./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor620203813 <...> Warning: Permanently added '10.128.0.202' (ED25519) to the list of known hosts. execve("./syz-executor620203813", ["./syz-executor620203813"], 0x7ffd0fa69ba0 /* 10 vars */) = 0 brk(NULL) = 0x55556934d000 brk(0x55556934dd00) = 0x55556934dd00 arch_prctl(ARCH_SET_FS, 0x55556934d380) = 0 set_tid_address(0x55556934d650) = 5223 set_robust_list(0x55556934d660, 24) = 0 rseq(0x55556934dca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor620203813", 4096) = 27 getrandom("\xa7\x03\x49\x88\x54\xc7\xfc\xc6", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556934dd00 brk(0x55556936ed00) = 0x55556936ed00 brk(0x55556936f000) = 0x55556936f000 mprotect(0x7efe6c749000, 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 5224 attached , child_tidptr=0x55556934d650) = 5224 [pid 5224] set_robust_list(0x55556934d660, 24) = 0 [pid 5224] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5224] setsid() = 1 [pid 5224] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5224] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5224] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5224] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5224] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5224] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5224] unshare(CLONE_NEWNS) = 0 [pid 5224] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5224] unshare(CLONE_NEWIPC) = 0 [pid 5224] unshare(CLONE_NEWCGROUP) = 0 [pid 5224] unshare(CLONE_NEWUTS) = 0 [pid 5224] unshare(CLONE_SYSVSEM) = 0 [pid 5224] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5224] write(3, "16777216", 8) = 8 [pid 5224] close(3) = 0 [pid 5224] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5224] write(3, "536870912", 9) = 9 [pid 5224] close(3) = 0 [pid 5224] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5224] write(3, "1024", 4) = 4 [pid 5224] close(3) = 0 [pid 5224] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5224] write(3, "8192", 4) = 4 [pid 5224] close(3) = 0 [pid 5224] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5224] write(3, "1024", 4) = 4 [pid 5224] close(3) = 0 [pid 5224] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5224] write(3, "1024", 4) = 4 [pid 5224] close(3) = 0 [pid 5224] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5224] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5224] close(3) = 0 [pid 5224] getpid() = 1 [pid 5224] 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 [ 69.602387][ T5224] RSP: 0018:ffffc90002fcfb80 EFLAGS: 00010246 [ 69.608466][ T5224] RAX: 000000000000002f RBX: ffffffff8ee52bc0 RCX: 99d38e9604a9aa00 [ 69.616446][ T5224] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 69.624419][ T5224] RBP: 1ffff11004ececf0 R08: ffffffff81749f3c R09: 1ffff110170c519a [ 69.632400][ T5224] R10: dffffc0000000000 R11: ffffed10170c519b R12: ffff888027676668 [ 69.640404][ T5224] R13: dffffc0000000000 R14: ffffffff8c49f358 R15: ffff888027676780 [ 69.648386][ T5224] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 69.657317][ T5224] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.663905][ T5224] CR2: 000055ebe2465088 CR3: 0000000030bb2000 CR4: 00000000003526f0 [ 69.671892][ T5224] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.679870][ T5224] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.687847][ T5224] Call Trace: [ 69.691132][ T5224] [ 69.694071][ T5224] ? __die_body+0x5f/0xb0 [ 69.698408][ T5224] ? die+0x9e/0xc0 [ 69.702131][ T5224] ? do_trap+0x15a/0x3a0 [ 69.706385][ T5224] ? generic_shutdown_super+0x2ca/0x2d0 [ 69.711944][ T5224] ? do_error_trap+0x1dc/0x2c0 [ 69.716718][ T5224] ? generic_shutdown_super+0x2ca/0x2d0 [ 69.722274][ T5224] ? __pfx_do_error_trap+0x10/0x10 [ 69.727399][ T5224] ? report_bug+0x3e8/0x500 [ 69.731930][ T5224] ? handle_invalid_op+0x34/0x40 [ 69.736881][ T5224] ? generic_shutdown_super+0x2ca/0x2d0 [ 69.742449][ T5224] ? exc_invalid_op+0x38/0x50 [ 69.747166][ T5224] ? asm_exc_invalid_op+0x1a/0x20 [ 69.752208][ T5224] ? __wake_up_klogd+0xcc/0x110 [ 69.757073][ T5224] ? generic_shutdown_super+0x2ca/0x2d0 [ 69.762631][ T5224] kill_block_super+0x44/0x90 [ 69.767320][ T5224] deactivate_locked_super+0xc4/0x130 [ 69.772704][ T5224] cleanup_mnt+0x41f/0x4b0 [ 69.777130][ T5224] ? lockdep_hardirqs_on+0x99/0x150 [ 69.782339][ T5224] task_work_run+0x24f/0x310 [ 69.786946][ T5224] ? kasan_quarantine_put+0xdc/0x230 [ 69.792249][ T5224] ? __pfx_task_work_run+0x10/0x10 [ 69.797376][ T5224] ? do_exit+0xa2a/0x28e0 [ 69.801716][ T5224] ? kmem_cache_free+0x1a2/0x420 [ 69.806666][ T5224] ? do_exit+0xa2a/0x28e0 [ 69.811003][ T5224] do_exit+0xa2f/0x28e0 [ 69.815172][ T5224] ? __pfx_do_exit+0x10/0x10 [ 69.819771][ T5224] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 69.825772][ T5224] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 69.832120][ T5224] ? _raw_spin_unlock_irq+0x23/0x50 [ 69.837337][ T5224] ? lockdep_hardirqs_on+0x99/0x150 [ 69.842570][ T5224] do_group_exit+0x207/0x2c0 [ 69.847174][ T5224] __x64_sys_exit_group+0x3f/0x40 [ 69.852207][ T5224] x64_sys_call+0x2634/0x2640 [ 69.856898][ T5224] do_syscall_64+0xf3/0x230 [ 69.861413][ T5224] ? clear_bhb_loop+0x35/0x90 [ 69.866096][ T5224] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.872007][ T5224] RIP: 0033:0x7efe6c6ceb09 [ 69.876440][ T5224] Code: Unable to access opcode bytes at 0x7efe6c6ceadf. [ 69.883481][ T5224] RSP: 002b:00007ffeb66301c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 69.891900][ T5224] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007efe6c6ceb09 [ 69.899879][ T5224] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 69.907861][ T5224] RBP: 00007efe6c74f2b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 69.915851][ T5224] R10: 00007ffeb66300f0 R11: 0000000000000246 R12: 00007efe6c74f2b0 [ 69.923845][ T5224] R13: 0000000000000000 R14: 00007efe6c750020 R15: 00007efe6c69d050 [ 69.931833][ T5224] [ 69.934852][ T5224] Modules linked in: [ 69.939053][ T5224] ---[ end trace 0000000000000000 ]--- [ 69.946268][ T5224] RIP: 0010:generic_shutdown_super+0x2ca/0x2d0 [ 69.953388][ T5224] Code: 1b 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 59 26 ed ff 48 8b 13 48 c7 c7 00 be 18 8c 4c 89 e6 e8 b7 74 ac 09 90 <0f> 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 69.973111][ T5224] RSP: 0018:ffffc90002fcfb80 EFLAGS: 00010246 [ 69.979230][ T5224] RAX: 000000000000002f RBX: ffffffff8ee52bc0 RCX: 99d38e9604a9aa00 [ 69.987220][ T5224] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 69.995265][ T5224] RBP: 1ffff11004ececf0 R08: ffffffff81749f3c R09: 1ffff110170c519a [ 70.003307][ T5224] R10: dffffc0000000000 R11: ffffed10170c519b R12: ffff888027676668 [ 70.011391][ T5224] R13: dffffc0000000000 R14: ffffffff8c49f358 R15: ffff888027676780 [ 70.019447][ T5224] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 70.028461][ T5224] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.035063][ T5224] CR2: 000055ebe2465088 CR3: 000000000e734000 CR4: 00000000003526f0 [ 70.043182][ T5224] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.052097][ T5224] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.060506][ T5224] Kernel panic - not syncing: Fatal exception [ 70.066864][ T5224] Kernel Offset: disabled [ 70.071190][ T5224] Rebooting in 86400 seconds..