./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3360689498 <...> Warning: Permanently added '10.128.10.55' (ED25519) to the list of known hosts. execve("./syz-executor3360689498", ["./syz-executor3360689498"], 0x7ffc03db0650 /* 10 vars */) = 0 brk(NULL) = 0x55559370f000 brk(0x55559370fd00) = 0x55559370fd00 arch_prctl(ARCH_SET_FS, 0x55559370f380) = 0 set_tid_address(0x55559370f650) = 5089 set_robust_list(0x55559370f660, 24) = 0 rseq(0x55559370fca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3360689498", 4096) = 28 getrandom("\x83\x35\x21\x3d\xbb\x65\xc0\x69", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55559370fd00 brk(0x555593730d00) = 0x555593730d00 brk(0x555593731000) = 0x555593731000 mprotect(0x7f849a324000, 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=0x55559370f650) = 5090 ./strace-static-x86_64: Process 5090 attached [pid 5090] set_robust_list(0x55559370f660, 24) = 0 [pid 5090] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5090] setsid() = 1 [pid 5090] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5090] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5090] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5090] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5090] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5090] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5090] unshare(CLONE_NEWNS) = 0 [pid 5090] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5090] unshare(CLONE_NEWIPC) = 0 [pid 5090] unshare(CLONE_NEWCGROUP) = 0 [pid 5090] unshare(CLONE_NEWUTS) = 0 [pid 5090] unshare(CLONE_SYSVSEM) = 0 [pid 5090] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5090] write(3, "16777216", 8) = 8 [pid 5090] close(3) = 0 [pid 5090] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5090] write(3, "536870912", 9) = 9 [pid 5090] close(3) = 0 [pid 5090] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5090] write(3, "1024", 4) = 4 [pid 5090] close(3) = 0 [pid 5090] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5090] write(3, "8192", 4) = 4 [pid 5090] close(3) = 0 [pid 5090] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5090] write(3, "1024", 4) = 4 [pid 5090] close(3) = 0 [pid 5090] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5090] write(3, "1024", 4) = 4 [pid 5090] close(3) = 0 [pid 5090] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5090] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5090] close(3) = 0 [pid 5090] getpid() = 1 [pid 5090] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 89 d9 80 e1 07 fe c1 38 c1 0f 8c 19 fa ff ff 48 89 df e8 d8 [ 83.928047][ C1] RSP: 0018:ffffc90000a18ae8 EFLAGS: 00010246 [ 83.934130][ C1] RAX: ffffffff8966b6ae RBX: 00000000000000bc RCX: ffff888020590000 [ 83.942112][ C1] RDX: 0000000080000101 RSI: 000000000000000a RDI: 0000000000000004 [ 83.950087][ C1] RBP: 0000000000000004 R08: ffffffff8966a91b R09: 1ffffffff1f593a5 [ 83.958065][ C1] R10: dffffc0000000000 R11: fffffbfff1f593a6 R12: 1ffff1100fc091c6 [ 83.966042][ C1] R13: 000000000000000a R14: ffff88807e048e34 R15: 1ffff1100fc091d1 [ 83.974024][ C1] FS: 000055559370f380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 83.982961][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.989555][ C1] CR2: 00007f849a2aa5e3 CR3: 0000000027ae6000 CR4: 00000000003506f0 [ 83.997535][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 84.005514][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 84.013531][ C1] Call Trace: [ 84.016817][ C1] [ 84.019671][ C1] ? __die_body+0x88/0xe0 [ 84.024024][ C1] ? die+0xcf/0x110 [ 84.027870][ C1] ? do_trap+0x15a/0x3a0 [ 84.032403][ C1] ? dev_gro_receive+0x242f/0x24b0 [ 84.037543][ C1] ? do_error_trap+0x1dc/0x2c0 [ 84.042350][ C1] ? dev_gro_receive+0x242f/0x24b0 [ 84.047532][ C1] ? __pfx_do_error_trap+0x10/0x10 [ 84.052676][ C1] ? handle_invalid_op+0x34/0x40 [ 84.057646][ C1] ? dev_gro_receive+0x242f/0x24b0 [ 84.062784][ C1] ? exc_invalid_op+0x38/0x50 [ 84.067479][ C1] ? asm_exc_invalid_op+0x1a/0x20 [ 84.072530][ C1] ? dev_gro_receive+0x169b/0x24b0 [ 84.077683][ C1] ? dev_gro_receive+0x242e/0x24b0 [ 84.082824][ C1] ? dev_gro_receive+0x242f/0x24b0 [ 84.087973][ C1] ? dev_gro_receive+0x242e/0x24b0 [ 84.093103][ C1] ? __pfx_rcu_read_lock_sched_held+0x10/0x10 [ 84.099198][ C1] napi_gro_receive+0x3c3/0xc90 [ 84.104061][ C1] gro_cell_poll+0x13c/0x1c0 [ 84.108659][ C1] __napi_poll+0xcb/0x490 [ 84.113000][ C1] net_rx_action+0x7bb/0x10a0 [ 84.117697][ C1] ? __pfx_net_rx_action+0x10/0x10 [ 84.122823][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 84.128814][ C1] handle_softirqs+0x2d6/0x990 [ 84.133620][ C1] ? do_softirq+0x11b/0x1e0 [ 84.138133][ C1] ? __pfx_handle_softirqs+0x10/0x10 [ 84.143430][ C1] ? rcu_is_watching+0x15/0xb0 [ 84.148202][ C1] do_softirq+0x11b/0x1e0 [ 84.152539][ C1] [ 84.155479][ C1] [ 84.158412][ C1] ? __pfx_do_softirq+0x10/0x10 [ 84.163271][ C1] ? __pfx_lockdep_softirqs_on+0x10/0x10 [ 84.168919][ C1] ? rcu_is_watching+0x15/0xb0 [ 84.173774][ C1] __local_bh_enable_ip+0x1bb/0x200 [ 84.179019][ C1] ? __pfx_netif_receive_skb+0x10/0x10 [ 84.184532][ C1] ? tun_rx_batched+0x160/0x8f0 [ 84.189448][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 84.195239][ C1] ? tun_rx_batched+0x160/0x8f0 [ 84.200121][ C1] tun_rx_batched+0x732/0x8f0 [ 84.204858][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 84.211210][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 84.216259][ C1] ? __pfx_tun_rx_batched+0x10/0x10 [ 84.221504][ C1] tun_get_user+0x2f35/0x4560 [ 84.226225][ C1] ? tun_get_user+0x2a2f/0x4560 [ 84.231156][ C1] ? __pfx_tun_get_user+0x10/0x10 [ 84.236225][ C1] ? __pfx_ref_tracker_alloc+0x10/0x10 [ 84.241713][ C1] ? tun_get+0x1e/0x2f0 [ 84.245921][ C1] ? tun_get+0x1e/0x2f0 [ 84.250113][ C1] ? tun_get+0x27d/0x2f0 [ 84.254416][ C1] tun_chr_write_iter+0x113/0x1f0 [ 84.259501][ C1] vfs_write+0xa2d/0xc50 [ 84.263773][ C1] ? __pfx_tun_chr_write_iter+0x10/0x10 [ 84.269364][ C1] ? __pfx_vfs_write+0x10/0x10 [ 84.274195][ C1] ? lockdep_hardirqs_on+0x99/0x150 [ 84.279456][ C1] ? __fdget_pos+0x1a2/0x320 [ 84.284062][ C1] ksys_write+0x1a0/0x2c0 [ 84.288407][ C1] ? __pfx_ksys_write+0x10/0x10 [ 84.293285][ C1] ? do_syscall_64+0x102/0x240 [ 84.298088][ C1] do_syscall_64+0xf5/0x240 [ 84.302622][ C1] ? clear_bhb_loop+0x35/0x90 [ 84.307333][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.313255][ C1] RIP: 0033:0x7f849a2ab7b0 [ 84.317697][ C1] Code: 40 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d f1 d8 07 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 [ 84.337334][ C1] RSP: 002b:00007fff6a394f88 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 84.345826][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f849a2ab7b0 [ 84.353926][ C1] RDX: 000000000000007c RSI: 0000000020000080 RDI: 00000000000000c8 [ 84.361940][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 84.369931][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 84.377996][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 84.386006][ C1] [ 84.389037][ C1] Modules linked in: [ 84.393068][ C1] ---[ end trace 0000000000000000 ]--- [ 84.398568][ C1] RIP: 0010:dev_gro_receive+0x242f/0x24b0 [ 84.404362][ C1] Code: ff d3 66 90 e9 ea fa ff ff 44 89 f1 80 e1 07 38 c1 0f 8c f1 f9 ff ff 4c 89 f7 e8 cc ba 94 f8 e9 e4 f9 ff ff e8 82 a6 2f f8 90 <0f> 0b 89 d9 80 e1 07 fe c1 38 c1 0f 8c 19 fa ff ff 48 89 df e8 d8 [ 84.424035][ C1] RSP: 0018:ffffc90000a18ae8 EFLAGS: 00010246 [ 84.430164][ C1] RAX: ffffffff8966b6ae RBX: 00000000000000bc RCX: ffff888020590000 [ 84.438149][ C1] RDX: 0000000080000101 RSI: 000000000000000a RDI: 0000000000000004 [ 84.446178][ C1] RBP: 0000000000000004 R08: ffffffff8966a91b R09: 1ffffffff1f593a5 [ 84.454209][ C1] R10: dffffc0000000000 R11: fffffbfff1f593a6 R12: 1ffff1100fc091c6 [ 84.462223][ C1] R13: 000000000000000a R14: ffff88807e048e34 R15: 1ffff1100fc091d1 [ 84.470252][ C1] FS: 000055559370f380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 84.479285][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.485901][ C1] CR2: 00007f849a2aa5e3 CR3: 0000000027ae6000 CR4: 00000000003506f0 [ 84.493934][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 84.501960][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 84.509978][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 84.517463][ C1] Kernel Offset: disabled [ 84.521797][ C1] Rebooting in 86400 seconds..