./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1281247746 <...> Warning: Permanently added '10.128.1.173' (ED25519) to the list of known hosts. execve("./syz-executor1281247746", ["./syz-executor1281247746"], 0x7fffbdf2a6d0 /* 10 vars */) = 0 brk(NULL) = 0x555569aae000 brk(0x555569aaed00) = 0x555569aaed00 arch_prctl(ARCH_SET_FS, 0x555569aae380) = 0 set_tid_address(0x555569aae650) = 5081 set_robust_list(0x555569aae660, 24) = 0 rseq(0x555569aaeca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1281247746", 4096) = 28 getrandom("\x50\x46\x67\x49\x1e\x04\x2a\x09", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555569aaed00 brk(0x555569acfd00) = 0x555569acfd00 brk(0x555569ad0000) = 0x555569ad0000 mprotect(0x7f584fe1c000, 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 5082 attached , child_tidptr=0x555569aae650) = 5082 [pid 5082] set_robust_list(0x555569aae660, 24) = 0 [pid 5082] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5082] setsid() = 1 [pid 5082] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5082] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5082] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5082] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5082] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5082] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5082] unshare(CLONE_NEWNS) = 0 [pid 5082] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5082] unshare(CLONE_NEWIPC) = 0 [pid 5082] unshare(CLONE_NEWCGROUP) = 0 [pid 5082] unshare(CLONE_NEWUTS) = 0 [pid 5082] unshare(CLONE_SYSVSEM) = 0 [pid 5082] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5082] write(3, "16777216", 8) = 8 [pid 5082] close(3) = 0 [pid 5082] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5082] write(3, "536870912", 9) = 9 [pid 5082] close(3) = 0 [pid 5082] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5082] write(3, "1024", 4) = 4 [pid 5082] close(3) = 0 [pid 5082] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5082] write(3, "8192", 4) = 4 [pid 5082] close(3) = 0 [pid 5082] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5082] write(3, "1024", 4) = 4 [pid 5082] close(3) = 0 [pid 5082] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5082] write(3, "1024", 4) = 4 [pid 5082] close(3) = 0 [pid 5082] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5082] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5082] close(3) = 0 [pid 5082] getpid() = 1 [pid 5082] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 e9 1e fb ff ff 44 89 f7 44 89 e6 e8 33 40 90 f7 45 39 e6 [ 71.099258][ T5082] RSP: 0018:ffffc9000368ed20 EFLAGS: 00010293 [ 71.105359][ T5082] RAX: ffffffff8a05ddc9 RBX: 0000000000000000 RCX: ffff888029d79e00 [ 71.113374][ T5082] RDX: 0000000000000000 RSI: 00000000ffffffb6 RDI: 0000000000000000 [ 71.121390][ T5082] RBP: ffffc9000368ee20 R08: ffffffff8a05d8e2 R09: 1ffffffff1f526d5 [ 71.129366][ T5082] R10: dffffc0000000000 R11: ffffffff8a05d780 R12: 00000000ffffffb6 [ 71.137374][ T5082] R13: ffff888023371b40 R14: ffff888023371c10 R15: dffffc0000000000 [ 71.145409][ T5082] FS: 0000555569aae380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 71.154411][ T5082] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.161033][ T5082] CR2: 0000000020010000 CR3: 00000000231bc000 CR4: 00000000003506f0 [ 71.168993][ T5082] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.177025][ T5082] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.185034][ T5082] Call Trace: [ 71.188300][ T5082] [ 71.191265][ T5082] ? __warn+0x163/0x4e0 [ 71.195433][ T5082] ? gre_tap_xmit+0x64a/0x800 [ 71.200148][ T5082] ? report_bug+0x2b3/0x500 [ 71.204665][ T5082] ? gre_tap_xmit+0x64a/0x800 [ 71.209330][ T5082] ? handle_bug+0x3e/0x70 [ 71.213690][ T5082] ? exc_invalid_op+0x1a/0x50 [ 71.218379][ T5082] ? asm_exc_invalid_op+0x1a/0x20 [ 71.223457][ T5082] ? __pfx_gre_tap_xmit+0x10/0x10 [ 71.228526][ T5082] ? gre_tap_xmit+0x162/0x800 [ 71.233236][ T5082] ? gre_tap_xmit+0x649/0x800 [ 71.237924][ T5082] ? gre_tap_xmit+0x64a/0x800 [ 71.242659][ T5082] ? __pfx_gre_tap_xmit+0x10/0x10 [ 71.247696][ T5082] ? validate_xmit_skb+0xa04/0x1120 [ 71.252963][ T5082] dev_hard_start_xmit+0x27a/0x7e0 [ 71.258200][ T5082] sch_direct_xmit+0x2b6/0x5f0 [ 71.263015][ T5082] ? __pfx_sch_direct_xmit+0x10/0x10 [ 71.268316][ T5082] __dev_queue_xmit+0x1a24/0x3d30 [ 71.273416][ T5082] ? __dev_queue_xmit+0x2d2/0x3d30 [ 71.278556][ T5082] ? __pfx___dev_queue_xmit+0x10/0x10 [ 71.283983][ T5082] ? netdev_lower_get_next_private_rcu+0x9e/0x100 [ 71.290429][ T5082] ? bond_get_slave_by_id+0x5c8/0x5d0 [ 71.295789][ T5082] ? __pfx_lock_release+0x10/0x10 [ 71.300865][ T5082] ? __pfx_bond_get_slave_by_id+0x10/0x10 [ 71.306595][ T5082] ? bond_xmit_roundrobin_slave_get+0x24c/0x420 [ 71.312886][ T5082] bond_start_xmit+0x1389/0x1c40 [ 71.317837][ T5082] ? bond_start_xmit+0x128/0x1c40 [ 71.322907][ T5082] ? __pfx_bond_start_xmit+0x10/0x10 [ 71.328202][ T5082] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 71.334224][ T5082] ? validate_xmit_xfrm+0xc1/0x1260 [ 71.339432][ T5082] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 71.345803][ T5082] ? __pfx_validate_xmit_xfrm+0x10/0x10 [ 71.351393][ T5082] ? validate_xmit_skb+0x5b5/0x1120 [ 71.356580][ T5082] ? kmem_cache_free+0x10b/0x2c0 [ 71.361557][ T5082] ? validate_xmit_skb+0xa04/0x1120 [ 71.366772][ T5082] dev_hard_start_xmit+0x27a/0x7e0 [ 71.371942][ T5082] __dev_queue_xmit+0x1b0e/0x3d30 [ 71.376986][ T5082] ? __dev_queue_xmit+0x2d2/0x3d30 [ 71.382147][ T5082] ? skb_partial_csum_set+0x105/0x350 [ 71.387537][ T5082] ? __pfx___dev_queue_xmit+0x10/0x10 [ 71.392951][ T5082] ? virtio_net_hdr_to_skb+0xa6a/0x1330 [ 71.398501][ T5082] ? packet_parse_headers+0x7bd/0xad0 [ 71.403949][ T5082] ? __pfx_virtio_net_hdr_to_skb+0x10/0x10 [ 71.409805][ T5082] ? packet_xmit+0x68/0x330 [ 71.414330][ T5082] packet_sendmsg+0x46a9/0x6130 [ 71.419206][ T5082] ? __pfx___might_resched+0x10/0x10 [ 71.424546][ T5082] ? aa_sk_perm+0x967/0xab0 [ 71.429083][ T5082] ? __pfx_packet_sendmsg+0x10/0x10 [ 71.434355][ T5082] ? __import_iovec+0x361/0x820 [ 71.439215][ T5082] ? aa_sock_msg_perm+0x91/0x160 [ 71.444212][ T5082] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 71.449525][ T5082] ? security_socket_sendmsg+0x87/0xb0 [ 71.455027][ T5082] ? __pfx_packet_sendmsg+0x10/0x10 [ 71.460259][ T5082] __sock_sendmsg+0x221/0x270 [ 71.464928][ T5082] ____sys_sendmsg+0x525/0x7d0 [ 71.469728][ T5082] ? __pfx_____sys_sendmsg+0x10/0x10 [ 71.475026][ T5082] ? do_raw_spin_lock+0x14f/0x370 [ 71.480111][ T5082] __sys_sendmsg+0x2b0/0x3a0 [ 71.484719][ T5082] ? __pfx___sys_sendmsg+0x10/0x10 [ 71.489886][ T5082] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 71.496319][ T5082] ? _raw_spin_unlock_irq+0x2e/0x50 [ 71.501585][ T5082] ? ptrace_notify+0x279/0x380 [ 71.506397][ T5082] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 71.512780][ T5082] ? do_syscall_64+0x102/0x240 [ 71.517593][ T5082] do_syscall_64+0xf5/0x240 [ 71.522150][ T5082] ? clear_bhb_loop+0x35/0x90 [ 71.526925][ T5082] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 71.532885][ T5082] RIP: 0033:0x7f584fda3c09 [ 71.537314][ T5082] 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 [ 71.557488][ T5082] RSP: 002b:00007fff94385308 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 71.565957][ T5082] RAX: ffffffffffffffda RBX: 00007f584fdf13d3 RCX: 00007f584fda3c09 [ 71.573979][ T5082] RDX: 00000000200400c4 RSI: 0000000020000180 RDI: 0000000000000004 [ 71.582421][ T5082] RBP: 00007fff94385330 R08: 0000000000000001 R09: 0000000000000001 [ 71.590430][ T5082] R10: 0000000000000004 R11: 0000000000000246 R12: 00007fff94385340 [ 71.598430][ T5082] R13: 00007f584fdf1004 R14: 00007fff9438532c R15: 0000000000000003 [ 71.606543][ T5082] [ 71.609573][ T5082] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 71.616849][ T5082] CPU: 1 PID: 5082 Comm: syz-executor128 Not tainted 6.9.0-rc5-syzkaller-01502-gfcd1ed89a043 #0 [ 71.627239][ T5082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 71.637277][ T5082] Call Trace: [ 71.640541][ T5082] [ 71.643456][ T5082] dump_stack_lvl+0x241/0x360 [ 71.648161][ T5082] ? __pfx_dump_stack_lvl+0x10/0x10 [ 71.653346][ T5082] ? __pfx__printk+0x10/0x10 [ 71.657923][ T5082] ? vscnprintf+0x5d/0x90 [ 71.662248][ T5082] panic+0x349/0x860 [ 71.666132][ T5082] ? __warn+0x172/0x4e0 [ 71.670280][ T5082] ? __pfx_panic+0x10/0x10 [ 71.674693][ T5082] __warn+0x346/0x4e0 [ 71.678660][ T5082] ? gre_tap_xmit+0x64a/0x800 [ 71.683329][ T5082] report_bug+0x2b3/0x500 [ 71.687642][ T5082] ? gre_tap_xmit+0x64a/0x800 [ 71.692308][ T5082] handle_bug+0x3e/0x70 [ 71.696477][ T5082] exc_invalid_op+0x1a/0x50 [ 71.700965][ T5082] asm_exc_invalid_op+0x1a/0x20 [ 71.705798][ T5082] RIP: 0010:gre_tap_xmit+0x64a/0x800 [ 71.711082][ T5082] Code: 84 c0 0f 85 6b 01 00 00 0f b6 8b 35 0d 00 00 4c 89 e7 48 89 de 48 8b 54 24 18 e8 f1 97 fb ff e9 e3 fb ff ff e8 87 3e 90 f7 90 <0f> 0b 90 e9 1e fb ff ff 44 89 f7 44 89 e6 e8 33 40 90 f7 45 39 e6 [ 71.730707][ T5082] RSP: 0018:ffffc9000368ed20 EFLAGS: 00010293 [ 71.736772][ T5082] RAX: ffffffff8a05ddc9 RBX: 0000000000000000 RCX: ffff888029d79e00 [ 71.744734][ T5082] RDX: 0000000000000000 RSI: 00000000ffffffb6 RDI: 0000000000000000 [ 71.752712][ T5082] RBP: ffffc9000368ee20 R08: ffffffff8a05d8e2 R09: 1ffffffff1f526d5 [ 71.760685][ T5082] R10: dffffc0000000000 R11: ffffffff8a05d780 R12: 00000000ffffffb6 [ 71.768653][ T5082] R13: ffff888023371b40 R14: ffff888023371c10 R15: dffffc0000000000 [ 71.776627][ T5082] ? __pfx_gre_tap_xmit+0x10/0x10 [ 71.781660][ T5082] ? gre_tap_xmit+0x162/0x800 [ 71.786336][ T5082] ? gre_tap_xmit+0x649/0x800 [ 71.791019][ T5082] ? __pfx_gre_tap_xmit+0x10/0x10 [ 71.796035][ T5082] ? validate_xmit_skb+0xa04/0x1120 [ 71.801234][ T5082] dev_hard_start_xmit+0x27a/0x7e0 [ 71.806350][ T5082] sch_direct_xmit+0x2b6/0x5f0 [ 71.811119][ T5082] ? __pfx_sch_direct_xmit+0x10/0x10 [ 71.816494][ T5082] __dev_queue_xmit+0x1a24/0x3d30 [ 71.821523][ T5082] ? __dev_queue_xmit+0x2d2/0x3d30 [ 71.826632][ T5082] ? __pfx___dev_queue_xmit+0x10/0x10 [ 71.832009][ T5082] ? netdev_lower_get_next_private_rcu+0x9e/0x100 [ 71.838414][ T5082] ? bond_get_slave_by_id+0x5c8/0x5d0 [ 71.843777][ T5082] ? __pfx_lock_release+0x10/0x10 [ 71.848796][ T5082] ? __pfx_bond_get_slave_by_id+0x10/0x10 [ 71.854506][ T5082] ? bond_xmit_roundrobin_slave_get+0x24c/0x420 [ 71.860749][ T5082] bond_start_xmit+0x1389/0x1c40 [ 71.865685][ T5082] ? bond_start_xmit+0x128/0x1c40 [ 71.870703][ T5082] ? __pfx_bond_start_xmit+0x10/0x10 [ 71.875999][ T5082] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 71.882027][ T5082] ? validate_xmit_xfrm+0xc1/0x1260 [ 71.887247][ T5082] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 71.893589][ T5082] ? __pfx_validate_xmit_xfrm+0x10/0x10 [ 71.899147][ T5082] ? validate_xmit_skb+0x5b5/0x1120 [ 71.904348][ T5082] ? kmem_cache_free+0x10b/0x2c0 [ 71.909287][ T5082] ? validate_xmit_skb+0xa04/0x1120 [ 71.914499][ T5082] dev_hard_start_xmit+0x27a/0x7e0 [ 71.919649][ T5082] __dev_queue_xmit+0x1b0e/0x3d30 [ 71.924713][ T5082] ? __dev_queue_xmit+0x2d2/0x3d30 [ 71.929845][ T5082] ? skb_partial_csum_set+0x105/0x350 [ 71.935227][ T5082] ? __pfx___dev_queue_xmit+0x10/0x10 [ 71.940607][ T5082] ? virtio_net_hdr_to_skb+0xa6a/0x1330 [ 71.946150][ T5082] ? packet_parse_headers+0x7bd/0xad0 [ 71.951529][ T5082] ? __pfx_virtio_net_hdr_to_skb+0x10/0x10 [ 71.957330][ T5082] ? packet_xmit+0x68/0x330 [ 71.961852][ T5082] packet_sendmsg+0x46a9/0x6130 [ 71.966720][ T5082] ? __pfx___might_resched+0x10/0x10 [ 71.972011][ T5082] ? aa_sk_perm+0x967/0xab0 [ 71.976509][ T5082] ? __pfx_packet_sendmsg+0x10/0x10 [ 71.981709][ T5082] ? __import_iovec+0x361/0x820 [ 71.986551][ T5082] ? aa_sock_msg_perm+0x91/0x160 [ 71.991482][ T5082] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 71.996850][ T5082] ? security_socket_sendmsg+0x87/0xb0 [ 72.002325][ T5082] ? __pfx_packet_sendmsg+0x10/0x10 [ 72.007620][ T5082] __sock_sendmsg+0x221/0x270 [ 72.012305][ T5082] ____sys_sendmsg+0x525/0x7d0 [ 72.017113][ T5082] ? __pfx_____sys_sendmsg+0x10/0x10 [ 72.022418][ T5082] ? do_raw_spin_lock+0x14f/0x370 [ 72.027449][ T5082] __sys_sendmsg+0x2b0/0x3a0 [ 72.032034][ T5082] ? __pfx___sys_sendmsg+0x10/0x10 [ 72.037149][ T5082] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 72.043484][ T5082] ? _raw_spin_unlock_irq+0x2e/0x50 [ 72.048681][ T5082] ? ptrace_notify+0x279/0x380 [ 72.053445][ T5082] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 72.059765][ T5082] ? do_syscall_64+0x102/0x240 [ 72.064530][ T5082] do_syscall_64+0xf5/0x240 [ 72.069027][ T5082] ? clear_bhb_loop+0x35/0x90 [ 72.073697][ T5082] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 72.079589][ T5082] RIP: 0033:0x7f584fda3c09 [ 72.083999][ T5082] 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 [ 72.103594][ T5082] RSP: 002b:00007fff94385308 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 72.112000][ T5082] RAX: ffffffffffffffda RBX: 00007f584fdf13d3 RCX: 00007f584fda3c09 [ 72.119969][ T5082] RDX: 00000000200400c4 RSI: 0000000020000180 RDI: 0000000000000004 [ 72.127929][ T5082] RBP: 00007fff94385330 R08: 0000000000000001 R09: 0000000000000001 [ 72.135891][ T5082] R10: 0000000000000004 R11: 0000000000000246 R12: 00007fff94385340 [ 72.143852][ T5082] R13: 00007f584fdf1004 R14: 00007fff9438532c R15: 0000000000000003 [ 72.151824][ T5082] [ 72.155120][ T5082] Kernel Offset: disabled [ 72.159474][ T5082] Rebooting in 86400 seconds..