Warning: Permanently added '10.128.0.25' (ED25519) to the list of known hosts. 2026/07/28 16:45:28 parsed 1 programs 2026/07/28 16:45:28 serving rpc on tcp://45031 [ 23.377387][ T28] audit: type=1400 audit(1785257128.008:64): avc: denied { node_bind } for pid=295 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 23.399093][ T28] audit: type=1400 audit(1785257128.008:65): avc: denied { module_request } for pid=295 comm="syz-execprog" kmod="net-pf-2-proto-262-type-1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 24.595039][ T28] audit: type=1400 audit(1785257129.228:66): avc: denied { mounton } for pid=301 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 24.599600][ T301] cgroup: Unknown subsys name 'net' [ 24.617953][ T28] audit: type=1400 audit(1785257129.228:67): avc: denied { mount } for pid=301 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 24.645703][ T28] audit: type=1400 audit(1785257129.268:68): avc: denied { unmount } for pid=301 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 24.646294][ T301] cgroup: Unknown subsys name 'devices' [ 24.793656][ T301] cgroup: Unknown subsys name 'hugetlb' [ 24.799303][ T301] cgroup: Unknown subsys name 'rlimit' [ 24.914742][ T28] audit: type=1400 audit(1785257129.548:69): avc: denied { setattr } for pid=301 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=258 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 24.938008][ T28] audit: type=1400 audit(1785257129.548:70): avc: denied { create } for pid=301 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 24.958614][ T28] audit: type=1400 audit(1785257129.548:71): avc: denied { write } for pid=301 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 24.979141][ T28] audit: type=1400 audit(1785257129.548:72): avc: denied { read } for pid=301 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 Setting up swapspace version 1, size = 127995904 bytes [ 24.999778][ T28] audit: type=1400 audit(1785257129.548:73): avc: denied { mounton } for pid=301 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 25.003913][ T305] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 25.062209][ T301] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 25.729921][ T307] request_module fs-gadgetfs succeeded, but still no fs? [ 26.035005][ T324] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.042138][ T324] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.049588][ T324] device bridge_slave_0 entered promiscuous mode [ 26.057112][ T324] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.064286][ T324] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.071958][ T324] device bridge_slave_1 entered promiscuous mode [ 26.121855][ T324] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.128923][ T324] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.136294][ T324] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.143463][ T324] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.165024][ T44] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.172848][ T44] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.180882][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 26.188472][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 26.198993][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 26.208413][ T44] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.215712][ T44] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.224852][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 26.233430][ T44] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.240700][ T44] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.256938][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 26.266433][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 26.282197][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 26.294565][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 26.303046][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 26.310726][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 26.319155][ T324] device veth0_vlan entered promiscuous mode [ 26.330876][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 26.341027][ T324] device veth1_macvtap entered promiscuous mode [ 26.352856][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 26.363656][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 26.396477][ T324] syz-executor (324) used greatest stack depth: 21024 bytes left 2026/07/28 16:45:31 executed programs: 0 [ 27.244583][ T370] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.252112][ T370] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.260051][ T370] device bridge_slave_0 entered promiscuous mode [ 27.272736][ T370] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.279880][ T370] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.287445][ T370] device bridge_slave_1 entered promiscuous mode [ 27.345934][ T370] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.353051][ T370] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.360409][ T370] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.367463][ T370] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.393511][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 27.401272][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.408629][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.418743][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 27.427245][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.434394][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.448094][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 27.456638][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.464100][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.476538][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 27.486549][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 27.507440][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 27.519493][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 27.528110][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 27.535727][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 27.544109][ T370] device veth0_vlan entered promiscuous mode [ 27.563668][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 27.573043][ T370] device veth1_macvtap entered promiscuous mode [ 27.590160][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 27.601009][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 27.626150][ T308] FAULT_INJECTION: forcing a failure. [ 27.626150][ T308] name failslab, interval 1, probability 1, space 0, times 1000 [ 27.640025][ T370] FAULT_INJECTION: forcing a failure. [ 27.640025][ T370] name failslab, interval 1, probability 1, space 0, times 1000 [ 27.644205][ T308] CPU: 0 PID: 308 Comm: udevd Not tainted syzkaller #0 [ 27.659966][ T308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 27.670064][ T308] Call Trace: [ 27.673371][ T308] [ 27.676321][ T308] __dump_stack+0x21/0x24 [ 27.680697][ T308] dump_stack_lvl+0x110/0x170 [ 27.685402][ T308] ? __cfi_dump_stack_lvl+0x8/0x8 [ 27.690624][ T308] ? __queue_delayed_work+0x173/0x200 [ 27.696035][ T308] dump_stack+0x15/0x24 [ 27.700248][ T308] should_fail_ex+0x3bf/0x510 [ 27.704962][ T308] ? getname_flags+0xba/0x510 [ 27.709771][ T308] __should_failslab+0xac/0xf0 [ 27.714589][ T308] should_failslab+0x9/0x20 [ 27.719214][ T308] kmem_cache_alloc+0x3b/0x320 [ 27.724097][ T308] getname_flags+0xba/0x510 [ 27.728627][ T308] ? debug_smp_processor_id+0x17/0x20 [ 27.734029][ T308] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 27.740125][ T308] __x64_sys_unlink+0x3c/0x50 [ 27.744929][ T308] x64_sys_call+0x958/0x9a0 [ 27.749546][ T308] do_syscall_64+0x4c/0xa0 [ 27.753997][ T308] ? clear_bhb_loop+0x30/0x80 [ 27.758709][ T308] ? clear_bhb_loop+0x30/0x80 [ 27.763510][ T308] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 27.769546][ T308] RIP: 0033:0x7f8abdf15937 [ 27.774007][ T308] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 27.793727][ T308] RSP: 002b:00007ffc28cdfd48 EFLAGS: 00000206 ORIG_RAX: 0000000000000057 [ 27.802261][ T308] RAX: ffffffffffffffda RBX: 0000560f8ff84830 RCX: 00007f8abdf15937 [ 27.810507][ T308] RDX: 0000000000000001 RSI: 0000560f500d467f RDI: 00007ffc28cdfd50 [ 27.818503][ T308] RBP: 000000000000003a R08: 0000000000000064 R09: 0000000000000000 [ 27.826487][ T308] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc28cdfd50 [ 27.834548][ T308] R13: 0000000003938700 R14: 0000560f500ef100 R15: 0000560f500ef140 [ 27.842550][ T308] [ 27.846681][ T370] CPU: 0 PID: 370 Comm: syz-executor Not tainted syzkaller #0 [ 27.853631][ T92] FAULT_INJECTION: forcing a failure. [ 27.853631][ T92] name failslab, interval 1, probability 1, space 0, times 1000 [ 27.854179][ T370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 27.877110][ T370] Call Trace: [ 27.880422][ T370] [ 27.883378][ T370] __dump_stack+0x21/0x24 [ 27.887772][ T370] dump_stack_lvl+0x110/0x170 [ 27.892479][ T370] ? __cfi_dump_stack_lvl+0x8/0x8 [ 27.897552][ T370] ? __kasan_slab_free+0x11/0x20 [ 27.902530][ T370] dump_stack+0x15/0x24 [ 27.906711][ T370] should_fail_ex+0x3bf/0x510 [ 27.911417][ T370] ? getname_flags+0xba/0x510 [ 27.916113][ T370] __should_failslab+0xac/0xf0 [ 27.920897][ T370] should_failslab+0x9/0x20 [ 27.925421][ T370] kmem_cache_alloc+0x3b/0x320 [ 27.930207][ T370] ? __x64_sys_umount+0x12d/0x170 [ 27.935260][ T370] getname_flags+0xba/0x510 [ 27.939787][ T370] ? debug_smp_processor_id+0x17/0x20 [ 27.945207][ T370] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 27.951475][ T370] __x64_sys_unlink+0x3c/0x50 [ 27.956186][ T370] x64_sys_call+0x958/0x9a0 [ 27.960720][ T370] do_syscall_64+0x4c/0xa0 [ 27.965156][ T370] ? clear_bhb_loop+0x30/0x80 [ 27.969854][ T370] ? clear_bhb_loop+0x30/0x80 [ 27.974546][ T370] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 27.980478][ T370] RIP: 0033:0x7fd34799cf87 [ 27.984912][ T370] Code: 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 28.003942][ T1] FAULT_INJECTION: forcing a failure. [ 28.003942][ T1] name failslab, interval 1, probability 1, space 0, times 999 [ 28.004541][ T370] RSP: 002b:00007ffc73f3fc88 EFLAGS: 00000206 ORIG_RAX: 0000000000000057 [ 28.025783][ T370] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd34799cf87 [ 28.033774][ T370] RDX: 00007ffc73f3fcb0 RSI: 00007ffc73f3fd40 RDI: 00007ffc73f3fd40 [ 28.041760][ T370] RBP: 00007ffc73f3fd40 R08: 00007ffc73f40d40 R09: 00000000ffffffff [ 28.049745][ T370] R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffc73f40dd0 [ 28.057818][ T370] R13: 00007fd347a3330a R14: 0000000000006bbf R15: 00007ffc73f40e10 [ 28.065815][ T370] [ 28.068973][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 28.075787][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 28.086059][ T92] Call Trace: [ 28.089376][ T92] [ 28.092331][ T92] __dump_stack+0x21/0x24 [ 28.096867][ T92] dump_stack_lvl+0x110/0x170 [ 28.101565][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 28.102563][ T328] FAULT_INJECTION: forcing a failure. [ 28.102563][ T328] name failslab, interval 1, probability 1, space 0, times 997 [ 28.106665][ T92] dump_stack+0x15/0x24 [ 28.123679][ T92] should_fail_ex+0x3bf/0x510 [ 28.128378][ T92] __should_failslab+0xac/0xf0 [ 28.133173][ T92] should_failslab+0x9/0x20 [ 28.137690][ T92] kmem_cache_alloc_node+0x42/0x330 [ 28.142926][ T92] ? __alloc_skb+0xe8/0x4a0 [ 28.147448][ T92] __alloc_skb+0xe8/0x4a0 [ 28.151821][ T92] alloc_skb_with_frags+0xa8/0x620 [ 28.156960][ T92] ? memcpy+0x56/0x70 [ 28.160965][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 28.166207][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 28.172001][ T92] ? __kasan_check_write+0x14/0x20 [ 28.177217][ T92] ? _raw_spin_lock+0x94/0xf0 [ 28.181911][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 28.187126][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 28.192264][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 28.197830][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 28.203756][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 28.209331][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 28.214897][ T92] __sys_sendto+0x4ac/0x660 [ 28.219505][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 28.224550][ T92] ? __cfi_do_syslog+0x10/0x10 [ 28.229336][ T92] ? __schedule+0xbea/0x14b0 [ 28.233970][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 28.239629][ T92] ? xfd_validate_state+0x70/0x150 [ 28.244762][ T92] __x64_sys_sendto+0xe5/0x100 [ 28.249566][ T92] x64_sys_call+0x83/0x9a0 [ 28.254005][ T92] do_syscall_64+0x4c/0xa0 [ 28.259865][ T92] ? clear_bhb_loop+0x30/0x80 [ 28.264580][ T92] ? clear_bhb_loop+0x30/0x80 [ 28.269485][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 28.275524][ T92] RIP: 0033:0x7fe7fb793407 [ 28.280074][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 28.300144][ T92] RSP: 002b:00007ffff759b300 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 28.308693][ T92] RAX: ffffffffffffffda RBX: 00007fe7fb643c80 RCX: 00007fe7fb793407 [ 28.316693][ T92] RDX: 0000000000000047 RSI: 00007ffff759b440 RDI: 0000000000000003 [ 28.324689][ T92] RBP: 00007ffff759b870 R08: 0000000000000000 R09: 0000000000000000 [ 28.332696][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffff759b888 [ 28.340881][ T92] R13: 00007ffff759b440 R14: 000000000000002c R15: 00007ffff759b440 [ 28.348886][ T92] [ 28.351925][ T328] CPU: 0 PID: 328 Comm: kworker/0:2 Not tainted syzkaller #0 [ 28.359333][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 28.369414][ T328] Workqueue: ipv6_addrconf addrconf_dad_work [ 28.375446][ T328] Call Trace: [ 28.378838][ T328] [ 28.381796][ T328] __dump_stack+0x21/0x24 [ 28.386273][ T328] dump_stack_lvl+0x110/0x170 [ 28.390995][ T328] ? __cfi_dump_stack_lvl+0x8/0x8 [ 28.396061][ T328] dump_stack+0x15/0x24 [ 28.400328][ T328] should_fail_ex+0x3bf/0x510 [ 28.405024][ T328] ? fib6_add+0x943/0x3dd0 [ 28.409566][ T328] __should_failslab+0xac/0xf0 [ 28.414355][ T328] should_failslab+0x9/0x20 [ 28.418883][ T328] kmem_cache_alloc+0x3b/0x320 [ 28.423782][ T328] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 28.429803][ T328] ? debug_smp_processor_id+0x17/0x20 [ 28.435495][ T328] fib6_add+0x943/0x3dd0 [ 28.439790][ T328] ? kfree_skbmem+0x10c/0x180 [ 28.444657][ T328] ? __cfi_fib6_add+0x10/0x10 [ 28.449471][ T328] ? __kasan_check_write+0x14/0x20 [ 28.454717][ T328] ? _raw_spin_lock_bh+0x94/0xf0 [ 28.459876][ T328] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 28.465743][ T328] ip6_ins_rt+0xd3/0x130 [ 28.470057][ T328] ? __cfi_ip6_ins_rt+0x10/0x10 [ 28.475067][ T328] ? nlmsg_notify+0x13f/0x1a0 [ 28.479976][ T328] ? rtnl_notify+0x9a/0xc0 [ 28.484411][ T328] __ipv6_ifa_notify+0x4e4/0xe80 [ 28.489371][ T328] ? snmp6_fill_stats+0x6c0/0x6c0 [ 28.494414][ T328] ? __local_bh_enable_ip+0x58/0x80 [ 28.499635][ T328] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 28.506518][ T328] ? __kasan_check_write+0x14/0x20 [ 28.511736][ T328] ? try_to_grab_pending+0x1a4/0x580 [ 28.517053][ T328] ? mod_delayed_work_on+0xe0/0xe0 [ 28.522192][ T328] ? __cfi_fib6_clean_node+0x10/0x10 [ 28.527694][ T328] ? __kasan_check_write+0x14/0x20 [ 28.532886][ T328] ? __cancel_work+0x198/0x200 [ 28.537767][ T328] addrconf_dad_completed+0x192/0xe80 [ 28.543172][ T328] ? addrconf_dad_stop+0x440/0x440 [ 28.548340][ T328] addrconf_dad_work+0xc1b/0x14a0 [ 28.553400][ T328] ? __cfi_addrconf_dad_work+0x10/0x10 [ 28.558986][ T328] ? __kasan_check_write+0x14/0x20 [ 28.564229][ T328] ? _raw_spin_lock_irq+0x95/0xf0 [ 28.569302][ T328] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 28.574878][ T328] ? __kasan_check_write+0x14/0x20 [ 28.580022][ T328] process_one_work+0x717/0xc30 [ 28.584894][ T328] worker_thread+0xa4d/0x11d0 [ 28.589690][ T328] kthread+0x281/0x320 [ 28.593807][ T328] ? __cfi_worker_thread+0x10/0x10 [ 28.598949][ T328] ? __cfi_kthread+0x10/0x10 [ 28.603584][ T328] ret_from_fork+0x1f/0x30 [ 28.608031][ T328] [ 28.612184][ T1] CPU: 0 PID: 1 Comm: init Not tainted syzkaller #0 [ 28.618821][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 28.629015][ T1] Call Trace: [ 28.632335][ T1] [ 28.635292][ T1] __dump_stack+0x21/0x24 [ 28.639661][ T1] dump_stack_lvl+0x110/0x170 [ 28.644370][ T1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 28.649426][ T1] ? fcntl_setlk+0xa6/0x1070 [ 28.654038][ T1] dump_stack+0x15/0x24 [ 28.658214][ T1] should_fail_ex+0x3bf/0x510 [ 28.662902][ T1] ? posix_lock_inode+0x240/0x34e0 [ 28.668025][ T1] __should_failslab+0xac/0xf0 [ 28.672810][ T1] should_failslab+0x9/0x20 [ 28.677325][ T1] kmem_cache_alloc+0x3b/0x320 [ 28.682110][ T1] ? locks_get_lock_context+0x57/0x2d0 [ 28.687592][ T1] posix_lock_inode+0x240/0x34e0 [ 28.692629][ T1] ? file_has_perm+0x52d/0x700 [ 28.697525][ T1] ? match_file+0x130/0x130 [ 28.702056][ T1] ? posix_lock_file+0x50/0x50 [ 28.706836][ T1] ? security_file_lock+0x8a/0xb0 [ 28.711911][ T1] fcntl_setlk+0xa38/0x1070 [ 28.716524][ T1] ? __cfi_fcntl_setlk+0x10/0x10 [ 28.721485][ T1] ? __cfi_avc_has_perm+0x10/0x10 [ 28.726533][ T1] ? __kasan_check_write+0x14/0x20 [ 28.731656][ T1] do_fcntl+0x582/0x1110 [ 28.735913][ T1] ? match_file+0x130/0x130 [ 28.740438][ T1] ? kill_fasync+0x210/0x210 [ 28.745076][ T1] ? security_file_fcntl+0x95/0xc0 [ 28.750235][ T1] __se_sys_fcntl+0xdf/0x1b0 [ 28.754849][ T1] ? debug_smp_processor_id+0x17/0x20 [ 28.760237][ T1] __x64_sys_fcntl+0x7b/0x90 [ 28.764844][ T1] x64_sys_call+0x1a9/0x9a0 [ 28.769364][ T1] do_syscall_64+0x4c/0xa0 [ 28.773796][ T1] ? clear_bhb_loop+0x30/0x80 [ 28.778629][ T1] ? clear_bhb_loop+0x30/0x80 [ 28.783337][ T1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 28.789356][ T1] RIP: 0033:0x7f1658c62add [ 28.793793][ T1] Code: 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 c7 44 24 b8 10 00 00 00 48 89 44 24 c8 83 fe 09 74 1a b8 48 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 23 c3 66 2e 