./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3967428740 <...> Warning: Permanently added '10.128.0.205' (ED25519) to the list of known hosts. execve("./syz-executor3967428740", ["./syz-executor3967428740"], 0x7ffdebe0de60 /* 10 vars */) = 0 brk(NULL) = 0x55556679b000 brk(0x55556679bd00) = 0x55556679bd00 arch_prctl(ARCH_SET_FS, 0x55556679b380) = 0 set_tid_address(0x55556679b650) = 5826 set_robust_list(0x55556679b660, 24) = 0 rseq(0x55556679bca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3967428740", 4096) = 28 getrandom("\x5a\x3b\x26\x28\xea\xd8\x9b\x0a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556679bd00 brk(0x5555667bcd00) = 0x5555667bcd00 brk(0x5555667bd000) = 0x5555667bd000 mprotect(0x7efe75a32000, 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 5827 attached [pid 5827] set_robust_list(0x55556679b660, 24 [pid 5826] <... clone resumed>, child_tidptr=0x55556679b650) = 5827 [pid 5827] <... set_robust_list resumed>) = 0 [pid 5827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5827] getppid() = 0 [pid 5827] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5827] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5827] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5827] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5827] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5827] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5827] unshare(CLONE_NEWNS) = 0 [pid 5827] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5827] unshare(CLONE_NEWIPC) = 0 [pid 5827] unshare(CLONE_NEWCGROUP) = 0 [pid 5827] unshare(CLONE_NEWUTS) = 0 [pid 5827] unshare(CLONE_SYSVSEM) = 0 [pid 5827] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5827] write(3, "16777216", 8) = 8 [pid 5827] close(3) = 0 [pid 5827] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5827] write(3, "536870912", 9) = 9 [pid 5827] close(3) = 0 [pid 5827] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5827] write(3, "1024", 4) = 4 [pid 5827] close(3) = 0 [pid 5827] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5827] write(3, "8192", 4) = 4 [pid 5827] close(3) = 0 [pid 5827] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5827] write(3, "1024", 4) = 4 [pid 5827] close(3) = 0 [pid 5827] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5827] write(3, "1024", 4) = 4 [pid 5827] close(3) = 0 [pid 5827] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5827] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5827] close(3) = 0 [pid 5827] getpid() = 1 [pid 5827] 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 [ 60.757737][ T5827] RSP: 0018:ffffc90003e0fb80 EFLAGS: 00010246 [ 60.763786][ T5827] RAX: 000000000000002f RBX: ffffffff8ee531e0 RCX: dce7ed14282d0d00 [ 60.771740][ T5827] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 60.779690][ T5827] RBP: 1ffff1100fb7c4f0 R08: ffffffff8174b0dc R09: 1ffff110170e519a [ 60.787648][ T5827] R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff88807dbe2668 [ 60.795601][ T5827] R13: dffffc0000000000 R14: ffffffff8c49f918 R15: ffff88807dbe2780 [ 60.803560][ T5827] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 60.812492][ T5827] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.819065][ T5827] CR2: 00007efe75a36130 CR3: 0000000032c9e000 CR4: 00000000003526f0 [ 60.827025][ T5827] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.834977][ T5827] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.842934][ T5827] Call Trace: [ 60.846203][ T5827] [ 60.849122][ T5827] ? __die_body+0x5f/0xb0 [ 60.853445][ T5827] ? die+0x9e/0xc0 [ 60.857153][ T5827] ? do_trap+0x15a/0x3a0 [ 60.861381][ T5827] ? generic_shutdown_super+0x2ca/0x2d0 [ 60.866912][ T5827] ? do_error_trap+0x1dc/0x2c0 [ 60.871660][ T5827] ? generic_shutdown_super+0x2ca/0x2d0 [ 60.877190][ T5827] ? __pfx_do_error_trap+0x10/0x10 [ 60.882284][ T5827] ? report_bug+0x3e8/0x500 [ 60.886787][ T5827] ? handle_invalid_op+0x34/0x40 [ 60.891706][ T5827] ? generic_shutdown_super+0x2ca/0x2d0 [ 60.897239][ T5827] ? exc_invalid_op+0x38/0x50 [ 60.901902][ T5827] ? asm_exc_invalid_op+0x1a/0x20 [ 60.906928][ T5827] ? __wake_up_klogd+0xcc/0x110 [ 60.911764][ T5827] ? generic_shutdown_super+0x2ca/0x2d0 [ 60.917296][ T5827] kill_block_super+0x44/0x90 [ 60.921959][ T5827] deactivate_locked_super+0xc4/0x130 [ 60.927317][ T5827] cleanup_mnt+0x41f/0x4b0 [ 60.931717][ T5827] ? lockdep_hardirqs_on+0x99/0x150 [ 60.936899][ T5827] task_work_run+0x24f/0x310 [ 60.941470][ T5827] ? kasan_quarantine_put+0xdc/0x230 [ 60.946746][ T5827] ? __pfx_task_work_run+0x10/0x10 [ 60.951863][ T5827] ? do_exit+0xa2a/0x28e0 [ 60.956175][ T5827] ? kmem_cache_free+0x1a2/0x420 [ 60.961095][ T5827] ? do_exit+0xa2a/0x28e0 [ 60.965425][ T5827] do_exit+0xa2f/0x28e0 [ 60.969586][ T5827] ? __pfx_do_exit+0x10/0x10 [ 60.974157][ T5827] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 60.980125][ T5827] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 60.986440][ T5827] ? _raw_spin_unlock_irq+0x23/0x50 [ 60.991623][ T5827] ? lockdep_hardirqs_on+0x99/0x150 [ 60.996807][ T5827] do_group_exit+0x207/0x2c0 [ 61.001381][ T5827] __x64_sys_exit_group+0x3f/0x40 [ 61.006384][ T5827] x64_sys_call+0x2634/0x2640 [ 61.011045][ T5827] do_syscall_64+0xf3/0x230 [ 61.015533][ T5827] ? clear_bhb_loop+0x35/0x90 [ 61.020195][ T5827] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 61.026071][ T5827] RIP: 0033:0x7efe759b7a89 [ 61.030488][ T5827] Code: Unable to access opcode bytes at 0x7efe759b7a5f. [ 61.037490][ T5827] RSP: 002b:00007ffe73524a08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 61.045886][ T5827] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007efe759b7a89 [ 61.053867][ T5827] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 61.061821][ T5827] RBP: 00007efe75a382b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 61.069775][ T5827] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efe75a382b0 [ 61.077729][ T5827] R13: 0000000000000000 R14: 00007efe75a39020 R15: 00007efe75985fc0 [ 61.085688][ T5827] [ 61.088688][ T5827] Modules linked in: [ 61.092887][ T5827] ---[ end trace 0000000000000000 ]--- [ 61.101839][ T5827] RIP: 0010:generic_shutdown_super+0x2ca/0x2d0 [ 61.108107][ T5827] Code: 1b 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 59 1b ed ff 48 8b 13 48 c7 c7 80 c0 18 8c 4c 89 e6 e8 d7 82 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 [ 61.127832][ T5827] RSP: 0018:ffffc90003e0fb80 EFLAGS: 00010246 [ 61.133959][ T5827] RAX: 000000000000002f RBX: ffffffff8ee531e0 RCX: dce7ed14282d0d00 [ 61.142013][ T5827] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 61.150079][ T5827] RBP: 1ffff1100fb7c4f0 R08: ffffffff8174b0dc R09: 1ffff110170e519a [ 61.158150][ T5827] R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff88807dbe2668 [ 61.166175][ T5827] R13: dffffc0000000000 R14: ffffffff8c49f918 R15: ffff88807dbe2780 [ 61.174231][ T5827] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 61.183219][ T5827] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.189906][ T5827] CR2: 00007efe75a36130 CR3: 0000000032c9e000 CR4: 00000000003526f0 [ 61.197924][ T5827] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.205889][ T5827] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.214010][ T5827] Kernel panic - not syncing: Fatal exception [ 61.220351][ T5827] Kernel Offset: disabled [ 61.224665][ T5827] Rebooting in 86400 seconds..