 /* 10 vars */) = 0 brk(NULL) = 0x5555573de000 brk(0x5555573ded00) = 0x5555573ded00 arch_prctl(ARCH_SET_FS, 0x5555573de380) = 0 set_tid_address(0x5555573de650) = 295 set_robust_list(0x5555573de660, 24) = 0 rseq(0x5555573deca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3049042641", 4096) = 28 getrandom("\xcd\x23\x60\x05\x44\x60\x6d\x05", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555573ded00 brk(0x5555573ffd00) = 0x5555573ffd00 brk(0x555557400000) = 0x555557400000 mprotect(0x7fb774539000, 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=0x5555573de650) = 296 ./strace-static-x86_64: Process 296 attached [pid 296] set_robust_list(0x5555573de660, 24) = 0 [pid 296] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 296] setsid() = 1 [pid 296] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 296] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 296] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 296] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 296] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 296] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 296] unshare(CLONE_NEWNS) = 0 [pid 296] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 296] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 296] unshare(CLONE_NEWCGROUP) = 0 [pid 296] unshare(CLONE_NEWUTS) = 0 [pid 296] unshare(CLONE_SYSVSEM) = 0 [pid 296] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 296] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 296] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 296] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 296] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 296] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 296] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 296] getpid() = 1 [pid 296] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 0f 1f 00 55 48 89 e5 41 56 53 48 89 fb e8 f1 d3 ac ff 4c 8d [ 23.714871][ T296] RSP: 0018:ffffc90000e37a58 EFLAGS: 00010293 [ 23.720771][ T296] RAX: ffffffff81c888cb RBX: ffff88811f11e360 RCX: ffff888109638000 [ 23.728582][ T296] RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000 [ 23.736403][ T296] RBP: ffffc90000e37ac0 R08: ffffffff81c8825f R09: 0000000000000003 [ 23.744201][ T296] R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff88811f122110 [ 23.752015][ T296] R13: 1ffff11023e24422 R14: ffff888100558168 R15: dffffc0000000000 [ 23.759828][ T296] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 23.768594][ T296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.775011][ T296] CR2: 0000555b9d759068 CR3: 000000010e9cc000 CR4: 00000000003506a0 [ 23.782831][ T296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.790635][ T296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.798453][ T296] Call Trace: [ 23.801573][ T296] [ 23.804350][ T296] ? __die_body+0x62/0xb0 [ 23.808521][ T296] ? die+0x88/0xb0 [ 23.812078][ T296] ? do_trap+0x103/0x330 [ 23.816162][ T296] ? may_delete+0x6eb/0x6f0 [ 23.820680][ T296] ? handle_invalid_op+0x95/0xc0 [ 23.825538][ T296] ? may_delete+0x6eb/0x6f0 [ 23.829884][ T296] ? exc_invalid_op+0x32/0x50 [ 23.834396][ T296] ? asm_exc_invalid_op+0x1b/0x20 [ 23.839254][ T296] ? may_delete+0x7f/0x6f0 [ 23.843507][ T296] ? may_delete+0x6eb/0x6f0 [ 23.847845][ T296] ? may_delete+0x6eb/0x6f0 [ 23.852329][ T296] ? may_delete+0x6eb/0x6f0 [ 23.856737][ T296] vfs_rmdir+0x32/0x500 [ 23.860737][ T296] ? generic_shutdown_super+0x2b8/0x370 [ 23.866110][ T296] incfs_kill_sb+0x113/0x230 [ 23.870534][ T296] deactivate_locked_super+0xad/0x110 [ 23.875758][ T296] deactivate_super+0xbe/0xf0 [ 23.880257][ T296] cleanup_mnt+0x485/0x510 [ 23.884517][ T296] __cleanup_mnt+0x19/0x20 [ 23.888761][ T296] task_work_run+0x24d/0x2e0 [ 23.893188][ T296] ? kmem_cache_free+0x291/0x510 [ 23.897962][ T296] ? task_work_cancel+0x2b0/0x2b0 [ 23.902824][ T296] ? free_nsproxy+0x20d/0x260 [ 23.907350][ T296] ? exit_task_namespaces+0xb4/0xd0 [ 23.912370][ T296] do_exit+0xbd5/0x2b80 [ 23.916364][ T296] ? put_task_struct+0x80/0x80 [ 23.920960][ T296] ? __kasan_check_write+0x14/0x20 [ 23.925908][ T296] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 23.930856][ T296] ? _raw_spin_lock_irqsave+0x210/0x210 [ 23.936242][ T296] ? zap_other_threads+0x29c/0x2d0 [ 23.941186][ T296] do_group_exit+0x21a/0x2d0 [ 23.945614][ T296] __x64_sys_exit_group+0x3f/0x40 [ 23.950470][ T296] do_syscall_64+0x3d/0xb0 [ 23.954732][ T296] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 23.960546][ T296] RIP: 0033:0x7fb7744c2ac9 [ 23.964797][ T296] Code: Unable to access opcode bytes at 0x7fb7744c2a9f. [ 23.971657][ T296] RSP: 002b:00007ffc49ab3cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 23.979894][ T296] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb7744c2ac9 [ 23.987701][ T296] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 23.995533][ T296] RBP: 00007fb77453f370 R08: ffffffffffffffb8 R09: 00007ffc49ab3dd0 [ 24.003331][ T296] R10: 0000000000000e01 R11: 0000000000000246 R12: 00007fb77453f370 [ 24.011231][ T296] R13: 0000000000000000 R14: 00007fb7745400e0 R15: 00007fb774490d80 [ 24.019043][ T296] [ 24.021908][ T296] Modules linked in: [ 24.026090][ T296] ---[ end trace 0000000000000000 ]--- [ 24.031396][ T296] RIP: 0010:may_delete+0x6eb/0x6f0 [ 24.036313][ T296] Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 7f fe ff ff 4c 89 e7 e8 46 af f3 ff e9 72 fe ff ff e8 0c d4 ac ff 0f 0b e8 05 d4 ac ff <0f> 0b 0f 1f 00 55 48 89 e5 41 56 53 48 89 fb e8 f1 d3 ac ff 4c 8d [ 24.055816][ T296] RSP: 0018:ffffc90000e37a58 EFLAGS: 00010293 [ 24.061764][ T296] RAX: ffffffff81c888cb RBX: ffff88811f11e360 RCX: ffff888109638000 [ 24.069532][ T296] RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000 [ 24.077294][ T296] RBP: ffffc90000e37ac0 R08: ffffffff81c8825f R09: 0000000000000003 [ 24.085139][ T296] R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff88811f122110 [ 24.092931][ T296] R13: 1ffff11023e24422 R14: ffff888100558168 R15: dffffc0000000000 [ 24.100756][ T296] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 24.109492][ T296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.115983][ T296] CR2: 0000555b9d759068 CR3: 000000010e85a000 CR4: 00000000003506a0 [ 24.123858][ T296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.131902][ T296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.139844][ T296] Kernel panic - not syncing: Fatal exception [ 24.146040][ T296] Kernel Offset: disabled [ 24.150173][ T296] Rebooting in 86400 seconds..