0f 1f 84 00 00 00 00 00 48 8d 54 [ 28.813590][ T1] RSP: 002b:00007ffc4b4abea8 EFLAGS: 00000293 ORIG_RAX: 0000000000000048 [ 28.822022][ T1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1658c62add [ 28.830006][ T1] RDX: 00007ffc4b4abeb0 RSI: 0000000000000007 RDI: 0000000000000003 [ 28.838173][ T1] RBP: 0000000000000003 R08: 00007ffc4b4abed0 R09: 0000000000000000 [ 28.846153][ T1] R10: 0000000000000008 R11: 0000000000000293 R12: 0000000000000000 [ 28.854143][ T1] R13: 00007ffc4b4abed0 R14: 0000000000000002 R15: 000055b4007a2d98 [ 28.862133][ T1] [ 28.866653][ T6] FAULT_INJECTION: forcing a failure. [ 28.866653][ T6] name failslab, interval 1, probability 1, space 0, times 994 [ 28.867170][ T24] FAULT_INJECTION: forcing a failure. [ 28.867170][ T24] name failslab, interval 1, probability 1, space 0, times 994 [ 28.879735][ T6] CPU: 0 PID: 6 Comm: kworker/0:0 Not tainted syzkaller #0 [ 28.899721][ T6] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 28.901600][ T92] FAULT_INJECTION: forcing a failure. [ 28.901600][ T92] name failslab, interval 1, probability 1, space 0, times 994 [ 28.909981][ T6] Workqueue: mld mld_ifc_work [ 28.927556][ T6] Call Trace: [ 28.930857][ T6] [ 28.933814][ T6] __dump_stack+0x21/0x24 [ 28.938184][ T6] dump_stack_lvl+0x110/0x170 [ 28.942897][ T6] ? __cfi_dump_stack_lvl+0x8/0x8 [ 28.947959][ T6] ? __mutex_unlock_slowpath+0x298/0x3f0 [ 28.953671][ T6] ? mutex_unlock+0x230/0x230 [ 28.958395][ T6] dump_stack+0x15/0x24 [ 28.962588][ T6] should_fail_ex+0x3bf/0x510 [ 28.967317][ T6] __should_failslab+0xac/0xf0 [ 28.972113][ T6] should_failslab+0x9/0x20 [ 28.976638][ T6] kmem_cache_alloc_node+0x42/0x330 [ 28.981877][ T6] ? __alloc_skb+0xe8/0x4a0 [ 28.986819][ T6] __alloc_skb+0xe8/0x4a0 [ 28.991187][ T6] mld_newpack+0x143/0xa30 [ 28.995638][ T6] ? mld_sendpack+0xda0/0xda0 [ 29.000341][ T6] ? ndisc_send_ns+0xd4/0x160 [ 29.005134][ T6] ? __cfi_ndisc_send_ns+0x10/0x10 [ 29.010454][ T6] ? mod_delayed_work_on+0xa8/0xe0 [ 29.015597][ T6] add_grec+0xf26/0x13f0 [ 29.019866][ T6] ? __kasan_check_write+0x14/0x20 [ 29.025016][ T6] ? mutex_lock+0x93/0x1b0 [ 29.029512][ T6] ? __cfi_mutex_lock+0x10/0x10 [ 29.034404][ T6] mld_ifc_work+0x782/0xc20 [ 29.038935][ T6] process_one_work+0x717/0xc30 [ 29.043902][ T6] worker_thread+0xa4d/0x11d0 [ 29.048693][ T6] kthread+0x281/0x320 [ 29.052955][ T6] ? __cfi_worker_thread+0x10/0x10 [ 29.058169][ T6] ? __cfi_kthread+0x10/0x10 [ 29.062951][ T6] ret_from_fork+0x1f/0x30 [ 29.067425][ T6] [ 29.070462][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 29.077261][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 29.087518][ T92] Call Trace: [ 29.090846][ T92] [ 29.093785][ T92] __dump_stack+0x21/0x24 [ 29.098173][ T92] dump_stack_lvl+0x110/0x170 [ 29.103048][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 29.108111][ T92] ? __schedule+0xbea/0x14b0 [ 29.113049][ T92] dump_stack+0x15/0x24 [ 29.117238][ T92] should_fail_ex+0x3bf/0x510 [ 29.122119][ T92] __should_failslab+0xac/0xf0 [ 29.127154][ T92] should_failslab+0x9/0x20 [ 29.131694][ T92] kmem_cache_alloc_node+0x42/0x330 [ 29.136938][ T92] ? __alloc_skb+0xe8/0x4a0 [ 29.141677][ T92] ? __kasan_check_write+0x14/0x20 [ 29.146812][ T92] __alloc_skb+0xe8/0x4a0 [ 29.151171][ T92] alloc_skb_with_frags+0xa8/0x620 [ 29.156396][ T92] ? memcpy+0x56/0x70 [ 29.160400][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 29.165647][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 29.171378][ T92] ? __kasan_check_write+0x14/0x20 [ 29.176523][ T92] ? _raw_spin_lock+0x94/0xf0 [ 29.181230][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 29.186467][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 29.191599][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 29.197268][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 29.203173][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 29.208752][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 29.214323][ T92] __sys_sendto+0x4ac/0x660 [ 29.218856][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 29.223923][ T92] ? __cfi_do_syslog+0x10/0x10 [ 29.228712][ T92] ? __sys_connect+0x267/0x460 [ 29.233585][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 29.239155][ T92] ? xfd_validate_state+0x70/0x150 [ 29.244294][ T92] ? __kasan_check_write+0x14/0x20 [ 29.249430][ T92] __x64_sys_sendto+0xe5/0x100 [ 29.254242][ T92] x64_sys_call+0x83/0x9a0 [ 29.258681][ T92] do_syscall_64+0x4c/0xa0 [ 29.263165][ T92] ? clear_bhb_loop+0x30/0x80 [ 29.267869][ T92] ? clear_bhb_loop+0x30/0x80 [ 29.272555][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 29.278559][ T92] RIP: 0033:0x7fe7fb793407 [ 29.282984][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 29.302591][ T92] RSP: 002b:00007ffff759b300 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 29.311028][ T92] RAX: ffffffffffffffda RBX: 00007fe7fb643c80 RCX: 00007fe7fb793407 [ 29.319094][ T92] RDX: 000000000000003a RSI: 00007ffff759b440 RDI: 0000000000000003 [ 29.327086][ T92] RBP: 00007ffff759b870 R08: 0000000000000000 R09: 0000000000000000 [ 29.335070][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffff759b888 [ 29.343060][ T92] R13: 00007ffff759b440 R14: 000000000000001f R15: 00007ffff759b440 [ 29.351081][ T92] [ 29.355589][ T24] CPU: 1 PID: 24 Comm: kworker/1:0 Not tainted syzkaller #0 [ 29.358673][ T92] FAULT_INJECTION: forcing a failure. [ 29.358673][ T92] name failslab, interval 1, probability 1, space 0, times 991 [ 29.362969][ T24] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 29.362985][ T24] Workqueue: ipv6_addrconf addrconf_dad_work [ 29.363011][ T24] Call Trace: [ 29.363017][ T24] [ 29.363023][ T24] __dump_stack+0x21/0x24 [ 29.363050][ T24] dump_stack_lvl+0x110/0x170 [ 29.363073][ T24] ? __cfi_dump_stack_lvl+0x8/0x8 [ 29.363097][ T24] ? __cfi_fib6_add+0x10/0x10 [ 29.363126][ T24] dump_stack+0x15/0x24 [ 29.363148][ T24] should_fail_ex+0x3bf/0x510 [ 29.426607][ T24] __should_failslab+0xac/0xf0 [ 29.431444][ T24] should_failslab+0x9/0x20 [ 29.435978][ T24] kmem_cache_alloc_node+0x42/0x330 [ 29.441204][ T24] ? __alloc_skb+0xe8/0x4a0 [ 29.445735][ T24] __alloc_skb+0xe8/0x4a0 [ 29.450085][ T24] mld_newpack+0x143/0xa30 [ 29.454610][ T24] ? mld_sendpack+0xda0/0xda0 [ 29.459323][ T24] ? snmp6_fill_stats+0x6c0/0x6c0 [ 29.464364][ T24] ? ndisc_send_skb+0x8cd/0xcd0 [ 29.469412][ T24] add_grec+0xf26/0x13f0 [ 29.473678][ T24] ipv6_mc_dad_complete+0x25a/0x620 [ 29.478898][ T24] addrconf_dad_completed+0x737/0xe80 [ 29.484286][ T24] ? addrconf_dad_stop+0x440/0x440 [ 29.489497][ T24] ? mod_delayed_work_on+0xa8/0xe0 [ 29.494656][ T24] addrconf_dad_work+0xc1b/0x14a0 [ 29.499807][ T24] ? __cfi_addrconf_dad_work+0x10/0x10 [ 29.505378][ T24] ? __kasan_check_write+0x14/0x20 [ 29.510520][ T24] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 29.516452][ T24] process_one_work+0x717/0xc30 [ 29.521448][ T24] worker_thread+0xa4d/0x11d0 [ 29.526157][ T24] kthread+0x281/0x320 [ 29.530275][ T24] ? __cfi_worker_thread+0x10/0x10 [ 29.535421][ T24] ? __cfi_kthread+0x10/0x10 [ 29.540030][ T24] ret_from_fork+0x1f/0x30 [ 29.544506][ T24] [ 29.547560][ T92] CPU: 0 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 29.554387][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 29.564488][ T92] Call Trace: [ 29.567792][ T92] [ 29.570763][ T92] __dump_stack+0x21/0x24 [ 29.575202][ T92] dump_stack_lvl+0x110/0x170 [ 29.579912][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 29.584960][ T92] ? __schedule+0xbea/0x14b0 [ 29.589580][ T92] dump_stack+0x15/0x24 [ 29.593774][ T92] should_fail_ex+0x3bf/0x510 [ 29.598580][ T92] __should_failslab+0xac/0xf0 [ 29.603429][ T92] should_failslab+0x9/0x20 [ 29.607948][ T92] kmem_cache_alloc_node+0x42/0x330 [ 29.613178][ T92] ? __alloc_skb+0xe8/0x4a0 [ 29.617709][ T92] ? __kasan_check_write+0x14/0x20 [ 29.622844][ T92] __alloc_skb+0xe8/0x4a0 [ 29.627188][ T92] alloc_skb_with_frags+0xa8/0x620 [ 29.632324][ T92] ? memcpy+0x56/0x70 [ 29.636429][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 29.641658][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 29.647505][ T92] ? __kasan_check_write+0x14/0x20 [ 29.652634][ T92] ? _raw_spin_lock+0x94/0xf0 [ 29.657336][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 29.662558][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 29.667750][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 29.673335][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 29.679269][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 29.685405][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 29.690908][ T92] __sys_sendto+0x4ac/0x660 [ 29.695478][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 29.700532][ T92] ? __cfi_do_syslog+0x10/0x10 [ 29.705428][ T92] ? __sys_connect+0x267/0x460 [ 29.710348][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 29.716236][ T92] ? xfd_validate_state+0x70/0x150 [ 29.721395][ T92] ? __kasan_check_write+0x14/0x20 [ 29.726565][ T92] __x64_sys_sendto+0xe5/0x100 [ 29.731385][ T92] x64_sys_call+0x83/0x9a0 [ 29.735839][ T92] do_syscall_64+0x4c/0xa0 [ 29.740295][ T92] ? clear_bhb_loop+0x30/0x80 [ 29.745017][ T92] ? clear_bhb_loop+0x30/0x80 [ 29.749900][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 29.755824][ T92] RIP: 0033:0x7fe7fb793407 [ 29.760254][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 29.779880][ T92] RSP: 002b:00007ffff759b300 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 29.788311][ T92] RAX: ffffffffffffffda RBX: 00007fe7fb643c80 RCX: 00007fe7fb793407 [ 29.796295][ T92] RDX: 0000000000000078 RSI: 00007ffff759b440 RDI: 0000000000000003 [ 29.804422][ T92] RBP: 00007ffff759b870 R08: 0000000000000000 R09: 0000000000000000 [ 29.812514][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffff759b888 [ 29.820692][ T92] R13: 00007ffff759b440 R14: 000000000000005d R15: 00007ffff759b440 [ 29.828697][ T92] [ 29.833387][ T370] FAULT_INJECTION: forcing a failure. [ 29.833387][ T370] name failslab, interval 1, probability 1, space 0, times 989 [ 29.846452][ T370] CPU: 0 PID: 370 Comm: syz-executor Not tainted syzkaller #0 [ 29.846622][ T92] FAULT_INJECTION: forcing a failure. [ 29.846622][ T92] name failslab, interval 1, probability 1, space 0, times 989 [ 29.853947][ T370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 29.853959][ T370] Call Trace: [ 29.853964][ T370] [ 29.853972][ T370] __dump_stack+0x21/0x24 [ 29.887476][ T370] dump_stack_lvl+0x110/0x170 [ 29.892186][ T370] ? __cfi_dump_stack_lvl+0x8/0x8 [ 29.897233][ T370] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 29.900436][ T24] FAULT_INJECTION: forcing a failure. [ 29.900436][ T24] name failslab, interval 1, probability 1, space 0, times 989 [ 29.903060][ T370] ? kvfree_call_rcu+0x57a/0x7a0 [ 29.920899][ T370] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 29.926952][ T370] dump_stack+0x15/0x24 [ 29.931150][ T370] should_fail_ex+0x3bf/0x510 [ 29.935963][ T370] __should_failslab+0xac/0xf0 [ 29.940769][ T370] should_failslab+0x9/0x20 [ 29.945431][ T370] __kmem_cache_alloc_node+0x3d/0x2d0 [ 29.950859][ T370] ? igmp6_group_dropped+0x47d/0xa60 [ 29.956178][ T370] ? igmp6_group_dropped+0x47d/0xa60 [ 29.961482][ T370] kmalloc_trace+0x29/0xb0 [ 29.965952][ T370] igmp6_group_dropped+0x47d/0xa60 [ 29.971202][ T370] ? __ipv6_dev_mc_inc+0x9a0/0x9a0 [ 29.976784][ T370] ? mutex_lock+0x93/0x1b0 [ 29.981346][ T370] ? __kasan_check_read+0x11/0x20 [ 29.986495][ T370] __ipv6_dev_mc_dec+0x296/0x4e0 [ 29.991486][ T370] __ipv6_ifa_notify+0x75d/0xe80 [ 29.996466][ T370] ? detach_if_pending+0xf5/0x300 [ 30.001525][ T370] ? snmp6_fill_stats+0x6c0/0x6c0 [ 30.006572][ T370] ? __neigh_ifdown+0x3c9/0x400 [ 30.011458][ T370] ? __kasan_check_write+0x14/0x20 [ 30.016590][ T370] ? try_to_grab_pending+0x1a4/0x580 [ 30.021910][ T370] ? insert_work+0x26c/0x300 [ 30.026543][ T370] ? mod_delayed_work_on+0xe0/0xe0 [ 30.031767][ T370] ? __kasan_check_write+0x14/0x20 [ 30.036936][ T370] ? _raw_spin_lock_bh+0x94/0xf0 [ 30.041911][ T370] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 30.047401][ T370] ? __kasan_check_write+0x14/0x20 [ 30.052547][ T370] addrconf_ifdown+0xdfd/0x1950 [ 30.057442][ T370] ? addrconf_cleanup+0x130/0x130 [ 30.062773][ T370] ? __kasan_check_write+0x14/0x20 [ 30.067932][ T370] ? mutex_unlock+0x8f/0x230 [ 30.072554][ T370] ? __cfi_mutex_unlock+0x10/0x10 [ 30.077615][ T370] ? __cfi_device_cmp+0x10/0x10 [ 30.082509][ T370] ? masq_device_event+0xd0/0xd0 [ 30.087470][ T370] addrconf_notify+0x39f/0xe30 [ 30.092252][ T370] raw_notifier_call_chain+0xa1/0x110 [ 30.097652][ T370] dev_close_many+0x325/0x4d0 [ 30.102460][ T370] ? __cfi_dev_close_many+0x10/0x10 [ 30.107679][ T370] ? __kasan_check_read+0x11/0x20 [ 30.112730][ T370] unregister_netdevice_many+0x43f/0x1910 [ 30.118478][ T370] ? add_timer+0x68/0x80 [ 30.122858][ T370] ? __cfi_unregister_netdevice_many+0x10/0x10 [ 30.129045][ T370] ? __queue_delayed_work+0x173/0x200 [ 30.134439][ T370] ? queue_delayed_work_on+0x10d/0x160 [ 30.140004][ T370] ? linkwatch_fire_event+0x1dc/0x240 [ 30.145488][ T370] ? __kasan_check_read+0x11/0x20 [ 30.150529][ T370] unregister_netdevice_queue+0x2e1/0x320 [ 30.156272][ T370] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 30.162540][ T370] ? linkwatch_fire_event+0x208/0x240 [ 30.167962][ T370] __tun_detach+0xc9d/0x1450 [ 30.172638][ T370] tun_chr_close+0x92/0x140 [ 30.177214][ T370] ? __cfi_tun_chr_close+0x10/0x10 [ 30.182406][ T370] __fput+0x1fd/0x8f0 [ 30.186509][ T370] ____fput+0x15/0x20 [ 30.190521][ T370] task_work_run+0x1e1/0x250 [ 30.195152][ T370] ? __cfi_task_work_run+0x10/0x10 [ 30.200301][ T370] ? free_nsproxy+0x21f/0x270 [ 30.205198][ T370] do_exit+0xaf2/0x2850 [ 30.209686][ T370] ? __cfi_do_exit+0x10/0x10 [ 30.214310][ T370] ? __kasan_check_write+0x14/0x20 [ 30.219444][ T370] ? _raw_spin_lock_irq+0x95/0xf0 [ 30.224494][ T370] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 30.230063][ T370] ? xfd_validate_state+0x70/0x150 [ 30.235201][ T370] ? zap_other_threads+0x2c1/0x2f0 [ 30.240419][ T370] do_group_exit+0x21b/0x2e0 [ 30.245037][ T370] __x64_sys_exit_group+0x3f/0x40 [ 30.250107][ T370] x64_sys_call+0x7b4/0x9a0 [ 30.254629][ T370] do_syscall_64+0x4c/0xa0 [ 30.259133][ T370] ? clear_bhb_loop+0x30/0x80 [ 30.263858][ T370] ? clear_bhb_loop+0x30/0x80 [ 30.268665][ T370] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 30.274679][ T370] RIP: 0033:0x7fd34799de99 [ 30.279308][ T370] Code: Unable to access opcode bytes at 0x7fd34799de6f. [ 30.286379][ T370] RSP: 002b:00007ffc73f3fb78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 30.294931][ T370] RAX: ffffffffffffffda RBX: 00007fd347a3336a RCX: 00007fd34799de99 [ 30.302923][ T370] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 30.311003][ T370] RBP: 000000000000000c R08: 0000000000000000 R09: 00007fd347a3330a [ 30.319020][ T370] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc73f40dd0 [ 30.327024][ T370] R13: 00007fd347a3330a R14: 0000555593e664e8 R15: 00007ffc73f40e10 [ 30.335027][ T370] [ 30.338068][ T24] CPU: 1 PID: 24 Comm: kworker/1:0 Not tainted syzkaller #0 [ 30.345565][ T24] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 30.355739][ T24] Workqueue: mld mld_ifc_work [ 30.360447][ T24] Call Trace: [ 30.363740][ T24] [ 30.366782][ T24] __dump_stack+0x21/0x24 [ 30.371141][ T24] dump_stack_lvl+0x110/0x170 [ 30.375862][ T24] ? __cfi_dump_stack_lvl+0x8/0x8 [ 30.380926][ T24] ? update_blocked_averages+0xefd/0x1080 [ 30.386670][ T24] dump_stack+0x15/0x24 [ 30.390868][ T24] should_fail_ex+0x3bf/0x510 [ 30.395585][ T24] __should_failslab+0xac/0xf0 [ 30.400465][ T24] should_failslab+0x9/0x20 [ 30.404990][ T24] kmem_cache_alloc_node+0x42/0x330 [ 30.410224][ T24] ? __alloc_skb+0xe8/0x4a0 [ 30.414769][ T24] ? sched_balance_newidle+0x902/0xcd0 [ 30.420355][ T24] __alloc_skb+0xe8/0x4a0 [ 30.424892][ T24] mld_newpack+0x143/0xa30 [ 30.429426][ T24] ? save_fpregs_to_fpstate+0x199/0x220 [ 30.435010][ T24] ? mld_sendpack+0xda0/0xda0 [ 30.439776][ T24] ? __switch_to+0x56f/0x1070 [ 30.444617][ T24] add_grec+0xf26/0x13f0 [ 30.448907][ T24] ? __cfi___switch_to+0x10/0x10 [ 30.453887][ T24] ? __kasan_check_write+0x14/0x20 [ 30.459026][ T24] ? mutex_lock+0x93/0x1b0 [ 30.463469][ T24] ? __cfi_mutex_lock+0x10/0x10 [ 30.468348][ T24] ? _raw_spin_unlock+0x4c/0x70 [ 30.473220][ T24] mld_ifc_work+0x782/0xc20 [ 30.477752][ T24] process_one_work+0x717/0xc30 [ 30.482715][ T24] worker_thread+0xa4d/0x11d0 [ 30.487414][ T24] kthread+0x281/0x320 [ 30.491503][ T24] ? __cfi_worker_thread+0x10/0x10 [ 30.496723][ T24] ? __cfi_kthread+0x10/0x10 [ 30.501335][ T24] ret_from_fork+0x1f/0x30 [ 30.505782][ T24] [ 30.508825][ T92] CPU: 0 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 30.515625][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 30.525784][ T92] Call Trace: [ 30.529078][ T92] [ 30.532021][ T92] __dump_stack+0x21/0x24 [ 30.536374][ T92] dump_stack_lvl+0x110/0x170 [ 30.541073][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 30.546113][ T92] ? __kasan_check_read+0x11/0x20 [ 30.551154][ T92] ? ttwu_do_wakeup+0x102/0x490 [ 30.556028][ T92] dump_stack+0x15/0x24 [ 30.560196][ T92] should_fail_ex+0x3bf/0x510 [ 30.564892][ T92] __should_failslab+0xac/0xf0 [ 30.569673][ T92] should_failslab+0x9/0x20 [ 30.574195][ T92] kmem_cache_alloc_node+0x42/0x330 [ 30.579411][ T92] ? __alloc_skb+0xe8/0x4a0 [ 30.583928][ T92] __alloc_skb+0xe8/0x4a0 [ 30.588359][ T92] alloc_skb_with_frags+0xa8/0x620 [ 30.593485][ T92] ? memcpy+0x56/0x70 [ 30.597573][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 30.602813][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 30.608556][ T92] ? __kasan_check_write+0x14/0x20 [ 30.613688][ T92] ? _raw_spin_lock+0x94/0xf0 [ 30.618405][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 30.623708][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 30.628847][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 