./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1221936783 <...> Warning: Permanently added '10.128.0.118' (ECDSA) to the list of known hosts. execve("./syz-executor1221936783", ["./syz-executor1221936783"], 0x7fff89e79710 /* 10 vars */) = 0 brk(NULL) = 0x555556d4f000 brk(0x555556d4fc40) = 0x555556d4fc40 arch_prctl(ARCH_SET_FS, 0x555556d4f300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1221936783", 4096) = 28 brk(0x555556d70c40) = 0x555556d70c40 brk(0x555556d71000) = 0x555556d71000 mprotect(0x7f307f41d000, 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 3604 attached , child_tidptr=0x555556d4f5d0) = 3604 [pid 3604] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3604] setsid() = 1 [pid 3604] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3604] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3604] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3604] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3604] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3604] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3604] unshare(CLONE_NEWNS) = 0 [pid 3604] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3604] unshare(CLONE_NEWIPC) = 0 [pid 3604] unshare(CLONE_NEWCGROUP) = 0 [pid 3604] unshare(CLONE_NEWUTS) = 0 [pid 3604] unshare(CLONE_SYSVSEM) = 0 [pid 3604] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "16777216", 8) = 8 [pid 3604] close(3) = 0 [pid 3604] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "536870912", 9) = 9 [pid 3604] close(3) = 0 [pid 3604] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "1024", 4) = 4 [pid 3604] close(3) = 0 [pid 3604] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "8192", 4) = 4 [pid 3604] close(3) = 0 [pid 3604] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "1024", 4) = 4 [pid 3604] close(3) = 0 [pid 3604] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "1024", 4) = 4 [pid 3604] close(3) = 0 [pid 3604] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3604] close(3) = 0 [pid 3604] getpid() = 1 [pid 3604] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b eb 8f e8 93 9e 7d fd 0f b6 1d 4e 03 aa 09 31 ff 89 de e8 83 [ 51.129287][ T3604] RSP: 0018:ffffc90002fdf9d0 EFLAGS: 00010282 [ 51.135665][ T3604] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 51.143933][ T3604] RDX: ffff888025d90000 RSI: ffffffff8160ed68 RDI: fffff520005fbf2c [ 51.152080][ T3604] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 [ 51.160253][ T3604] R10: 0000000080000000 R11: 0000000000000001 R12: 1ffff920005fbf3d [ 51.168343][ T3604] R13: 000000009097a301 R14: ffff88807eb10000 R15: ffffc90002fdfa08 [ 51.176403][ T3604] FS: 0000555556d4f300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 51.186125][ T3604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.192839][ T3604] CR2: 00007fac62bc2300 CR3: 000000007170a000 CR4: 00000000003506e0 [ 51.200912][ T3604] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.208905][ T3604] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.216994][ T3604] Call Trace: [ 51.220403][ T3604] [ 51.223352][ T3604] sk_psock_get+0x3bc/0x410 [ 51.227851][ T3604] ? process_rx_list+0x690/0x690 [ 51.232863][ T3604] ? __local_bh_enable_ip+0xa0/0x120 [ 51.238180][ T3604] tls_data_ready+0x6d/0x1b0 [ 51.242858][ T3604] tcp_data_ready+0x106/0x520 [ 51.247554][ T3604] tcp_data_queue+0x25f2/0x4c90 [ 51.252503][ T3604] ? tcp_urg+0x108/0xb40 [ 51.256774][ T3604] ? tcp_data_ready+0x520/0x520 [ 51.263567][ T3604] ? inet_reqsk_alloc+0x710/0x780 [ 51.268759][ T3604] tcp_rcv_state_process+0x1774/0x4e80 [ 51.275685][ T3604] ? tcp_finish_connect+0x610/0x610 [ 51.281309][ T3604] ? find_held_lock+0x2d/0x110 [ 51.286091][ T3604] ? __release_sock+0xd0/0x3b0 [ 51.292265][ T3604] ? mark_held_locks+0x9f/0xe0 [ 51.297080][ T3604] tcp_v4_do_rcv+0x339/0x980 [ 51.302474][ T3604] __release_sock+0x134/0x3b0 [ 51.307170][ T3604] release_sock+0x54/0x1b0 [ 51.312605][ T3604] ? tcp_done+0x340/0x340 [ 51.316938][ T3604] inet_shutdown+0x1e0/0x430 [ 51.321988][ T3604] __sys_shutdown+0xf1/0x1b0 [ 51.326606][ T3604] ? __sys_shutdown_sock+0xa0/0xa0 [ 51.332801][ T3604] ? _raw_spin_unlock_irq+0x1f/0x40 [ 51.338032][ T3604] ? lockdep_hardirqs_on+0x79/0x100 [ 51.344576][ T3604] ? _raw_spin_unlock_irq+0x2a/0x40 [ 51.349787][ T3604] ? ptrace_notify+0xfa/0x140 [ 51.355439][ T3604] __x64_sys_shutdown+0x50/0x70 [ 51.360548][ T3604] do_syscall_64+0x35/0xb0 [ 51.364996][ T3604] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 51.371194][ T3604] RIP: 0033:0x7f307f3a9959 [ 51.375651][ T3604] Code: 28 c3 e8 4a 15 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 51.396497][ T3604] RSP: 002b:00007ffcb2adc7b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000030 [ 51.405279][ T3604] RAX: ffffffffffffffda RBX: 00007ffcb2adc7c8 RCX: 00007f307f3a9959 [ 51.413450][ T3604] RDX: 00007f307f3a9959 RSI: 0000000000000001 RDI: 0000000000000003 [ 51.422513][ T3604] RBP: 0000000000000003 R08: bb1414ac00000000 R09: bb1414ac00000000 [ 51.430555][ T3604] R10: 0000000000000028 R11: 0000000000000246 R12: 00007ffcb2adc7d0 [ 51.438720][ T3604] R13: 00007ffcb2adc7c4 R14: 0000000000000003 R15: 0000000000000000 [ 51.446784][ T3604] [ 51.449815][ T3604] Kernel panic - not syncing: panic_on_warn set ... [ 51.456467][ T3604] CPU: 1 PID: 3604 Comm: syz-executor122 Not tainted 5.18.0-syzkaller-11972-gd1dc87763f40 #0 [ 51.466943][ T3604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.476997][ T3604] Call Trace: [ 51.480317][ T3604] [ 51.483490][ T3604] dump_stack_lvl+0xcd/0x134 [ 51.488103][ T3604] panic+0x2d7/0x636 [ 51.492002][ T3604] ? panic_print_sys_info.part.0+0x10b/0x10b [ 51.497994][ T3604] ? __warn.cold+0x1d9/0x2cd [ 51.502598][ T3604] ? refcount_warn_saturate+0xf4/0x1e0 [ 51.508089][ T3604] __warn.cold+0x1ea/0x2cd [ 51.512525][ T3604] ? __wake_up_klogd.part.0+0x99/0xf0 [ 51.518033][ T3604] ? refcount_warn_saturate+0xf4/0x1e0 [ 51.523510][ T3604] report_bug+0x1bc/0x210 [ 51.527861][ T3604] handle_bug+0x3c/0x60 [ 51.532031][ T3604] exc_invalid_op+0x14/0x40 [ 51.536550][ T3604] asm_exc_invalid_op+0x1b/0x20 [ 51.541428][ T3604] RIP: 0010:refcount_warn_saturate+0xf4/0x1e0 [ 51.547504][ T3604] Code: 1d 84 03 aa 09 31 ff 89 de e8 b8 9a 7d fd 84 db 75 ab e8 af 9e 7d fd 48 c7 c7 00 15 28 8a c6 05 64 03 aa 09 01 e8 6e 9a 34 05 <0f> 0b eb 8f e8 93 9e 7d fd 0f b6 1d 4e 03 aa 09 31 ff 89 de e8 83 [ 51.567116][ T3604] RSP: 0018:ffffc90002fdf9d0 EFLAGS: 00010282 [ 51.573205][ T3604] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 51.581179][ T3604] RDX: ffff888025d90000 RSI: ffffffff8160ed68 RDI: fffff520005fbf2c [ 51.589243][ T3604] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 [ 51.597218][ T3604] R10: 0000000080000000 R11: 0000000000000001 R12: 1ffff920005fbf3d [ 51.605201][ T3604] R13: 000000009097a301 R14: ffff88807eb10000 R15: ffffc90002fdfa08 [ 51.613186][ T3604] ? vprintk+0x88/0x90 [ 51.617288][ T3604] sk_psock_get+0x3bc/0x410 [ 51.621826][ T3604] ? process_rx_list+0x690/0x690 [ 51.626789][ T3604] ? __local_bh_enable_ip+0xa0/0x120 [ 51.632101][ T3604] tls_data_ready+0x6d/0x1b0 [ 51.636707][ T3604] tcp_data_ready+0x106/0x520 [ 51.641397][ T3604] tcp_data_queue+0x25f2/0x4c90 [ 51.646268][ T3604] ? tcp_urg+0x108/0xb40 [ 51.650516][ T3604] ? tcp_data_ready+0x520/0x520 [ 51.655379][ T3604] ? inet_reqsk_alloc+0x710/0x780 [ 51.660419][ T3604] tcp_rcv_state_process+0x1774/0x4e80 [ 51.665899][ T3604] ? tcp_finish_connect+0x610/0x610 [ 51.671279][ T3604] ? find_held_lock+0x2d/0x110 [ 51.676060][ T3604] ? __release_sock+0xd0/0x3b0 [ 51.680838][ T3604] ? mark_held_locks+0x9f/0xe0 [ 51.686056][ T3604] tcp_v4_do_rcv+0x339/0x980 [ 51.690661][ T3604] __release_sock+0x134/0x3b0 [ 51.695359][ T3604] release_sock+0x54/0x1b0 [ 51.699783][ T3604] ? tcp_done+0x340/0x340 [ 51.704139][ T3604] inet_shutdown+0x1e0/0x430 [ 51.708743][ T3604] __sys_shutdown+0xf1/0x1b0 [ 51.713345][ T3604] ? __sys_shutdown_sock+0xa0/0xa0 [ 51.718470][ T3604] ? _raw_spin_unlock_irq+0x1f/0x40 [ 51.723689][ T3604] ? lockdep_hardirqs_on+0x79/0x100 [ 51.728903][ T3604] ? _raw_spin_unlock_irq+0x2a/0x40 [ 51.734106][ T3604] ? ptrace_notify+0xfa/0x140 [ 51.738794][ T3604] __x64_sys_shutdown+0x50/0x70 [ 51.743671][ T3604] do_syscall_64+0x35/0xb0 [ 51.748099][ T3604] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 51.754000][ T3604] RIP: 0033:0x7f307f3a9959 [ 51.758419][ T3604] Code: 28 c3 e8 4a 15 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 51.778036][ T3604] RSP: 002b:00007ffcb2adc7b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000030 [ 51.786475][ T3604] RAX: ffffffffffffffda RBX: 00007ffcb2adc7c8 RCX: 00007f307f3a9959 [ 51.794466][ T3604] RDX: 00007f307f3a9959 RSI: 0000000000000001 RDI: 0000000000000003 [ 51.802466][ T3604] RBP: 0000000000000003 R08: bb1414ac00000000 R09: bb1414ac00000000 [ 51.810736][ T3604] R10: 0000000000000028 R11: 0000000000000246 R12: 00007ffcb2adc7d0 [ 51.818828][ T3604] R13: 00007ffcb2adc7c4 R14: 0000000000000003 R15: 0000000000000000 [ 51.826842][ T3604] [ 51.830239][ T3604] Kernel Offset: disabled [ 51.834663][ T3604] Rebooting in 86400 seconds..