./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3229737482 <...> Warning: Permanently added '10.128.1.126' (ED25519) to the list of known hosts. execve("./syz-executor3229737482", ["./syz-executor3229737482"], 0x7ffcfcc94260 /* 10 vars */) = 0 brk(NULL) = 0x5555881d4000 brk(0x5555881d4d00) = 0x5555881d4d00 arch_prctl(ARCH_SET_FS, 0x5555881d4380) = 0 set_tid_address(0x5555881d4650) = 5832 set_robust_list(0x5555881d4660, 24) = 0 rseq(0x5555881d4ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3229737482", 4096) = 28 getrandom("\x5d\xea\x0c\x10\x36\x5c\x9f\x77", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555881d4d00 brk(0x5555881f5d00) = 0x5555881f5d00 brk(0x5555881f6000) = 0x5555881f6000 mprotect(0x7ff1f4d54000, 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 5833 attached [pid 5833] set_robust_list(0x5555881d4660, 24 [pid 5832] <... clone resumed>, child_tidptr=0x5555881d4650) = 5833 [pid 5833] <... set_robust_list resumed>) = 0 [pid 5833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5833] getppid() = 0 [pid 5833] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5833] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5833] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5833] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5833] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5833] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5833] unshare(CLONE_NEWNS) = 0 [pid 5833] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5833] unshare(CLONE_NEWIPC) = 0 [pid 5833] unshare(CLONE_NEWCGROUP) = 0 [pid 5833] unshare(CLONE_NEWUTS) = 0 [pid 5833] unshare(CLONE_SYSVSEM) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "16777216", 8) = 8 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "536870912", 9) = 9 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1024", 4) = 4 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "8192", 4) = 4 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1024", 4) = 4 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1024", 4) = 4 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5833] close(3) = 0 [pid 5833] getpid() = 1 [pid 5833] 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 [ 79.475919][ T5833] RSP: 0018:ffffc90003c97b80 EFLAGS: 00010246 [ 79.482326][ T5833] RAX: 000000000000002f RBX: ffffffff8ee531e0 RCX: 5251c42228616900 [ 79.490426][ T5833] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 79.498590][ T5833] RBP: 1ffff1100f5f10f0 R08: ffffffff8174a12c R09: fffffbfff1cf9fd0 [ 79.506577][ T5833] R10: dffffc0000000000 R11: fffffbfff1cf9fd0 R12: ffff88807af88668 [ 79.514590][ T5833] R13: dffffc0000000000 R14: ffffffff8c49f858 R15: ffff88807af88780 [ 79.523461][ T5833] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 79.532511][ T5833] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.539111][ T5833] CR2: 00007ff1ed7ff000 CR3: 000000000e734000 CR4: 00000000003526f0 [ 79.547186][ T5833] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.555182][ T5833] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.563194][ T5833] Call Trace: [ 79.566481][ T5833] [ 79.569421][ T5833] ? __die_body+0x5f/0xb0 [ 79.573775][ T5833] ? die+0x9e/0xc0 [ 79.577506][ T5833] ? do_trap+0x15a/0x3a0 [ 79.581766][ T5833] ? generic_shutdown_super+0x2ca/0x2d0 [ 79.587413][ T5833] ? do_error_trap+0x1dc/0x2c0 [ 79.592322][ T5833] ? generic_shutdown_super+0x2ca/0x2d0 [ 79.598654][ T5833] ? __pfx_do_error_trap+0x10/0x10 [ 79.605277][ T5833] ? report_bug+0x3e8/0x500 [ 79.610842][ T5833] ? handle_invalid_op+0x34/0x40 [ 79.616390][ T5833] ? generic_shutdown_super+0x2ca/0x2d0 [ 79.622667][ T5833] ? exc_invalid_op+0x38/0x50 [ 79.627852][ T5833] ? asm_exc_invalid_op+0x1a/0x20 [ 79.633113][ T5833] ? __wake_up_klogd+0xcc/0x110 [ 79.638575][ T5833] ? generic_shutdown_super+0x2ca/0x2d0 [ 79.644771][ T5833] kill_block_super+0x44/0x90 [ 79.649506][ T5833] deactivate_locked_super+0xc4/0x130 [ 79.655179][ T5833] cleanup_mnt+0x41f/0x4b0 [ 79.660431][ T5833] ? lockdep_hardirqs_on+0x99/0x150 [ 79.665804][ T5833] task_work_run+0x24f/0x310 [ 79.671036][ T5833] ? kasan_quarantine_put+0xdc/0x230 [ 79.676443][ T5833] ? __pfx_task_work_run+0x10/0x10 [ 79.681968][ T5833] ? do_exit+0xa2a/0x28e0 [ 79.686422][ T5833] ? kmem_cache_free+0x1a2/0x420 [ 79.691383][ T5833] ? do_exit+0xa2a/0x28e0 [ 79.695815][ T5833] do_exit+0xa2f/0x28e0 [ 79.700010][ T5833] ? __pfx_do_exit+0x10/0x10 [ 79.704610][ T5833] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 79.710610][ T5833] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 79.716964][ T5833] ? _raw_spin_unlock_irq+0x23/0x50 [ 79.722189][ T5833] ? lockdep_hardirqs_on+0x99/0x150 [ 79.727416][ T5833] do_group_exit+0x207/0x2c0 [ 79.732072][ T5833] __x64_sys_exit_group+0x3f/0x40 [ 79.737124][ T5833] x64_sys_call+0x2634/0x2640 [ 79.741824][ T5833] do_syscall_64+0xf3/0x230 [ 79.746343][ T5833] ? clear_bhb_loop+0x35/0x90 [ 79.751036][ T5833] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 79.757030][ T5833] RIP: 0033:0x7ff1f4cd9a89 [ 79.761558][ T5833] Code: Unable to access opcode bytes at 0x7ff1f4cd9a5f. [ 79.768574][ T5833] RSP: 002b:00007ffd5f2abc68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 79.777011][ T5833] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff1f4cd9a89 [ 79.785089][ T5833] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 79.793156][ T5833] RBP: 00007ff1f4d5a2b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 79.801258][ T5833] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff1f4d5a2b0 [ 79.809243][ T5833] R13: 0000000000000000 R14: 00007ff1f4d5b020 R15: 00007ff1f4ca7fb0 [ 79.817239][ T5833] [ 79.820265][ T5833] Modules linked in: [ 79.824477][ T5833] ---[ end trace 0000000000000000 ]--- [ 79.830293][ T5833] RIP: 0010:generic_shutdown_super+0x2ca/0x2d0 [ 79.836603][ T5833] 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 [ 79.856562][ T5833] RSP: 0018:ffffc90003c97b80 EFLAGS: 00010246 [ 79.862791][ T5833] RAX: 000000000000002f RBX: ffffffff8ee531e0 RCX: 5251c42228616900 [ 79.870955][ T5833] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 79.879258][ T5833] RBP: 1ffff1100f5f10f0 R08: ffffffff8174a12c R09: fffffbfff1cf9fd0 [ 79.887360][ T5833] R10: dffffc0000000000 R11: fffffbfff1cf9fd0 R12: ffff88807af88668 [ 79.895474][ T5833] R13: dffffc0000000000 R14: ffffffff8c49f858 R15: ffff88807af88780 [ 79.903731][ T5833] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 79.912739][ T5833] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.919407][ T5833] CR2: 00007ff1ed7ff000 CR3: 000000000e734000 CR4: 00000000003526f0 [ 79.927413][ T5833] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.935521][ T5833] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.943583][ T5833] Kernel panic - not syncing: Fatal exception [ 79.949863][ T5833] Kernel Offset: disabled [ 79.954384][ T5833] Rebooting in 86400 seconds..