30.634412][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 30.640345][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 30.645917][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 30.651423][ T92] __sys_sendto+0x4ac/0x660 [ 30.656016][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 30.661073][ T92] ? __cfi_do_syslog+0x10/0x10 [ 30.665859][ T92] ? __sys_connect+0x267/0x460 [ 30.670642][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 30.676204][ T92] ? xfd_validate_state+0x70/0x150 [ 30.681334][ T92] __x64_sys_sendto+0xe5/0x100 [ 30.686128][ T92] x64_sys_call+0x83/0x9a0 [ 30.690586][ T92] do_syscall_64+0x4c/0xa0 [ 30.695033][ T92] ? clear_bhb_loop+0x30/0x80 [ 30.699727][ T92] ? clear_bhb_loop+0x30/0x80 [ 30.704512][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 30.710436][ T92] RIP: 0033:0x7fe7fb793407 [ 30.714877][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 30.734506][ T92] RSP: 002b:00007ffff759b300 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 30.742966][ T92] RAX: ffffffffffffffda RBX: 00007fe7fb643c80 RCX: 00007fe7fb793407 [ 30.750969][ T92] RDX: 000000000000003d RSI: 00007ffff759b440 RDI: 0000000000000003 [ 30.759054][ T92] RBP: 00007ffff759b870 R08: 0000000000000000 R09: 0000000000000000 [ 30.767317][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffff759b888 [ 30.775346][ T92] R13: 00007ffff759b440 R14: 0000000000000022 R15: 00007ffff759b440 [ 30.783509][ T92] [ 30.786734][ C0] FAULT_INJECTION: forcing a failure. [ 30.786734][ C0] name failslab, interval 1, probability 1, space 0, times 987 [ 30.799575][ C0] CPU: 0 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 30.806469][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 30.816640][ C0] Call Trace: [ 30.819946][ C0] [ 30.822857][ C0] __dump_stack+0x21/0x24 [ 30.827214][ C0] dump_stack_lvl+0x110/0x170 [ 30.831910][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 30.836958][ C0] ? enqueue_timer+0x1b6/0x480 [ 30.841745][ C0] dump_stack+0x15/0x24 [ 30.845915][ C0] should_fail_ex+0x3bf/0x510 [ 30.850611][ C0] __should_failslab+0xac/0xf0 [ 30.855405][ C0] should_failslab+0x9/0x20 [ 30.859924][ C0] kmem_cache_alloc_node+0x42/0x330 [ 30.865173][ C0] ? __alloc_skb+0xe8/0x4a0 [ 30.869710][ C0] __alloc_skb+0xe8/0x4a0 [ 30.874050][ C0] wg_packet_send_keepalive+0x62/0x1c0 [ 30.879523][ C0] ? wg_expired_send_persistent_keepalive+0x44/0x80 [ 30.886135][ C0] wg_expired_send_persistent_keepalive+0x53/0x80 [ 30.892578][ C0] ? __cfi_wg_expired_send_persistent_keepalive+0x10/0x10 [ 30.899705][ C0] call_timer_fn+0x46/0x2a0 [ 30.904222][ C0] ? __cfi_wg_expired_send_persistent_keepalive+0x10/0x10 [ 30.911351][ C0] __run_timers+0x646/0x9b0 [ 30.915906][ C0] ? calc_index+0x200/0x200 [ 30.920441][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 30.925659][ C0] run_timer_softirq+0x6a/0xf0 [ 30.930439][ C0] handle_softirqs+0x1d7/0x600 [ 30.935217][ C0] __irq_exit_rcu+0x52/0xf0 [ 30.939733][ C0] irq_exit_rcu+0x9/0x10 [ 30.943996][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 30.949652][ C0] [ 30.952603][ C0] [ 30.955548][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 30.961632][ C0] RIP: 0010:preempt_schedule_irq+0xa5/0x120 [ 30.967542][ C0] Code: 44 24 20 00 02 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 d1 fb 4c fc fb bf 01 00 00 00 46 e5 ff ff fa bf 01 00 00 00 e8 7b fd 4c fc 65 48 8b 1d c3 d4 [ 30.987246][ C0] RSP: 0018:ffffc90000a17540 EFLAGS: 00000246 [ 30.993350][ C0] RAX: 1ffff11022017159 RBX: ffffc90000a17618 RCX: ffffffff87b7b100 [ 31.001341][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 31.009341][ C0] RBP: ffffc90000a175c8 R08: ffff8881100b8007 R09: 1ffff11022017000 [ 31.017339][ C0] R10: dffffc0000000000 R11: ffffed1022017001 R12: 0000000000000000 [ 31.025336][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000142ea8 [ 31.033337][ C0] ? __cfi_preempt_schedule_irq+0x10/0x10 [ 31.039099][ C0] ? kernel_text_address+0xa0/0xd0 [ 31.044274][ C0] raw_irqentry_exit_cond_resched+0x29/0x30 [ 31.050191][ C0] irqentry_exit+0x37/0x40 [ 31.054623][ C0] sysvec_reschedule_ipi+0x78/0x80 [ 31.059761][ C0] asm_sysvec_reschedule_ipi+0x1b/0x20 [ 31.065329][ C0] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 31.070821][ C0] Code: e6 00 02 00 00 31 ff e8 ea 56 77 fc 49 81 e5 00 02 00 00 75 07 e8 1c 52 77 fc eb 06 e8 15 52 77 fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 31.090552][ C0] RSP: 0018:ffffc90000a176c0 EFLAGS: 00000293 [ 31.096736][ C0] RAX: ffffffff84fa142b RBX: ffffffff860afda0 RCX: ffff8881100b8000 [ 31.104723][ C0] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 31.112707][ C0] RBP: ffffc90000a17760 R08: 0000000000000003 R09: 0000000000000004 [ 31.120702][ C0] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 31.128773][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000142ed8 [ 31.137021][ C0] ? dump_stack_lvl+0x13b/0x170 [ 31.141897][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 31.146937][ C0] ? __kasan_check_read+0x11/0x20 [ 31.151977][ C0] ? ttwu_do_wakeup+0x102/0x490 [ 31.156848][ C0] dump_stack+0x15/0x24 [ 31.161016][ C0] should_fail_ex+0x3bf/0x510 [ 31.165722][ C0] __should_failslab+0xac/0xf0 [ 31.170590][ C0] should_failslab+0x9/0x20 [ 31.175191][ C0] kmem_cache_alloc_node+0x42/0x330 [ 31.180414][ C0] ? __alloc_skb+0xe8/0x4a0 [ 31.184935][ C0] __alloc_skb+0xe8/0x4a0 [ 31.189275][ C0] alloc_skb_with_frags+0xa8/0x620 [ 31.194395][ C0] ? memcpy+0x56/0x70 [ 31.198393][ C0] sock_alloc_send_pskb+0x87f/0x9a0 [ 31.203607][ C0] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 31.209519][ C0] ? __kasan_check_write+0x14/0x20 [ 31.214821][ C0] ? _raw_spin_lock+0x94/0xf0 [ 31.219518][ C0] ? __cfi__raw_spin_lock+0x10/0x10 [ 31.224738][ C0] unix_dgram_sendmsg+0x5c1/0x1710 [ 31.229879][ C0] ? selinux_socket_sendmsg+0x22f/0x340 [ 31.235440][ C0] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 31.241355][ C0] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 31.246924][ C0] ? security_socket_sendmsg+0x93/0xb0 [ 31.252483][ C0] __sys_sendto+0x4ac/0x660 [ 31.257011][ C0] ? __cfi___sys_sendto+0x10/0x10 [ 31.262048][ C0] ? __cfi_do_syslog+0x10/0x10 [ 31.266829][ C0] ? __sys_connect+0x267/0x460 [ 31.271608][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 31.277181][ C0] ? xfd_validate_state+0x70/0x150 [ 31.282339][ C0] __x64_sys_sendto+0xe5/0x100 [ 31.287146][ C0] x64_sys_call+0x83/0x9a0 [ 31.291592][ C0] do_syscall_64+0x4c/0xa0 [ 31.296133][ C0] ? clear_bhb_loop+0x30/0x80 [ 31.300834][ C0] ? clear_bhb_loop+0x30/0x80 [ 31.305550][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 31.311575][ C0] RIP: 0033:0x7fe7fb793407 [ 31.316017][ C0] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 31.335747][ C0] RSP: 002b:00007ffff759b300 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 31.344204][ C0] RAX: ffffffffffffffda RBX: 00007fe7fb643c80 RCX: 00007fe7fb793407 [ 31.352189][ C0] RDX: 000000000000003d RSI: 00007ffff759b440 RDI: 0000000000000003 [ 31.360278][ C0] RBP: 00007ffff759b870 R08: 0000000000000000 R09: 0000000000000000 [ 31.368303][ C0] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffff759b888 [ 31.376292][ C0] R13: 00007ffff759b440 R14: 0000000000000022 R15: 00007ffff759b440 [ 31.384368][ C0] [ 31.389009][ T92] FAULT_INJECTION: forcing a failure. [ 31.389009][ T92] name failslab, interval 1, probability 1, space 0, times 985 [ 31.402220][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 31.409151][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 31.419234][ T92] Call Trace: [ 31.422520][ T92] [ 31.425456][ T92] __dump_stack+0x21/0x24 [ 31.429842][ T92] dump_stack_lvl+0x110/0x170 [ 31.434553][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 31.439595][ T92] dump_stack+0x15/0x24 [ 31.443775][ T92] should_fail_ex+0x3bf/0x510 [ 31.448488][ T92] __should_failslab+0xac/0xf0 [ 31.453311][ T92] should_failslab+0x9/0x20 [ 31.457833][ T92] __kmem_cache_alloc_node+0x3d/0x2d0 [ 31.463263][ T92] ? selinux_sk_alloc_security+0x7e/0x1a0 [ 31.469121][ T92] ? kasan_save_alloc_info+0x1f/0x30 [ 31.474428][ T92] ? __kasan_slab_alloc+0x72/0x80 [ 31.479588][ T92] ? selinux_sk_alloc_security+0x7e/0x1a0 [ 31.485367][ T92] kmalloc_trace+0x29/0xb0 [ 31.489844][ T92] selinux_sk_alloc_security+0x7e/0x1a0 [ 31.495426][ T92] security_sk_alloc+0x83/0xb0 [ 31.500228][ T92] sk_prot_alloc+0x108/0x320 [ 31.504926][ T92] sk_alloc+0x3b/0x460 [ 31.509027][ T92] unix_create1+0xb8/0x710 [ 31.513481][ T92] unix_create+0x149/0x200 [ 31.517916][ T92] __sock_create+0x39e/0x7c0 [ 31.522531][ T92] __sys_socket+0xcd/0x1a0 [ 31.527081][ T92] __x64_sys_socket+0x7a/0x90 [ 31.531769][ T92] x64_sys_call+0x449/0x9a0 [ 31.536466][ T92] do_syscall_64+0x4c/0xa0 [ 31.540929][ T92] ? clear_bhb_loop+0x30/0x80 [ 31.545646][ T92] ? clear_bhb_loop+0x30/0x80 [ 31.550348][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 31.556370][ T92] RIP: 0033:0x7fe7fb80e707 [ 31.560970][ T92] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 31.581055][ T92] RSP: 002b:00007ffff759b318 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 31.589589][ T92] RAX: ffffffffffffffda RBX: 000000000000003d RCX: 00007fe7fb80e707 [ 31.597670][ T92] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 31.605667][ T92] RBP: 00007fe7fb89a560 R08: 0000000000000000 R09: 0000000000000000 [ 31.613649][ T92] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 31.621723][ T92] R13: 00007ffff759b440 R14: 0000000000000022 R15: 00007ffff759b440 [ 31.629825][ T92] [ 31.634860][ T92] FAULT_INJECTION: forcing a failure. [ 31.634860][ T92] name failslab, interval 1, probability 1, space 0, times 983 [ 31.637902][ T6] FAULT_INJECTION: forcing a failure. [ 31.637902][ T6] name failslab, interval 1, probability 1, space 0, times 983 [ 31.648323][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 31.667859][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 31.677945][ T92] Call Trace: [ 31.681284][ T92] [ 31.684337][ T92] __dump_stack+0x21/0x24 [ 31.688695][ T92] dump_stack_lvl+0x110/0x170 [ 31.693391][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 31.698437][ T92] ? __schedule+0xbea/0x14b0 [ 31.703208][ T92] dump_stack+0x15/0x24 [ 31.707391][ T92] should_fail_ex+0x3bf/0x510 [ 31.712274][ T92] __should_failslab+0xac/0xf0 [ 31.717063][ T92] should_failslab+0x9/0x20 [ 31.721580][ T92] kmem_cache_alloc_node+0x42/0x330 [ 31.726803][ T92] ? __alloc_skb+0xe8/0x4a0 [ 31.731351][ T92] ? __kasan_check_write+0x14/0x20 [ 31.736477][ T92] __alloc_skb+0xe8/0x4a0 [ 31.740825][ T92] alloc_skb_with_frags+0xa8/0x620 [ 31.745977][ T92] ? memcpy+0x56/0x70 [ 31.750000][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 31.755743][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 31.761480][ T92] ? __kasan_check_write+0x14/0x20 [ 31.766610][ T92] ? _raw_spin_lock+0x94/0xf0 [ 31.771402][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 31.776618][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 31.781759][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 31.787332][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 31.793263][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 31.798861][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 31.804358][ T92] __sys_sendto+0x4ac/0x660 [ 31.808897][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 31.813973][ T92] ? security_unix_may_send+0x8c/0xb0 [ 31.819461][ T92] ? __sys_connect+0x267/0x460 [ 31.824506][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 31.830067][ T92] ? xfd_validate_state+0x70/0x150 [ 31.835204][ T92] ? __kasan_check_write+0x14/0x20 [ 31.840338][ T92] __x64_sys_sendto+0xe5/0x100 [ 31.845271][ T92] x64_sys_call+0x83/0x9a0 [ 31.849734][ T92] do_syscall_64+0x4c/0xa0 [ 31.854193][ T92] ? clear_bhb_loop+0x30/0x80 [ 31.858935][ T92] ? clear_bhb_loop+0x30/0x80 [ 31.860983][ C0] FAULT_INJECTION: forcing a failure. [ 31.860983][ C0] name failslab, interval 1, probability 1, space 0, times 983 [ 31.863631][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 31.882287][ T92] RIP: 0033:0x7fe7fb793407 [ 31.886749][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 31.906559][ T92] RSP: 002b:00007ffff759b300 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 31.914986][ T92] RAX: ffffffffffffffda RBX: 00007fe7fb643c80 RCX: 00007fe7fb793407 [ 31.922970][ T92] RDX: 0000000000000050 RSI: 00007ffff759b440 RDI: 0000000000000003 [ 31.930954][ T92] RBP: 00007ffff759b870 R08: 0000000000000000 R09: 0000000000000000 [ 31.939049][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffff759b888 [ 31.947120][ T92] R13: 00007ffff759b440 R14: 0000000000000035 R15: 00007ffff759b440 [ 31.955117][ T92] [ 31.958154][ C0] CPU: 0 PID: 6 Comm: kworker/0:0 Not tainted syzkaller #0 [ 31.965434][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 31.975518][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 31.981525][ C0] Call Trace: [ 31.984820][ C0] [ 31.987803][ C0] __dump_stack+0x21/0x24 [ 31.992168][ C0] dump_stack_lvl+0x110/0x170 [ 31.996949][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 32.001996][ C0] ? stack_trace_save+0xa6/0xf0 [ 32.006871][ C0] dump_stack+0x15/0x24 [ 32.011048][ C0] should_fail_ex+0x3bf/0x510 [ 32.015743][ C0] ? dst_alloc+0x16a/0x1e0 [ 32.020206][ C0] __should_failslab+0xac/0xf0 [ 32.024989][ C0] should_failslab+0x9/0x20 [ 32.029510][ C0] kmem_cache_alloc+0x3b/0x320 [ 32.034295][ C0] ? handle_softirqs+0x1d7/0x600 [ 32.039248][ C0] ? __irq_exit_rcu+0x52/0xf0 [ 32.043961][ C0] ? __cfi_ip6_dst_gc+0x10/0x10 [ 32.048828][ C0] dst_alloc+0x16a/0x1e0 [ 32.053089][ C0] icmp6_dst_alloc+0xf8/0x510 [ 32.057790][ C0] ndisc_send_skb+0x2ad/0xcd0 [ 32.062478][ C0] ? __cfi_ndisc_send_skb+0x10/0x10 [ 32.067694][ C0] ? skb_put+0x10a/0x1f0 [ 32.071955][ C0] ndisc_send_rs+0x66a/0x870 [ 32.076558][ C0] addrconf_rs_timer+0x35a/0x600 [ 32.081517][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 32.086994][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 32.092059][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 32.097626][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 32.103098][ C0] call_timer_fn+0x46/0x2a0 [ 32.107618][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 32.113092][ C0] __run_timers+0x646/0x9b0 [ 32.117616][ C0] ? calc_index+0x200/0x200 [ 32.122134][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 32.127352][ C0] run_timer_softirq+0x6a/0xf0 [ 32.132133][ C0] handle_softirqs+0x1d7/0x600 [ 32.136909][ C0] __irq_exit_rcu+0x52/0xf0 [ 32.141426][ C0] irq_exit_rcu+0x9/0x10 [ 32.145678][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 32.151336][ C0] [ 32.154281][ C0] [ 32.157231][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 32.163233][ C0] RIP: 0010:__printk_cpu_sync_wait+0xb/0x40 [ 32.169146][ C0] Code: 1d 5f 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 90 90 90 90 90 90 90 90 90 90 90 b8 0c 67 40 a5 55 48 89 e5 e8 17 92 19 00 f3 90 <48> c7 c7 c0 b9 11 87 be 04 00 00 00 e8 24 1f 5f 00 8b 05 7e e5 b9 [ 32.188767][ C0] RSP: 0018:ffffc900000671d0 EFLAGS: 00000293 [ 32.194847][ C0] RAX: ffffffff8157d44c RBX: ffffffff860afda0 RCX: ffff88810028e540 [ 32.203007][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8711b9c0 [ 32.211082][ C0] RBP: ffffc900000671d0 R08: 0000000000000003 R09: 0000000000000004 [ 32.219061][ C0] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 32.227391][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff9200000ce3c [ 32.235384][ C0] ? __printk_cpu_sync_wait+0x2c/0x40 [ 32.240881][ C0] dump_stack_lvl+0xce/0x170 [ 32.245488][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 32.250726][ C0] ? kasan_set_track+0x60/0x70 [ 32.255504][ C0] ? kasan_set_track+0x4b/0x70 [ 32.260458][ C0] dump_stack+0x15/0x24 [ 32.264630][ C0] should_fail_ex+0x3bf/0x510 [ 32.269329][ C0] __should_failslab+0xac/0xf0 [ 32.274193][ C0] should_failslab+0x9/0x20 [ 32.278726][ C0] __kmem_cache_alloc_node+0x3d/0x2d0 [ 32.284117][ C0] ? ref_tracker_alloc+0x16b/0x4a0 [ 32.289247][ C0] ? ref_tracker_alloc+0x16b/0x4a0 [ 32.294371][ C0] kmalloc_trace+0x29/0xb0 [ 32.298998][ C0] ref_tracker_alloc+0x16b/0x4a0 [ 32.303953][ C0] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 32.309436][ C0] ? __kasan_kmalloc+0x95/0xb0 [ 32.314219][ C0] ___neigh_create+0xb86/0x1db0 [ 32.319177][ C0] ? __local_bh_enable_ip+0x58/0x80 [ 32.324393][ C0] ? ip6t_do_table+0x13a7/0x1560 [ 32.329365][ C0] __neigh_create+0x31/0x40 [ 32.333885][ C0] ip6_finish_output2+0xaaf/0x18b0 [ 32.339016][ C0] ? ip6t_do_table+0x1c7/0x1560 [ 32.343894][ C0] ? __cfi_ip6_finish_output2+0x10/0x10 [ 32.349458][ C0] ? ip6table_mangle_hook+0x262/0x7b0 [ 32.354844][ C0] ip6_finish_output+0x60b/0xbe0 [ 32.359799][ C0] ip6_output+0x1fa/0x410 [ 32.364144][ C0] ? __cfi_ip6_output+0x10/0x10 [ 32.369029][ C0] ? __cfi_ip6_finish_output+0x10/0x10 [ 32.374505][ C0] ? __cfi_ip6t_do_table+0x10/0x10 [ 32.379642][ C0] ndisc_send_skb+0x7c8/0xcd0 [ 32.384339][ C0] ? __cfi_ndisc_send_skb+0x10/0x10 [ 32.389586][ C0] ? __cfi_dst_output+0x10/0x10 [ 32.394452][ C0] ? ndisc_ns_create+0x60d/0x920 [ 32.399400][ C0] ndisc_send_ns+0xd4/0x160 [ 32.403946][ C0] ? __cfi_ndisc_send_ns+0x10/0x10 [ 32.409071][ C0] ? mod_delayed_work_on+0xa8/0xe0 [ 32.414211][ C0] addrconf_dad_work+0x9d6/0x14a0 [ 32.419255][ C0] ? __kasan_check_write+0x14/0x20 [ 32.424383][ C0] ? __cfi_addrconf_dad_work+0x10/0x10 [ 32.430119][ C0] ? __kasan_check_write+0x14/0x20 [ 32.435243][ C0] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 32.441147][ C0] process_one_work+0x717/0xc30 [ 32.446011][ C0] worker_thread+0xa4d/0x11d0 [ 32.450787][ C0] kthread+0x281/0x320 [ 32.454870][ C0] ? __cfi_worker_thread+0x10/0x10 [ 32.460006][ C0] ? __cfi_kthread+0x10/0x10 [ 32.464611][ C0] ret_from_fork+0x1f/0x30 [ 32.469054][ C0] [ 32.473046][ T6] CPU: 0 PID: 6 Comm: kworker/0:0 Not tainted syzkaller #0 [ 32.480298][ T6] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.490654][ T6] Workqueue: ipv6_addrconf addrconf_dad_work [ 32.491286][ T92] FAULT_INJECTION: forcing a failure. [ 32.491286][ T92] name failslab, interval 1, probability 1, space 0, times 981 [ 32.496697][ T6] Call Trace: [ 32.496712][ T6] [ 32.515778][ T6] __dump_stack+0x21/0x24 [ 32.520240][ T6] dump_stack_lvl+0x110/0x170 [ 32.524946][ T6] ? __cfi_dump_stack_lvl+0x8/0x8 [ 32.530272][ T6] ? kasan_set_track+0x60/0x70 [ 32.535111][ T6] ? kasan_set_track+0x4b/0x70 [ 32.539909][ T6] dump_stack+0x15/0x24 [ 32.544119][ T6] should_fail_ex+0x3bf/0x510 [ 32.548821][ T6] __should_failslab+0xac/0xf0 [ 32.553697][ T6] should_failslab+0x9/0x20 [ 32.558231][ T6] __kmem_cache_alloc_node+0x3d/0x2d0 [ 32.563634][ T6] ? ref_tracker_alloc+0x16b/0x4a0 [ 32.568788][ T6] ? ref_tracker_alloc+0x16b/0x4a0 [ 32.573929][ T6] kmalloc_trace+0x29/0xb0 [ 32.578368][ T6] ref_tracker_alloc+0x16b/0x4a0 [ 32.583343][ T6] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 32.588835][ T6] ? __kasan_kmalloc+0x95/0xb0 [ 32.593646][ T6] ___neigh_create+0xb86/0x1db0 [ 32.598792][ T6] ? __local_bh_enable_ip+0x58/0x80 [ 32.604024][ T6] ? ip6t_do_table+0x13a7/0x1560 [ 32.609022][ T6] __neigh_create+0x31/0x40 [ 32.613567][ T6] ip6_finish_output2+0xaaf/0x18b0 [ 32.618712][ T6] ? ip6t_do_table+0x1c7/0x1560 [ 32.623702][ T6] ? __cfi_ip6_finish_output2+0x10/0x10 [ 32.629299][ T6] ? ip6table_mangle_hook+0x262/0x7b0 [ 32.634698][ T6] ip6_finish_output+0x60b/0xbe0 [ 32.639664][ T6] ip6_output+0x1fa/0x410 [ 32.644017][ T6] ? __cfi_ip6_output+0x10/0x10 [ 32.648900][ T6] ? __cfi_ip6_finish_output+0x10/0x10 [ 32.654396][ T6] ? __cfi_ip6t_do_table+0x10/0x10 [ 32.659558][ T6] ndisc_send_skb+0x7c8/0xcd0 [ 32.664280][ T6] ? __cfi_ndisc_send_skb+0x10/0x10 [ 32.669507][ T6] ? __cfi_dst_output+0x10/0x10 [ 32.674398][ T6] ? ndisc_ns_create+0x60d/0x920 [ 32.679381][ T6] ndisc_send_ns+0xd4/0x160 [ 32.684040][ T6] ? __cfi_ndisc_send_ns+0x10/0x10 [ 32.689197][ T6] ? mod_delayed_work_on+0xa8/0xe0 [ 32.694351][ T6] addrconf_dad_work+0x9d6/0x14a0 [ 32.699400][ T6] ? __kasan_check_write+0x14/0x20 [ 32.704570][ T6] ? __cfi_addrconf_dad_work+0x10/0x10 [ 32.710224][ T6] ? __kasan_check_write+0x14/0x20 [ 32.715523][ T6] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 32.721460][ T6] process_one_work+0x717/0xc30 [ 32.726372][ T6] worker_thread+0xa4d/0x11d0 [ 32.731130][ T6] kthread+0x281/0x320 [ 32.735232][ T6] ? __cfi_worker_thread+0x10/0x10 [ 32.740373][ T6] ? __cfi_kthread+0x10/0x10 [ 32.745002][ T6] ret_from_fork+0x1f/0x30 [ 32.749450][ T6] [ 32.752590][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 32.753825][ T6] memory allocation failure, unreliable refcount tracker. [ 32.759564][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 32.776949][ T92] Call Trace: [ 32.780257][ T92] [ 32.783203][ T92] __dump_stack+0x21/0x24 [ 32.787561][ T92] dump_stack_lvl+0x110/0x170 [ 32.792278][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 32.797414][ T92] dump_stack+0x15/0x24 [ 32.801597][ T92] should_fail_ex+0x3bf/0x510 [ 32.806378][ T92] __should_failslab+0xac/0xf0 [ 32.811247][ T92] should_failslab+0x9/0x20 [ 32.815786][ T92] kmem_cache_alloc_node+0x42/0x330 [ 32.821006][ T92] ? __alloc_skb+0xe8/0x4a0 [ 32.825523][ T92] ? kasan_set_track+0x60/0x70 [ 32.830332][ T92] __alloc_skb+0xe8/0x4a0 [ 32.834704][ T92] ? do_syscall_64+0x4c/0xa0 [ 32.839624][ T92] alloc_skb_with_frags+0xa8/0x620 [ 32.844949][ T92] ? memcpy+0x56/0x70 [ 32.848957][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 32.854179][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 32.859927][ T92] ? __kasan_check_write+0x14/0x20 [ 32.865056][ T92] ? _raw_spin_lock+0x94/0xf0 [ 32.869761][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 32.874996][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 32.880147][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 32.885723][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 32.891643][ T92] ? kfree+0x6f/0xf0 [ 32.895553][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 32.901123][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 32.906605][ T92] __sys_sendto+0x4ac/0x660 [ 32.911226][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 32.916486][ T92] ? __cfi_do_syslog+0x10/0x10 [ 32.921284][ T92] ? __sys_connect+0x267/0x460 [ 32.926080][ T92] __x64_sys_sendto+0xe5/0x100 [ 32.930875][ T92] x64_sys_call+0x83/0x9a0 [ 32.935495][ T92] do_syscall_64+0x4c/0xa0 [ 32.939931][ T92] ? clear_bhb_loop+0x30/0x80 [ 32.944634][ T92] ? clear_bhb_loop+0x30/0x80 [ 32.949380][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 32.955310][ T92] RIP: 0033:0x7fe7fb793407 [ 32.959760][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 32.979407][ T92] RSP: 002b:00007ffff759b300 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 32.987872][ T92] RAX: ffffffffffffffda RBX: 00007fe7fb643c80 RCX: 00007fe7fb793407 [ 32.995889][ T92] RDX: 000000000000004e RSI: 00007ffff759b440 RDI: 0000000000000003 [ 33.003891][ T92] RBP: 00007ffff759b870 R08: 0000000000000000 R09: 0000000000000000 [ 33.011880][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffff759b888 [ 33.019878][ T92] R13: 00007ffff759b440 R14: 0000000000000033 R15: 00007ffff759b440 [ 33.027871][ T92] [ 33.031607][ T8] device bridge_slave_1 left promiscuous mode [ 33.037809][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 33.046390][ T92] FAULT_INJECTION: forcing a failure. [ 33.046390][ T92] name failslab, interval 1, probability 1, space 0, times 979 [ 33.053693][ T301] FAULT_INJECTION: forcing a failure. [ 33.053693][ T301] name failslab, interval 1, probability 1, space 0, times 979 [ 33.059405][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 33.078737][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 33.088920][ T92] Call Trace: [ 33.092226][ T92] [ 33.095175][ T92] __dump_stack+0x21/0x24 2026/07/28 16:45:37 executed programs: 4 [ 33.099804][ T92] dump_stack_lvl+0x110/0x170 [ 33.104519][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 33.109582][ T92] ? __schedule+0xbea/0x14b0 [ 33.114198][ T92] dump_stack+0x15/0x24 [ 33.118382][ T92] should_fail_ex+0x3bf/0x510 [ 33.123073][ T92] __should_failslab+0xac/0xf0 [ 33.127854][ T92] should_failslab+0x9/0x20 [ 33.132372][ T92] kmem_cache_alloc_node+0x42/0x330 [ 33.137597][ T92] ? __alloc_skb+0xe8/0x4a0 [ 33.142142][ T92] ? __kasan_check_write+0x14/0x20 [ 33.147270][ T92] __alloc_skb+0xe8/0x4a0 [ 33.151630][ T92] alloc_skb_with_frags+0xa8/0x620 [ 33.156775][ T92] ? memcpy+0x56/0x70 [ 33.160823][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 33.166172][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 33.172022][ T92] ? __kasan_check_write+0x14/0x20 [ 33.177150][ T92] ? _raw_spin_lock+0x94/0xf0 [ 33.181860][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 33.187077][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 33.192210][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 33.197774][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 33.203689][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 33.209270][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 33.214750][ T92] __sys_sendto+0x4ac/0x660 [ 33.219272][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 33.224315][ T92] ? __cfi_do_syslog+0x10/0x10 [ 33.229116][ T92] ? __sys_connect+0x267/0x460 [ 33.233898][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 33.239464][ T92] ? xfd_validate_state+0x70/0x150 [ 33.244607][ T92] ? __kasan_check_write+0x14/0x20 [ 33.249737][ T92] __x64_sys_sendto+0xe5/0x100 [ 33.254869][ T92] x64_sys_call+0x83/0x9a0 [ 33.259318][ T92] do_syscall_64+0x4c/0xa0 [ 33.263772][ T92] ? clear_bhb_loop+0x30/0x80 [ 33.268470][ T92] ? clear_bhb_loop+0x30/0x80 [ 33.273174][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 33.279093][ T92] RIP: 0033:0x7fe7fb793407 [ 33.283525][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 33.303183][ T92] RSP: 002b:00007ffff759b300 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 33.311617][ T92] RAX: ffffffffffffffda RBX: 00007fe7fb643c80 RCX: 00007fe7fb793407 [ 33.319636][ T92] RDX: 000000000000004c RSI: 00007ffff759b440 RDI: 0000000000000003 [ 33.327671][ T92] RBP: 00007ffff759b870 R08: 0000000000000000 R09: 0000000000000000 [ 33.335874][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffff759b888 [ 33.343965][ T92] R13: 00007ffff759b440 R14: 0000000000000031 R15: 00007ffff759b440 [ 33.352070][ T92] [ 33.355210][ T301] CPU: 0 PID: 301 Comm: syz-executor Not tainted syzkaller #0 [ 33.362796][ T301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 33.367799][ T92] FAULT_INJECTION: forcing a failure. [ 33.367799][ T92] name failslab, interval 1, probability 1, space 0, times 977 [ 33.372901][ T301] Call Trace: [ 33.372909][ T301] [ 33.372916][ T301] __dump_stack+0x21/0x24 [ 33.396277][ T301] dump_stack_lvl+0x110/0x170 [ 33.400984][ T301] ? __cfi_dump_stack_lvl+0x8/0x8 [ 33.406042][ T301] dump_stack+0x15/0x24 [ 33.410239][ T301] should_fail_ex+0x3bf/0x510 [ 33.414937][ T301] ? vm_area_alloc+0xe9/0x1a0 [ 33.419632][ T301] __should_failslab+0xac/0xf0 [ 33.424417][ T301] should_failslab+0x9/0x20 [ 33.428968][ T301] kmem_cache_alloc+0x3b/0x320 [ 33.433757][ T301] vm_area_alloc+0xe9/0x1a0 [ 33.438288][ T301] mmap_region+0xfab/0x2130 [ 33.442866][ T301] ? __cfi_mmap_region+0x10/0x10 [ 33.447848][ T301] ? cap_mmap_addr+0x165/0x2e0 [ 33.452672][ T301] ? __kasan_slab_alloc+0x72/0x80 [ 33.457730][ T301] ? get_unmapped_area+0x30c/0x370 [ 33.462950][ T301] do_mmap+0x858/0xdd0 [ 33.467063][ T301] ? replace_fd+0x180/0x180 [ 33.471587][ T301] ? __cfi_do_mmap+0x10/0x10 [ 33.476220][ T301] ? do_prlimit+0x278/0x3b0 [ 33.480744][ T301] ? memcpy+0x56/0x70 [ 33.484744][ T301] vm_mmap_pgoff+0x206/0x3f0 [ 33.489365][ T301] ? __kasan_check_write+0x14/0x20 [ 33.494522][ T301] ? __cfi_vm_mmap_pgoff+0x10/0x10 [ 33.499652][ T301] ? __x64_sys_prlimit64+0xb0/0xb0 [ 33.504784][ T301] ? do_pipe2+0x106/0x190 [ 33.509222][ T301] ? pipe_fcntl+0x510/0x510 [ 33.513749][ T301] ksys_mmap_pgoff+0xf6/0x1d0 [ 33.518447][ T301] __x64_sys_mmap+0xfa/0x110 [ 33.523068][ T301] x64_sys_call+0x8fd/0x9a0 [ 33.527592][ T301] do_syscall_64+0x4c/0xa0 [ 33.532055][ T301] ? clear_bhb_loop+0x30/0x80 [ 33.536840][ T301] ? clear_bhb_loop+0x30/0x80 [ 33.541530][ T301] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 33.547444][ T301] RIP: 0033:0x7f4d2619dc02 [ 33.552045][ T301] Code: 4f 01 00 0f 1f 44 00 00 41 f7 c1 ff 0f 00 00 75 27 55 89 cd 53 48 89 fb 48 85 ff 74 3b 41 89 ea 48 89 df b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 6e 5b 5d c3 0f 1f 00 48 c7 c0 e8 ff ff ff 64 [ 33.571684][ T301] RSP: 002b:00007fff6454e5f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 33.580139][ T301] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4d2619dc02 [ 33.588149][ T301] RDX: 0000000000000003 RSI: 0000000000009000 RDI: 0000000000000000 [ 33.596237][ T301] RBP: 0000000000020022 R08: 00000000ffffffff R09: 0000000000000000 [ 33.604233][ T301] R10: 0000000000020022 R11: 0000000000000246 R12: 0000000000000003 [ 33.612350][ T301] R13: 0000000000000000 R14: 00007fff6454e950 R15: 00007fff6454eb20 [ 33.620373][ T301] [ 33.623473][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 33.630272][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 33.640477][ T92] Call Trace: [ 33.643888][ T92] [ 33.646851][ T92] __dump_stack+0x21/0x24 [ 33.651208][ T92] dump_stack_lvl+0x110/0x170 [ 33.655901][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 33.660958][ T92] ? __schedule+0xbea/0x14b0 [ 33.665740][ T92] dump_stack+0x15/0x24 [ 33.669914][ T92] should_fail_ex+0x3bf/0x510 [ 33.674606][ T92] __should_failslab+0xac/0xf0 [ 33.679388][ T92] should_failslab+0x9/0x20 [ 33.683903][ T92] kmem_cache_alloc_node+0x42/0x330 [ 33.689128][ T92] ? __alloc_skb+0xe8/0x4a0 [ 33.693646][ T92] ? __kasan_check_write+0x14/0x20 [ 33.698940][ T92] __alloc_skb+0xe8/0x4a0 [ 33.703288][ T92] alloc_skb_with_frags+0xa8/0x620 [ 33.708417][ T92] ? memcpy+0x56/0x70 [ 33.712499][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 33.717818][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 33.723667][ T92] ? __kasan_check_write+0x14/0x20 [ 33.728897][ T92] ? _raw_spin_lock+0x94/0xf0 [ 33.733681][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 33.738894][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 33.744119][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 33.749703][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 33.755610][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 33.761272][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 33.766745][ T92] __sys_sendto+0x4ac/0x660 [ 33.771266][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 33.776321][ T92] ? __cfi_do_syslog+0x10/0x10 [ 33.781208][ T92] ? __sys_connect+0x267/0x460 [ 33.786043][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 33.791714][ T92] ? xfd_validate_state+0x70/0x150 [ 33.796859][ T92] ? __kasan_check_write+0x14/0x20 [ 33.801998][ T92] __x64_sys_sendto+0xe5/0x100 [ 33.806789][ T92] x64_sys_call+0x83/0x9a0 [ 33.811236][ T92] do_syscall_64+0x4c/0xa0 [ 33.815665][ T92] ? clear_bhb_loop+0x30/0x80 [ 33.820468][ T92] ? clear_bhb_loop+0x30/0x80 [ 33.825156][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 33.831075][ T92] RIP: 0033:0x7fe7fb793407 [ 33.835537][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 33.855161][ T92] RSP: 002b:00007ffff759b300 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 33.863607][ T92] RAX: ffffffffffffffda RBX: 00007fe7fb643c80 RCX: 00007fe7fb793407 [ 33.871597][ T92] RDX: 0000000000000073 RSI: 00007ffff759b440 RDI: 0000000000000003 [ 33.879582][ T92] RBP: 00007ffff759b870 R08: 0000000000000000 R09: 0000000000000000 [ 33.887651][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffff759b888 [ 33.895657][ T92] R13: 00007ffff759b440 R14: 0000000000000058 R15: 00007ffff759b440 SYZFAIL: posix_spawnp failed (errno 12: Cannot allocate memory) connection error: failed to recv *flatrpc.ExecutorMessageRawT: read tcp 127.0.0.1:45031->127.0.0.1:33106: read: connection reset by peer [ 33.903827][ T92] [ 33.907538][ T8] device bridge_slave_0 left promiscuous mode [ 33.914457][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 33.924373][ T8] device veth1_macvtap left promiscuous mode [ 33.935159][ T92] FAULT_INJECTION: forcing a failure. [ 33.935159][ T92] name failslab, interval 1, probability 1, space 0, times 972 [ 33.948150][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 33.954979][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 33.965071][ T92] Call Trace: [ 33.968404][ T92] [ 33.971358][ T92] __dump_stack+0x21/0x24 [ 33.975812][ T92] dump_stack_lvl+0x110/0x170 [ 33.980523][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 33.985580][ T92] ? __schedule+0xbea/0x14b0 [ 33.990328][ T92] dump_stack+0x15/0x24 [ 33.994567][ T92] should_fail_ex+0x3bf/0x510 [ 33.999284][ T92] __should_failslab+0xac/0xf0 [ 34.004183][ T92] should_failslab+0x9/0x20 [ 34.008807][ T92] kmem_cache_alloc_node+0x42/0x330 [ 34.014043][ T92] ? __alloc_skb+0xe8/0x4a0 [ 34.018581][ T92] ? __kasan_check_write+0x14/0x20 [ 34.023727][ T92] __alloc_skb+0xe8/0x4a0 [ 34.028098][ T92] alloc_skb_with_frags+0xa8/0x620 [ 34.033244][ T92] ? memcpy+0x56/0x70 [ 34.037254][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 34.042493][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 34.048282][ T92] ? __kasan_check_write+0x14/0x20 [ 34.050674][ T8] device veth0_vlan left promiscuous mode [ 34.053420][ T92] ? _raw_spin_lock+0x94/0xf0 [ 34.063823][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 34.069055][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 34.074371][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 34.079943][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 34.085884][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 34.091478][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 34.096980][ T92] __sys_sendto+0x4ac/0x660 [ 34.101544][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 34.106605][ T92] ? __cfi_do_syslog+0x10/0x10 [ 34.111404][ T92] ? __sys_connect+0x267/0x460 [ 34.116200][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 34.121770][ T92] ? xfd_validate_state+0x70/0x150 [ 34.126920][ T92] ? __kasan_check_write+0x14/0x20 [ 34.132057][ T92] __x64_sys_sendto+0xe5/0x100 [ 34.136849][ T92] x64_sys_call+0x83/0x9a0 [ 34.141300][ T92] do_syscall_64+0x4c/0xa0 [ 34.145743][ T92] ? clear_bhb_loop+0x30/0x80 [ 34.150532][ T92] ? clear_bhb_loop+0x30/0x80 [ 34.155229][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 34.161153][ T92] RIP: 0033:0x7fe7fb793407 [ 34.165598][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 34.185244][ T92] RSP: 002b:00007ffff759b300 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 34.193748][ T92] RAX: ffffffffffffffda RBX: 00007fe7fb643c80 RCX: 00007fe7fb793407 [ 34.202029][ T92] RDX: 000000000000005a RSI: 00007ffff759b440 RDI: 0000000000000003 [ 34.210026][ T92] RBP: 00007ffff759b870 R08: 0000000000000000 R09: 0000000000000000 [ 34.218119][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffff759b888 [ 34.226121][ T92] R13: 00007ffff759b440 R14: 000000000000003f R15: 00007ffff759b440 [ 34.234141][ T92] [ 34.237638][ T8] FAULT_INJECTION: forcing a failure. [ 34.237638][ T8] name failslab, interval 1, probability 1, space 0, times 971 [ 34.250467][ T8] CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 34.257861][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 34.267965][ T8] Workqueue: netns cleanup_net [ 34.272789][ T8] Call Trace: [ 34.276102][ T8] [ 34.279068][ T8] __dump_stack+0x21/0x24 [ 34.283443][ T8] dump_stack_lvl+0x110/0x170 [ 34.288157][ T8] ? __cfi_dump_stack_lvl+0x8/0x8 [ 34.293218][ T8] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 34.299060][ T8] ? finish_wait+0x185/0x1c0 [ 34.303687][ T8] dump_stack+0x15/0x24 [ 34.307890][ T8] should_fail_ex+0x3bf/0x510 [ 34.312863][ T8] __should_failslab+0xac/0xf0 [ 34.317673][ T8] should_failslab+0x9/0x20 [ 34.322294][ T8] __kmem_cache_alloc_node+0x3d/0x2d0 [ 34.327715][ T8] ? ref_tracker_alloc+0x16b/0x4a0 [ 34.332873][ T8] ? ref_tracker_alloc+0x16b/0x4a0 [ 34.338190][ T8] kmalloc_trace+0x29/0xb0 [ 34.342659][ T8] ref_tracker_alloc+0x16b/0x4a0 [ 34.347721][ T8] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 34.353234][ T8] ? __kasan_check_read+0x11/0x20 [ 34.358292][ T8] ? linkwatch_urgent_event+0x65/0x400 [ 34.363849][ T8] linkwatch_fire_event+0x1dc/0x240 [ 34.369079][ T8] netif_carrier_off+0x9c/0xc0 [ 34.373869][ T8] veth_close+0x4c/0x260 [ 34.378137][ T8] ? __cfi_veth_close+0x10/0x10 [ 34.383014][ T8] __dev_close_many+0x293/0x360 [ 34.387891][ T8] ? dev_close_many+0x4d0/0x4d0 [ 34.392775][ T8] ? debug_smp_processor_id+0x17/0x20 [ 34.398180][ T8] ? kasan_quarantine_put+0x34/0x190 [ 34.403520][ T8] dev_close_many+0x21a/0x4d0 [ 34.408402][ T8] ? __cfi_dev_close_many+0x10/0x10 [ 34.413738][ T8] ? slab_free_freelist_hook+0xc2/0x190 [ 34.419399][ T8] ? __kasan_check_read+0x11/0x20 [ 34.424448][ T8] unregister_netdevice_many+0x43f/0x1910 [ 34.430208][ T8] ? __cfi_unregister_netdevice_many+0x10/0x10 [ 34.436848][ T8] ? unregister_netdevice_queue+0x17c/0x320 [ 34.442807][ T8] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 34.449100][ T8] ? br_dev_delete+0xfc/0x110 [ 34.453824][ T8] default_device_exit_batch+0x951/0x9f0 [ 34.459693][ T8] ? idr_destroy+0x21e/0x290 [ 34.464345][ T8] ? __cfi_netdev_run_todo+0x10/0x10 [ 34.469663][ T8] ? mutex_lock+0x10a/0x1b0 [ 34.474200][ T8] ? __cfi_mutex_lock+0x10/0x10 [ 34.479118][ T8] ? __cfi_default_device_exit_batch+0x10/0x10 [ 34.485300][ T8] ? __cfi_xfrmi_exit_batch_net+0x10/0x10 [ 34.491066][ T8] ? rtnl_unlock+0xe/0x10 [ 34.495523][ T8] ? __cfi_default_device_exit_batch+0x10/0x10 [ 34.501692][ T8] cleanup_net+0x630/0xb10 [ 34.506231][ T8] ? __kasan_check_write+0x14/0x20 [ 34.511468][ T8] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 34.517552][ T8] ? __cfi_cleanup_net+0x10/0x10 [ 34.522511][ T8] process_one_work+0x717/0xc30 [ 34.527466][ T8] worker_thread+0xa4d/0x11d0 [ 34.532344][ T8] kthread+0x281/0x320 [ 34.536427][ T8] ? __cfi_worker_thread+0x10/0x10 [ 34.541725][ T8] ? __cfi_kthread+0x10/0x10 [ 34.546339][ T8] ret_from_fork+0x1f/0x30 [ 34.550775][ T8] [ 34.554619][ T92] FAULT_INJECTION: forcing a failure. [ 34.554619][ T92] name failslab, interval 1, probability 1, space 0, times 970 [ 34.568951][ T294] FAULT_INJECTION: forcing a failure. [ 34.568951][ T294] name failslab, interval 1, probability 1, space 0, times 970 [ 34.583440][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 34.590257][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 34.600451][ T92] Call Trace: [ 34.603761][ T92] [ 34.606722][ T92] __dump_stack+0x21/0x24 [ 34.611098][ T92] dump_stack_lvl+0x110/0x170 [ 34.615809][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 34.620872][ T92] dump_stack+0x15/0x24 [ 34.625056][ T92] should_fail_ex+0x3bf/0x510 [ 34.629761][ T92] __should_failslab+0xac/0xf0 [ 34.634554][ T92] should_failslab+0x9/0x20 [ 34.639200][ T92] kmem_cache_alloc_node+0x42/0x330 [ 34.644428][ T92] ? __alloc_skb+0xe8/0x4a0 [ 34.648952][ T92] ? kasan_set_track+0x60/0x70 [ 34.653747][ T92] __alloc_skb+0xe8/0x4a0 [ 34.658178][ T92] ? do_syscall_64+0x4c/0xa0 [ 34.662791][ T92] alloc_skb_with_frags+0xa8/0x620 [ 34.667927][ T92] ? memcpy+0x56/0x70 [ 34.671981][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 34.677240][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 34.683174][ T92] ? __kasan_check_write+0x14/0x20 [ 34.688491][ T92] ? _raw_spin_lock+0x94/0xf0 [ 34.693196][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 34.698424][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 34.703575][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 34.709155][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 34.715155][ T92] ? kfree+0x6f/0xf0 [ 34.719165][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 34.724831][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 34.730401][ T92] __sys_sendto+0x4ac/0x660 [ 34.735098][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 34.740165][ T92] ? __cfi_do_syslog+0x10/0x10 [ 34.744973][ T92] ? __sys_connect+0x267/0x460 [ 34.749801][ T92] __x64_sys_sendto+0xe5/0x100 [ 34.754708][ T92] x64_sys_call+0x83/0x9a0 [ 34.759254][ T92] do_syscall_64+0x4c/0xa0 [ 34.763697][ T92] ? clear_bhb_loop+0x30/0x80 [ 34.768402][ T92] ? clear_bhb_loop+0x30/0x80 [ 34.773136][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 34.779165][ T92] RIP: 0033:0x7fe7fb793407 [ 34.783624][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 34.803255][ T92] RSP: 002b:00007ffff759b300 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 34.811704][ T92] RAX: ffffffffffffffda RBX: 00007fe7fb643c80 RCX: 00007fe7fb793407 [ 34.819713][ T92] RDX: 000000000000005b RSI: 00007ffff759b440 RDI: 0000000000000003 [ 34.830147][ T92] RBP: 00007ffff759b870 R08: 0000000000000000 R09: 0000000000000000 [ 34.838246][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffff759b888 [ 34.846252][ T92] R13: 00007ffff759b440 R14: 0000000000000040 R15: 00007ffff759b440 [ 34.854471][ T92] [ 34.857524][ T294] CPU: 0 PID: 294 Comm: sshd-session Not tainted syzkaller #0 [ 34.865017][ T294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 34.875112][ T294] Call Trace: [ 34.878418][ T294] [ 34.881463][ T294] __dump_stack+0x21/0x24 [ 34.885843][ T294] dump_stack_lvl+0x110/0x170 [ 34.890555][ T294] ? __cfi_dump_stack_lvl+0x8/0x8 [ 34.892935][ T92] FAULT_INJECTION: forcing a failure. [ 34.892935][ T92] name failslab, interval 1, probability 1, space 0, times 966 [ 34.895612][ T294] dump_stack+0x15/0x24 [ 34.912623][ T294] should_fail_ex+0x3bf/0x510 [ 34.917334][ T294] __should_failslab+0xac/0xf0 [ 34.922137][ T294] should_failslab+0x9/0x20 [ 34.926686][ T294] __kmem_cache_alloc_node+0x3d/0x2d0 [ 34.932083][ T294] ? selinux_sk_alloc_security+0x7e/0x1a0 [ 34.937831][ T294] ? kasan_save_alloc_info+0x1f/0x30 [ 34.943150][ T294] ? __kasan_slab_alloc+0x72/0x80 [ 34.948197][ T294] ? selinux_sk_alloc_security+0x7e/0x1a0 [ 34.954285][ T294] kmalloc_trace+0x29/0xb0 [ 34.958729][ T294] selinux_sk_alloc_security+0x7e/0x1a0 [ 34.964303][ T294] security_sk_alloc+0x83/0xb0 [ 34.969109][ T294] sk_prot_alloc+0x108/0x320 [ 34.973725][ T294] sk_alloc+0x3b/0x460 [ 34.977850][ T294] unix_create1+0xb8/0x710 [ 34.982297][ T294] unix_create+0x149/0x200 [ 34.986736][ T294] __sock_create+0x39e/0x7c0 [ 34.991358][ T294] __sys_socket+0xcd/0x1a0 [ 34.995795][ T294] __x64_sys_socket+0x7a/0x90 [ 35.000496][ T294] x64_sys_call+0x449/0x9a0 [ 35.005027][ T294] do_syscall_64+0x4c/0xa0 [ 35.009476][ T294] ? clear_bhb_loop+0x30/0x80 [ 35.014255][ T294] ? clear_bhb_loop+0x30/0x80 [ 35.018953][ T294] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 35.024872][ T294] RIP: 0033:0x7fb6ee722707 [ 35.029305][ T294] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 35.049106][ T294] RSP: 002b:00007ffe5a763728 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 35.057555][ T294] RAX: ffffffffffffffda RBX: 0000000000000026 RCX: 00007fb6ee722707 [ 35.065557][ T294] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 35.073637][ T294] RBP: 00007fb6ee7ae560 R08: 00000000000001f4 R09: 0000000000000001 [ 35.081633][ T294] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 35.089621][ T294] R13: 00007ffe5a763850 R14: 0000000000000049 R15: 00007ffe5a763850 [ 35.097638][ T294] [ 35.100681][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 35.107478][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 35.117823][ T92] Call Trace: [ 35.121126][ T92] [ 35.124068][ T92] __dump_stack+0x21/0x24 [ 35.128436][ T92] dump_stack_lvl+0x110/0x170 [ 35.133136][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 35.138179][ T92] ? __schedule+0xbea/0x14b0 [ 35.142881][ T92] dump_stack+0x15/0x24 [ 35.147051][ T92] should_fail_ex+0x3bf/0x510 [ 35.151744][ T92] __should_failslab+0xac/0xf0 [ 35.156531][ T92] should_failslab+0x9/0x20 [ 35.161053][ T92] kmem_cache_alloc_node+0x42/0x330 [ 35.166279][ T92] ? __alloc_skb+0xe8/0x4a0 [ 35.170797][ T92] ? __kasan_check_write+0x14/0x20 [ 35.175927][ T92] __alloc_skb+0xe8/0x4a0 [ 35.180275][ T92] alloc_skb_with_frags+0xa8/0x620 [ 35.185490][ T92] ? memcpy+0x56/0x70 [ 35.189498][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 35.194719][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 35.200462][ T92] ? __kasan_check_write+0x14/0x20 [ 35.205593][ T92] ? _raw_spin_lock+0x94/0xf0 [ 35.210297][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 35.215524][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 35.220661][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 35.226228][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 35.232157][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 35.237738][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 35.243233][ T92] __sys_sendto+0x4ac/0x660 [ 35.247765][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 35.252809][ T92] ? __cfi_do_syslog+0x10/0x10 [ 35.257590][ T92] ? __sys_connect+0x267/0x460 [ 35.262376][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 35.267938][ T92] ? xfd_validate_state+0x70/0x150 [ 35.273075][ T92] ? __kasan_check_write+0x14/0x20 [ 35.278208][ T92] __x64_sys_sendto+0xe5/0x100 [ 35.283082][ T92] x64_sys_call+0x83/0x9a0 [ 35.287517][ T92] do_syscall_64+0x4c/0xa0 [ 35.292138][ T92] ? clear_bhb_loop+0x30/0x80 [ 35.296846][ T92] ? clear_bhb_loop+0x30/0x80 [ 35.301552][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 35.307470][ T92] RIP: 0033:0x7fe7fb793407 [ 35.311905][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 35.331554][ T92] RSP: 002b:00007ffff759b300 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 35.340008][ T92] RAX: ffffffffffffffda RBX: 00007fe7fb643c80 RCX: 00007fe7fb793407 [ 35.348000][ T92] RDX: 000000000000005c RSI: 00007ffff759b440 RDI: 0000000000000003 [ 35.356077][ T92] RBP: 00007ffff759b870 R08: 0000000000000000 R09: 0000000000000000 [ 35.364587][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffff759b888 [ 35.372589][ T92] R13: 00007ffff759b440 R14: 0000000000000041 R15: 00007ffff759b440 [ 35.380577][ T92] [ 35.385020][ T294] FAULT_INJECTION: forcing a failure. [ 35.385020][ T294] name failslab, interval 1, probability 1, space 0, times 965 [ 35.408263][ T92] FAULT_INJECTION: forcing a failure. [ 35.408263][ T92] name failslab, interval 1, probability 1, space 0, times 961 [ 35.421362][ T294] CPU: 1 PID: 294 Comm: sshd-session Not tainted syzkaller #0 [ 35.428864][ T294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 35.438961][ T294] Call Trace: [ 35.442280][ T294] [ 35.445256][ T294] __dump_stack+0x21/0x24 [ 35.449629][ T294] dump_stack_lvl+0x110/0x170 [ 35.454347][ T294] ? __cfi_dump_stack_lvl+0x8/0x8 [ 35.459409][ T294] ? __stack_depot_save+0x36/0x490 [ 35.464568][ T294] dump_stack+0x15/0x24 [ 35.468773][ T294] should_fail_ex+0x3bf/0x510 [ 35.473487][ T294] __should_failslab+0xac/0xf0 [ 35.477857][ T8] FAULT_INJECTION: forcing a failure. [ 35.477857][ T8] name failslab, interval 1, probability 1, space 0, times 961 [ 35.478780][ T294] should_failslab+0x9/0x20 [ 35.497212][ T294] slab_pre_alloc_hook+0x30/0x1d0 [ 35.502366][ T294] kmem_cache_alloc_lru+0x49/0x280 [ 35.507504][ T294] ? __d_alloc+0x34/0x6d0 [ 35.511864][ T294] __d_alloc+0x34/0x6d0 [ 35.516050][ T294] d_alloc_pseudo+0x1d/0x70 [ 35.520573][ T294] alloc_file_pseudo+0xe0/0x200 [ 35.525474][ T294] ? __cfi_alloc_file_pseudo+0x10/0x10 [ 35.531132][ T294] ? _raw_spin_unlock+0x4c/0x70 [ 35.536001][ T294] ? alloc_fd+0x4c1/0x570 [ 35.540445][ T294] sock_alloc_file+0xba/0x270 [ 35.545151][ T294] __sys_socket+0x138/0x1a0 [ 35.549759][ T294] __x64_sys_socket+0x7a/0x90 [ 35.554452][ T294] x64_sys_call+0x449/0x9a0 [ 35.558975][ T294] do_syscall_64+0x4c/0xa0 [ 35.563430][ T294] ? clear_bhb_loop+0x30/0x80 [ 35.568144][ T294] ? clear_bhb_loop+0x30/0x80 [ 35.572841][ T294] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 35.578768][ T294] RIP: 0033:0x7fb6ee722707 [ 35.583196][ T294] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 35.602909][ T294] RSP: 002b:00007ffe5a7634b8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 35.611362][ T294] RAX: ffffffffffffffda RBX: 0000000000000026 RCX: 00007fb6ee722707 [ 35.619350][ T294] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 35.627337][ T294] RBP: 00007fb6ee7ae560 R08: 00000000000001f4 R09: 0000000000000001 [ 35.635375][ T294] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 35.643398][ T294] R13: 00007ffe5a7635e0 R14: 0000000000000033 R15: 00007ffe5a7635e0 [ 35.651415][ T294] [ 35.654451][ T8] CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 35.661766][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 35.671843][ T8] Workqueue: netns cleanup_net [ 35.676649][ T8] Call Trace: [ 35.679941][ T8] [ 35.682892][ T8] __dump_stack+0x21/0x24 [ 35.687335][ T8] dump_stack_lvl+0x110/0x170 [ 35.692135][ T8] ? __cfi_dump_stack_lvl+0x8/0x8 [ 35.697222][ T8] ? process_one_work+0x717/0xc30 [ 35.702367][ T8] dump_stack+0x15/0x24 [ 35.706581][ T8] should_fail_ex+0x3bf/0x510 [ 35.711581][ T8] __should_failslab+0xac/0xf0 [ 35.716385][ T8] should_failslab+0x9/0x20 [ 35.720922][ T8] kmem_cache_alloc_node+0x42/0x330 [ 35.726164][ T8] ? __alloc_skb+0xe8/0x4a0 [ 35.730693][ T8] __alloc_skb+0xe8/0x4a0 [ 35.735073][ T8] rtmsg_ifa+0xfa/0x1e0 [ 35.739269][ T8] __inet_del_ifa+0x80b/0xd90 [ 35.744006][ T8] ? ip_mc_destroy_dev+0x2a3/0x2e0 [ 35.749170][ T8] inetdev_event+0x6a0/0x10a0 [ 35.754318][ T8] ? __cfi_inetdev_event+0x10/0x10 [ 35.759493][ T8] ? arp_netdev_event+0xd4/0x2b0 [ 35.764485][ T8] raw_notifier_call_chain+0xa1/0x110 [ 35.769883][ T8] unregister_netdevice_many+0x104a/0x1910 [ 35.775729][ T8] ? __cfi_unregister_netdevice_many+0x10/0x10 [ 35.781916][ T8] ? unregister_netdevice_queue+0x17c/0x320 [ 35.787861][ T8] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 35.794149][ T8] ? br_dev_delete+0xfc/0x110 [ 35.798856][ T8] default_device_exit_batch+0x951/0x9f0 [ 35.804543][ T8] ? idr_destroy+0x21e/0x290 [ 35.809159][ T8] ? __cfi_netdev_run_todo+0x10/0x10 [ 35.814511][ T8] ? mutex_lock+0x10a/0x1b0 [ 35.819064][ T8] ? __cfi_mutex_lock+0x10/0x10 [ 35.823989][ T8] ? __cfi_default_device_exit_batch+0x10/0x10 [ 35.830191][ T8] ? __cfi_xfrmi_exit_batch_net+0x10/0x10 [ 35.836050][ T8] ? rtnl_unlock+0xe/0x10 [ 35.840495][ T8] ? __cfi_default_device_exit_batch+0x10/0x10 [ 35.846680][ T8] cleanup_net+0x630/0xb10 [ 35.851136][ T8] ? __kasan_check_write+0x14/0x20 [ 35.856279][ T8] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 35.862284][ T8] ? __cfi_cleanup_net+0x10/0x10 [ 35.867264][ T8] process_one_work+0x717/0xc30 [ 35.872153][ T8] worker_thread+0xa4d/0x11d0 [ 35.877245][ T8] kthread+0x281/0x320 [ 35.881341][ T8] ? __cfi_worker_thread+0x10/0x10 [ 35.886479][ T8] ? __cfi_kthread+0x10/0x10 [ 35.891099][ T8] ret_from_fork+0x1f/0x30 [ 35.895563][ T8] [ 35.898697][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 35.905541][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 35.915618][ T92] Call Trace: [ 35.918922][ T92] [ 35.921881][ T92] __dump_stack+0x21/0x24 [ 35.926334][ T92] dump_stack_lvl+0x110/0x170 [ 35.931036][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 35.936172][ T92] ? __schedule+0xbea/0x14b0 [ 35.940799][ T92] dump_stack+0x15/0x24 [ 35.945017][ T92] should_fail_ex+0x3bf/0x510 [ 35.949810][ T92] __should_failslab+0xac/0xf0 [ 35.954614][ T92] should_failslab+0x9/0x20 [ 35.959137][ T92] kmem_cache_alloc_node+0x42/0x330 [ 35.964361][ T92] ? __alloc_skb+0xe8/0x4a0 [ 35.968879][ T92] ? __kasan_check_write+0x14/0x20 [ 35.974089][ T92] __alloc_skb+0xe8/0x4a0 [ 35.978445][ T92] alloc_skb_with_frags+0xa8/0x620 [ 35.983573][ T92] ? memcpy+0x56/0x70 [ 35.987565][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 35.992785][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 35.998521][ T92] ? __kasan_check_write+0x14/0x20 [ 36.003643][ T92] ? _raw_spin_lock+0x94/0xf0 [ 36.008335][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 36.013555][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 36.018901][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 36.024594][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 36.030540][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 36.036133][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 36.041626][ T92] __sys_sendto+0x4ac/0x660 [ 36.046165][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 36.051239][ T92] ? __cfi_do_syslog+0x10/0x10 [ 36.056026][ T92] ? __sys_connect+0x267/0x460 [ 36.060810][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 36.066374][ T92] ? xfd_validate_state+0x70/0x150 [ 36.071509][ T92] ? __kasan_check_write+0x14/0x20 [ 36.076642][ T92] __x64_sys_sendto+0xe5/0x100 [ 36.081423][ T92] x64_sys_call+0x83/0x9a0 [ 36.085851][ T92] do_syscall_64+0x4c/0xa0 [ 36.090284][ T92] ? clear_bhb_loop+0x30/0x80 [ 36.094975][ T92] ? clear_bhb_loop+0x30/0x80 [ 36.099662][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 36.105574][ T92] RIP: 0033:0x7fe7fb793407 [ 36.110021][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 36.129642][ T92] RSP: 002b:00007ffff759b300 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 36.138070][ T92] RAX: ffffffffffffffda RBX: 00007fe7fb643c80 RCX: 00007fe7fb793407 [ 36.146053][ T92] RDX: 0000000000000073 RSI: 00007ffff759b440 RDI: 0000000000000003 [ 36.154033][ T92] RBP: 00007ffff759b870 R08: 0000000000000000 R09: 0000000000000000 [ 36.162012][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffff759b888 [ 36.170000][ T92] R13: 00007ffff759b440 R14: 0000000000000058 R15: 00007ffff759b440 [ 36.178008][ T92] [ 36.190882][ T92] FAULT_INJECTION: forcing a failure. [ 36.190882][ T92] name failslab, interval 1, probability 1, space 0, times 956 [ 36.203982][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 36.210798][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 36.220857][ T92] Call Trace: [ 36.224184][ T92] [ 36.227645][ T92] __dump_stack+0x21/0x24 [ 36.232081][ T92] dump_stack_lvl+0x110/0x170 [ 36.236780][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 36.242431][ T92] dump_stack+0x15/0x24 [ 36.246604][ T92] should_fail_ex+0x3bf/0x510 [ 36.251300][ T92] __should_failslab+0xac/0xf0 [ 36.256073][ T92] should_failslab+0x9/0x20 [ 36.260595][ T92] kmem_cache_alloc_node+0x42/0x330 [ 36.265841][ T92] ? __alloc_skb+0xe8/0x4a0 [ 36.270376][ T92] __alloc_skb+0xe8/0x4a0 [ 36.274739][ T92] alloc_skb_with_frags+0xa8/0x620 [ 36.279870][ T92] ? memcpy+0x56/0x70 [ 36.283950][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 36.289165][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 36.294890][ T92] ? __kasan_check_write+0x14/0x20 [ 36.300015][ T92] ? _raw_spin_lock+0x94/0xf0 [ 36.304694][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 36.309895][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 36.315038][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 36.320591][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 36.326509][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 36.332359][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 36.337844][ T92] __sys_sendto+0x4ac/0x660 [ 36.342377][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 36.347445][ T92] ? __cfi_do_syslog+0x10/0x10 [ 36.352662][ T92] ? __sys_connect+0x267/0x460 [ 36.357471][ T92] __x64_sys_sendto+0xe5/0x100 [ 36.362249][ T92] x64_sys_call+0x83/0x9a0 [ 36.366686][ T92] do_syscall_64+0x4c/0xa0 [ 36.371122][ T92] ? clear_bhb_loop+0x30/0x80 [ 36.375909][ T92] ? clear_bhb_loop+0x30/0x80 [ 36.380607][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 36.386708][ T92] RIP: 0033:0x7fe7fb793407 [ 36.391128][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 36.410762][ T92] RSP: 002b:00007ffff759b300 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 36.419199][ T92] RAX: ffffffffffffffda RBX: 00007fe7fb643c80 RCX: 00007fe7fb793407 [ 36.427207][ T92] RDX: 0000000000000039 RSI: 00007ffff759b440 RDI: 0000000000000003 [ 36.435453][ T92] RBP: 00007ffff759b870 R08: 0000000000000000 R09: 0000000000000000 [ 36.443529][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffff759b888 [ 36.451503][ T92] R13: 00007ffff759b440 R14: 000000000000001e R15: 00007ffff759b440 [ 36.459575][ T92] [ 36.464070][ T92] FAULT_INJECTION: forcing a failure. [ 36.464070][ T92] name failslab, interval 1, probability 1, space 0, times 954 [ 36.477266][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 36.484180][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 36.494438][ T92] Call Trace: [ 36.497753][ T92] [ 36.500697][ T92] __dump_stack+0x21/0x24 [ 36.505061][ T92] dump_stack_lvl+0x110/0x170 [ 36.509848][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 36.514891][ T92] dump_stack+0x15/0x24 [ 36.519059][ T92] should_fail_ex+0x3bf/0x510 [ 36.523740][ T92] __should_failslab+0xac/0xf0 [ 36.528539][ T92] should_failslab+0x9/0x20 [ 36.533066][ T92] kmem_cache_alloc_node+0x42/0x330 [ 36.538296][ T92] ? __alloc_skb+0xe8/0x4a0 [ 36.542817][ T92] __alloc_skb+0xe8/0x4a0 [ 36.547245][ T92] alloc_skb_with_frags+0xa8/0x620 [ 36.552371][ T92] ? memcpy+0x56/0x70 [ 36.556393][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 36.561609][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 36.567435][ T92] ? __kasan_check_write+0x14/0x20 [ 36.572647][ T92] ? _raw_spin_lock+0x94/0xf0 [ 36.577333][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 36.582542][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 36.587691][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 36.593279][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 36.599223][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 36.604860][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 36.610618][ T92] __sys_sendto+0x4ac/0x660 [ 36.615167][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 36.620213][ T92] ? security_unix_may_send+0x8c/0xb0 [ 36.625618][ T92] ? __sys_connect+0x267/0x460 [ 36.630448][ T92] __x64_sys_sendto+0xe5/0x100 [ 36.635240][ T92] x64_sys_call+0x83/0x9a0 [ 36.639793][ T92] do_syscall_64+0x4c/0xa0 [ 36.644235][ T92] ? clear_bhb_loop+0x30/0x80 [ 36.648936][ T92] ? clear_bhb_loop+0x30/0x80 [ 36.653904][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 36.659914][ T92] RIP: 0033:0x7fe7fb793407 [ 36.664334][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 36.683949][ T92] RSP: 002b:00007ffff759b300 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 36.692391][ T92] RAX: ffffffffffffffda RBX: 00007fe7fb643c80 RCX: 00007fe7fb793407 [ 36.700477][ T92] RDX: 000000000000004b RSI: 00007ffff759b440 RDI: 0000000000000003 [ 36.708575][ T92] RBP: 00007ffff759b870 R08: 0000000000000000 R09: 0000000000000000 [ 36.716687][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffff759b888 [ 36.724696][ T92] R13: 00007ffff759b440 R14: 0000000000000030 R15: 00007ffff759b440 [ 36.732728][ T92] [ 36.739799][ T330] FAULT_INJECTION: forcing a failure. [ 36.739799][ T330] name failslab, interval 1, probability 1, space 0, times 952 [ 36.752699][ T330] CPU: 1 PID: 330 Comm: kworker/1:3 Not tainted syzkaller #0 [ 36.759862][ T92] FAULT_INJECTION: forcing a failure. [ 36.759862][ T92] name failslab, interval 1, probability 1, space 0, times 951 [ 36.760100][ T330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 36.783109][ T330] Workqueue: ipv6_addrconf addrconf_dad_work [ 36.789349][ T330] Call Trace: [ 36.792660][ T330] [ 36.795613][ T330] __dump_stack+0x21/0x24 [ 36.799966][ T330] dump_stack_lvl+0x110/0x170 [ 36.804668][ T330] ? __cfi_dump_stack_lvl+0x8/0x8 [ 36.809803][ T330] dump_stack+0x15/0x24 [ 36.813981][ T330] should_fail_ex+0x3bf/0x510 [ 36.818681][ T330] ? dst_alloc+0x16a/0x1e0 [ 36.823122][ T330] __should_failslab+0xac/0xf0 [ 36.827912][ T330] should_failslab+0x9/0x20 [ 36.832438][ T330] kmem_cache_alloc+0x3b/0x320 [ 36.837228][ T330] ? __cfi_ip6_dst_gc+0x10/0x10 [ 36.842207][ T330] dst_alloc+0x16a/0x1e0 [ 36.846485][ T330] icmp6_dst_alloc+0xf8/0x510 [ 36.851195][ T330] mld_sendpack+0x623/0xda0 [ 36.855748][ T330] ? add_grec+0x13f0/0x13f0 [ 36.860273][ T330] ? memcpy+0x56/0x70 [ 36.864287][ T330] ? add_grec+0x10b/0x13f0 [ 36.868724][ T330] ipv6_mc_dad_complete+0x299/0x620 [ 36.873940][ T330] addrconf_dad_completed+0x737/0xe80 [ 36.879338][ T330] ? addrconf_dad_stop+0x440/0x440 [ 36.884468][ T330] ? mod_delayed_work_on+0xa8/0xe0 [ 36.889615][ T330] addrconf_dad_work+0xc1b/0x14a0 [ 36.894839][ T330] ? __cfi_addrconf_dad_work+0x10/0x10 [ 36.900750][ T330] ? __kasan_check_write+0x14/0x20 [ 36.905881][ T330] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 36.911818][ T330] process_one_work+0x717/0xc30 [ 36.916717][ T330] worker_thread+0xa4d/0x11d0 [ 36.921595][ T330] kthread+0x281/0x320 [ 36.925702][ T330] ? __cfi_worker_thread+0x10/0x10 [ 36.930828][ T330] ? __cfi_kthread+0x10/0x10 [ 36.935435][ T330] ret_from_fork+0x1f/0x30 [ 36.939895][ T330] [ 36.943027][ T92] CPU: 0 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 36.950172][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 36.960246][ T92] Call Trace: [ 36.963561][ T92] [ 36.966494][ T92] __dump_stack+0x21/0x24 [ 36.970940][ T92] dump_stack_lvl+0x110/0x170 [ 36.975624][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 36.980825][ T92] ? __schedule+0xbea/0x14b0 [ 36.985421][ T92] dump_stack+0x15/0x24 [ 36.989586][ T92] should_fail_ex+0x3bf/0x510 [ 36.994382][ T92] __should_failslab+0xac/0xf0 [ 36.999167][ T92] should_failslab+0x9/0x20 [ 37.003692][ T92] kmem_cache_alloc_node+0x42/0x330 [ 37.008903][ T92] ? __alloc_skb+0xe8/0x4a0 [ 37.013421][ T92] ? __kasan_check_write+0x14/0x20 [ 37.018560][ T92] __alloc_skb+0xe8/0x4a0 [ 37.022945][ T92] alloc_skb_with_frags+0xa8/0x620 [ 37.028082][ T92] ? memcpy+0x56/0x70 [ 37.032091][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 37.037313][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 37.043046][ T92] ? __kasan_check_write+0x14/0x20 [ 37.048183][ T92] ? _raw_spin_lock+0x94/0xf0 [ 37.052886][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 37.058106][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 37.063225][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 37.068785][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 37.074681][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 37.080268][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 37.085769][ T92] __sys_sendto+0x4ac/0x660 [ 37.090385][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 37.095446][ T92] ? __cfi_do_syslog+0x10/0x10 [ 37.100231][ T92] ? __sys_connect+0x267/0x460 [ 37.105028][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 37.110677][ T92] ? xfd_validate_state+0x70/0x150 [ 37.115805][ T92] ? __kasan_check_write+0x14/0x20 [ 37.120923][ T92] __x64_sys_sendto+0xe5/0x100 [ 37.125697][ T92] x64_sys_call+0x83/0x9a0 [ 37.130126][ T92] do_syscall_64+0x4c/0xa0 [ 37.134546][ T92] ? clear_bhb_loop+0x30/0x80 [ 37.139240][ T92] ? clear_bhb_loop+0x30/0x80 [ 37.143915][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 37.149837][ T92] RIP: 0033:0x7fe7fb793407 [ 37.154519][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 37.174185][ T92] RSP: 002b:00007ffff759b300 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 37.182665][ T92] RAX: ffffffffffffffda RBX: 00007fe7fb643c80 RCX: 00007fe7fb793407 [ 37.190657][ T92] RDX: 000000000000004c RSI: 00007ffff759b440 RDI: 0000000000000003 [ 37.198808][ T92] RBP: 00007ffff759b870 R08: 0000000000000000 R09: 0000000000000000 [ 37.206783][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffff759b888 [ 37.214766][ T92] R13: 00007ffff759b440 R14: 0000000000000031 R15: 00007ffff759b440 [ 37.222747][ T92] [ 37.226160][ T92] FAULT_INJECTION: forcing a failure. [ 37.226160][ T92] name failslab, interval 1, probability 1, space 0, times 949 [ 37.231361][ T19] FAULT_INJECTION: forcing a failure. [ 37.231361][ T19] name failslab, interval 1, probability 1, space 0, times 949 [ 37.250434][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 37.258596][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 37.268672][ T92] Call Trace: [ 37.271967][ T92] [ 37.274910][ T92] __dump_stack+0x21/0x24 [ 37.279269][ T92] dump_stack_lvl+0x110/0x170 [ 37.283970][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 37.289015][ T92] ? is_bpf_text_address+0x177/0x190 [ 37.294493][ T92] ? kernel_text_address+0xa0/0xd0 [ 37.299627][ T92] dump_stack+0x15/0x24 [ 37.304663][ T92] should_fail_ex+0x3bf/0x510 [ 37.309358][ T92] __should_failslab+0xac/0xf0 [ 37.314145][ T92] should_failslab+0x9/0x20 [ 37.318666][ T92] kmem_cache_alloc_node+0x42/0x330 [ 37.324068][ T92] ? __alloc_skb+0xe8/0x4a0 [ 37.328586][ T92] __alloc_skb+0xe8/0x4a0 [ 37.332928][ T92] alloc_skb_with_frags+0xa8/0x620 [ 37.338059][ T92] ? memcpy+0x56/0x70 [ 37.342108][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 37.347453][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 37.353190][ T92] ? __kasan_check_write+0x14/0x20 [ 37.358318][ T92] ? _raw_spin_lock+0x94/0xf0 [ 37.363016][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 37.368320][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 37.373455][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 37.379019][ T92] ? __cfi_lockref_put_or_lock+0x10/0x10 [ 37.384672][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 37.390579][ T92] ? selinux_socket_unix_may_send+0x1e6/0x2c0 [ 37.396676][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 37.402427][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 37.407961][ T92] __sys_sendto+0x4ac/0x660 [ 37.412537][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 37.417644][ T92] ? security_unix_may_send+0x8c/0xb0 [ 37.423068][ T92] ? __sys_connect+0x267/0x460 [ 37.427887][ T92] __x64_sys_sendto+0xe5/0x100 [ 37.432689][ T92] x64_sys_call+0x83/0x9a0 [ 37.437310][ T92] do_syscall_64+0x4c/0xa0 [ 37.441760][ T92] ? clear_bhb_loop+0x30/0x80 [ 37.446468][ T92] ? clear_bhb_loop+0x30/0x80 [ 37.451173][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 37.457097][ T92] RIP: 0033:0x7fe7fb793407 [ 37.461554][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 37.481179][ T92] RSP: 002b:00007ffff759b300 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 37.489614][ T92] RAX: ffffffffffffffda RBX: 00007fe7fb643c80 RCX: 00007fe7fb793407 [ 37.497603][ T92] RDX: 000000000000004c RSI: 00007ffff759b440 RDI: 0000000000000003 [ 37.505591][ T92] RBP: 00007ffff759b870 R08: 0000000000000000 R09: 0000000000000000 [ 37.513571][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffff759b888 [ 37.521559][ T92] R13: 00007ffff759b440 R14: 0000000000000031 R15: 00007ffff759b440 [ 37.529573][ T92] [ 37.532681][ T19] CPU: 0 PID: 19 Comm: kworker/0:1 Not tainted syzkaller #0 [ 37.539997][ T19] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 37.550082][ T19] Workqueue: ipv6_addrconf addrconf_dad_work [ 37.556104][ T19] Call Trace: [ 37.559404][ T19] [ 37.562313][ T92] FAULT_INJECTION: forcing a failure. [ 37.562313][ T92] name failslab, interval 1, probability 1, space 0, times 947 [ 37.562360][ T19] __dump_stack+0x21/0x24 [ 37.579462][ T19] dump_stack_lvl+0x110/0x170 [ 37.584168][ T19] ? __cfi_dump_stack_lvl+0x8/0x8 [ 37.589223][ T19] ? kasan_set_track+0x60/0x70 [ 37.594102][ T19] ? kasan_save_alloc_info+0x1f/0x30 [ 37.599414][ T19] ? __kasan_slab_alloc+0x72/0x80 [ 37.604461][ T19] ? slab_post_alloc_hook+0x4f/0x2d0 [ 37.609853][ T19] ? kmem_cache_alloc+0x166/0x320 [ 37.614905][ T19] dump_stack+0x15/0x24 [ 37.619083][ T19] should_fail_ex+0x3bf/0x510 [ 37.623770][ T19] __should_failslab+0xac/0xf0 [ 37.628558][ T19] should_failslab+0x9/0x20 [ 37.633164][ T19] __kmem_cache_alloc_node+0x3d/0x2d0 [ 37.638649][ T19] ? ref_tracker_alloc+0x16b/0x4a0 [ 37.643963][ T19] ? ref_tracker_alloc+0x16b/0x4a0 [ 37.649272][ T19] kmalloc_trace+0x29/0xb0 [ 37.653705][ T19] ref_tracker_alloc+0x16b/0x4a0 [ 37.658750][ T19] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 37.664240][ T19] ? slab_post_alloc_hook+0x6d/0x2d0 [ 37.669641][ T19] ? dst_alloc+0x16a/0x1e0 [ 37.674077][ T19] dst_init+0xc4/0x3d0 [ 37.678186][ T19] ? __cfi_ip6_dst_gc+0x10/0x10 [ 37.683073][ T19] dst_alloc+0x191/0x1e0 [ 37.687363][ T19] icmp6_dst_alloc+0xf8/0x510 [ 37.692094][ T19] mld_sendpack+0x623/0xda0 [ 37.696625][ T19] ? add_grec+0x13f0/0x13f0 [ 37.701145][ T19] ? memcpy+0x56/0x70 [ 37.705143][ T19] ? add_grec+0x10b/0x13f0 [ 37.709671][ T19] ipv6_mc_dad_complete+0x299/0x620 [ 37.714902][ T19] addrconf_dad_completed+0x737/0xe80 [ 37.720294][ T19] ? addrconf_dad_stop+0x440/0x440 [ 37.725417][ T19] ? mod_delayed_work_on+0xa8/0xe0 [ 37.730578][ T19] addrconf_dad_work+0xc1b/0x14a0 [ 37.735803][ T19] ? __cfi_addrconf_dad_work+0x10/0x10 [ 37.741308][ T19] ? __kasan_check_write+0x14/0x20 [ 37.746531][ T19] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 37.752460][ T19] process_one_work+0x717/0xc30 [ 37.757337][ T19] worker_thread+0xa4d/0x11d0 [ 37.762065][ T19] kthread+0x281/0x320 [ 37.766146][ T19] ? __cfi_worker_thread+0x10/0x10 [ 37.771273][ T19] ? __cfi_kthread+0x10/0x10 [ 37.776165][ T19] ret_from_fork+0x1f/0x30 [ 37.780605][ T19] [ 37.785644][ T92] CPU: 0 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 37.792535][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 37.802604][ T92] Call Trace: [ 37.806074][ T92] [ 37.809012][ T92] __dump_stack+0x21/0x24 [ 37.813371][ T92] dump_stack_lvl+0x110/0x170 [ 37.818071][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 37.823115][ T92] ? __schedule+0xbea/0x14b0 [ 37.827731][ T92] dump_stack+0x15/0x24 [ 37.831922][ T92] should_fail_ex+0x3bf/0x510 [ 37.836722][ T92] __should_failslab+0xac/0xf0 [ 37.841504][ T92] should_failslab+0x9/0x20 [ 37.846106][ T92] kmem_cache_alloc_node+0x42/0x330 [ 37.851517][ T92] ? __alloc_skb+0xe8/0x4a0 [ 37.856122][ T92] ? __kasan_check_write+0x14/0x20 [ 37.861245][ T92] __alloc_skb+0xe8/0x4a0 [ 37.865678][ T92] alloc_skb_with_frags+0xa8/0x620 [ 37.870799][ T92] ? memcpy+0x56/0x70 [ 37.874804][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 37.880107][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 37.886106][ T92] ? __kasan_check_write+0x14/0x20 [ 37.891236][ T92] ? _raw_spin_lock+0x94/0xf0 [ 37.895929][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 37.901153][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 37.906399][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 37.911960][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 37.917865][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 37.923525][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 37.929001][ T92] __sys_sendto+0x4ac/0x660 [ 37.933517][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 37.938553][ T92] ? __cfi_do_syslog+0x10/0x10 [ 37.943344][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 37.949090][ T92] ? xfd_validate_state+0x70/0x150 [ 37.954230][ T92] ? __kasan_check_write+0x14/0x20 [ 37.959357][ T92] __x64_sys_sendto+0xe5/0x100 [ 37.964137][ T92] x64_sys_call+0x83/0x9a0 [ 37.968568][ T92] do_syscall_64+0x4c/0xa0 [ 37.973264][ T92] ? clear_bhb_loop+0x30/0x80 [ 37.977956][ T92] ? clear_bhb_loop+0x30/0x80 [ 37.982665][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 37.988665][ T92] RIP: 0033:0x7fe7fb793407 [ 37.993800][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 38.013502][ T92] RSP: 002b:00007ffff759b300 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 38.021934][ T92] RAX: ffffffffffffffda RBX: 00007fe7fb643c80 RCX: 00007fe7fb793407 [ 