./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3324711809 <...> forked to background, child pid 3185 no interfaces have a carri[ 22.228371][ T3186] 8021q: adding VLAN 0 to HW filter on device bond0 er [ 22.242337][ T3186] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.100' (ECDSA) to the list of known hosts. execve("./syz-executor3324711809", ["./syz-executor3324711809"], 0x7ffecee7acb0 /* 10 vars */) = 0 brk(NULL) = 0x555555cb3000 brk(0x555555cb3c40) = 0x555555cb3c40 arch_prctl(ARCH_SET_FS, 0x555555cb3300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3324711809", 4096) = 28 brk(0x555555cd4c40) = 0x555555cd4c40 brk(0x555555cd5000) = 0x555555cd5000 mprotect(0x7fd3d312c000, 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 3607 attached , child_tidptr=0x555555cb35d0) = 3607 [pid 3607] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3607] setsid() = 1 [pid 3607] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3607] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3607] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3607] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3607] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3607] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3607] unshare(CLONE_NEWNS) = 0 [pid 3607] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3607] unshare(CLONE_NEWIPC) = 0 [pid 3607] unshare(CLONE_NEWCGROUP) = 0 [pid 3607] unshare(CLONE_NEWUTS) = 0 [pid 3607] unshare(CLONE_SYSVSEM) = 0 [pid 3607] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "16777216", 8) = 8 [pid 3607] close(3) = 0 [pid 3607] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "536870912", 9) = 9 [pid 3607] close(3) = 0 [pid 3607] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "1024", 4) = 4 [pid 3607] close(3) = 0 [pid 3607] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "8192", 4) = 4 [pid 3607] close(3) = 0 [pid 3607] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "1024", 4) = 4 [pid 3607] close(3) = 0 [pid 3607] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "1024", 4) = 4 [pid 3607] close(3) = 0 [pid 3607] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3607] close(3) = 0 [pid 3607] getpid() = 1 [pid 3607] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b eb 8f e8 03 eb 7d fd 0f b6 1d 14 59 aa 09 31 ff 89 de e8 f3 [ 44.557548][ T3607] RSP: 0018:ffffc9000301f9d0 EFLAGS: 00010282 [ 44.563610][ T3607] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 44.572238][ T3607] RDX: ffff888024cd9d80 RSI: ffffffff8160d028 RDI: fffff52000603f2c [ 44.580460][ T3607] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 [ 44.588855][ T3607] R10: 0000000080000000 R11: 0000000000000001 R12: 1ffff92000603f3d [ 44.596962][ T3607] R13: 00000000912cc501 R14: ffff888072fa8000 R15: ffffc9000301fa08 [ 44.605270][ T3607] FS: 0000555555cb3300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 44.614322][ T3607] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.620918][ T3607] CR2: 0000000000642040 CR3: 0000000024c61000 