./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2540161961 <...> Warning: Permanently added '10.128.1.11' (ED25519) to the list of known hosts. execve("./syz-executor2540161961", ["./syz-executor2540161961"], 0x7ffe8e391060 /* 10 vars */) = 0 brk(NULL) = 0x55555a820000 brk(0x55555a820d00) = 0x55555a820d00 arch_prctl(ARCH_SET_FS, 0x55555a820380) = 0 set_tid_address(0x55555a820650) = 5219 set_robust_list(0x55555a820660, 24) = 0 rseq(0x55555a820ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2540161961", 4096) = 28 getrandom("\xf1\x5e\xc5\xd4\x64\x24\x61\x7d", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555a820d00 brk(0x55555a841d00) = 0x55555a841d00 brk(0x55555a842000) = 0x55555a842000 mprotect(0x7f97eb18c000, 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=0x55555a820650) = 5220 ./strace-static-x86_64: Process 5220 attached [pid 5220] set_robust_list(0x55555a820660, 24) = 0 [pid 5220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5220] setsid() = 1 [pid 5220] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5220] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5220] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5220] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5220] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5220] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5220] unshare(CLONE_NEWNS) = 0 [pid 5220] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5220] unshare(CLONE_NEWIPC) = 0 [pid 5220] unshare(CLONE_NEWCGROUP) = 0 [pid 5220] unshare(CLONE_NEWUTS) = 0 [pid 5220] unshare(CLONE_SYSVSEM) = 0 [pid 5220] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5220] write(3, "16777216", 8) = 8 [pid 5220] close(3) = 0 [pid 5220] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5220] write(3, "536870912", 9) = 9 [pid 5220] close(3) = 0 [pid 5220] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5220] write(3, "1024", 4) = 4 [pid 5220] close(3) = 0 [pid 5220] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5220] write(3, "8192", 4) = 4 [pid 5220] close(3) = 0 [pid 5220] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5220] write(3, "1024", 4) = 4 [pid 5220] close(3) = 0 [pid 5220] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5220] write(3, "1024", 4) = 4 [pid 5220] close(3) = 0 [pid 5220] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5220] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5220] close(3) = 0 [pid 5220] getpid() = 1 [pid 5220] 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 [ 58.919159][ T5220] RSP: 0018:ffffc9000355fb80 EFLAGS: 00010246 [ 58.925256][ T5220] RAX: 000000000000002f RBX: ffffffff8ee52bc0 RCX: 15b3d0c8435a2100 [ 58.933221][ T5220] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 58.941182][ T5220] RBP: 1ffff110024758f0 R08: ffffffff81749f3c R09: fffffbfff1cf9fe0 [ 58.949145][ T5220] R10: dffffc0000000000 R11: fffffbfff1cf9fe0 R12: ffff8880123ac668 [ 58.957108][ T5220] R13: dffffc0000000000 R14: ffffffff8c49f358 R15: ffff8880123ac780 [ 58.965070][ T5220] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 58.974000][ T5220] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.980597][ T5220] CR2: 000055e3eb327088 CR3: 000000000e734000 CR4: 00000000003526f0 [ 58.988563][ T5220] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.996527][ T5220] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.004506][ T5220] Call Trace: [ 59.007788][ T5220] [ 59.010713][ T5220] ? __die_body+0x5f/0xb0 [ 59.015047][ T5220] ? die+0x9e/0xc0 [ 59.018767][ T5220] ? do_trap+0x15a/0x3a0 [ 59.023010][ T5220] ? generic_shutdown_super+0x2ca/0x2d0 [ 59.028556][ T5220] ? do_error_trap+0x1dc/0x2c0 [ 59.033318][ T5220] ? generic_shutdown_super+0x2ca/0x2d0 [ 59.038857][ T5220] ? __pfx_do_error_trap+0x10/0x10 [ 59.043961][ T5220] ? report_bug+0x3e8/0x500 [ 59.048476][ T5220] ? handle_invalid_op+0x34/0x40 [ 59.053404][ T5220] ? generic_shutdown_super+0x2ca/0x2d0 [ 59.058939][ T5220] ? exc_invalid_op+0x38/0x50 [ 59.063628][ T5220] ? asm_exc_invalid_op+0x1a/0x20 [ 59.068671][ T5220] ? __wake_up_klogd+0xcc/0x110 [ 59.073531][ T5220] ? generic_shutdown_super+0x2ca/0x2d0 [ 59.079101][ T5220] kill_block_super+0x44/0x90 [ 59.083776][ T5220] deactivate_locked_super+0xc4/0x130 [ 59.089142][ T5220] cleanup_mnt+0x41f/0x4b0 [ 59.093548][ T5220] ? lockdep_hardirqs_on+0x99/0x150 [ 59.098746][ T5220] task_work_run+0x24f/0x310 [ 59.103326][ T5220] ? kasan_quarantine_put+0xdc/0x230 [ 59.108608][ T5220] ? __pfx_task_work_run+0x10/0x10 [ 59.113709][ T5220] ? do_exit+0xa2a/0x28e0 [ 59.118030][ T5220] ? kmem_cache_free+0x1a2/0x420 [ 59.122958][ T5220] ? do_exit+0xa2a/0x28e0 [ 59.127309][ T5220] do_exit+0xa2f/0x28e0 [ 59.131462][ T5220] ? __pfx_do_exit+0x10/0x10 [ 59.136041][ T5220] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 59.142014][ T5220] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 59.148339][ T5220] ? _raw_spin_unlock_irq+0x23/0x50 [ 59.153554][ T5220] ? lockdep_hardirqs_on+0x99/0x150 [ 59.158743][ T5220] do_group_exit+0x207/0x2c0 [ 59.163325][ T5220] __x64_sys_exit_group+0x3f/0x40 [ 59.168339][ T5220] x64_sys_call+0x2634/0x2640 [ 59.173015][ T5220] do_syscall_64+0xf3/0x230 [ 59.177510][ T5220] ? clear_bhb_loop+0x35/0x90 [ 59.182179][ T5220] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.188069][ T5220] RIP: 0033:0x7f97eb111b09 [ 59.192512][ T5220] Code: Unable to access opcode bytes at 0x7f97eb111adf. [ 59.199615][ T5220] RSP: 002b:00007ffc113886e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 59.208031][ T5220] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f97eb111b09 [ 59.216003][ T5220] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 59.223971][ T5220] RBP: 00007f97eb1922b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 59.231933][ T5220] R10: 00007ffc11388610 R11: 0000000000000246 R12: 00007f97eb1922b0 [ 59.239895][ T5220] R13: 0000000000000000 R14: 00007f97eb193020 R15: 00007f97eb0e0050 [ 59.247869][ T5220] [ 59.250912][ T5220] Modules linked in: [ 59.255074][ T5220] ---[ end trace 0000000000000000 ]--- [ 59.260862][ T5220] RIP: 0010:generic_shutdown_super+0x2ca/0x2d0 [ 59.267041][ T5220] 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 [ 59.286992][ T5220] RSP: 0018:ffffc9000355fb80 EFLAGS: 00010246 [ 59.293174][ T5220] RAX: 000000000000002f RBX: ffffffff8ee52bc0 RCX: 15b3d0c8435a2100 [ 59.301230][ T5220] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 59.309272][ T5220] RBP: 1ffff110024758f0 R08: ffffffff81749f3c R09: fffffbfff1cf9fe0 [ 59.317263][ T5220] R10: dffffc0000000000 R11: fffffbfff1cf9fe0 R12: ffff8880123ac668 [ 59.325292][ T5220] R13: dffffc0000000000 R14: ffffffff8c49f358 R15: ffff8880123ac780 [ 59.333356][ T5220] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 59.342371][ T5220] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.349031][ T5220] CR2: 000055e3eb327088 CR3: 000000002e096000 CR4: 00000000003526f0 [ 59.357030][ T5220] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.365082][ T5220] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.373111][ T5220] Kernel panic - not syncing: Fatal exception [ 59.379437][ T5220] Kernel Offset: disabled [ 59.383767][ T5220] Rebooting in 86400 seconds..