./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1588700660 <...> Warning: Permanently added '10.128.1.64' (ED25519) to the list of known hosts. execve("./syz-executor1588700660", ["./syz-executor1588700660"], 0x7ffe510c6490 /* 10 vars */) = 0 brk(NULL) = 0x555555cea000 brk(0x555555cead00) = 0x555555cead00 arch_prctl(ARCH_SET_FS, 0x555555cea380) = 0 set_tid_address(0x555555cea650) = 5043 set_robust_list(0x555555cea660, 24) = 0 rseq(0x555555ceaca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1588700660", 4096) = 28 getrandom("\x3d\x40\x5d\xe2\x38\x41\x4f\x4d", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555cead00 brk(0x555555d0bd00) = 0x555555d0bd00 brk(0x555555d0c000) = 0x555555d0c000 mprotect(0x7f4b30e57000, 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=0x555555cea650) = 5044 ./strace-static-x86_64: Process 5044 attached [pid 5044] set_robust_list(0x555555cea660, 24) = 0 [pid 5044] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5044] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5044] setsid() = 1 [pid 5044] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5044] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5044] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5044] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5044] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5044] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5044] unshare(CLONE_NEWNS) = 0 [pid 5044] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5044] unshare(CLONE_NEWIPC) = 0 [pid 5044] unshare(CLONE_NEWCGROUP) = 0 [pid 5044] unshare(CLONE_NEWUTS) = 0 [pid 5044] unshare(CLONE_SYSVSEM) = 0 [pid 5044] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5044] write(3, "16777216", 8) = 8 [pid 5044] close(3) = 0 [pid 5044] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5044] write(3, "536870912", 9) = 9 [pid 5044] close(3) = 0 [pid 5044] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5044] write(3, "1024", 4) = 4 [pid 5044] close(3) = 0 [pid 5044] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5044] write(3, "8192", 4) = 4 [pid 5044] close(3) = 0 [pid 5044] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5044] write(3, "1024", 4) = 4 [pid 5044] close(3) = 0 [pid 5044] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5044] write(3, "1024", 4) = 4 [pid 5044] close(3) = 0 [pid 5044] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5044] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5044] close(3) = 0 [pid 5044] getpid() = 1 [pid 5044] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 5b 5d 41 5c 41 5d e9 8b fe 56 f9 e8 86 fe 56 f9 48 89 ea 49 [ 94.163405][ T5044] RSP: 0018:ffffc90003a7f6a0 EFLAGS: 00010282 [ 94.169549][ T5044] RAX: 0000000000000000 RBX: ffff888028112370 RCX: 0000000000000000 [ 94.177554][ T5044] RDX: ffff888024e99dc0 RSI: ffffffff814dc276 RDI: 0000000000000001 [ 94.185734][ T5044] RBP: ffff88801bfda0f0 R08: 0000000000000001 R09: 0000000000000000 [ 94.194136][ T5044] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801bfda000 [ 94.202212][ T5044] R13: 0000000000000065 R14: 000000000000000e R15: 0000000000000000 [ 94.210263][ T5044] FS: 0000555555cea380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 94.219286][ T5044] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.225907][ T5044] CR2: 0000000020001000 CR3: 0000000071d4b000 CR4: 00000000003506f0 [ 94.234120][ T5044] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 94.242171][ T5044] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 94.250283][ T5044] Call Trace: [ 94.253675][ T5044] [ 94.256646][ T5044] ? show_regs+0x8f/0xa0 [ 94.260972][ T5044] ? __warn+0xe6/0x380 [ 94.265117][ T5044] ? skb_warn_bad_offload+0x118/0x240 [ 94.270651][ T5044] ? report_bug+0x3bc/0x580 [ 94.275297][ T5044] ? handle_bug+0x3c/0x70 [ 94.279798][ T5044] ? exc_invalid_op+0x17/0x40 [ 94.284525][ T5044] ? asm_exc_invalid_op+0x1a/0x20 [ 94.289630][ T5044] ? __warn_printk+0x1a6/0x350 [ 94.294450][ T5044] ? skb_warn_bad_offload+0x118/0x240 [ 94.299954][ T5044] __skb_gso_segment+0x3ef/0x710 [ 94.305122][ T5044] validate_xmit_skb+0x3a5/0xf10 [ 94.310140][ T5044] ? handle_mm_fault+0x4f1/0xa00 [ 94.315220][ T5044] validate_xmit_skb_list+0xc1/0x130 [ 94.320704][ T5044] sch_direct_xmit+0x3e6/0xc20 [ 94.325705][ T5044] ? lock_sync+0x101/0x190 [ 94.330219][ T5044] ? lock_sync+0x190/0x190 [ 94.334733][ T5044] ? dev_watchdog+0x8f0/0x8f0 [ 94.339521][ T5044] ? do_raw_spin_trylock+0xb1/0x180 [ 94.344777][ T5044] ? do_raw_spin_lock+0x290/0x2b0 [ 94.349877][ T5044] __dev_queue_xmit+0x1286/0x3d60 [ 94.355048][ T5044] ? netdev_core_pick_tx+0x390/0x390 [ 94.360413][ T5044] ? virtio_net_hdr_to_skb.constprop.0+0x840/0x1230 [ 94.367055][ T5044] ? virtio_net_hdr_to_skb.constprop.0+0x84b/0x1230 [ 94.373714][ T5044] ? virtio_net_hdr_to_skb.constprop.0+0x685/0x1230 [ 94.380420][ T5044] ? packet_release+0xdc0/0xdc0 [ 94.385412][ T5044] packet_xmit+0x257/0x380 [ 94.389925][ T5044] packet_sendmsg+0x24c7/0x5570 [ 94.394917][ T5044] ? psi_group_change+0x4fa/0xdc0 [ 94.400030][ T5044] ? rcu_is_watching+0x12/0xb0 [ 94.404832][ T5044] ? preempt_count_sub+0x150/0x150 [ 94.410019][ T5044] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 94.415968][ T5044] ? aa_sk_perm+0x2c1/0xae0 [ 94.420563][ T5044] ? __schedule+0xee9/0x59f0 [ 94.425304][ T5044] ? packet_lookup_frame.isra.0+0x1c0/0x1c0 [ 94.431335][ T5044] ? aa_af_perm+0x260/0x260 [ 94.435952][ T5044] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 94.441344][ T5044] ? packet_lookup_frame.isra.0+0x1c0/0x1c0 [ 94.447511][ T5044] sock_sendmsg+0xd9/0x180 [ 94.452016][ T5044] __sys_sendto+0x255/0x340 [ 94.456579][ T5044] ? __ia32_sys_getpeername+0xb0/0xb0 [ 94.462152][ T5044] ? cgroup_update_frozen+0x144/0x6b0 [ 94.467597][ T5044] ? rcu_is_watching+0x12/0xb0 [ 94.472607][ T5044] ? rcu_is_watching+0x12/0xb0 [ 94.477414][ T5044] ? trace_irq_enable.constprop.0+0xd0/0x100 [ 94.483485][ T5044] __x64_sys_sendto+0xe0/0x1b0 [ 94.488426][ T5044] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 94.494777][ T5044] do_syscall_64+0x38/0xb0 [ 94.499256][ T5044] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 94.505204][ T5044] RIP: 0033:0x7f4b30ddf499 [ 94.509841][ T5044] 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 [ 94.529600][ T5044] RSP: 002b:00007ffec11b02d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 94.538051][ T5044] RAX: ffffffffffffffda RBX: 00007f4b30e2c390 RCX: 00007f4b30ddf499 [ 94.546201][ T5044] RDX: 0000000000002378 RSI: 0000000020000080 RDI: 0000000000000003 [ 94.554280][ T5044] RBP: 0000000000000003 R08: 0000000000000000 R09: 00000000000002ff [ 94.562325][ T5044] R10: 0000000004000002 R11: 0000000000000246 R12: 00007ffec11b0330 [ 94.570356][ T5044] R13: 00007ffec11b0300 R14: 0000000000000001 R15: 00007ffec11b0330 [ 94.578576][ T5044] [ 94.581628][ T5044] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 94.588923][ T5044] CPU: 0 PID: 5044 Comm: syz-executor158 Not tainted 6.5.0-rc6-next-20230816-syzkaller #0 [ 94.598879][ T5044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 94.609039][ T5044] Call Trace: [ 94.612332][ T5044] [ 94.615278][ T5044] dump_stack_lvl+0xd9/0x1b0 [ 94.619902][ T5044] panic+0x6a6/0x750 [ 94.623824][ T5044] ? panic_smp_self_stop+0xa0/0xa0 [ 94.629105][ T5044] ? skb_warn_bad_offload+0x118/0x240 [ 94.634508][ T5044] check_panic_on_warn+0xab/0xb0 [ 94.639648][ T5044] __warn+0xf2/0x380 [ 94.643569][ T5044] ? skb_warn_bad_offload+0x118/0x240 [ 94.649119][ T5044] report_bug+0x3bc/0x580 [ 94.653507][ T5044] handle_bug+0x3c/0x70 [ 94.657712][ T5044] exc_invalid_op+0x17/0x40 [ 94.662250][ T5044] asm_exc_invalid_op+0x1a/0x20 [ 94.667141][ T5044] RIP: 0010:skb_warn_bad_offload+0x118/0x240 [ 94.673158][ T5044] Code: 70 03 00 00 e8 b9 fe 56 f9 48 81 c5 f0 00 00 00 e8 ad fe 56 f9 48 89 d9 48 89 ea 4c 89 e6 48 c7 c7 60 bd a2 8b e8 a8 0e 1d f9 <0f> 0b 5b 5d 41 5c 41 5d e9 8b fe 56 f9 e8 86 fe 56 f9 48 89 ea 49 [ 94.692786][ T5044] RSP: 0018:ffffc90003a7f6a0 EFLAGS: 00010282 [ 94.698875][ T5044] RAX: 0000000000000000 RBX: ffff888028112370 RCX: 0000000000000000 [ 94.706948][ T5044] RDX: ffff888024e99dc0 RSI: ffffffff814dc276 RDI: 0000000000000001 [ 94.715288][ T5044] RBP: ffff88801bfda0f0 R08: 0000000000000001 R09: 0000000000000000 [ 94.723274][ T5044] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801bfda000 [ 94.731265][ T5044] R13: 0000000000000065 R14: 000000000000000e R15: 0000000000000000 [ 94.739263][ T5044] ? __warn_printk+0x1a6/0x350 [ 94.744150][ T5044] __skb_gso_segment+0x3ef/0x710 [ 94.749122][ T5044] validate_xmit_skb+0x3a5/0xf10 [ 94.754086][ T5044] ? handle_mm_fault+0x4f1/0xa00 [ 94.759051][ T5044] validate_xmit_skb_list+0xc1/0x130 [ 94.764367][ T5044] sch_direct_xmit+0x3e6/0xc20 [ 94.769213][ T5044] ? lock_sync+0x101/0x190 [ 94.773835][ T5044] ? lock_sync+0x190/0x190 [ 94.778563][ T5044] ? dev_watchdog+0x8f0/0x8f0 [ 94.783286][ T5044] ? do_raw_spin_trylock+0xb1/0x180 [ 94.788535][ T5044] ? do_raw_spin_lock+0x290/0x2b0 [ 94.793617][ T5044] __dev_queue_xmit+0x1286/0x3d60 [ 94.798680][ T5044] ? netdev_core_pick_tx+0x390/0x390 [ 94.804003][ T5044] ? virtio_net_hdr_to_skb.constprop.0+0x840/0x1230 [ 94.810616][ T5044] ? virtio_net_hdr_to_skb.constprop.0+0x84b/0x1230 [ 94.817232][ T5044] ? virtio_net_hdr_to_skb.constprop.0+0x685/0x1230 [ 94.823852][ T5044] ? packet_release+0xdc0/0xdc0 [ 94.828738][ T5044] packet_xmit+0x257/0x380 [ 94.833181][ T5044] packet_sendmsg+0x24c7/0x5570 [ 94.838580][ T5044] ? psi_group_change+0x4fa/0xdc0 [ 94.843669][ T5044] ? rcu_is_watching+0x12/0xb0 [ 94.848466][ T5044] ? preempt_count_sub+0x150/0x150 [ 94.853622][ T5044] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 94.859585][ T5044] ? aa_sk_perm+0x2c1/0xae0 [ 94.864235][ T5044] ? __schedule+0xee9/0x59f0 [ 94.869214][ T5044] ? packet_lookup_frame.isra.0+0x1c0/0x1c0 [ 94.875135][ T5044] ? aa_af_perm+0x260/0x260 [ 94.879670][ T5044] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 94.885089][ T5044] ? packet_lookup_frame.isra.0+0x1c0/0x1c0 [ 94.891098][ T5044] sock_sendmsg+0xd9/0x180 [ 94.895549][ T5044] __sys_sendto+0x255/0x340 [ 94.900085][ T5044] ? __ia32_sys_getpeername+0xb0/0xb0 [ 94.905494][ T5044] ? cgroup_update_frozen+0x144/0x6b0 [ 94.910913][ T5044] ? rcu_is_watching+0x12/0xb0 [ 94.915713][ T5044] ? rcu_is_watching+0x12/0xb0 [ 94.920503][ T5044] ? trace_irq_enable.constprop.0+0xd0/0x100 [ 94.927042][ T5044] __x64_sys_sendto+0xe0/0x1b0 [ 94.931842][ T5044] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 94.938127][ T5044] do_syscall_64+0x38/0xb0 [ 94.942589][ T5044] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 94.948529][ T5044] RIP: 0033:0x7f4b30ddf499 [ 94.952962][ T5044] 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 [ 94.972698][ T5044] RSP: 002b:00007ffec11b02d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 94.981159][ T5044] RAX: ffffffffffffffda RBX: 00007f4b30e2c390 RCX: 00007f4b30ddf499 [ 94.989333][ T5044] RDX: 0000000000002378 RSI: 0000000020000080 RDI: 0000000000000003 [ 94.997410][ T5044] RBP: 0000000000000003 R08: 0000000000000000 R09: 00000000000002ff [ 95.005465][ T5044] R10: 0000000004000002 R11: 0000000000000246 R12: 00007ffec11b0330 [ 95.014086][ T5044] R13: 00007ffec11b0300 R14: 0000000000000001 R15: 00007ffec11b0330 [ 95.022092][ T5044] [ 95.025473][ T5044] Kernel Offset: disabled [ 95.029825][ T5044] Rebooting in 86400 seconds..