./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2858972066 <...> Warning: Permanently added '10.128.0.74' (ED25519) to the list of known hosts. execve("./syz-executor2858972066", ["./syz-executor2858972066"], 0x7fff060e5e20 /* 10 vars */) = 0 brk(NULL) = 0x55555626c000 brk(0x55555626cd00) = 0x55555626cd00 arch_prctl(ARCH_SET_FS, 0x55555626c380) = 0 set_tid_address(0x55555626c650) = 5042 set_robust_list(0x55555626c660, 24) = 0 rseq(0x55555626cca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2858972066", 4096) = 28 getrandom("\x5b\xe7\xc1\x86\xff\x64\x39\xa8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555626cd00 brk(0x55555628dd00) = 0x55555628dd00 brk(0x55555628e000) = 0x55555628e000 mprotect(0x7f0cd5a42000, 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=0x55555626c650) = 5043 ./strace-static-x86_64: Process 5043 attached [pid 5043] set_robust_list(0x55555626c660, 24) = 0 [pid 5043] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5043] setsid() = 1 [pid 5043] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5043] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5043] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5043] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5043] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5043] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5043] unshare(CLONE_NEWNS) = 0 [pid 5043] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5043] unshare(CLONE_NEWIPC) = 0 [pid 5043] unshare(CLONE_NEWCGROUP) = 0 [pid 5043] unshare(CLONE_NEWUTS) = 0 [pid 5043] unshare(CLONE_SYSVSEM) = 0 [pid 5043] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5043] write(3, "16777216", 8) = 8 [pid 5043] close(3) = 0 [pid 5043] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5043] write(3, "536870912", 9) = 9 [pid 5043] close(3) = 0 [pid 5043] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5043] write(3, "1024", 4) = 4 [pid 5043] close(3) = 0 [pid 5043] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5043] write(3, "8192", 4) = 4 [pid 5043] close(3) = 0 [pid 5043] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5043] write(3, "1024", 4) = 4 [pid 5043] close(3) = 0 [pid 5043] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5043] write(3, "1024", 4) = 4 [pid 5043] close(3) = 0 [pid 5043] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5043] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5043] close(3) = 0 [pid 5043] getpid() = 1 [pid 5043] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 0f b6 2d a5 34 87 06 31 ff 89 ee e8 39 11 57 f9 40 84 ed 75 [ 91.138344][ T5043] RSP: 0018:ffffc90003aff0b8 EFLAGS: 00010293 [ 91.144444][ T5043] RAX: 0000000000000000 RBX: ffff88801bf34dc0 RCX: 0000000000000000 [ 91.152459][ T5043] RDX: ffff8880249b0000 RSI: ffffffff8830c235 RDI: 0000000000000006 [ 91.160473][ T5043] RBP: ffff88801bf34e34 R08: 0000000000000006 R09: 0000000000000621 [ 91.168551][ T5043] R10: 0000000000000519 R11: 000820aaaaaaaaaa R12: 000000000000061f [ 91.176567][ T5043] R13: 000000000000061f R14: 0000000000000519 R15: 0000000000000621 [ 91.184547][ T5043] FS: 000055555626c380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 