CR4: 0000000000350ee0 [ 44.629214][ T3607] Call Trace: [ 44.632729][ T3607] [ 44.635780][ T3607] sk_psock_get+0x3bc/0x410 [ 44.640318][ T3607] ? process_rx_list+0x690/0x690 [ 44.645324][ T3607] ? __local_bh_enable_ip+0xa0/0x120 [ 44.650726][ T3607] tls_data_ready+0x6d/0x1b0 [ 44.655359][ T3607] tcp_data_ready+0x106/0x520 [ 44.660047][ T3607] tcp_data_queue+0x1bb2/0x4c60 [ 44.665006][ T3607] ? tcp_urg+0x108/0xb40 [ 44.669283][ T3607] ? tcp_data_ready+0x520/0x520 [ 44.674179][ T3607] ? inet_reqsk_alloc+0x740/0x780 [ 44.679663][ T3607] tcp_rcv_state_process+0x1798/0x4eb0 [ 44.685219][ T3607] ? tcp_finish_connect+0x610/0x610 [ 44.690438][ T3607] ? find_held_lock+0x2d/0x110 [ 44.695287][ T3607] ? __release_sock+0xd0/0x3b0 [ 44.700061][ T3607] ? mark_held_locks+0x9f/0xe0 [ 44.705162][ T3607] tcp_v4_do_rcv+0x339/0x9b0 [ 44.709758][ T3607] __release_sock+0x134/0x3b0 [ 44.714551][ T3607] release_sock+0x54/0x1b0 [ 44.719000][ T3607] ? tcp_done+0x340/0x340 [ 44.723329][ T3607] inet_shutdown+0x1e0/0x430 [ 44.728005][ T3607] __sys_shutdown+0xf1/0x1b0 [ 44.732617][ T3607] ? __sys_shutdown_sock+0xa0/0xa0 [ 44.737779][ T3607] ? _raw_spin_unlock_irq+0x1f/0x40 [ 44.742985][ T3607] ? lockdep_hardirqs_on+0x79/0x100 [ 44.748275][ T3607] ? _raw_spin_unlock_irq+0x2a/0x40 [ 44.753502][ T3607] ? ptrace_notify+0xfa/0x140 [ 44.758214][ T3607] __x64_sys_shutdown+0x50/0x70 [ 44.763082][ T3607] do_syscall_64+0x35/0xb0 [ 44.767583][ T3607] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 44.773504][ T3607] RIP: 0033:0x7fd3d30b8969 [ 44.778016][ T3607] 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 [ 44.797696][ T3607] RSP: 002b:00007ffe39ca75d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000030 [ 44.806156][ T3607] RAX: ffffffffffffffda RBX: 00007ffe39ca75e8 RCX: 00007fd3d30b8969 [ 44.815826][ T3607] RDX: 00007fd3d30b8969 RSI: 0000000000000001 RDI: 0000000000000003 [ 44.823840][ T3607] RBP: 0000000000000003 R08: bb1414ac00000000 R09: bb1414ac00000000 [ 44.832103][ T3607] R10: 0000000000000028 R11: 0000000000000246 R12: 00007ffe39ca75f0 [ 44.840122][ T3607] R13: 00007ffe39ca75e4 R14: 0000000000000003 R15: 0000000000000000 [ 44.848162][ T3607] [ 44.851197][ T3607] Kernel panic - not syncing: panic_on_warn set ... [ 44.857786][ T3607] CPU: 1 PID: 3607 Comm: syz-executor332 Not tainted 5.19.0-rc6-syzkaller-00115-g4a57a8400075 #0 [ 44.868971][ T3607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 44.879021][ T3607] Call Trace: [ 44.882298][ T3607] [ 44.885222][ T3607] dump_stack_lvl+0xcd/0x134 [ 44.889812][ T3607] panic+0x2d7/0x636 [ 44.893705][ T3607] ? panic_print_sys_info.part.0+0x10b/0x10b [ 44.899688][ T3607] ? __warn.cold+0x1d1/0x2c5 [ 44.904452][ T3607] ? refcount_warn_saturate+0xf4/0x1e0 [ 44.909912][ T3607] __warn.cold+0x1e2/0x2c5 [ 44.914321][ T3607] ? __wake_up_klogd.part.0+0x99/0xf0 [ 44.919692][ T3607] ? refcount_warn_saturate+0xf4/0x1e0 [ 44.925147][ T3607] report_bug+0x1bc/0x210 [ 44.929478][ T3607] handle_bug+0x3c/0x60 [ 44.933662][ T3607] exc_invalid_op+0x14/0x40 [ 