./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3874641438 <...> Warning: Permanently added '10.128.1.163' (ED25519) to the list of known hosts. execve("./syz-executor3874641438", ["./syz-executor3874641438"], 0x7ffe3a319690 /* 10 vars */) = 0 brk(NULL) = 0x555564778000 brk(0x555564778d00) = 0x555564778d00 arch_prctl(ARCH_SET_FS, 0x555564778380) = 0 set_tid_address(0x555564778650) = 5226 set_robust_list(0x555564778660, 24) = 0 rseq(0x555564778ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3874641438", 4096) = 28 getrandom("\x2e\xa0\x53\x8d\x89\xc9\x79\xba", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555564778d00 brk(0x555564799d00) = 0x555564799d00 brk(0x55556479a000) = 0x55556479a000 mprotect(0x7ff04a7f9000, 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=0x555564778650) = 5227 ./strace-static-x86_64: Process 5227 attached [pid 5227] set_robust_list(0x555564778660, 24) = 0 [pid 5227] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5227] setsid() = 1 [pid 5227] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5227] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5227] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5227] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5227] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5227] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5227] unshare(CLONE_NEWNS) = 0 [pid 5227] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5227] unshare(CLONE_NEWIPC) = 0 [pid 5227] unshare(CLONE_NEWCGROUP) = 0 [pid 5227] unshare(CLONE_NEWUTS) = 0 [pid 5227] unshare(CLONE_SYSVSEM) = 0 [pid 5227] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5227] write(3, "16777216", 8) = 8 [pid 5227] close(3) = 0 [pid 5227] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5227] write(3, "536870912", 9) = 9 [pid 5227] close(3) = 0 [pid 5227] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5227] write(3, "1024", 4) = 4 [pid 5227] close(3) = 0 [pid 5227] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5227] write(3, "8192", 4) = 4 [pid 5227] close(3) = 0 [pid 5227] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5227] write(3, "1024", 4) = 4 [pid 5227] close(3) = 0 [pid 5227] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5227] write(3, "1024", 4) = 4 [pid 5227] close(3) = 0 [pid 5227] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5227] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5227] close(3) = 0 [pid 5227] getpid() = 1 [pid 5227] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 eb 93 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c a3 fc ff ff 48 [ 65.185027][ C0] RSP: 0018:ffffc90000007278 EFLAGS: 00010246 [ 65.191105][ C0] RAX: ffffffff8b97d2c9 RBX: 0000000000000000 RCX: ffff88807529bc00 [ 65.199123][ C0] RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 [ 65.207152][ C0] RBP: ffff88807d910cc0 R08: ffffffff8b97d119 R09: 0000000000000000 [ 65.215248][ C0] R10: ffffc900000073c8 R11: fffff52000000e7b R12: dffffc0000000000 [ 65.223237][ C0] R13: 0000000000000008 R14: ffff888029d04f20 R15: ffffc900000073c0 [ 65.231256][ C0] FS: 0000555564778380(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 [ 65.240276][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.246906][ C0] CR2: 00005633c816f000 CR3: 000000001faac000 CR4: 00000000003506f0 [ 65.255026][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.263018][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.271036][ C0] Call Trace: [ 65.274403][ C0] [ 65.277259][ C0] ? __warn+0x163/0x4e0 [ 65.281671][ C0] ? hsr_fill_frame_info+0x3da/0x570 [ 65.287030][ C0] ? report_bug+0x2b3/0x500 [ 65.291557][ C0] ? hsr_fill_frame_info+0x3da/0x570 [ 65.296897][ C0] ? handle_bug+0x3e/0x70 [ 65.301244][ C0] ? exc_invalid_op+0x1a/0x50 [ 65.305987][ C0] ? asm_exc_invalid_op+0x1a/0x20 [ 65.311049][ C0] ? hsr_fill_frame_info+0x229/0x570 [ 65.316413][ C0] ? hsr_fill_frame_info+0x3d9/0x570 [ 65.321736][ C0] ? hsr_fill_frame_info+0x3da/0x570 [ 65.327113][ C0] ? hsr_fill_frame_info+0x3d9/0x570 [ 65.332419][ C0] hsr_forward_skb+0x847/0x2b60 [ 65.337331][ C0] ? validate_chain+0x11e/0x5900 [ 65.342282][ C0] ? hsr_forward_skb+0xaf/0x2b60 [ 65.347278][ C0] ? __pfx_hsr_forward_skb+0x10/0x10 [ 65.352592][ C0] ? skb_push+0x97/0x100 [ 65.356888][ C0] hsr_handle_frame+0x51b/0x7d0 [ 65.361775][ C0] ? __pfx_hsr_handle_frame+0x10/0x10 [ 65.367205][ C0] __netif_receive_skb_core+0x13e8/0x4570 [ 65.372954][ C0] ? is_bpf_text_address+0x26/0x2a0 [ 65.378217][ C0] ? __pfx___netif_receive_skb_core+0x10/0x10 [ 65.384364][ C0] ? deref_stack_reg+0x1c7/0x260 [ 65.389324][ C0] ? mark_lock+0x9a/0x350 [ 65.393741][ C0] ? __lock_acquire+0x137a/0x2040 [ 65.398819][ C0] __netif_receive_skb_list_core+0x2b7/0x980 [ 65.404874][ C0] ? mark_lock+0x9a/0x350 [ 65.409311][ C0] ? __pfx___netif_receive_skb_list_core+0x10/0x10 [ 65.415921][ C0] ? netif_receive_skb_list_internal+0x4e8/0xe30 [ 65.422276][ C0] netif_receive_skb_list_internal+0xa51/0xe30 [ 65.428518][ C0] ? netif_receive_skb_list_internal+0x4e8/0xe30 [ 65.434930][ C0] ? dev_gro_receive+0x108f/0x24b0 [ 65.440063][ C0] ? __pfx_netif_receive_skb_list_internal+0x10/0x10 [ 65.446799][ C0] ? do_raw_spin_unlock+0x13c/0x8b0 [ 65.452036][ C0] napi_complete_done+0x310/0x8e0 [ 65.457172][ C0] ? __pfx_napi_complete_done+0x10/0x10 [ 65.462741][ C0] ? rcu_is_watching+0x15/0xb0 [ 65.467565][ C0] ? napi_gro_receive+0x6f3/0xc90 [ 65.472653][ C0] gro_cell_poll+0x19a/0x1c0 [ 65.477349][ C0] __napi_poll+0xcb/0x490 [ 65.481727][ C0] net_rx_action+0x89b/0x1240 [ 65.486487][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 65.491621][ C0] ? sched_clock+0x4a/0x70 [ 65.496107][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 65.502461][ C0] handle_softirqs+0x2c4/0x970 [ 65.507287][ C0] ? do_softirq+0x11b/0x1e0 [ 65.511806][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 65.517149][ C0] do_softirq+0x11b/0x1e0 [ 65.521497][ C0] [ 65.524492][ C0] [ 65.527434][ C0] ? __pfx_do_softirq+0x10/0x10 [ 65.532277][ C0] ? __pfx_lockdep_softirqs_on+0x10/0x10 [ 65.537980][ C0] ? rcu_is_watching+0x15/0xb0 [ 65.542768][ C0] __local_bh_enable_ip+0x1bb/0x200 [ 65.548079][ C0] ? __pfx_netif_receive_skb+0x10/0x10 [ 65.553625][ C0] ? tun_rx_batched+0x160/0x8f0 [ 65.558517][ C0] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 65.564366][ C0] ? tun_rx_batched+0x160/0x8f0 [ 65.569241][ C0] tun_rx_batched+0x732/0x8f0 [ 65.573999][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 65.580370][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 65.586003][ C0] ? __pfx_tun_rx_batched+0x10/0x10 [ 65.591246][ C0] tun_get_user+0x2f84/0x4720 [ 65.596014][ C0] ? tun_get_user+0x2a78/0x4720 [ 65.600900][ C0] ? __lock_acquire+0x137a/0x2040 [ 65.605981][ C0] ? __pfx_tun_get_user+0x10/0x10 [ 65.611040][ C0] ? __pfx_ref_tracker_alloc+0x10/0x10 [ 65.616641][ C0] ? tun_get+0x1e/0x2f0 [ 65.620819][ C0] ? __pfx_lock_release+0x10/0x10 [ 65.625907][ C0] ? tun_get+0x1e/0x2f0 [ 65.630079][ C0] ? tun_get+0x27d/0x2f0 [ 65.634398][ C0] tun_chr_write_iter+0x113/0x1f0 [ 65.639443][ C0] vfs_write+0xa72/0xc90 [ 65.643733][ C0] ? __pfx_tun_chr_write_iter+0x10/0x10 [ 65.649317][ C0] ? __pfx_vfs_write+0x10/0x10 [ 65.654160][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 65.659420][ C0] ksys_write+0x1a0/0x2c0 [ 65.663866][ C0] ? __pfx_ksys_write+0x10/0x10 [ 65.668738][ C0] ? do_syscall_64+0x100/0x230 [ 65.673564][ C0] do_syscall_64+0xf3/0x230 [ 65.678080][ C0] ? clear_bhb_loop+0x35/0x90 [ 65.682761][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 65.688706][ C0] RIP: 0033:0x7ff04a780a30 [ 65.693152][ C0] 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 71 d6 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 [ 65.712894][ C0] RSP: 002b:00007ffc50380778 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 65.721392][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff04a780a30 [ 65.729464][ C0] RDX: 000000000000006a RSI: 00000000200006c0 RDI: 00000000000000c8 [ 65.737836][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 65.745851][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 65.753895][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 65.761904][ C0] [ 65.764990][ C0] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 65.772455][ C0] CPU: 0 UID: 0 PID: 5237 Comm: syz-executor387 Not tainted 6.11.0-rc5-syzkaller #0 [ 65.781816][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 65.791873][ C0] Call Trace: [ 65.795159][ C0] [ 65.797991][ C0] dump_stack_lvl+0x241/0x360 [ 65.802655][ C0] ? __pfx_dump_stack_lvl+0x10/0x10 [ 65.807860][ C0] ? __pfx__printk+0x10/0x10 [ 65.812437][ C0] ? _printk+0xd5/0x120 [ 65.816588][ C0] ? vscnprintf+0x5d/0x90 [ 65.820907][ C0] panic+0x349/0x860 [ 65.824818][ C0] ? __warn+0x172/0x4e0 [ 65.828991][ C0] ? __pfx_panic+0x10/0x10 [ 65.833404][ C0] ? show_trace_log_lvl+0x4e6/0x520 [ 65.838614][ C0] __warn+0x346/0x4e0 [ 65.842583][ C0] ? hsr_fill_frame_info+0x3da/0x570 [ 65.847860][ C0] report_bug+0x2b3/0x500 [ 65.852177][ C0] ? hsr_fill_frame_info+0x3da/0x570 [ 65.857455][ C0] handle_bug+0x3e/0x70 [ 65.861597][ C0] exc_invalid_op+0x1a/0x50 [ 65.866090][ C0] asm_exc_invalid_op+0x1a/0x20 [ 65.870961][ C0] RIP: 0010:hsr_fill_frame_info+0x3da/0x570 [ 65.876860][ C0] Code: 00 31 c0 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 55 bb fb f5 90 0f 0b 90 e9 09 ff ff ff e8 47 bb fb f5 90 <0f> 0b 90 eb 93 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c a3 fc ff ff 48 [ 65.896571][ C0] RSP: 0018:ffffc90000007278 EFLAGS: 00010246 [ 65.902643][ C0] RAX: ffffffff8b97d2c9 RBX: 0000000000000000 RCX: ffff88807529bc00 [ 65.910613][ C0] RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 [ 65.918578][ C0] RBP: ffff88807d910cc0 R08: ffffffff8b97d119 R09: 0000000000000000 [ 65.926548][ C0] R10: ffffc900000073c8 R11: fffff52000000e7b R12: dffffc0000000000 [ 65.934512][ C0] R13: 0000000000000008 R14: ffff888029d04f20 R15: ffffc900000073c0 [ 65.942481][ C0] ? hsr_fill_frame_info+0x229/0x570 [ 65.947767][ C0] ? hsr_fill_frame_info+0x3d9/0x570 [ 65.953053][ C0] ? hsr_fill_frame_info+0x3d9/0x570 [ 65.958336][ C0] hsr_forward_skb+0x847/0x2b60 [ 65.963199][ C0] ? validate_chain+0x11e/0x5900 [ 65.968128][ C0] ? hsr_forward_skb+0xaf/0x2b60 [ 65.973074][ C0] ? __pfx_hsr_forward_skb+0x10/0x10 [ 65.978367][ C0] ? skb_push+0x97/0x100 [ 65.982612][ C0] hsr_handle_frame+0x51b/0x7d0 [ 65.987470][ C0] ? __pfx_hsr_handle_frame+0x10/0x10 [ 65.992838][ C0] __netif_receive_skb_core+0x13e8/0x4570 [ 65.998571][ C0] ? is_bpf_text_address+0x26/0x2a0 [ 66.003771][ C0] ? __pfx___netif_receive_skb_core+0x10/0x10 [ 66.009835][ C0] ? deref_stack_reg+0x1c7/0x260 [ 66.014775][ C0] ? mark_lock+0x9a/0x350 [ 66.019189][ C0] ? __lock_acquire+0x137a/0x2040 [ 66.024224][ C0] __netif_receive_skb_list_core+0x2b7/0x980 [ 66.030208][ C0] ? mark_lock+0x9a/0x350 [ 66.034548][ C0] ? __pfx___netif_receive_skb_list_core+0x10/0x10 [ 66.041059][ C0] ? netif_receive_skb_list_internal+0x4e8/0xe30 [ 66.047384][ C0] netif_receive_skb_list_internal+0xa51/0xe30 [ 66.053538][ C0] ? netif_receive_skb_list_internal+0x4e8/0xe30 [ 66.059863][ C0] ? dev_gro_receive+0x108f/0x24b0 [ 66.064971][ C0] ? __pfx_netif_receive_skb_list_internal+0x10/0x10 [ 66.071647][ C0] ? do_raw_spin_unlock+0x13c/0x8b0 [ 66.076847][ C0] napi_complete_done+0x310/0x8e0 [ 66.081874][ C0] ? __pfx_napi_complete_done+0x10/0x10 [ 66.087420][ C0] ? rcu_is_watching+0x15/0xb0 [ 66.092180][ C0] ? napi_gro_receive+0x6f3/0xc90 [ 66.097292][ C0] gro_cell_poll+0x19a/0x1c0 [ 66.101888][ C0] __napi_poll+0xcb/0x490 [ 66.106219][ C0] net_rx_action+0x89b/0x1240 [ 66.110910][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 66.116109][ C0] ? sched_clock+0x4a/0x70 [ 66.120531][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 66.126863][ C0] handle_softirqs+0x2c4/0x970 [ 66.131627][ C0] ? do_softirq+0x11b/0x1e0 [ 66.136128][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 66.141499][ C0] do_softirq+0x11b/0x1e0 [ 66.145821][ C0] [ 66.148741][ C0] [ 66.151660][ C0] ? __pfx_do_softirq+0x10/0x10 [ 66.156507][ C0] ? __pfx_lockdep_softirqs_on+0x10/0x10 [ 66.162139][ C0] ? rcu_is_watching+0x15/0xb0 [ 66.166905][ C0] __local_bh_enable_ip+0x1bb/0x200 [ 66.172101][ C0] ? __pfx_netif_receive_skb+0x10/0x10 [ 66.177568][ C0] ? tun_rx_batched+0x160/0x8f0 [ 66.182431][ C0] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 66.188240][ C0] ? tun_rx_batched+0x160/0x8f0 [ 66.193105][ C0] tun_rx_batched+0x732/0x8f0 [ 66.197779][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 66.204110][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 66.209131][ C0] ? __pfx_tun_rx_batched+0x10/0x10 [ 66.214339][ C0] tun_get_user+0x2f84/0x4720 [ 66.219010][ C0] ? tun_get_user+0x2a78/0x4720 [ 66.223866][ C0] ? __lock_acquire+0x137a/0x2040 [ 66.228893][ C0] ? __pfx_tun_get_user+0x10/0x10 [ 66.233926][ C0] ? __pfx_ref_tracker_alloc+0x10/0x10 [ 66.239380][ C0] ? tun_get+0x1e/0x2f0 [ 66.243528][ C0] ? __pfx_lock_release+0x10/0x10 [ 66.248558][ C0] ? tun_get+0x1e/0x2f0 [ 66.252706][ C0] ? tun_get+0x27d/0x2f0 [ 66.256941][ C0] tun_chr_write_iter+0x113/0x1f0 [ 66.261963][ C0] vfs_write+0xa72/0xc90 [ 66.266208][ C0] ? __pfx_tun_chr_write_iter+0x10/0x10 [ 66.271749][ C0] ? __pfx_vfs_write+0x10/0x10 [ 66.276521][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 66.281730][ C0] ksys_write+0x1a0/0x2c0 [ 66.286060][ C0] ? __pfx_ksys_write+0x10/0x10 [ 66.290909][ C0] ? do_syscall_64+0x100/0x230 [ 66.295669][ C0] do_syscall_64+0xf3/0x230 [ 66.300162][ C0] ? clear_bhb_loop+0x35/0x90 [ 66.304834][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 66.310719][ C0] RIP: 0033:0x7ff04a780a30 [ 66.315123][ C0] 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 71 d6 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 [ 66.334722][ C0] RSP: 002b:00007ffc50380778 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 66.343133][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff04a780a30 [ 66.351127][ C0] RDX: 000000000000006a RSI: 00000000200006c0 RDI: 00000000000000c8 [ 66.359088][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 66.367053][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 66.375021][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 66.382999][ C0] [ 66.386271][ C0] Kernel Offset: disabled [ 66.390611][ C0] Rebooting in 86400 seconds..