./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1745308401 <...> Warning: Permanently added '10.128.1.146' (ED25519) to the list of known hosts. execve("./syz-executor1745308401", ["./syz-executor1745308401"], 0x7ffe4b2f1bd0 /* 10 vars */) = 0 brk(NULL) = 0x555555e49000 brk(0x555555e49d00) = 0x555555e49d00 arch_prctl(ARCH_SET_FS, 0x555555e49380) = 0 set_tid_address(0x555555e49650) = 302 set_robust_list(0x555555e49660, 24) = 0 rseq(0x555555e49ca0, 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-executor1745308401", 4096) = 28 getrandom("\x0e\xb8\xd0\x4a\x6c\xa6\x0c\x12", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555e49d00 brk(0x555555e6ad00) = 0x555555e6ad00 brk(0x555555e6b000) = 0x555555e6b000 mprotect(0x7ff8dedbd000, 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=0x555555e49650) = 303 ./strace-static-x86_64: Process 303 attached [pid 303] set_robust_list(0x555555e49660, 24) = 0 [pid 303] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 303] setsid() = 1 [pid 303] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 303] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 303] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 303] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 303] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 303] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 303] unshare(CLONE_NEWNS) = 0 [pid 303] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 303] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 303] unshare(CLONE_NEWCGROUP) = 0 [pid 303] unshare(CLONE_NEWUTS) = 0 [pid 303] unshare(CLONE_SYSVSEM) = 0 [pid 303] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 303] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 303] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 303] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 303] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 303] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 303] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 303] getpid() = 1 [pid 303] 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 b1 64 ac ff 4c 8d [ 29.833813][ T303] RSP: 0018:ffffc90000df7a58 EFLAGS: 00010293 [ 29.839704][ T303] RAX: ffffffff81c9210b RBX: ffff88812018e030 RCX: ffff888109591440 [ 29.847518][ T303] RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000 [ 29.855335][ T303] RBP: ffffc90000df7ac0 R08: ffffffff81c91a9f R09: 0000000000000003 [ 29.863141][ T303] R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881200b9220 [ 29.870952][ T303] R13: 1ffff11024017244 R14: ffff888100576858 R15: dffffc0000000000 [ 29.878763][ T303] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 29.887528][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.893949][ T303] CR2: 00005646323ebdf8 CR3: 000000010e77e000 CR4: 00000000003506b0 [ 29.901766][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.909573][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.917384][ T303] Call Trace: [ 29.920509][ T303] [ 29.923286][ T303] ? __die_body+0x62/0xb0 [ 29.927452][ T303] ? die+0x88/0xb0 [ 29.931011][ T303] ? do_trap+0x103/0x330 [ 29.935092][ T303] ? may_delete+0x6eb/0x6f0 [ 29.939430][ T303] ? handle_invalid_op+0x95/0xc0 [ 29.944202][ T303] ? may_delete+0x6eb/0x6f0 [ 29.948543][ T303] ? exc_invalid_op+0x32/0x50 [ 29.953061][ T303] ? asm_exc_invalid_op+0x1b/0x20 [ 29.957918][ T303] ? may_delete+0x7f/0x6f0 [ 29.962168][ T303] ? may_delete+0x6eb/0x6f0 [ 29.966508][ T303] ? may_delete+0x6eb/0x6f0 [ 29.970849][ T303] ? may_delete+0x6eb/0x6f0 [ 29.975191][ T303] vfs_rmdir+0x32/0x500 [ 29.979180][ T303] ? generic_shutdown_super+0x2b8/0x370 [ 29.984560][ T303] incfs_kill_sb+0x113/0x230 [ 29.988992][ T303] deactivate_locked_super+0xad/0x110 [ 29.994197][ T303] deactivate_super+0xbe/0xf0 [ 29.998712][ T303] cleanup_mnt+0x485/0x510 [ 30.002962][ T303] __cleanup_mnt+0x19/0x20 [ 30.007214][ T303] task_work_run+0x24d/0x2e0 [ 30.011639][ T303] ? kmem_cache_free+0x291/0x510 [ 30.016414][ T303] ? task_work_cancel+0x2b0/0x2b0 [ 30.021277][ T303] ? free_nsproxy+0x20d/0x260 [ 30.025787][ T303] ? exit_task_namespaces+0xb4/0xd0 [ 30.030821][ T303] do_exit+0xbd5/0x2b80 [ 30.034815][ T303] ? put_task_struct+0x80/0x80 [ 30.039413][ T303] ? __kasan_check_write+0x14/0x20 [ 30.044360][ T303] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 30.049306][ T303] ? _raw_spin_lock_irqsave+0x210/0x210 [ 30.054700][ T303] ? zap_other_threads+0x29c/0x2d0 [ 30.059639][ T303] do_group_exit+0x21a/0x2d0 [ 30.064065][ T303] __x64_sys_exit_group+0x3f/0x40 [ 30.068925][ T303] do_syscall_64+0x3d/0xb0 [ 30.073175][ T303] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 30.078904][ T303] RIP: 0033:0x7ff8ded46e09 [ 30.083159][ T303] Code: Unable to access opcode bytes at 0x7ff8ded46ddf. [ 30.090012][ T303] RSP: 002b:00007ffefcc08de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 30.098257][ T303] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff8ded46e09 [ 30.106070][ T303] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 30.113882][ T303] RBP: 00007ff8dedc3370 R08: ffffffffffffffb8 R09: 0000000000000006 [ 30.121690][ T303] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff8dedc3370 [ 30.129588][ T303] R13: 0000000000000000 R14: 00007ff8dedc40e0 R15: 00007ff8ded150d0 [ 30.137403][ T303] [ 30.140270][ T303] Modules linked in: [ 30.144175][ T303] ---[ end trace 0000000000000000 ]--- [ 30.149606][ T303] RIP: 0010:may_delete+0x6eb/0x6f0 [ 30.154551][ T303] Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 7f fe ff ff 4c 89 e7 e8 66 71 f3 ff e9 72 fe ff ff e8 cc 64 ac ff 0f 0b e8 c5 64 ac ff <0f> 0b 0f 1f 00 55 48 89 e5 41 56 53 48 89 fb e8 b1 64 ac ff 4c 8d [ 30.174037][ T303] RSP: 0018:ffffc90000df7a58 EFLAGS: 00010293 [ 30.179918][ T303] RAX: ffffffff81c9210b RBX: ffff88812018e030 RCX: ffff888109591440 [ 30.187691][ T303] RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000 [ 30.195526][ T303] RBP: ffffc90000df7ac0 R08: ffffffff81c91a9f R09: 0000000000000003 [ 30.203345][ T303] R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881200b9220 [ 30.211158][ T303] R13: 1ffff11024017244 R14: ffff888100576858 R15: dffffc0000000000 [ 30.218970][ T303] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 30.227722][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.234152][ T303] CR2: 00005646323ebdf8 CR3: 000000010e77e000 CR4: 00000000003506b0 [ 30.241972][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.249774][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.257560][ T303] Kernel panic - not syncing: Fatal exception [ 30.263763][ T303] Kernel Offset: disabled [ 30.267889][ T303] Rebooting in 86400 seconds..