./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1314409212 <...> Warning: Permanently added '10.128.1.147' (ED25519) to the list of known hosts. execve("./syz-executor1314409212", ["./syz-executor1314409212"], 0x7fff98fb0d10 /* 10 vars */) = 0 brk(NULL) = 0x55557a4d1000 brk(0x55557a4d1d00) = 0x55557a4d1d00 arch_prctl(ARCH_SET_FS, 0x55557a4d1380) = 0 set_tid_address(0x55557a4d1650) = 5084 set_robust_list(0x55557a4d1660, 24) = 0 rseq(0x55557a4d1ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1314409212", 4096) = 28 getrandom("\x67\xab\x56\xb9\x26\x47\x88\x8f", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557a4d1d00 brk(0x55557a4f2d00) = 0x55557a4f2d00 brk(0x55557a4f3000) = 0x55557a4f3000 mprotect(0x7fd69c976000, 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 5085 attached , child_tidptr=0x55557a4d1650) = 5085 [pid 5085] set_robust_list(0x55557a4d1660, 24) = 0 [pid 5085] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5085] setsid() = 1 [pid 5085] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5085] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5085] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5085] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5085] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5085] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5085] unshare(CLONE_NEWNS) = 0 [pid 5085] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5085] unshare(CLONE_NEWIPC) = 0 [pid 5085] unshare(CLONE_NEWCGROUP) = 0 [pid 5085] unshare(CLONE_NEWUTS) = 0 [pid 5085] unshare(CLONE_SYSVSEM) = 0 [pid 5085] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5085] write(3, "16777216", 8) = 8 [pid 5085] close(3) = 0 [pid 5085] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5085] write(3, "536870912", 9) = 9 [pid 5085] close(3) = 0 [pid 5085] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5085] write(3, "1024", 4) = 4 [pid 5085] close(3) = 0 [pid 5085] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5085] write(3, "8192", 4) = 4 [pid 5085] close(3) = 0 [pid 5085] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5085] write(3, "1024", 4) = 4 [pid 5085] close(3) = 0 [pid 5085] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5085] write(3, "1024", 4) = 4 [pid 5085] close(3) = 0 [pid 5085] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5085] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5085] close(3) = 0 [pid 5085] getpid() = 1 [pid 5085] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 e9 09 fc ff ff 44 89 e7 89 ee e8 1f a1 91 f7 41 39 ec 0f [ 87.961098][ T5085] RSP: 0018:ffffc9000345ee00 EFLAGS: 00010293 [ 87.967298][ T5085] RAX: ffffffff8a0461ee RBX: ffff88807c422998 RCX: ffff88807fa33c00 [ 87.975343][ T5085] RDX: 0000000000000000 RSI: 00000000ffffffb6 RDI: 0000000000000000 [ 87.983346][ T5085] RBP: 00000000ffffffb6 R08: ffffffff8a045df2 R09: 1ffffffff1f51c65 [ 87.991410][ T5085] R10: dffffc0000000000 R11: ffffffff8a045cf0 R12: 0000000000000000 [ 87.999531][ T5085] R13: ffff88807c4228c0 R14: ffff88802cb7a000 R15: dffffc0000000000 [ 88.007611][ T5085] FS: 000055557a4d1380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 88.016624][ T5085] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.023213][ T5085] CR2: 0000000020010000 CR3: 000000007a79e000 CR4: 00000000003506f0 [ 88.031265][ T5085] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 88.039307][ T5085] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 88.047461][ T5085] Call Trace: [ 88.050771][ T5085] [ 88.053708][ T5085] ? __warn+0x163/0x4e0 [ 88.057974][ T5085] ? gre_tap_xmit+0x4ff/0x6e0 [ 88.062666][ T5085] ? report_bug+0x2b3/0x500 [ 88.067260][ T5085] ? gre_tap_xmit+0x4ff/0x6e0 [ 88.071983][ T5085] ? handle_bug+0x3e/0x70 [ 88.076379][ T5085] ? exc_invalid_op+0x1a/0x50 [ 88.081091][ T5085] ? asm_exc_invalid_op+0x1a/0x20 [ 88.086213][ T5085] ? __pfx_gre_tap_xmit+0x10/0x10 [ 88.091276][ T5085] ? gre_tap_xmit+0x102/0x6e0 [ 88.096018][ T5085] ? gre_tap_xmit+0x4fe/0x6e0 [ 88.100760][ T5085] ? gre_tap_xmit+0x4ff/0x6e0 [ 88.105517][ T5085] dev_hard_start_xmit+0x27a/0x7e0 [ 88.110684][ T5085] sch_direct_xmit+0x2b6/0x5f0 [ 88.115529][ T5085] ? __pfx_sch_direct_xmit+0x10/0x10 [ 88.120851][ T5085] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 88.126908][ T5085] __dev_queue_xmit+0x19eb/0x3ca0 [ 88.131973][ T5085] ? __dev_queue_xmit+0x2c7/0x3ca0 [ 88.137160][ T5085] ? __pfx___dev_queue_xmit+0x10/0x10 [ 88.142571][ T5085] ? netdev_lower_get_next_private_rcu+0x9e/0x100 [ 88.149161][ T5085] ? bond_get_slave_by_id+0x5c8/0x5d0 [ 88.154613][ T5085] ? ____sys_sendmsg+0x525/0x7d0 [ 88.159583][ T5085] ? __sys_sendmsg+0x2b0/0x3a0 [ 88.164430][ T5085] ? __pfx_bond_get_slave_by_id+0x10/0x10 [ 88.170367][ T5085] ? bond_xmit_roundrobin_slave_get+0x24c/0x420 [ 88.176680][ T5085] bond_start_xmit+0x1389/0x1c40 [ 88.183573][ T5085] ? bond_start_xmit+0x128/0x1c40 [ 88.188687][ T5085] ? __pfx_bond_start_xmit+0x10/0x10 [ 88.194051][ T5085] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 88.200173][ T5085] ? validate_xmit_xfrm+0xc1/0x1260 [ 88.205460][ T5085] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 88.211839][ T5085] ? __pfx_validate_xmit_xfrm+0x10/0x10 [ 88.217475][ T5085] ? validate_xmit_skb+0x5b5/0x1120 [ 88.222733][ T5085] ? kmem_cache_free+0x10b/0x2c0 [ 88.227746][ T5085] ? validate_xmit_skb+0xa04/0x1120 [ 88.232980][ T5085] dev_hard_start_xmit+0x27a/0x7e0 [ 88.238184][ T5085] __dev_queue_xmit+0x1ad1/0x3ca0 [ 88.243255][ T5085] ? __dev_queue_xmit+0x2c7/0x3ca0 [ 88.248545][ T5085] ? skb_partial_csum_set+0x105/0x350 [ 88.254252][ T5085] ? __pfx___dev_queue_xmit+0x10/0x10 [ 88.259639][ T5085] ? virtio_net_hdr_to_skb+0xa6a/0x1330 [ 88.265276][ T5085] ? packet_parse_headers+0x7bd/0xad0 [ 88.270700][ T5085] ? __pfx_virtio_net_hdr_to_skb+0x10/0x10 [ 88.276586][ T5085] ? packet_xmit+0x68/0x330 [ 88.281130][ T5085] packet_sendmsg+0x46a9/0x6130 [ 88.286093][ T5085] ? __pfx___might_resched+0x10/0x10 [ 88.291433][ T5085] ? aa_sk_perm+0x967/0xab0 [ 88.296186][ T5085] ? __pfx_packet_sendmsg+0x10/0x10 [ 88.301428][ T5085] ? __import_iovec+0x361/0x820 [ 88.306340][ T5085] ? aa_sock_msg_perm+0x91/0x160 [ 88.311337][ T5085] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 88.316687][ T5085] ? security_socket_sendmsg+0x87/0xb0 [ 88.322186][ T5085] ? __pfx_packet_sendmsg+0x10/0x10 [ 88.328191][ T5085] __sock_sendmsg+0x221/0x270 [ 88.332938][ T5085] ____sys_sendmsg+0x525/0x7d0 [ 88.337779][ T5085] ? __pfx_____sys_sendmsg+0x10/0x10 [ 88.343100][ T5085] ? do_raw_spin_lock+0x14f/0x370 [ 88.348218][ T5085] __sys_sendmsg+0x2b0/0x3a0 [ 88.352884][ T5085] ? __pfx___sys_sendmsg+0x10/0x10 [ 88.358125][ T5085] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 88.364535][ T5085] ? _raw_spin_unlock_irq+0x2e/0x50 [ 88.369755][ T5085] ? ptrace_notify+0x279/0x380 [ 88.374614][ T5085] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 88.381021][ T5085] ? do_syscall_64+0x102/0x240 [ 88.385908][ T5085] do_syscall_64+0xf5/0x240 [ 88.390455][ T5085] ? clear_bhb_loop+0x35/0x90 [ 88.395215][ T5085] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.401186][ T5085] RIP: 0033:0x7fd69c8fdc09 [ 88.405705][ T5085] Code: 48 83 c4 28 c3 e8 d7 19 00 00 0f 1f 80 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 b8 ff ff ff f7 d8 64 89 01 48 [ 88.425410][ T5085] RSP: 002b:00007ffd0712cf38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 88.433896][ T5085] RAX: ffffffffffffffda RBX: 00007fd69c94b3d3 RCX: 00007fd69c8fdc09 [ 88.441908][ T5085] RDX: 00000000200400c4 RSI: 0000000020000180 RDI: 0000000000000004 [ 88.449962][ T5085] RBP: 00007ffd0712cf60 R08: 0000000000000001 R09: 0000000000000001 [ 88.457995][ T5085] R10: 0000000000000004 R11: 0000000000000246 R12: 00007ffd0712cf70 [ 88.466065][ T5085] R13: 00007fd69c94b004 R14: 00007ffd0712cf5c R15: 0000000000000003 [ 88.474129][ T5085] [ 88.477595][ T5085] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 88.486878][ T5085] CPU: 1 PID: 5085 Comm: syz-executor131 Not tainted 6.9.0-rc5-syzkaller-00031-g71b1543c83d6 #0 [ 88.497333][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 88.507604][ T5085] Call Trace: [ 88.510889][ T5085] [ 88.513831][ T5085] dump_stack_lvl+0x241/0x360 [ 88.518536][ T5085] ? __pfx_dump_stack_lvl+0x10/0x10 [ 88.523844][ T5085] ? __pfx__printk+0x10/0x10 [ 88.528465][ T5085] ? vscnprintf+0x5d/0x90 [ 88.532824][ T5085] panic+0x349/0x860 [ 88.536735][ T5085] ? __warn+0x172/0x4e0 [ 88.540989][ T5085] ? __pfx_panic+0x10/0x10 [ 88.545486][ T5085] __warn+0x346/0x4e0 [ 88.549477][ T5085] ? gre_tap_xmit+0x4ff/0x6e0 [ 88.554477][ T5085] report_bug+0x2b3/0x500 [ 88.558816][ T5085] ? gre_tap_xmit+0x4ff/0x6e0 [ 88.563503][ T5085] handle_bug+0x3e/0x70 [ 88.567698][ T5085] exc_invalid_op+0x1a/0x50 [ 88.572213][ T5085] asm_exc_invalid_op+0x1a/0x20 [ 88.577071][ T5085] RIP: 0010:gre_tap_xmit+0x4ff/0x6e0 [ 88.582370][ T5085] Code: 00 4c 89 ef 48 89 ee 48 89 da e8 7c 8f fb ff 31 c0 48 83 c4 38 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 72 9f 91 f7 90 <0f> 0b 90 e9 09 fc ff ff 44 89 e7 89 ee e8 1f a1 91 f7 41 39 ec 0f [ 88.602368][ T5085] RSP: 0018:ffffc9000345ee00 EFLAGS: 00010293 [ 88.608714][ T5085] RAX: ffffffff8a0461ee RBX: ffff88807c422998 RCX: ffff88807fa33c00 [ 88.616714][ T5085] RDX: 0000000000000000 RSI: 00000000ffffffb6 RDI: 0000000000000000 [ 88.624706][ T5085] RBP: 00000000ffffffb6 R08: ffffffff8a045df2 R09: 1ffffffff1f51c65 [ 88.632686][ T5085] R10: dffffc0000000000 R11: ffffffff8a045cf0 R12: 0000000000000000 [ 88.640665][ T5085] R13: ffff88807c4228c0 R14: ffff88802cb7a000 R15: dffffc0000000000 [ 88.648667][ T5085] ? __pfx_gre_tap_xmit+0x10/0x10 [ 88.653728][ T5085] ? gre_tap_xmit+0x102/0x6e0 [ 88.658449][ T5085] ? gre_tap_xmit+0x4fe/0x6e0 [ 88.663173][ T5085] dev_hard_start_xmit+0x27a/0x7e0 [ 88.668324][ T5085] sch_direct_xmit+0x2b6/0x5f0 [ 88.673128][ T5085] ? __pfx_sch_direct_xmit+0x10/0x10 [ 88.678529][ T5085] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 88.684541][ T5085] __dev_queue_xmit+0x19eb/0x3ca0 [ 88.689589][ T5085] ? __dev_queue_xmit+0x2c7/0x3ca0 [ 88.694717][ T5085] ? __pfx___dev_queue_xmit+0x10/0x10 [ 88.700131][ T5085] ? netdev_lower_get_next_private_rcu+0x9e/0x100 [ 88.706614][ T5085] ? bond_get_slave_by_id+0x5c8/0x5d0 [ 88.711992][ T5085] ? ____sys_sendmsg+0x525/0x7d0 [ 88.716938][ T5085] ? __sys_sendmsg+0x2b0/0x3a0 [ 88.721708][ T5085] ? __pfx_bond_get_slave_by_id+0x10/0x10 [ 88.727433][ T5085] ? bond_xmit_roundrobin_slave_get+0x24c/0x420 [ 88.733685][ T5085] bond_start_xmit+0x1389/0x1c40 [ 88.738650][ T5085] ? bond_start_xmit+0x128/0x1c40 [ 88.743703][ T5085] ? __pfx_bond_start_xmit+0x10/0x10 [ 88.749092][ T5085] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 88.755112][ T5085] ? validate_xmit_xfrm+0xc1/0x1260 [ 88.760417][ T5085] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 88.766759][ T5085] ? __pfx_validate_xmit_xfrm+0x10/0x10 [ 88.772450][ T5085] ? validate_xmit_skb+0x5b5/0x1120 [ 88.777649][ T5085] ? kmem_cache_free+0x10b/0x2c0 [ 88.782625][ T5085] ? validate_xmit_skb+0xa04/0x1120 [ 88.787855][ T5085] dev_hard_start_xmit+0x27a/0x7e0 [ 88.792992][ T5085] __dev_queue_xmit+0x1ad1/0x3ca0 [ 88.798053][ T5085] ? __dev_queue_xmit+0x2c7/0x3ca0 [ 88.803170][ T5085] ? skb_partial_csum_set+0x105/0x350 [ 88.808563][ T5085] ? __pfx___dev_queue_xmit+0x10/0x10 [ 88.813952][ T5085] ? virtio_net_hdr_to_skb+0xa6a/0x1330 [ 88.819528][ T5085] ? packet_parse_headers+0x7bd/0xad0 [ 88.825028][ T5085] ? __pfx_virtio_net_hdr_to_skb+0x10/0x10 [ 88.830874][ T5085] ? packet_xmit+0x68/0x330 [ 88.835398][ T5085] packet_sendmsg+0x46a9/0x6130 [ 88.840295][ T5085] ? __pfx___might_resched+0x10/0x10 [ 88.845610][ T5085] ? aa_sk_perm+0x967/0xab0 [ 88.850133][ T5085] ? __pfx_packet_sendmsg+0x10/0x10 [ 88.855447][ T5085] ? __import_iovec+0x361/0x820 [ 88.860302][ T5085] ? aa_sock_msg_perm+0x91/0x160 [ 88.865454][ T5085] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 88.871056][ T5085] ? security_socket_sendmsg+0x87/0xb0 [ 88.876538][ T5085] ? __pfx_packet_sendmsg+0x10/0x10 [ 88.881779][ T5085] __sock_sendmsg+0x221/0x270 [ 88.886491][ T5085] ____sys_sendmsg+0x525/0x7d0 [ 88.891322][ T5085] ? __pfx_____sys_sendmsg+0x10/0x10 [ 88.896631][ T5085] ? do_raw_spin_lock+0x14f/0x370 [ 88.901681][ T5085] __sys_sendmsg+0x2b0/0x3a0 [ 88.906457][ T5085] ? __pfx___sys_sendmsg+0x10/0x10 [ 88.911669][ T5085] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 88.918026][ T5085] ? _raw_spin_unlock_irq+0x2e/0x50 [ 88.923238][ T5085] ? ptrace_notify+0x279/0x380 [ 88.928030][ T5085] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 88.934477][ T5085] ? do_syscall_64+0x102/0x240 [ 88.939258][ T5085] do_syscall_64+0xf5/0x240 [ 88.943798][ T5085] ? clear_bhb_loop+0x35/0x90 [ 88.948519][ T5085] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.954432][ T5085] RIP: 0033:0x7fd69c8fdc09 [ 88.958863][ T5085] Code: 48 83 c4 28 c3 e8 d7 19 00 00 0f 1f 80 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 b8 ff ff ff f7 d8 64 89 01 48 [ 88.978677][ T5085] RSP: 002b:00007ffd0712cf38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 88.987119][ T5085] RAX: ffffffffffffffda RBX: 00007fd69c94b3d3 RCX: 00007fd69c8fdc09 [ 88.995107][ T5085] RDX: 00000000200400c4 RSI: 0000000020000180 RDI: 0000000000000004 [ 89.003731][ T5085] RBP: 00007ffd0712cf60 R08: 0000000000000001 R09: 0000000000000001 [ 89.011733][ T5085] R10: 0000000000000004 R11: 0000000000000246 R12: 00007ffd0712cf70 [ 89.019723][ T5085] R13: 00007fd69c94b004 R14: 00007ffd0712cf5c R15: 0000000000000003 [ 89.028179][ T5085] [ 89.031522][ T5085] Kernel Offset: disabled [ 89.035917][ T5085] Rebooting in 86400 seconds..