./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3823364122 <...> Warning: Permanently added '10.128.10.26' (ED25519) to the list of known hosts. execve("./syz-executor3823364122", ["./syz-executor3823364122"], 0x7ffe7ed3b670 /* 10 vars */) = 0 brk(NULL) = 0x555578973000 brk(0x555578973d00) = 0x555578973d00 arch_prctl(ARCH_SET_FS, 0x555578973380) = 0 set_tid_address(0x555578973650) = 5841 set_robust_list(0x555578973660, 24) = 0 rseq(0x555578973ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3823364122", 4096) = 28 getrandom("\x69\x9a\x4f\x1c\x53\x67\x93\xd3", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555578973d00 brk(0x555578994d00) = 0x555578994d00 brk(0x555578995000) = 0x555578995000 mprotect(0x7f40ffaba000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5842 attached [pid 5842] set_robust_list(0x555578973660, 24 [pid 5841] <... clone resumed>, child_tidptr=0x555578973650) = 5842 [pid 5842] <... set_robust_list resumed>) = 0 [pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5842] getppid() = 0 [pid 5842] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5842] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5842] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5842] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5842] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5842] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5842] unshare(CLONE_NEWNS) = 0 [pid 5842] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5842] unshare(CLONE_NEWIPC) = 0 [pid 5842] unshare(CLONE_NEWCGROUP) = 0 [pid 5842] unshare(CLONE_NEWUTS) = 0 [pid 5842] unshare(CLONE_SYSVSEM) = 0 [pid 5842] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5842] write(3, "16777216", 8) = 8 [pid 5842] close(3) = 0 [pid 5842] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5842] write(3, "536870912", 9) = 9 [pid 5842] close(3) = 0 [pid 5842] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5842] write(3, "1024", 4) = 4 [pid 5842] close(3) = 0 [pid 5842] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5842] write(3, "8192", 4) = 4 [pid 5842] close(3) = 0 [pid 5842] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5842] write(3, "1024", 4) = 4 [pid 5842] close(3) = 0 [pid 5842] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5842] write(3, "1024", 4) = 4 [pid 5842] close(3) = 0 [pid 5842] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5842] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5842] close(3) = 0 [pid 5842] getpid() = 1 [pid 5842] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<) = 0 [ 105.108041][ T4201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.118303][ T4201] Workqueue: bond0 bond_mii_monitor [ 105.124355][ T4201] RIP: 0010:__linkwatch_sync_dev+0x30d/0x360 [ 105.130475][ T4201] Code: 7c fe ff ff e8 d4 69 ce f7 c6 05 fb 8b 55 06 01 90 48 c7 c7 60 f3 50 8d 48 c7 c6 48 b3 6e 8e ba 38 00 00 00 e8 c4 c2 8d f7 90 <0f> 0b 90 90 e9 4d fe ff ff 89 d9 80 e1 07 38 c1 0f 8c 19 fd ff ff [ 105.150384][ T4201] RSP: 0018:ffffc9000d7576f0 EFLAGS: 00010246 [ 105.156575][ T4201] RAX: 47259c26f6c9ad00 RBX: 0000000000000000 RCX: ffff888033b59e00 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5855 attached , child_tidptr=0x555578973650) = 3 [pid 5855] set_robust_list(0x555578973660, 24) = 0 [pid 5855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5855] setpgid(0, 0) = 0 [pid 5855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5855] write(3, "1000", 