91.193521][ T5043] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.200166][ T5043] CR2: 0000000020001000 CR3: 000000007e431000 CR4: 00000000003506f0 [ 91.208206][ T5043] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 91.216236][ T5043] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 91.224237][ T5043] Call Trace: [ 91.227559][ T5043] [ 91.230510][ T5043] ? show_regs+0x8f/0xa0 [ 91.234791][ T5043] ? __warn+0xe6/0x380 [ 91.238905][ T5043] ? skb_checksum_help+0x4b5/0x5c0 [ 91.244052][ T5043] ? report_bug+0x3bc/0x580 [ 91.248609][ T5043] ? handle_bug+0x3c/0x70 [ 91.252983][ T5043] ? exc_invalid_op+0x17/0x40 [ 91.257715][ T5043] ? asm_exc_invalid_op+0x1a/0x20 [ 91.262799][ T5043] ? skb_checksum_help+0x4b5/0x5c0 [ 91.267973][ T5043] ? skb_checksum_help+0x4b5/0x5c0 [ 91.273121][ T5043] ? skb_checksum_help+0x4b5/0x5c0 [ 91.278284][ T5043] ip_do_fragment+0xa1b/0x18b0 [ 91.283090][ T5043] ? ip_fragment.constprop.0+0x230/0x230 [ 91.288805][ T5043] ? ip_frag_next+0xa40/0xa40 [ 91.293519][ T5043] ? slab_free_freelist_hook+0x114/0x1e0 [ 91.299221][ T5043] ip_fragment.constprop.0+0x161/0x230 [ 91.304730][ T5043] __ip_finish_output+0x49a/0x640 [ 91.309839][ T5043] ip_finish_output+0x31/0x310 [ 91.314649][ T5043] ip_output+0x198/0x310 [ 91.318944][ T5043] ip_local_out+0xaf/0x190 [ 91.323414][ T5043] iptunnel_xmit+0x61a/0xa30 [ 91.328072][ T5043] ip_tunnel_xmit+0x1e14/0x3350 [ 91.332977][ T5043] ? print_irqtrace_events+0x228/0x270 [ 91.338497][ T5043] ? ip_md_tunnel_xmit+0x1f90/0x1f90 [ 91.343843][ T5043] ? skb_mac_gso_segment+0x3d8/0x610 [ 91.349182][ T5043] ? __gre_xmit+0x4f5/0x990 [ 91.353735][ T5043] ipgre_xmit+0x63c/0x910 [ 91.358130][ T5043] dev_hard_start_xmit+0x13d/0x6c0 [ 91.363311][ T5043] __dev_queue_xmit+0x9be/0x3d60 [ 91.368355][ T5043] ? netdev_core_pick_tx+0x390/0x390 [ 91.373818][ T5043] ? skb_partial_csum_set+0x202/0x390 [ 91.379260][ T5043] ? virtio_net_hdr_to_skb.constprop.0+0x685/0x1230 [ 91.385906][ T5043] ? packet_release+0xdc0/0xdc0 [ 91.390785][ T5043] packet_xmit+0x257/0x380 [ 91.395243][ T5043] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 91.401192][ T5043] packet_sendmsg+0x24c7/0x5570 [ 91.406099][ T5043] ? preempt_count_sub+0x150/0x150 [ 91.411262][ T5043] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 91.417221][ T5043] ? aa_sk_perm+0x2c1/0xae0 [ 91.421769][ T5043] ? rcu_is_watching+0x12/0xb0 [ 91.426577][ T5043] ? packet_lookup_frame.isra.0+0x1c0/0x1c0 [ 91.432501][ T5043] ? aa_af_perm+0x260/0x260 [ 91.437050][ T5043] ? import_ubuf+0x1f5/0x260 [ 91.441689][ T5043] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 91.447033][ T5043] ? packet_lookup_frame.isra.0+0x1c0/0x1c0 [ 91.452966][ T5043] sock_sendmsg+0xd9/0x180 [ 91.457449][ T5043] ____sys_sendmsg+0x6ac/0x940 [ 91.462267][ T5043] ? copy_msghdr_from_user+0x10b/0x160 [ 91.467784][ T5043] ? kernel_sendmsg+0x50/0x50 [ 91.472500][ T5043] ? finish_task_switch.isra.0+0x216/0xc90 [ 91.478357][ T5043] ? __switch_to+0x73d/0x1340 [ 91.483078][ T5043] ___sys_sendmsg+0x135/0x1d0 [ 91.487901][ T5043] ? do_recvmmsg+0x740/0x740 [ 91.492541][ T5043] ? lock_sync+0x190/0x190 [ 91.497013][ T5043] ? ptrace_stop.part.0+0x4b4/0x8f0 [ 91.502273][ T5043] ? __fget_light+0x1fc/0x260 [ 91.507000][ T5043] __sys_sendmsg+0x117/0x1e0 [ 91.511639][ T5043] ? __sys_sendmsg_sock+0x30/0x30 [ 91.516720][ T5043] ? ptrace_notify+0xf4/0x130 [ 91.521462][ T5043] ? _raw_spin_unlock_irq+0x2e/0x50 [ 91.526708][ T5043] ? ptrace_notify+0xf4/0x130 [ 91.531430][ T5043] do_syscall_64+0x38/0xb0 [ 91.535917][ T5043] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 91.541859][ T5043] RIP: 0033:0x7f0cd59ca499 [ 91.546319][ T5043] 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 [ 91.565985][ T5043] RSP: 002b:00007ffcd890d1b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 91.574410][ T5043] RAX: ffffffffffffffda RBX: 00007f0cd5a17390 RCX: 00007f0cd59ca499 [ 91.582426][ T5043] RDX: 0000000000000000 RSI: 0000000020002ac0 RDI: 0000000000000003 [ 91.590454][ T5043] RBP: 0000000000000003 R08: 0000555500000000 R09: 0000555500000000 [ 91.598476][ T5043] R10: 0000000000000004 R11: 0000000000000246 R12: 00007ffcd890d200 [ 91.606488][ T5043] R13: 00007ffcd890d1d0 R14: 0000000000000001 R15: 00007ffcd890d200 [ 91.614473][ T5043] [ 91.617561][ T5043] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 91.624865][ T5043] CPU: 0 PID: 5043 Comm: syz-executor285 Not tainted 6.5.0-rc6-next-20230815-syzkaller #0 [ 91.634772][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 91.644838][ T5043] Call Trace: [ 91.648124][ T5043] [ 91.651061][ T5043] dump_stack_lvl+0xd9/0x1b0 [ 91.655672][ T5043] panic+0x6a6/0x750 [ 91.659582][ T5043] ? panic_smp_self_stop+0xa0/0xa0 [ 91.664717][ T5043] ? skb_checksum_help+0x4b5/0x5c0 [ 91.669938][ T5043] check_panic_on_warn+0xab/0xb0 [ 91.674906][ T5043] __warn+0xf2/0x380 [ 91.678815][ T5043] ? skb_checksum_help+0x4b5/0x5c0 [ 91.683943][ T5043] report_bug+0x3bc/0x580 [ 91.688297][ T5043] handle_bug+0x3c/0x70 [ 91.692469][ T5043] exc_invalid_op+0x17/0x40 [ 91.697004][ T5043] asm_exc_invalid_op+0x1a/0x20 [ 91.701901][ T5043] RIP: 0010:skb_checksum_help+0x4b5/0x5c0 [ 91.707638][ T5043] Code: f9 40 84 ed 75 dd e8 3a 16 57 f9 31 d2 48 89 de 48 c7 c7 40 b4 a2 8b c6 05 bb 34 87 06 01 e8 22 27 f8 ff eb be e8 1b 16 57 f9 <0f> 0b 0f b6 2d a5 34 87 06 31 ff 89 ee e8 39 11 57 f9 40 84 ed 75 [ 91.727258][ T5043] RSP: 0018:ffffc90003aff0b8 EFLAGS: 00010293 [ 91.733334][ T5043] RAX: 0000000000000000 RBX: ffff88801bf34dc0 RCX: 0000000000000000 [ 91.741324][ T5043] RDX: ffff8880249b0000 RSI: ffffffff8830c235 RDI: 0000000000000006 [ 91.749303][ T5043] RBP: ffff88801bf34e34 R08: 0000000000000006 R09: 0000000000000621 [ 91.757281][ T5043] R10: 0000000000000519 R11: 000820aaaaaaaaaa R12: 000000000000061f [ 91.765259][ T5043] R13: 000000000000061f R14: 0000000000000519 R15: 0000000000000621 [ 91.773241][ T5043] ? skb_checksum_help+0x4b5/0x5c0 [ 91.778383][ T5043] ? skb_checksum_help+0x4b5/0x5c0 [ 91.783542][ T5043] ip_do_fragment+0xa1b/0x18b0 [ 91.788335][ T5043] ? ip_fragment.constprop.0+0x230/0x230 [ 91.794003][ T5043] ? ip_frag_next+0xa40/0xa40 [ 91.798700][ T5043] ? slab_free_freelist_hook+0x114/0x1e0 [ 91.804368][ T5043] ip_fragment.constprop.0+0x161/0x230 [ 91.809849][ T5043] __ip_finish_output+0x49a/0x640 [ 91.814894][ T5043] ip_finish_output+0x31/0x310 [ 91.819677][ T5043] ip_output+0x198/0x310 [ 91.823937][ T5043] ip_local_out+0xaf/0x190 [ 91.828372][ T5043] iptunnel_xmit+0x61a/0xa30 [ 91.832984][ T5043] ip_tunnel_xmit+0x1e14/0x3350 [ 91.837860][ T5043] ? print_irqtrace_events+0x228/0x270 [ 91.843345][ T5043] ? ip_md_tunnel_xmit+0x1f90/0x1f90 [ 91.848657][ T5043] ? skb_mac_gso_segment+0x3d8/0x610 [ 91.853957][ T5043] ? __gre_xmit+0x4f5/0x990 [ 91.858488][ T5043] ipgre_xmit+0x63c/0x910 [ 91.862841][ T5043] dev_hard_start_xmit+0x13d/0x6c0 [ 91.867970][ T5043] __dev_queue_xmit+0x9be/0x3d60 [ 91.872928][ T5043] ? netdev_core_pick_tx+0x390/0x390 [ 91.878252][ T5043] ? skb_partial_csum_set+0x202/0x390 [ 91.883653][ T5043] ? virtio_net_hdr_to_skb.constprop.0+0x685/0x1230 [ 91.890264][ T5043] ? packet_release+0xdc0/0xdc0 [ 91.895154][ T5043] packet_xmit+0x257/0x380 [ 91.899602][ T5043] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 91.905537][ T5043] packet_sendmsg+0x24c7/0x5570 [ 91.910410][ T5043] ? preempt_count_sub+0x150/0x150 [ 91.915547][ T5043] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 91.921471][ T5043] ? aa_sk_perm+0x2c1/0xae0 [ 91.925994][ T5043] ? rcu_is_watching+0x12/0xb0 [ 91.930770][ T5043] ? packet_lookup_frame.isra.0+0x1c0/0x1c0 [ 91.936688][ T5043] ? aa_af_perm+0x260/0x260 [ 91.941235][ T5043] ? import_ubuf+0x1f5/0x260 [ 91.945854][ T5043] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 91.951159][ T5043] ? packet_lookup_frame.isra.0+0x1c0/0x1c0 [ 91.957065][ T5043] sock_sendmsg+0xd9/0x180 [ 91.961498][ T5043] ____sys_sendmsg+0x6ac/0x940 [ 91.966291][ T5043] ? copy_msghdr_from_user+0x10b/0x160 [ 91.971776][ T5043] ? kernel_sendmsg+0x50/0x50 [ 91.976469][ T5043] ? finish_task_switch.isra.0+0x216/0xc90 [ 91.982291][ T5043] ? __switch_to+0x73d/0x1340 [ 91.986991][ T5043] ___sys_sendmsg+0x135/0x1d0 [ 91.991697][ T5043] ? do_recvmmsg+0x740/0x740 [ 91.996325][ T5043] ? lock_sync+0x190/0x190 [ 92.000784][ T5043] ? ptrace_stop.part.0+0x4b4/0x8f0 [ 92.006002][ T5043] ? __fget_light+0x1fc/0x260 [ 92.010698][ T5043] __sys_sendmsg+0x117/0x1e0 [ 92.015322][ T5043] ? __sys_sendmsg_sock+0x30/0x30 [ 92.020396][ T5043] ? ptrace_notify+0xf4/0x130 [ 92.025129][ T5043] ? _raw_spin_unlock_irq+0x2e/0x50 [ 92.030370][ T5043] ? ptrace_notify+0xf4/0x130 [ 92.035066][ T5043] do_syscall_64+0x38/0xb0 [ 92.039512][ T5043] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 92.045424][ T5043] RIP: 0033:0x7f0cd59ca499 [ 92.049848][ T5043] 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 [ 92.069471][ T5043] RSP: 002b:00007ffcd890d1b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 92.077893][ T5043] RAX: ffffffffffffffda RBX: 00007f0cd5a17390 RCX: 00007f0cd59ca499 [ 92.085879][ T5043] RDX: 0000000000000000 RSI: 0000000020002ac0 RDI: 0000000000000003 [ 92.093880][ T5043] RBP: 0000000000000003 R08: 0000555500000000 R09: 0000555500000000 [ 92.101875][ T5043] R10: 0000000000000004 R11: 0000000000000246 R12: 00007ffcd890d200 [ 92.109871][ T5043] R13: 00007ffcd890d1d0 R14: 0000000000000001 R15: 00007ffcd890d200 [ 92.117862][ T5043] [ 92.121088][ T5043] Kernel Offset: disabled [ 92.125412][ T5043] Rebooting in 86400 seconds..