./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3996213873 <...> [ 12.613070][ T24] audit: type=1400 audit(1740246238.630:62): avc: denied { noatsecure } for pid=219 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.615730][ T24] audit: type=1400 audit(1740246238.630:63): avc: denied { write } for pid=219 comm="sh" path="pipe:[13546]" dev="pipefs" ino=13546 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 12.619097][ T24] audit: type=1400 audit(1740246238.630:64): avc: denied { rlimitinh } for pid=219 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.621741][ T24] audit: type=1400 audit(1740246238.630:65): avc: denied { siginh } for pid=219 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.0.219' (ED25519) to the list of known hosts. execve("./syz-executor3996213873", ["./syz-executor3996213873"], 0x7fffae719330 /* 10 vars */) = 0 brk(NULL) = 0x55555bebf000 brk(0x55555bebfd00) = 0x55555bebfd00 arch_prctl(ARCH_SET_FS, 0x55555bebf380) = 0 set_tid_address(0x55555bebf650) = 287 set_robust_list(0x55555bebf660, 24) = 0 rseq(0x55555bebfca0, 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-executor3996213873", 4096) = 28 getrandom("\x94\x2b\x88\xa0\xe4\x96\xd7\x60", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555bebfd00 brk(0x55555bee0d00) = 0x55555bee0d00 brk(0x55555bee1000) = 0x55555bee1000 mprotect(0x7fd50fc29000, 16384, PROT_READ) = 0 mmap(0x3ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3ffffffff000 mmap(0x400000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400000000000 mmap(0x400001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400001000000 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bebf650) = 288 ./strace-static-x86_64: Process 288 attached [pid 288] set_robust_list(0x55555bebf660, 24) = 0 [pid 288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 288] getppid() = 0 [pid 288] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 288] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 288] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 288] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 288] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 288] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 288] unshare(CLONE_NEWNS) = 0 [pid 288] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 288] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 288] unshare(CLONE_NEWCGROUP) = 0 [pid 288] unshare(CLONE_NEWUTS) = 0 [pid 288] unshare(CLONE_SYSVSEM) = 0 [pid 288] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 288] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 288] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 288] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 288] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 288] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 288] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 288] getpid() = 1 [pid 288] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 [ 21.768943][ T288] RSP: 0018:ffffc90000bc7ad8 EFLAGS: 00010293 [ 21.774851][ T288] RAX: ffffffff81b42e35 RBX: ffff88811bba2140 RCX: ffff88810cb84f00 [ 21.782650][ T288] RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000 [ 21.790464][ T288] RBP: ffffc90000bc7b58 R08: ffffffff81b42753 R09: 0000000000000003 [ 21.798281][ T288] R10: fffff52000178f40 R11: dffffc0000000001 R12: 0000000000000001 [ 21.806084][ T288] R13: ffff88810ce3ecc0 R14: ffff88811b800780 R15: dffffc0000000000 [ 21.813905][ T288] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 21.822841][ T288] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.829348][ T288] CR2: 00007fd50fbfd578 CR3: 000000000660f000 CR4: 00000000003506a0 [ 21.837160][ T288] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.844968][ T288] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.852779][ T288] Call Trace: [ 21.855910][ T288] ? __die_body+0x62/0xb0 [ 21.860072][ T288] ? die+0x88/0xb0 [ 21.863629][ T288] ? do_trap+0x1a4/0x310 [ 21.867713][ T288] ? may_delete+0x755/0x760 [ 21.872046][ T288] ? handle_invalid_op+0x95/0xc0 [ 21.876834][ T288] ? may_delete+0x755/0x760 [ 21.881173][ T288] ? exc_invalid_op+0x32/0x50 [ 21.885681][ T288] ? asm_exc_invalid_op+0x12/0x20 [ 21.890545][ T288] ? may_delete+0x73/0x760 [ 21.894788][ T288] ? may_delete+0x755/0x760 [ 21.899131][ T288] ? may_delete+0x755/0x760 [ 21.903468][ T288] ? may_delete+0x755/0x760 [ 21.907824][ T288] vfs_rmdir+0x2c/0x3f0 [ 21.911808][ T288] incfs_kill_sb+0x108/0x220 [ 21.916232][ T288] deactivate_locked_super+0xad/0x110 [ 21.921434][ T288] deactivate_super+0xbe/0xf0 [ 21.925948][ T288] cleanup_mnt+0x45c/0x510 [ 21.930230][ T288] __cleanup_mnt+0x19/0x20 [ 21.934475][ T288] task_work_run+0x129/0x190 [ 21.938885][ T288] do_exit+0xc83/0x2a50 [ 21.942879][ T288] ? put_task_struct+0x80/0x80 [ 21.947490][ T288] ? _raw_spin_unlock_irq+0x4e/0x70 [ 21.952509][ T288] ? ptrace_notify+0x24c/0x350 [ 21.957452][ T288] ? do_notify_parent+0xa10/0xa10 [ 21.962314][ T288] ? debug_smp_processor_id+0x17/0x20 [ 21.967522][ T288] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 21.973422][ T288] do_group_exit+0x141/0x310 [ 21.977852][ T288] __x64_sys_exit_group+0x3f/0x40 [ 21.982710][ T288] do_syscall_64+0x34/0x70 [ 21.986964][ T288] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 21.992692][ T288] RIP: 0033:0x7fd50fbb2fc9 [ 21.996941][ T288] Code: Unable to access opcode bytes at RIP 0x7fd50fbb2f9f. [ 22.004199][ T288] RSP: 002b:00007ffcd98b6c98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 22.012400][ T288] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd50fbb2fc9 [ 22.020215][ T288] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 22.028015][ T288] RBP: 00007fd50fc2f390 R08: ffffffffffffffb8 R09: 0000000000000006 [ 22.035826][ T288] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd50fc2f390 [ 22.043639][ T288] R13: 0000000000000000 R14: 00007fd50fc30100 R15: 00007fd50fb81280 [ 22.051450][ T288] Modules linked in: [ 22.055513][ T288] ---[ end trace 3aefd2439b3bd985 ]--- [ 22.061124][ T288] RIP: 0010:may_delete+0x755/0x760 [ 22.066045][ T288] Code: 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c db fd ff ff 4c 89 ef e8 5c 30 f4 ff e9 ce fd ff ff e8 32 91 b6 ff 0f 0b e8 2b 91 b6 ff <0f> 0b 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 [ 22.085719][ T288] RSP: 0018:ffffc90000bc7ad8 EFLAGS: 00010293 [ 22.091646][ T288] RAX: ffffffff81b42e35 RBX: ffff88811bba2140 RCX: ffff88810cb84f00 [ 22.099422][ T288] RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000 [ 22.107211][ T288] RBP: ffffc90000bc7b58 R08: ffffffff81b42753 R09: 0000000000000003 [ 22.115048][ T288] R10: fffff52000178f40 R11: dffffc0000000001 R12: 0000000000000001 [ 22.122856][ T288] R13: ffff88810ce3ecc0 R14: ffff88811b800780 R15: dffffc0000000000 [ 22.130674][ T288] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 22.139474][ T288] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.145839][ T288] CR2: 00007fd50fbfd578 CR3: 000000010d0bb000 CR4: 00000000003506a0 [ 22.153704][ T288] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.161486][ T288] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.169298][ T288] Kernel panic - not syncing: Fatal exception [ 22.175359][ T288] Kernel Offset: disabled [ 22.179482][ T288] Rebooting in 86400 seconds..