4) = 4 executing program [pid 5855] close(3) = 0 [pid 5855] write(1, "executing program\n", 18) = 18 [ 105.164971][ T4201] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 105.173297][ T4201] RBP: 0000000000000000 R08: ffffffff818218d2 R09: fffffbfff1d7a960 [ 105.181428][ T4201] R10: dffffc0000000000 R11: fffffbfff1d7a960 R12: 0000000000000000 [ 105.189733][ T4201] R13: dffffc0000000000 R14: ffff888034618008 R15: ffff888034618000 [ 105.197815][ T4201] FS: 0000000000000000(0000) GS:ffff888124f9a000(0000) knlGS:0000000000000000 [ 105.207057][ T4201] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [pid 5855] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 5855] socket(AF_PACKET, SOCK_PACKET|SOCK_NONBLOCK, htons(0 /* ETH_P_??? */)) = 4 [pid 5855] ioctl(4, SIOCGIFINDEX, {ifr_name="bond0", ifr_ifindex=14}) = 0 [pid 5855] sendmsg(3, {msg_name=NULL, msg_namelen=23, msg_iov=[{iov_base="\x44\x00\x00\x00\x10\x00\x01\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0e\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x24\x00\x12\x80\x09\x00\x01\x00\x62\x6f\x6e\x64\x00\x00\x00\x00\x14\x00\x02\x80\x08\x00\x03\x00\x04\x00\x00\x00\x05\x00\x06\x00\x00\x00\x00\x00", iov_len=68}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 68 [pid 5855] close(3) = 0 [ 105.213737][ T4201] CR2: 0000200000000300 CR3: 0000000034b92000 CR4: 00000000003526f0 [ 105.221842][ T4201] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 105.231088][ T4201] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 105.239179][ T4201] Call Trace: [ 105.242497][ T4201] [ 105.246286][ T4201] ? ethtool_op_get_link+0xd/0x60 [ 105.251412][ T4201] ethtool_op_get_link+0x15/0x60 [ 105.256538][ T4201] bond_check_dev_link+0x43d/0x730 [ 105.261686][ T4201] ? __pfx_bond_check_dev_link+0x10/0x10 [ 105.267822][ T4201] bond_mii_monitor+0x49d/0x3170 [ 105.272789][ T4201] ? bond_mii_monitor+0x17f/0x3170 [ 105.278054][ T4201] ? do_raw_spin_unlock+0x13c/0x8b0 [ 105.283364][ T4201] ? __pfx_bond_mii_monitor+0x10/0x10 [ 105.288841][ T4201] ? register_lock_class+0x54/0x330 [ 105.294207][ T4201] ? __lock_acquire+0xad5/0xd80 [ 105.299162][ T4201] ? lockdep_hardirqs_on+0x9d/0x150 [ 105.304528][ T4201] ? process_scheduled_works+0x9cb/0x18e0 [ 105.310305][ T4201] process_scheduled_works+0xac3/0x18e0 [ 105.316023][ T4201] ? __pfx_process_scheduled_works+0x10/0x10 [ 105.322098][ T4201] ? assign_work+0x367/0x3d0 [ 105.326774][ T4201] worker_thread+0x870/0xd50 [ 105.331397][ T4201] ? __kthread_parkme+0x1a8/0x200 [ 105.336570][ T4201] ? __pfx_worker_thread+0x10/0x10 [ 105.341713][ T4201] kthread+0x7b7/0x940 [ 105.346189][ T4201] ? __pfx_worker_thread+0x10/0x10 [ 105.351328][ T4201] ? __pfx_kthread+0x10/0x10 [ 105.356013][ T4201] ? __pfx_kthread+0x10/0x10 [ 105.360645][ T4201] ? __pfx_kthread+0x10/0x10 [ 105.365307][ T4201] ? __pfx_kthread+0x10/0x10 [ 105.369936][ T4201] ? _raw_spin_unlock_irq+0x23/0x50 [ 105.375304][ T4201] ? lockdep_hardirqs_on+0x9d/0x150 [ 105.380535][ T4201] ? __pfx_kthread+0x10/0x10 [ 105.385187][ T4201] ret_from_fork+0x4b/0x80 [ 105.389675][ T4201] ? __pfx_kthread+0x10/0x10 [ 105.394317][ T4201] ret_from_fork_asm+0x1a/0x30 [ 105.399214][ T4201] [ 105.402258][ T4201] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 105.409565][ T4201] CPU: 0 UID: 0 PID: 4201 Comm: kworker/u8:8 Not tainted 6.15.0-rc3-syzkaller-00019-gbc3372351d0c #0 PREEMPT(full) [ 105.421724][ T4201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.431878][ T4201] Workqueue: bond0 bond_mii_monitor [ 105.437110][ T4201] Call Trace: [ 105.440401][ T4201] [ 105.443342][ T4201] dump_stack_lvl+0x241/0x360 [ 105.448041][ T4201] ? __pfx_dump_stack_lvl+0x10/0x10 [ 105.453260][ T4201] ? __pfx__printk+0x10/0x10 [ 105.457874][ T4201] ? vscnprintf+0x5d/0x90 [ 105.462310][ T4201] panic+0x349/0x880 [ 105.466231][ T4201] ? __warn+0x174/0x4d0 [ 105.470400][ T4201] ? __pfx_panic+0x10/0x10 [ 105.474839][ T4201] ? ret_from_fork_asm+0x1a/0x30 [ 105.479785][ T4201] __warn+0x344/0x4d0 [ 105.483777][ T4201] ? __linkwatch_sync_dev+0x30d/0x360 [ 105.489173][ T4201] report_bug+0x2b3/0x500 [ 105.493572][ T4201] ? __linkwatch_sync_dev+0x30d/0x360 [ 105.498961][ T4201] ? __linkwatch_sync_dev+0x30d/0x360 [ 105.504360][ T4201] ? __linkwatch_sync_dev+0x30f/0x360 [ 105.509747][ T4201] handle_bug+0x89/0x170 [ 105.514007][ T4201] exc_invalid_op+0x1a/0x50 [ 105.518521][ T4201] asm_exc_invalid_op+0x1a/0x20 [ 105.523403][ T4201] RIP: 0010:__linkwatch_sync_dev+0x30d/0x360 [ 105.529416][ T4201] Code: 7c fe ff ff e8 d4 69 ce f7 c6 05 fb 8b 55 06 01 90 48 c7 c7 60 f3 50 8d 48 c7 c6 48 b3 6e 8e ba 38 00 00 00 e8 c4 c2 8d f7 90 <0f> 0b 90 90 e9 4d fe ff ff 89 d9 80 e1 07 38 c1 0f 8c 19 fd ff ff [ 105.549055][ T4201] RSP: 0018:ffffc9000d7576f0 EFLAGS: 00010246 [ 105.555150][ T4201] RAX: 47259c26f6c9ad00 RBX: 0000000000000000 RCX: ffff888033b59e00 [ 105.563132][ T4201] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 105.571135][ T4201] RBP: 0000000000000000 R08: ffffffff818218d2 R09: fffffbfff1d7a960 [ 105.579162][ T4201] R10: dffffc0000000000 R11: fffffbfff1d7a960 R12: 0000000000000000 [ 105.587165][ T4201] R13: dffffc0000000000 R14: ffff888034618008 R15: ffff888034618000 [ 105.595168][ T4201] ? __warn_printk+0x2a2/0x360 [ 105.599963][ T4201] ? ethtool_op_get_link+0xd/0x60 [ 105.605040][ T4201] ethtool_op_get_link+0x15/0x60 [ 105.610017][ T4201] bond_check_dev_link+0x43d/0x730 [ 105.615165][ T4201] ? __pfx_bond_check_dev_link+0x10/0x10 [ 105.620829][ T4201] bond_mii_monitor+0x49d/0x3170 [ 105.625789][ T4201] ? bond_mii_monitor+0x17f/0x3170 [ 105.630913][ T4201] ? do_raw_spin_unlock+0x13c/0x8b0 [ 105.636135][ T4201] ? __pfx_bond_mii_monitor+0x10/0x10 [ 105.641535][ T4201] ? register_lock_class+0x54/0x330 [ 105.646750][ T4201] ? __lock_acquire+0xad5/0xd80 [ 105.651614][ T4201] ? lockdep_hardirqs_on+0x9d/0x150 [ 105.656834][ T4201] ? process_scheduled_works+0x9cb/0x18e0 [ 105.662571][ T4201] process_scheduled_works+0xac3/0x18e0 [ 105.668159][ T4201] ? __pfx_process_scheduled_works+0x10/0x10 [ 105.674176][ T4201] ? assign_work+0x367/0x3d0 [ 105.678806][ T4201] worker_thread+0x870/0xd50 [ 105.683412][ T4201] ? __kthread_parkme+0x1a8/0x200 [ 105.688448][ T4201] ? __pfx_worker_thread+0x10/0x10 [ 105.693567][ T4201] kthread+0x7b7/0x940 [ 105.697650][ T4201] ? __pfx_worker_thread+0x10/0x10 [ 105.702765][ T4201] ? __pfx_kthread+0x10/0x10 [ 105.707365][ T4201] ? __pfx_kthread+0x10/0x10 [ 105.711963][ T4201] ? __pfx_kthread+0x10/0x10 [ 105.716562][ T4201] ? __pfx_kthread+0x10/0x10 [ 105.721165][ T4201] ? _raw_spin_unlock_irq+0x23/0x50 [ 105.726378][ T4201] ? lockdep_hardirqs_on+0x9d/0x150 [ 105.731581][ T4201] ? __pfx_kthread+0x10/0x10 [ 105.736194][ T4201] ret_from_fork+0x4b/0x80 [ 105.740614][ T4201] ? __pfx_kthread+0x10/0x10 [ 105.745209][ T4201] ret_from_fork_asm+0x1a/0x30 [ 105.749989][ T4201] [ 105.753339][ T4201] Kernel Offset: disabled [ 105.757675][ T4201] Rebooting in 86400 seconds..