44.938336][ T3607] asm_exc_invalid_op+0x16/0x20 [ 44.943179][ T3607] RIP: 0010:refcount_warn_saturate+0xf4/0x1e0 [ 44.949241][ T3607] Code: 1d 4a 59 aa 09 31 ff 89 de e8 28 e7 7d fd 84 db 75 ab e8 1f eb 7d fd 48 c7 c7 a0 20 28 8a c6 05 2a 59 aa 09 01 e8 16 ef 35 05 <0f> 0b eb 8f e8 03 eb 7d fd 0f b6 1d 14 59 aa 09 31 ff 89 de e8 f3 [ 44.968848][ T3607] RSP: 0018:ffffc9000301f9d0 EFLAGS: 00010282 [ 44.975010][ T3607] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 44.982976][ T3607] RDX: ffff888024cd9d80 RSI: ffffffff8160d028 RDI: fffff52000603f2c [ 44.990941][ T3607] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 [ 44.998998][ T3607] R10: 0000000080000000 R11: 0000000000000001 R12: 1ffff92000603f3d [ 45.007226][ T3607] R13: 00000000912cc501 R14: ffff888072fa8000 R15: ffffc9000301fa08 [ 45.015198][ T3607] ? vprintk+0x88/0x90 [ 45.019271][ T3607] sk_psock_get+0x3bc/0x410 [ 45.023772][ T3607] ? process_rx_list+0x690/0x690 [ 45.028734][ T3607] ? __local_bh_enable_ip+0xa0/0x120 [ 45.034031][ T3607] tls_data_ready+0x6d/0x1b0 [ 45.038620][ T3607] tcp_data_ready+0x106/0x520 [ 45.043382][ T3607] tcp_data_queue+0x1bb2/0x4c60 [ 45.048239][ T3607] ? tcp_urg+0x108/0xb40 [ 45.052478][ T3607] ? tcp_data_ready+0x520/0x520 [ 45.057331][ T3607] ? inet_reqsk_alloc+0x740/0x780 [ 45.062359][ T3607] tcp_rcv_state_process+0x1798/0x4eb0 [ 45.067822][ T3607] ? tcp_finish_connect+0x610/0x610 [ 45.073101][ T3607] ? find_held_lock+0x2d/0x110 [ 45.077865][ T3607] ? __release_sock+0xd0/0x3b0 [ 45.082631][ T3607] ? mark_held_locks+0x9f/0xe0 [ 45.087399][ T3607] tcp_v4_do_rcv+0x339/0x9b0 [ 45.092001][ T3607] __release_sock+0x134/0x3b0 [ 45.097030][ T3607] release_sock+0x54/0x1b0 [ 45.101442][ T3607] ? tcp_done+0x340/0x340 [ 45.105764][ T3607] inet_shutdown+0x1e0/0x430 [ 45.110350][ T3607] __sys_shutdown+0xf1/0x1b0 [ 45.115032][ T3607] ? __sys_shutdown_sock+0xa0/0xa0 [ 45.120166][ T3607] ? _raw_spin_unlock_irq+0x1f/0x40 [ 45.125371][ T3607] ? lockdep_hardirqs_on+0x79/0x100 [ 45.130563][ T3607] ? _raw_spin_unlock_irq+0x2a/0x40 [ 45.135761][ T3607] ? ptrace_notify+0xfa/0x140 [ 45.140527][ T3607] __x64_sys_shutdown+0x50/0x70 [ 45.145375][ T3607] do_syscall_64+0x35/0xb0 [ 45.149786][ T3607] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 45.155676][ T3607] RIP: 0033:0x7fd3d30b8969 [ 45.160086][ T3607] 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 [ 45.179686][ T3607] RSP: 002b:00007ffe39ca75d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000030 [ 45.188099][ T3607] RAX: ffffffffffffffda RBX: 00007ffe39ca75e8 RCX: 00007fd3d30b8969 [ 45.196063][ T3607] RDX: 00007fd3d30b8969 RSI: 0000000000000001 RDI: 0000000000000003 [ 45.204288][ T3607] RBP: 0000000000000003 R08: bb1414ac00000000 R09: bb1414ac00000000 [ 45.212251][ T3607] R10: 0000000000000028 R11: 0000000000000246 R12: 00007ffe39ca75f0 [ 45.220218][ T3607] R13: 00007ffe39ca75e4 R14: 0000000000000003 R15: 0000000000000000 [ 45.228368][ T3607] [ 45.231866][ T3607] Kernel Offset: disabled [ 45.236499][ T3607] Rebooting in 86400 seconds..