./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3247219835 <...> Warning: Permanently added '10.128.1.158' (ED25519) to the list of known hosts. execve("./syz-executor3247219835", ["./syz-executor3247219835"], 0x7ffd34048020 /* 10 vars */) = 0 brk(NULL) = 0x555566e25000 brk(0x555566e25d00) = 0x555566e25d00 arch_prctl(ARCH_SET_FS, 0x555566e25380) = 0 set_tid_address(0x555566e25650) = 5830 set_robust_list(0x555566e25660, 24) = 0 rseq(0x555566e25ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3247219835", 4096) = 28 getrandom("\xa3\xb8\x7e\x3a\xee\xea\x4e\xe8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555566e25d00 brk(0x555566e46d00) = 0x555566e46d00 brk(0x555566e47000) = 0x555566e47000 mprotect(0x7ff1aa722000, 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 5831 attached [pid 5831] set_robust_list(0x555566e25660, 24 [pid 5830] <... clone resumed>, child_tidptr=0x555566e25650) = 5831 [pid 5831] <... set_robust_list resumed>) = 0 [pid 5831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5831] getppid() = 0 [pid 5831] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5831] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5831] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5831] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5831] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5831] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5831] unshare(CLONE_NEWNS) = 0 [pid 5831] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5831] unshare(CLONE_NEWIPC) = 0 [pid 5831] unshare(CLONE_NEWCGROUP) = 0 [pid 5831] unshare(CLONE_NEWUTS) = 0 [pid 5831] unshare(CLONE_SYSVSEM) = 0 [pid 5831] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5831] write(3, "16777216", 8) = 8 [pid 5831] close(3) = 0 [pid 5831] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5831] write(3, "536870912", 9) = 9 [pid 5831] close(3) = 0 [pid 5831] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5831] write(3, "1024", 4) = 4 [pid 5831] close(3) = 0 [pid 5831] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5831] write(3, "8192", 4) = 4 [pid 5831] close(3) = 0 [pid 5831] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5831] write(3, "1024", 4) = 4 [pid 5831] close(3) = 0 [pid 5831] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5831] write(3, "1024", 4) = 4 [pid 5831] close(3) = 0 [pid 5831] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5831] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5831] close(3) = 0 [pid 5831] getpid() = 1 [pid 5831] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 63.862514][ T5831] RSP: 0018:ffffc90003957b80 EFLAGS: 00010246 [ 63.868674][ T5831] RAX: 000000000000002f RBX: ffffffff8ee531e0 RCX: 22787c4ae5294900 [ 63.876643][ T5831] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 63.884606][ T5831] RBP: 1ffff1100693c0f0 R08: ffffffff8174a12c R09: 1ffff110170e519a [ 63.892574][ T5831] R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff8880349e0668 [ 63.900543][ T5831] R13: dffffc0000000000 R14: ffffffff8c49f858 R15: ffff8880349e0780 [ 63.908523][ T5831] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 63.917478][ T5831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.924082][ T5831] CR2: 00007ff1aa726130 CR3: 000000000e734000 CR4: 00000000003526f0 [ 63.932081][ T5831] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.940062][ T5831] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.948033][ T5831] Call Trace: [ 63.951309][ T5831] [ 63.954278][ T5831] ? __die_body+0x5f/0xb0 [ 63.958621][ T5831] ? die+0x9e/0xc0 [ 63.962359][ T5831] ? do_trap+0x15a/0x3a0 [ 63.966612][ T5831] ? generic_shutdown_super+0x2ca/0x2d0 [ 63.972169][ T5831] ? do_error_trap+0x1dc/0x2c0 [ 63.976943][ T5831] ? generic_shutdown_super+0x2ca/0x2d0 [ 63.982515][ T5831] ? __pfx_do_error_trap+0x10/0x10 [ 63.987625][ T5831] ? report_bug+0x3e8/0x500 [ 63.992138][ T5831] ? handle_invalid_op+0x34/0x40 [ 63.997074][ T5831] ? generic_shutdown_super+0x2ca/0x2d0 [ 64.002614][ T5831] ? exc_invalid_op+0x38/0x50 [ 64.007289][ T5831] ? asm_exc_invalid_op+0x1a/0x20 [ 64.012314][ T5831] ? __wake_up_klogd+0xcc/0x110 [ 64.017160][ T5831] ? generic_shutdown_super+0x2ca/0x2d0 [ 64.022715][ T5831] kill_block_super+0x44/0x90 [ 64.027399][ T5831] deactivate_locked_super+0xc4/0x130 [ 64.032767][ T5831] cleanup_mnt+0x41f/0x4b0 [ 64.037210][ T5831] ? lockdep_hardirqs_on+0x99/0x150 [ 64.042411][ T5831] task_work_run+0x24f/0x310 [ 64.046997][ T5831] ? kasan_quarantine_put+0xdc/0x230 [ 64.052294][ T5831] ? __pfx_task_work_run+0x10/0x10 [ 64.057404][ T5831] ? do_exit+0xa2a/0x28e0 [ 64.061748][ T5831] ? kmem_cache_free+0x1a2/0x420 [ 64.066680][ T5831] ? do_exit+0xa2a/0x28e0 [ 64.071033][ T5831] do_exit+0xa2f/0x28e0 [ 64.075185][ T5831] ? __pfx_do_exit+0x10/0x10 [ 64.079774][ T5831] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 64.085757][ T5831] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 64.092084][ T5831] ? _raw_spin_unlock_irq+0x23/0x50 [ 64.097301][ T5831] ? lockdep_hardirqs_on+0x99/0x150 [ 64.102516][ T5831] do_group_exit+0x207/0x2c0 [ 64.107217][ T5831] __x64_sys_exit_group+0x3f/0x40 [ 64.112329][ T5831] x64_sys_call+0x2634/0x2640 [ 64.117001][ T5831] do_syscall_64+0xf3/0x230 [ 64.121499][ T5831] ? clear_bhb_loop+0x35/0x90 [ 64.126205][ T5831] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 64.132094][ T5831] RIP: 0033:0x7ff1aa6a7a89 [ 64.136512][ T5831] Code: Unable to access opcode bytes at 0x7ff1aa6a7a5f. [ 64.143518][ T5831] RSP: 002b:00007fff4ede7cb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 64.151927][ T5831] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff1aa6a7a89 [ 64.160001][ T5831] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 64.167986][ T5831] RBP: 00007ff1aa7282b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 64.175956][ T5831] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff1aa7282b0 [ 64.183922][ T5831] R13: 0000000000000000 R14: 00007ff1aa729020 R15: 00007ff1aa675fc0 [ 64.191896][ T5831] [ 64.194906][ T5831] Modules linked in: [ 64.199163][ T5831] ---[ end trace 0000000000000000 ]--- [ 64.204954][ T5831] RIP: 0010:generic_shutdown_super+0x2ca/0x2d0 [ 64.211773][ T5831] Code: 1b 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 f9 23 ed ff 48 8b 13 48 c7 c7 c0 bf 18 8c 4c 89 e6 e8 87 3f ad 09 90 <0f> 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 64.231599][ T5831] RSP: 0018:ffffc90003957b80 EFLAGS: 00010246 [ 64.237779][ T5831] RAX: 000000000000002f RBX: ffffffff8ee531e0 RCX: 22787c4ae5294900 [ 64.245787][ T5831] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 64.253852][ T5831] RBP: 1ffff1100693c0f0 R08: ffffffff8174a12c R09: 1ffff110170e519a [ 64.261880][ T5831] R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff8880349e0668 [ 64.270495][ T5831] R13: dffffc0000000000 R14: ffffffff8c49f858 R15: ffff8880349e0780 [ 64.278526][ T5831] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 64.287533][ T5831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.294140][ T5831] CR2: 00007f7c2deb8580 CR3: 000000000e734000 CR4: 00000000003526f0 [ 64.302186][ T5831] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.310291][ T5831] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.318466][ T5831] Kernel panic - not syncing: Fatal exception [ 64.324782][ T5831] Kernel Offset: disabled [ 64.329096][ T5831] Rebooting in 86400 seconds..