38.029916][ T92] RDX: 000000000000006e RSI: 00007ffff759b440 RDI: 0000000000000003 [ 38.037899][ T92] RBP: 00007ffff759b870 R08: 0000000000000000 R09: 0000000000000000 [ 38.045972][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffff759b888 [ 38.053958][ T92] R13: 00007ffff759b440 R14: 0000000000000053 R15: 00007ffff759b440 [ 38.062118][ T92] [ 38.067264][ T24] FAULT_INJECTION: forcing a failure. [ 38.067264][ T24] name failslab, interval 1, probability 1, space 0, times 946 [ 38.080097][ T24] CPU: 1 PID: 24 Comm: kworker/1:0 Not tainted syzkaller #0 [ 38.087405][ T24] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 38.097497][ T24] Workqueue: ipv6_addrconf addrconf_dad_work [ 38.103517][ T24] Call Trace: [ 38.106812][ T24] [ 38.109757][ T24] __dump_stack+0x21/0x24 [ 38.114111][ T24] dump_stack_lvl+0x110/0x170 [ 38.118815][ T24] ? __cfi_dump_stack_lvl+0x8/0x8 [ 38.123854][ T24] dump_stack+0x15/0x24 [ 38.128033][ T24] should_fail_ex+0x3bf/0x510 [ 38.132814][ T24] ? fib6_add+0x943/0x3dd0 [ 38.137257][ T24] __should_failslab+0xac/0xf0 [ 38.142035][ T24] should_failslab+0x9/0x20 [ 38.146558][ T24] kmem_cache_alloc+0x3b/0x320 [ 38.151459][ T24] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 38.157377][ T24] ? debug_smp_processor_id+0x17/0x20 [ 38.162768][ T24] fib6_add+0x943/0x3dd0 [ 38.167036][ T24] ? kfree_skbmem+0x10c/0x180 [ 38.171734][ T24] ? __cfi_fib6_add+0x10/0x10 [ 38.176428][ T24] ? __kasan_check_write+0x14/0x20 [ 38.181748][ T24] ? _raw_spin_lock_bh+0x94/0xf0 [ 38.186758][ T24] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 38.192258][ T24] ip6_ins_rt+0xd3/0x130 [ 38.196531][ T24] ? __cfi_ip6_ins_rt+0x10/0x10 [ 38.201417][ T24] ? nlmsg_notify+0x13f/0x1a0 [ 38.206109][ T24] ? rtnl_notify+0x9a/0xc0 [ 38.210543][ T24] __ipv6_ifa_notify+0x4e4/0xe80 [ 38.215505][ T24] ? snmp6_fill_stats+0x6c0/0x6c0 [ 38.221007][ T24] ? __local_bh_enable_ip+0x58/0x80 [ 38.226308][ T24] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 38.233095][ T24] ? __kasan_check_write+0x14/0x20 [ 38.238218][ T24] ? try_to_grab_pending+0x1a4/0x580 [ 38.243524][ T24] ? __kasan_check_write+0x14/0x20 [ 38.248655][ T24] ? mod_delayed_work_on+0xe0/0xe0 [ 38.253781][ T24] ? __cfi_fib6_clean_node+0x10/0x10 [ 38.259084][ T24] ? __kasan_check_write+0x14/0x20 [ 38.264227][ T24] ? __cancel_work+0x198/0x200 [ 38.269012][ T24] addrconf_dad_completed+0x192/0xe80 [ 38.274405][ T24] ? addrconf_dad_stop+0x440/0x440 [ 38.279532][ T24] addrconf_dad_work+0xc1b/0x14a0 [ 38.284574][ T24] ? __cfi_addrconf_dad_work+0x10/0x10 [ 38.290053][ T24] ? __kasan_check_write+0x14/0x20 [ 38.295176][ T24] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 38.301095][ T24] process_one_work+0x717/0xc30 [ 38.306057][ T24] worker_thread+0xa4d/0x11d0 [ 38.310755][ T24] kthread+0x281/0x320 [ 38.315014][ T24] ? __cfi_worker_thread+0x10/0x10 [ 38.320151][ T24] ? __cfi_kthread+0x10/0x10 [ 38.324754][ T24] ret_from_fork+0x1f/0x30 [ 38.329192][ T24] [ 38.333909][ T92] FAULT_INJECTION: forcing a failure. [ 38.333909][ T92] name failslab, interval 1, probability 1, space 0, times 944 [ 38.336518][ T330] FAULT_INJECTION: forcing a failure. [ 38.336518][ T330] name failslab, interval 1, probability 1, space 0, times 944 [ 38.359756][ T330] CPU: 1 PID: 330 Comm: kworker/1:3 Not tainted syzkaller #0 [ 38.367171][ T330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 38.377258][ T330] Workqueue: ipv6_addrconf addrconf_dad_work [ 38.383294][ T330] Call Trace: [ 38.386594][ T330] [ 38.389547][ T330] __dump_stack+0x21/0x24 [ 38.393914][ T330] dump_stack_lvl+0x110/0x170 [ 38.398616][ T330] ? __cfi_dump_stack_lvl+0x8/0x8 [ 38.403661][ T330] ? __cfi_fib6_add+0x10/0x10 [ 38.408373][ T330] dump_stack+0x15/0x24 [ 38.412558][ T330] should_fail_ex+0x3bf/0x510 [ 38.417252][ T330] __should_failslab+0xac/0xf0 [ 38.422039][ T330] should_failslab+0x9/0x20 [ 38.426562][ T330] kmem_cache_alloc_node+0x42/0x330 [ 38.431788][ T330] ? __alloc_skb+0xe8/0x4a0 [ 38.436330][ T330] __alloc_skb+0xe8/0x4a0 [ 38.440731][ T330] mld_newpack+0x143/0xa30 [ 38.445183][ T330] ? mld_sendpack+0xda0/0xda0 [ 38.449889][ T330] ? snmp6_fill_stats+0x6c0/0x6c0 [ 38.454938][ T330] ? __local_bh_enable_ip+0x58/0x80 [ 38.460248][ T330] add_grec+0xf26/0x13f0 [ 38.464525][ T330] ipv6_mc_dad_complete+0x25a/0x620 [ 38.469839][ T330] addrconf_dad_completed+0x737/0xe80 [ 38.475234][ T330] ? addrconf_dad_stop+0x440/0x440 [ 38.480366][ T330] addrconf_dad_work+0xc1b/0x14a0 [ 38.485410][ T330] ? __cfi_addrconf_dad_work+0x10/0x10 [ 38.491054][ T330] ? __kasan_check_write+0x14/0x20 [ 38.496183][ T330] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 38.502106][ T330] process_one_work+0x717/0xc30 [ 38.506979][ T330] worker_thread+0xa4d/0x11d0 [ 38.511680][ T330] kthread+0x281/0x320 [ 38.515791][ T330] ? __cfi_worker_thread+0x10/0x10 [ 38.520919][ T330] ? __cfi_kthread+0x10/0x10 [ 38.525531][ T330] ret_from_fork+0x1f/0x30 [ 38.529982][ T330] [ 38.533015][ T92] CPU: 0 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 38.539987][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 38.550070][ T92] Call Trace: [ 38.553351][ T92] [ 38.556280][ T92] __dump_stack+0x21/0x24 [ 38.560705][ T92] dump_stack_lvl+0x110/0x170 [ 38.565669][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 38.570780][ T92] dump_stack+0x15/0x24 [ 38.574954][ T92] should_fail_ex+0x3bf/0x510 [ 38.579631][ T92] __should_failslab+0xac/0xf0 [ 38.584400][ T92] should_failslab+0x9/0x20 [ 38.588910][ T92] kmem_cache_alloc_node+0x42/0x330 [ 38.594110][ T92] ? __alloc_skb+0xe8/0x4a0 [ 38.598636][ T92] __alloc_skb+0xe8/0x4a0 [ 38.602960][ T92] alloc_skb_with_frags+0xa8/0x620 [ 38.608073][ T92] ? memcpy+0x56/0x70 [ 38.612055][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 38.617345][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 38.623150][ T92] ? __kasan_check_write+0x14/0x20 [ 38.628350][ T92] ? _raw_spin_lock+0x94/0xf0 [ 38.633068][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 38.638284][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 38.643490][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 38.649072][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 38.655187][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 38.660847][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 38.666351][ T92] __sys_sendto+0x4ac/0x660 [ 38.670874][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 38.675930][ T92] ? __cfi_do_syslog+0x10/0x10 [ 38.680822][ T92] ? __sys_connect+0x267/0x460 [ 38.685617][ T92] __x64_sys_sendto+0xe5/0x100 [ 38.690401][ T92] x64_sys_call+0x83/0x9a0 [ 38.694848][ T92] do_syscall_64+0x4c/0xa0 [ 38.699267][ T92] ? clear_bhb_loop+0x30/0x80 [ 38.703951][ T92] ? clear_bhb_loop+0x30/0x80 [ 38.708654][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 38.714601][ T92] RIP: 0033:0x7fe7fb793407 [ 38.719025][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 38.738817][ T92] RSP: 002b:00007ffff759b300 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 38.747249][ T92] RAX: ffffffffffffffda RBX: 00007fe7fb643c80 RCX: 00007fe7fb793407 [ 38.755228][ T92] RDX: 0000000000000047 RSI: 00007ffff759b440 RDI: 0000000000000003 [ 38.763209][ T92] RBP: 00007ffff759b870 R08: 0000000000000000 R09: 0000000000000000 [ 38.771366][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffff759b888 [ 38.779359][ T92] R13: 00007ffff759b440 R14: 000000000000002c R15: 00007ffff759b440 [ 38.787352][ T92] [ 38.793082][ T92] FAULT_INJECTION: forcing a failure. [ 38.793082][ T92] name failslab, interval 1, probability 1, space 0, times 941 [ 38.806283][ T92] CPU: 0 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 38.813096][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 38.823158][ T92] Call Trace: [ 38.826454][ T92] [ 38.829478][ T92] __dump_stack+0x21/0x24 [ 38.833819][ T92] dump_stack_lvl+0x110/0x170 [ 38.838517][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 38.843561][ T92] ? ttwu_queue_wakelist+0x307/0x4d0 [ 38.848862][ T92] ? ttwu_do_wakeup+0x490/0x490 [ 38.853731][ T92] dump_stack+0x15/0x24 [ 38.857955][ T92] should_fail_ex+0x3bf/0x510 [ 38.862641][ T92] __should_failslab+0xac/0xf0 [ 38.867588][ T92] should_failslab+0x9/0x20 [ 38.872117][ T92] kmem_cache_alloc_node+0x42/0x330 [ 38.877340][ T92] ? __alloc_skb+0xe8/0x4a0 [ 38.881910][ T92] __alloc_skb+0xe8/0x4a0 [ 38.886360][ T92] alloc_skb_with_frags+0xa8/0x620 [ 38.891479][ T92] ? memcpy+0x56/0x70 [ 38.895465][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 38.900675][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 38.906405][ T92] ? __kasan_check_write+0x14/0x20 [ 38.911525][ T92] ? _raw_spin_lock+0x94/0xf0 [ 38.916206][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 38.921412][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 38.926646][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 38.932201][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 38.938121][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 38.943702][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 38.949178][ T92] __sys_sendto+0x4ac/0x660 [ 38.953800][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 38.958836][ T92] ? __cfi_do_syslog+0x10/0x10 [ 38.963604][ T92] ? __sys_connect+0x267/0x460 [ 38.968380][ T92] __x64_sys_sendto+0xe5/0x100 [ 38.973148][ T92] x64_sys_call+0x83/0x9a0 [ 38.977566][ T92] do_syscall_64+0x4c/0xa0 [ 38.981985][ T92] ? clear_bhb_loop+0x30/0x80 [ 38.986662][ T92] ? clear_bhb_loop+0x30/0x80 [ 38.991361][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 38.997434][ T92] RIP: 0033:0x7fe7fb793407 [ 39.001962][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 39.021667][ T92] RSP: 002b:00007ffff759b300 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 39.030113][ T92] RAX: ffffffffffffffda RBX: 00007fe7fb643c80 RCX: 00007fe7fb793407 [ 39.038171][ T92] RDX: 0000000000000049 RSI: 00007ffff759b440 RDI: 0000000000000003 [ 39.046249][ T92] RBP: 00007ffff759b870 R08: 0000000000000000 R09: 0000000000000000 [ 39.054251][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffff759b888 [ 39.062230][ T92] R13: 00007ffff759b440 R14: 000000000000002e R15: 00007ffff759b440 [ 39.070232][ T92] [ 39.076595][ T92] FAULT_INJECTION: forcing a failure. [ 39.076595][ T92] name failslab, interval 1, probability 1, space 0, times 939 [ 39.089643][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 39.096412][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 39.106475][ T92] Call Trace: [ 39.109753][ T92] [ 39.112696][ T92] __dump_stack+0x21/0x24 [ 39.117036][ T92] dump_stack_lvl+0x110/0x170 [ 39.121713][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 39.126750][ T92] dump_stack+0x15/0x24 [ 39.130954][ T92] should_fail_ex+0x3bf/0x510 [ 39.135655][ T92] ? security_file_alloc+0x33/0x130 [ 39.140889][ T92] __should_failslab+0xac/0xf0 [ 39.145666][ T92] should_failslab+0x9/0x20 [ 39.150179][ T92] kmem_cache_alloc+0x3b/0x320 [ 39.155035][ T92] ? __alloc_file+0x28/0x2a0 [ 39.159650][ T92] security_file_alloc+0x33/0x130 [ 39.164790][ T92] __alloc_file+0xb5/0x2a0 [ 39.169239][ T92] alloc_empty_file+0x97/0x180 [ 39.174025][ T92] alloc_file+0x59/0x600 [ 39.178277][ T92] ? _raw_spin_unlock+0x4c/0x70 [ 39.183171][ T92] alloc_file_pseudo+0x180/0x200 [ 39.188223][ T92] ? __cfi_alloc_file_pseudo+0x10/0x10 [ 39.193773][ T92] ? _raw_spin_unlock+0x4c/0x70 [ 39.198648][ T92] ? alloc_fd+0x4c1/0x570 [ 39.203081][ T92] sock_alloc_file+0xba/0x270 [ 39.207780][ T92] __sys_socket+0x138/0x1a0 [ 39.212407][ T92] __x64_sys_socket+0x7a/0x90 [ 39.217095][ T92] x64_sys_call+0x449/0x9a0 [ 39.221799][ T92] do_syscall_64+0x4c/0xa0 [ 39.226218][ T92] ? clear_bhb_loop+0x30/0x80 [ 39.230896][ T92] ? clear_bhb_loop+0x30/0x80 [ 39.235611][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 39.241546][ T92] RIP: 0033:0x7fe7fb80e707 [ 39.245984][ T92] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 39.265612][ T92] RSP: 002b:00007ffff759b318 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 39.274028][ T92] RAX: ffffffffffffffda RBX: 000000000000004a RCX: 00007fe7fb80e707 [ 39.282002][ T92] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 39.289969][ T92] RBP: 00007fe7fb89a560 R08: 0000000000000000 R09: 0000000000000000 [ 39.297940][ T92] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 39.305918][ T92] R13: 00007ffff759b440 R14: 000000000000002f R15: 00007ffff759b440 [ 39.313915][ T92] [ 39.319774][ T92] FAULT_INJECTION: forcing a failure. [ 39.319774][ T92] name failslab, interval 1, probability 1, space 0, times 938 [ 39.332791][ T92] CPU: 0 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 39.339684][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 39.349759][ T92] Call Trace: [ 39.353068][ T92] [ 39.356091][ T92] __dump_stack+0x21/0x24 [ 39.360456][ T92] dump_stack_lvl+0x110/0x170 [ 39.365138][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 39.370168][ T92] ? __kasan_check_write+0x14/0x20 [ 39.375303][ T92] dump_stack+0x15/0x24 [ 39.379493][ T92] should_fail_ex+0x3bf/0x510 [ 39.384194][ T92] __should_failslab+0xac/0xf0 [ 39.389065][ T92] should_failslab+0x9/0x20 [ 39.393752][ T92] __kmem_cache_alloc_node+0x3d/0x2d0 [ 39.399142][ T92] ? syslog_print+0x11f/0x600 [ 39.403838][ T92] ? syslog_print+0x11f/0x600 [ 39.408525][ T92] kmalloc_trace+0x29/0xb0 [ 39.412954][ T92] syslog_print+0x11f/0x600 [ 39.417470][ T92] ? do_syslog+0x7a0/0x7a0 [ 39.421918][ T92] ? __cfi_avc_has_perm+0x10/0x10 [ 39.426961][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 39.432445][ T92] ? cap_capable+0x1a6/0x230 [ 39.437071][ T92] do_syslog+0x6e1/0x7a0 [ 39.441331][ T92] ? __cfi_do_syslog+0x10/0x10 [ 39.446283][ T92] ? __sys_connect+0x267/0x460 [ 39.451054][ T92] ? debug_smp_processor_id+0x17/0x20 [ 39.456436][ T92] __x64_sys_syslog+0x7c/0x90 [ 39.461203][ T92] x64_sys_call+0x610/0x9a0 [ 39.465814][ T92] do_syscall_64+0x4c/0xa0 [ 39.470240][ T92] ? clear_bhb_loop+0x30/0x80 [ 39.475250][ T92] ? clear_bhb_loop+0x30/0x80 [ 39.479950][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 39.485864][ T92] RIP: 0033:0x7fe7fb80da37 [ 39.490324][ T92] Code: 73 01 c3 48 8b 0d c1 f3 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 67 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 91 f3 0c 00 f7 d8 64 89 01 48 [ 39.510217][ T92] RSP: 002b:00007ffff759b958 EFLAGS: 00000206 ORIG_RAX: 0000000000000067 [ 39.518661][ T92] RAX: ffffffffffffffda RBX: 00007fe7fb9ad490 RCX: 00007fe7fb80da37 [ 39.526631][ T92] RDX: 00000000000003ff RSI: 00007fe7fb9ad490 RDI: 0000000000000002 [ 39.534694][ T92] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 39.542678][ T92] R10: 0000000000004000 R11: 0000000000000206 R12: 00007fe7fb9ad490 [ 39.550658][ T92] R13: 00007fe7fb98adfe R14: 00007fe7fb9ad869 R15: 00007fe7fb9ad869 [ 39.558640][ T92] [ 39.613013][ T8] FAULT_INJECTION: forcing a failure. [ 39.613013][ T8] name failslab, interval 1, probability 1, space 0, times 937 [ 39.625869][ T8] CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 39.633194][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 39.643263][ T8] Workqueue: netns cleanup_net [ 39.648047][ T8] Call Trace: [ 39.651324][ T8] [ 39.654267][ T8] __dump_stack+0x21/0x24 [ 39.658608][ T8] dump_stack_lvl+0x110/0x170 [ 39.663314][ T8] ? __cfi_dump_stack_lvl+0x8/0x8 [ 39.668346][ T8] dump_stack+0x15/0x24 [ 39.672534][ T8] should_fail_ex+0x3bf/0x510 [ 39.677250][ T8] __should_failslab+0xac/0xf0 [ 39.682130][ T8] should_failslab+0x9/0x20 [ 39.686661][ T8] kmem_cache_alloc_node+0x42/0x330 [ 39.691886][ T8] ? __alloc_skb+0xe8/0x4a0 [ 39.696414][ T8] ? __kasan_slab_free+0x11/0x20 [ 39.701399][ T8] __alloc_skb+0xe8/0x4a0 [ 39.705871][ T8] inet_netconf_notify_devconf+0x169/0x220 [ 39.711711][ T8] devinet_exit_net+0x1d2/0x220 [ 39.716604][ T8] cleanup_net+0x5b0/0xb10 [ 39.721033][ T8] ? __kasan_check_write+0x14/0x20 [ 39.726174][ T8] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 39.732091][ T8] ? __cfi_cleanup_net+0x10/0x10 [ 39.737072][ T8] process_one_work+0x717/0xc30 [ 39.741969][ T8] worker_thread+0xa4d/0x11d0 [ 39.746680][ T8] kthread+0x281/0x320 [ 39.750756][ T8] ? __cfi_worker_thread+0x10/0x10 [ 39.755880][ T8] ? __cfi_kthread+0x10/0x10 [ 39.760505][ T8] ret_from_fork+0x1f/0x30 [ 39.764971][ T8] [ 39.768196][ T330] FAULT_INJECTION: forcing a failure. [ 39.768196][ T330] name failslab, interval 1, probability 1, space 0, times 937 [ 39.781026][ T330] CPU: 1 PID: 330 Comm: kworker/1:3 Not tainted syzkaller #0 [ 39.788431][ T330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 39.798498][ T330] Workqueue: mld mld_dad_work [ 39.803194][ T330] Call Trace: [ 39.806563][ T330] [ 39.809499][ T330] __dump_stack+0x21/0x24 [ 39.813835][ T330] dump_stack_lvl+0x110/0x170 [ 39.818521][ T330] ? __cfi_dump_stack_lvl+0x8/0x8 [ 39.823548][ T330] ? kasan_set_track+0x60/0x70 [ 39.828326][ T330] ? kasan_save_alloc_info+0x1f/0x30 [ 39.833619][ T330] ? __kasan_slab_alloc+0x72/0x80 [ 39.838647][ T330] ? slab_post_alloc_hook+0x4f/0x2d0 [ 39.843937][ T330] ? kmem_cache_alloc+0x166/0x320 [ 39.848972][ T330] dump_stack+0x15/0x24 [ 39.853162][ T330] should_fail_ex+0x3bf/0x510 [ 39.857929][ T330] __should_failslab+0xac/0xf0 [ 39.862698][ T330] should_failslab+0x9/0x20 [ 39.867207][ T330] __kmem_cache_alloc_node+0x3d/0x2d0 [ 39.872589][ T330] ? ref_tracker_alloc+0x16b/0x4a0 [ 39.877809][ T330] ? ref_tracker_alloc+0x16b/0x4a0 [ 39.882938][ T330] kmalloc_trace+0x29/0xb0 [ 39.887362][ T330] ref_tracker_alloc+0x16b/0x4a0 [ 39.892309][ T330] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 39.897775][ T330] ? slab_post_alloc_hook+0x6d/0x2d0 [ 39.903073][ T330] ? dst_alloc+0x16a/0x1e0 [ 39.907511][ T330] dst_init+0xc4/0x3d0 [ 39.911584][ T330] ? __cfi_ip6_dst_gc+0x10/0x10 [ 39.916461][ T330] dst_alloc+0x191/0x1e0 [ 39.920776][ T330] icmp6_dst_alloc+0xf8/0x510 [ 39.925479][ T330] mld_sendpack+0x623/0xda0 [ 39.930016][ T330] ? add_grec+0x13f0/0x13f0 [ 39.934646][ T330] ? add_grec+0xfae/0x13f0 [ 39.939080][ T330] ? memcpy+0x56/0x70 [ 39.943171][ T330] ? __cfi_mutex_lock+0x10/0x10 [ 39.948045][ T330] mld_dad_work+0x244/0x670 [ 39.952554][ T330] process_one_work+0x717/0xc30 [ 39.957411][ T330] worker_thread+0xa4d/0x11d0 [ 39.962103][ T330] kthread+0x281/0x320 [ 39.966191][ T330] ? __cfi_worker_thread+0x10/0x10 [ 39.971371][ T330] ? __cfi_kthread+0x10/0x10 [ 39.976010][ T330] ret_from_fork+0x1f/0x30 [ 39.980464][ T330] [ 40.012131][ T8] FAULT_INJECTION: forcing a failure. [ 40.012131][ T8] name failslab, interval 1, probability 1, space 0, times 935 [ 40.025090][ T8] CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 40.032380][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 40.042622][ T8] Workqueue: netns cleanup_net [ 40.047403][ T8] Call Trace: [ 40.050681][ T8] [ 40.053617][ T8] __dump_stack+0x21/0x24 [ 40.057976][ T8] dump_stack_lvl+0x110/0x170 [ 40.062663][ T8] ? __cfi_dump_stack_lvl+0x8/0x8 [ 40.067780][ T8] ? __kasan_record_aux_stack+0xb6/0xc0 [ 40.073347][ T8] ? nf_nat_unregister_fn+0x225/0x3c0 [ 40.078724][ T8] ? iptable_nat_net_pre_exit+0xbd/0xe0 [ 40.084293][ T8] ? cleanup_net+0x4c3/0xb10 [ 40.088905][ T8] ? process_one_work+0x717/0xc30 [ 40.093927][ T8] ? kthread+0x281/0x320 [ 40.098192][ T8] dump_stack+0x15/0x24 [ 40.102358][ T8] should_fail_ex+0x3bf/0x510 [ 40.107053][ T8] __should_failslab+0xac/0xf0 [ 40.111830][ T8] should_failslab+0x9/0x20 [ 40.116439][ T8] __kmem_cache_alloc_node+0x3d/0x2d0 [ 40.121845][ T8] ? kvmalloc_node+0x28a/0x460 [ 40.126642][ T8] ? kvmalloc_node+0x28a/0x460 [ 40.131528][ T8] __kmalloc_node+0xa2/0x1e0 [ 40.136160][ T8] kvmalloc_node+0x28a/0x460 [ 40.140780][ T8] ? __cfi_kvmalloc_node+0x10/0x10 [ 40.145916][ T8] ? __kasan_check_read+0x11/0x20 [ 40.150967][ T8] __nf_hook_entries_try_shrink+0x343/0x730 [ 40.156883][ T8] __nf_unregister_net_hook+0x413/0x610 [ 40.162451][ T8] nf_unregister_net_hooks+0xe2/0x150 [ 40.167897][ T8] nf_nat_unregister_fn+0x276/0x3c0 [ 40.173261][ T8] nf_nat_ipv4_unregister_fn+0x43/0x60 [ 40.178758][ T8] iptable_nat_net_pre_exit+0xbd/0xe0 [ 40.184318][ T8] cleanup_net+0x4c3/0xb10 [ 40.188784][ T8] ? __kasan_check_write+0x14/0x20 [ 40.193942][ T8] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 40.200068][ T8] ? __cfi_cleanup_net+0x10/0x10 [ 40.205068][ T8] process_one_work+0x717/0xc30 [ 40.209960][ T8] worker_thread+0xa4d/0x11d0 [ 40.214852][ T8] kthread+0x281/0x320 [ 40.218955][ T8] ? __cfi_worker_thread+0x10/0x10 [ 40.224176][ T8] ? __cfi_kthread+0x10/0x10 [ 40.228788][ T8] ret_from_fork+0x1f/0x30 [ 40.233230][ T8] [ 40.236695][ T8] FAULT_INJECTION: forcing a failure. [ 40.236695][ T8] name failslab, interval 1, probability 1, space 0, times 934 [ 40.249972][ T8] CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 40.257299][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 40.267692][ T8] Workqueue: netns cleanup_net [ 40.272473][ T8] Call Trace: [ 40.275766][ T8] [ 40.278722][ T8] __dump_stack+0x21/0x24 [ 40.283067][ T8] dump_stack_lvl+0x110/0x170 [ 40.287781][ T8] ? __cfi_dump_stack_lvl+0x8/0x8 [ 40.292817][ T8] dump_stack+0x15/0x24 [ 40.296988][ T8] should_fail_ex+0x3bf/0x510 [ 40.301706][ T8] __should_failslab+0xac/0xf0 [ 40.306496][ T8] should_failslab+0x9/0x20 [ 40.311010][ T8] __kmem_cache_alloc_node+0x3d/0x2d0 [ 40.316401][ T8] ? kvmalloc_node+0x28a/0x460 [ 40.321293][ T8] ? kvmalloc_node+0x28a/0x460 [ 40.326074][ T8] __kmalloc_node+0xa2/0x1e0 [ 40.330664][ T8] kvmalloc_node+0x28a/0x460 [ 40.335257][ T8] ? __cfi_kvmalloc_node+0x10/0x10 [ 40.340371][ T8] __nf_hook_entries_try_shrink+0x343/0x730 [ 40.346380][ T8] __nf_unregister_net_hook+0x413/0x610 [ 40.351928][ T8] nf_unregister_net_hooks+0xe2/0x150 [ 40.357307][ T8] ipt_unregister_table_pre_exit+0x7c/0xb0 [ 40.363113][ T8] iptable_mangle_net_pre_exit+0x1c/0x20 [ 40.368747][ T8] cleanup_net+0x4c3/0xb10 [ 40.373171][ T8] ? __kasan_check_write+0x14/0x20 [ 40.378281][ T8] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 40.384271][ T8] ? __cfi_cleanup_net+0x10/0x10 [ 40.389232][ T8] process_one_work+0x717/0xc30 [ 40.394105][ T8] worker_thread+0xa4d/0x11d0 [ 40.398811][ T8] kthread+0x281/0x320 [ 40.402998][ T8] ? __cfi_worker_thread+0x10/0x10 [ 40.408125][ T8] ? __cfi_kthread+0x10/0x10 [ 40.412732][ T8] ret_from_fork+0x1f/0x30 [ 40.417248][ T8] [ 40.881351][ T8] device bridge_slave_1 left promiscuous mode [ 40.887518][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.895185][ T8] device bridge_slave_0 left promiscuous mode [ 40.901414][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.909525][ T8] device veth1_macvtap left promiscuous mode [ 40.915768][ T8] device veth0_vlan left promiscuous mode [ 40.926549][ T8] FAULT_INJECTION: forcing a failure. [ 40.926549][ T8] name failslab, interval 1, probability 1, space 0, times 928 [ 40.939704][ T8] CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 40.947135][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 40.957199][ T8] Workqueue: netns cleanup_net [ 40.962016][ T8] Call Trace: [ 40.965298][ T8] [ 40.968336][ T8] __dump_stack+0x21/0x24 [ 40.972712][ T8] dump_stack_lvl+0x110/0x170 [ 40.977420][ T8] ? __cfi_dump_stack_lvl+0x8/0x8 [ 40.982448][ T8] ? _raw_spin_lock+0x94/0xf0 [ 40.987131][ T8] dump_stack+0x15/0x24 [ 40.991288][ T8] should_fail_ex+0x3bf/0x510 [ 40.995990][ T8] __should_failslab+0xac/0xf0 [ 41.000758][ T8] should_failslab+0x9/0x20 [ 41.005261][ T8] kmem_cache_alloc_node+0x42/0x330 [ 41.010487][ T8] ? __alloc_skb+0xe8/0x4a0 [ 41.015013][ T8] __alloc_skb+0xe8/0x4a0 [ 41.019341][ T8] __neigh_notify+0x84/0x130 [ 41.023944][ T8] neigh_cleanup_and_release+0x2c/0x1a0 [ 41.029516][ T8] neigh_flush_dev+0x79a/0x950 [ 41.034291][ T8] ? __kasan_check_write+0x14/0x20 [ 41.039426][ T8] __neigh_ifdown+0x3f/0x400 [ 41.044027][ T8] neigh_ifdown+0x1f/0x30 [ 41.048365][ T8] rt6_disable_ip+0x878/0x8e0 [ 41.053056][ T8] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 41.058955][ T8] ? __kasan_check_write+0x14/0x20 [ 41.064069][ T8] ? __cfi_rt6_disable_ip+0x10/0x10 [ 41.069269][ T8] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 41.075086][ T8] ? __kasan_check_read+0x11/0x20 [ 41.080113][ T8] addrconf_ifdown+0x15d/0x1950 [ 41.084968][ T8] ? detach_if_pending+0xf5/0x300 [ 41.090000][ T8] ? addrconf_cleanup+0x130/0x130 [ 41.095024][ T8] ? __kasan_check_write+0x14/0x20 [ 41.100158][ T8] ? mutex_unlock+0x8f/0x230 [ 41.104754][ T8] ? __cfi_mutex_unlock+0x10/0x10 [ 41.109785][ T8] ? __cfi_device_cmp+0x10/0x10 [ 41.114631][ T8] ? masq_device_event+0xd0/0xd0 [ 41.119567][ T8] addrconf_notify+0x39f/0xe30 [ 41.124336][ T8] raw_notifier_call_chain+0xa1/0x110 [ 41.129708][ T8] dev_close_many+0x325/0x4d0 [ 41.134393][ T8] ? __cfi_dev_close_many+0x10/0x10 [ 41.139598][ T8] ? __kasan_check_read+0x11/0x20 [ 41.144627][ T8] unregister_netdevice_many+0x43f/0x1910 [ 41.150370][ T8] ? __cfi_unregister_netdevice_many+0x10/0x10 [ 41.156545][ T8] ? unregister_netdevice_queue+0x17c/0x320 [ 41.162457][ T8] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 41.168716][ T8] ? br_dev_delete+0xfc/0x110 [ 41.173407][ T8] default_device_exit_batch+0x951/0x9f0 [ 41.179242][ T8] ? idr_destroy+0x21e/0x290 [ 41.183954][ T8] ? __cfi_netdev_run_todo+0x10/0x10 [ 41.189349][ T8] ? mutex_lock+0x93/0x1b0 [ 41.193788][ T8] ? __cfi_mutex_lock+0x10/0x10 [ 41.198668][ T8] ? __cfi_default_device_exit_batch+0x10/0x10 [ 41.204873][ T8] ? __cfi_xfrmi_exit_batch_net+0x10/0x10 [ 41.210642][ T8] ? rtnl_unlock+0xe/0x10 [ 41.215047][ T8] ? __cfi_default_device_exit_batch+0x10/0x10 [ 41.221257][ T8] cleanup_net+0x630/0xb10 [ 41.225719][ T8] ? __kasan_check_write+0x14/0x20 [ 41.230856][ T8] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 41.236864][ T8] ? __cfi_cleanup_net+0x10/0x10 [ 41.241847][ T8] process_one_work+0x717/0xc30 [ 41.246713][ T8] worker_thread+0xa4d/0x11d0 [ 41.251412][ T8] kthread+0x281/0x320 [ 41.255496][ T8] ? __cfi_worker_thread+0x10/0x10 [ 41.260616][ T8] ? __cfi_kthread+0x10/0x10 [ 41.265303][ T8] ret_from_fork+0x1f/0x30 [ 41.269735][ T8] [ 41.279594][ T8] FAULT_INJECTION: forcing a failure. [ 41.279594][ T8] name failslab, interval 1, probability 1, space 0, times 926 [ 41.292514][ T8] CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 41.299804][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 41.309975][ T8] Workqueue: netns cleanup_net [ 41.314773][ T8] Call Trace: [ 41.318237][ T8] [ 41.321167][ T8] __dump_stack+0x21/0x24 [ 41.325508][ T8] dump_stack_lvl+0x110/0x170 [ 41.330196][ T8] ? __cfi_dump_stack_lvl+0x8/0x8 [ 41.335238][ T8] ? dev_close_many+0x26b/0x4d0 [ 41.340103][ T8] dump_stack+0x15/0x24 [ 41.344269][ T8] should_fail_ex+0x3bf/0x510 [ 41.348953][ T8] __should_failslab+0xac/0xf0 [ 41.353751][ T8] should_failslab+0x9/0x20 [ 41.358263][ T8] kmem_cache_alloc_node+0x42/0x330 [ 41.363465][ T8] ? __alloc_skb+0xe8/0x4a0 [ 41.368161][ T8] ? sched_clock_cpu+0x6e/0x260 [ 41.373036][ T8] __alloc_skb+0xe8/0x4a0 [ 41.377408][ T8] inet6_rt_notify+0x34d/0x520 [ 41.382228][ T8] ? fib6_purge_rt+0x5d9/0x660 [ 41.387108][ T8] ? __cfi_inet6_rt_notify+0x10/0x10 [ 41.392843][ T8] ? prep_compound_page+0x3be/0x4b0 [ 41.398449][ T8] fib6_del+0xb88/0xef0 [ 41.402638][ T8] ? __cfi_fib6_del+0x10/0x10 [ 41.407630][ T8] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 41.413895][ T8] ? arch_stack_walk+0x124/0x150 [ 41.419132][ T8] ? fib6_ifdown+0x2e8/0x4e0 [ 41.424093][ T8] fib6_clean_node+0x2af/0x550 [ 41.428894][ T8] ? __cfi_fib6_clean_node+0x10/0x10 [ 41.434226][ T8] ? __stack_depot_save+0x36/0x490 [ 41.439533][ T8] ? kasan_save_stack+0x4c/0x60 [ 41.444424][ T8] fib6_walk_continue+0x55d/0x760 [ 41.449586][ T8] fib6_walk+0x153/0x290 [ 41.453880][ T8] fib6_clean_all+0x1a1/0x270 [ 41.459145][ T8] ? __cfi_fib6_ifdown+0x10/0x10 [ 41.464114][ T8] ? __cfi_fib6_clean_all+0x10/0x10 [ 41.469461][ T8] ? __cfi_fib6_clean_node+0x10/0x10 [ 41.474815][ T8] ? __cfi_fib6_ifdown+0x10/0x10 [ 41.480070][ T8] rt6_disable_ip+0x123/0x8e0 [ 41.484866][ T8] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 41.490785][ T8] ? __kasan_check_write+0x14/0x20 [ 41.496065][ T8] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 41.501605][ T8] ? __cfi_rt6_disable_ip+0x10/0x10 [ 41.506833][ T8] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 41.512667][ T8] ? __kasan_check_read+0x11/0x20 [ 41.517713][ T8] addrconf_ifdown+0x15d/0x1950 [ 41.522605][ T8] ? detach_if_pending+0xf5/0x300 [ 41.527662][ T8] ? addrconf_cleanup+0x130/0x130 [ 41.532709][ T8] ? __kasan_check_write+0x14/0x20 [ 41.537839][ T8] ? mutex_unlock+0x8f/0x230 [ 41.542454][ T8] ? __cfi_mutex_unlock+0x10/0x10 [ 41.547489][ T8] ? __cfi_device_cmp+0x10/0x10 [ 41.552355][ T8] ? masq_device_event+0xd0/0xd0 [ 41.557309][ T8] addrconf_notify+0x39f/0xe30 [ 41.562099][ T8] raw_notifier_call_chain+0xa1/0x110 [ 41.567670][ T8] dev_close_many+0x325/0x4d0 [ 41.572379][ T8] ? __cfi_dev_close_many+0x10/0x10 [ 41.578050][ T8] ? __kasan_check_read+0x11/0x20 [ 41.583298][ T8] unregister_netdevice_many+0x43f/0x1910 [ 41.589150][ T8] ? __cfi_unregister_netdevice_many+0x10/0x10 [ 41.595440][ T8] ? unregister_netdevice_queue+0x17c/0x320 [ 41.601482][ T8] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 41.607858][ T8] ? br_dev_delete+0xfc/0x110 [ 41.612589][ T8] default_device_exit_batch+0x951/0x9f0 [ 41.618601][ T8] ? idr_destroy+0x21e/0x290 [ 41.623502][ T8] ? __cfi_netdev_run_todo+0x10/0x10 [ 41.629392][ T8] ? mutex_lock+0x93/0x1b0 [ 41.634103][ T8] ? __cfi_mutex_lock+0x10/0x10 [ 41.639185][ T8] ? __cfi_default_device_exit_batch+0x10/0x10 [ 41.645650][ T8] ? __cfi_xfrmi_exit_batch_net+0x10/0x10 [ 41.651488][ T8] ? rtnl_unlock+0xe/0x10 [ 41.655844][ T8] ? __cfi_default_device_exit_batch+0x10/0x10 [ 41.662036][ T8] cleanup_net+0x630/0xb10 [ 41.666489][ T8] ? __kasan_check_write+0x14/0x20 [ 41.671741][ T8] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 41.677664][ T8] ? __cfi_cleanup_net+0x10/0x10 [ 41.682713][ T8] process_one_work+0x717/0xc30 [ 41.687762][ T8] worker_thread+0xa4d/0x11d0 [ 41.692462][ T8] kthread+0x281/0x320 [ 41.696583][ T8] ? __cfi_worker_thread+0x10/0x10 [ 41.701981][ T8] ? __cfi_kthread+0x10/0x10 [ 41.706596][ T8] ret_from_fork+0x1f/0x30 [ 41.711057][ T8] [ 41.715408][ T8] FAULT_INJECTION: forcing a failure. [ 41.715408][ T8] name failslab, interval 1, probability 1, space 0, times 925 [ 41.728261][ T8] CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 41.735584][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 41.745750][ T8] Workqueue: netns cleanup_net [ 41.750640][ T8] Call Trace: [ 41.753933][ T8] [ 41.756878][ T8] __dump_stack+0x21/0x24 [ 41.761255][ T8] dump_stack_lvl+0x110/0x170 [ 41.766005][ T8] ? __cfi_dump_stack_lvl+0x8/0x8 [ 41.771128][ T8] dump_stack+0x15/0x24 [ 41.775323][ T8] should_fail_ex+0x3bf/0x510 [ 41.780112][ T8] __should_failslab+0xac/0xf0 [ 41.784917][ T8] should_failslab+0x9/0x20 [ 41.789472][ T8] kmem_cache_alloc_node+0x42/0x330 [ 41.794739][ T8] ? __alloc_skb+0xe8/0x4a0 [ 41.799273][ T8] __alloc_skb+0xe8/0x4a0 [ 41.803716][ T8] inet6_rt_notify+0x34d/0x520 [ 41.808502][ T8] ? fib6_purge_rt+0x5e0/0x660 [ 41.813298][ T8] ? atomic_notifier_call_chain+0x108/0x120 [ 41.819226][ T8] ? __cfi_inet6_rt_notify+0x10/0x10 [ 41.824539][ T8] ? call_fib_notifiers+0xa0/0xc0 [ 41.829593][ T8] fib6_del+0xb88/0xef0 [ 41.833779][ T8] ? __cfi_fib6_del+0x10/0x10 [ 41.838514][ T8] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 41.844732][ T8] ? fib6_ifdown+0x2e8/0x4e0 [ 41.849623][ T8] fib6_clean_node+0x2af/0x550 [ 41.854503][ T8] ? __cfi_fib6_clean_node+0x10/0x10 [ 41.859901][ T8] ? __stack_depot_save+0x36/0x490 [ 41.865046][ T8] ? kasan_save_stack+0x4c/0x60 [ 41.869932][ T8] fib6_walk_continue+0x55d/0x760 [ 41.874989][ T8] fib6_walk+0x153/0x290 [ 41.879269][ T8] fib6_clean_all+0x1a1/0x270 [ 41.883975][ T8] ? __cfi_fib6_ifdown+0x10/0x10 [ 41.889050][ T8] ? __cfi_fib6_clean_all+0x10/0x10 [ 41.894292][ T8] ? __cfi_fib6_clean_node+0x10/0x10 [ 41.899646][ T8] ? __cfi_fib6_ifdown+0x10/0x10 [ 41.904757][ T8] rt6_disable_ip+0x123/0x8e0 [ 41.909563][ T8] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 41.915568][ T8] ? __kasan_check_write+0x14/0x20 [ 41.920704][ T8] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 41.926194][ T8] ? __cfi_rt6_disable_ip+0x10/0x10 [ 41.931407][ T8] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 41.937239][ T8] ? __kasan_check_read+0x11/0x20 [ 41.942278][ T8] addrconf_ifdown+0x15d/0x1950 [ 41.947148][ T8] ? detach_if_pending+0xf5/0x300 [ 41.952194][ T8] ? addrconf_cleanup+0x130/0x130 [ 41.957259][ T8] ? __kasan_check_write+0x14/0x20 [ 41.962475][ T8] ? mutex_unlock+0x8f/0x230 [ 41.967097][ T8] ? __cfi_mutex_unlock+0x10/0x10 [ 41.972164][ T8] ? __cfi_device_cmp+0x10/0x10 [ 41.977050][ T8] ? masq_device_event+0xd0/0xd0 [ 41.982011][ T8] addrconf_notify+0x39f/0xe30 [ 41.986889][ T8] raw_notifier_call_chain+0xa1/0x110 [ 41.992280][ T8] dev_close_many+0x325/0x4d0 [ 41.996992][ T8] ? __cfi_dev_close_many+0x10/0x10 [ 42.002224][ T8] ? __kasan_check_read+0x11/0x20 [ 42.007357][ T8] unregister_netdevice_many+0x43f/0x1910 [ 42.013100][ T8] ? __cfi_unregister_netdevice_many+0x10/0x10 [ 42.019277][ T8] ? unregister_netdevice_queue+0x17c/0x320 [ 42.025279][ T8] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 42.031550][ T8] ? br_dev_delete+0xfc/0x110 [ 42.036254][ T8] default_device_exit_batch+0x951/0x9f0 [ 42.041991][ T8] ? idr_destroy+0x21e/0x290 [ 42.046611][ T8] ? __cfi_netdev_run_todo+0x10/0x10 [ 42.052032][ T8] ? mutex_lock+0x93/0x1b0 [ 42.056476][ T8] ? __cfi_mutex_lock+0x10/0x10 [ 42.061378][ T8] ? __cfi_default_device_exit_batch+0x10/0x10 [ 42.067551][ T8] ? __cfi_xfrmi_exit_batch_net+0x10/0x10 [ 42.073464][ T8] ? rtnl_unlock+0xe/0x10 [ 42.077818][ T8] ? __cfi_default_device_exit_batch+0x10/0x10 [ 42.083993][ T8] cleanup_net+0x630/0xb10 [ 42.088434][ T8] ? __kasan_check_write+0x14/0x20 [ 42.093606][ T8] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 42.099533][ T8] ? __cfi_cleanup_net+0x10/0x10 [ 42.104497][ T8] process_one_work+0x717/0xc30 [ 42.109372][ T8] worker_thread+0xa4d/0x11d0 [ 42.114094][ T8] kthread+0x281/0x320 [ 42.118268][ T8] ? __cfi_worker_thread+0x10/0x10 [ 42.123494][ T8] ? __cfi_kthread+0x10/0x10 [ 42.128109][ T8] ret_from_fork+0x1f/0x30 [ 42.132647][ T8] [ 42.139850][ T8] FAULT_INJECTION: forcing a failure. [ 42.139850][ T8] name failslab, interval 1, probability 1, space 0, times 923 [ 42.152755][ T8] CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 42.160049][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.170317][ T8] Workqueue: netns cleanup_net [ 42.175194][ T8] Call Trace: [ 42.178483][ T8] [ 42.181425][ T8] __dump_stack+0x21/0x24 [ 42.185790][ T8] dump_stack_lvl+0x110/0x170 [ 42.190488][ T8] ? __cfi_dump_stack_lvl+0x8/0x8 [ 42.195567][ T8] ? _raw_spin_lock+0x94/0xf0 [ 42.200299][ T8] dump_stack+0x15/0x24 [ 42.204501][ T8] should_fail_ex+0x3bf/0x510 [ 42.209184][ T8] __should_failslab+0xac/0xf0 [ 42.213973][ T8] should_failslab+0x9/0x20 [ 42.218478][ T8] kmem_cache_alloc_node+0x42/0x330 [ 42.223795][ T8] ? __alloc_skb+0xe8/0x4a0 [ 42.228312][ T8] __alloc_skb+0xe8/0x4a0 [ 42.232663][ T8] __neigh_notify+0x84/0x130 [ 42.237271][ T8] neigh_cleanup_and_release+0x2c/0x1a0 [ 42.242838][ T8] neigh_flush_dev+0x79a/0x950 [ 42.247655][ T8] ? __kasan_check_write+0x14/0x20 [ 42.252972][ T8] __neigh_ifdown+0x3f/0x400 [ 42.257586][ T8] ? neigh_cleanup_and_release+0x76/0x1a0 [ 42.263320][ T8] neigh_ifdown+0x1f/0x30 [ 42.267670][ T8] rt6_disable_ip+0x878/0x8e0 [ 42.272437][ T8] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 42.278353][ T8] ? __cfi_rt6_disable_ip+0x10/0x10 [ 42.283553][ T8] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 42.289373][ T8] ? __kasan_check_read+0x11/0x20 [ 42.294397][ T8] addrconf_ifdown+0x15d/0x1950 [ 42.299257][ T8] ? detach_if_pending+0xf5/0x300 [ 42.304380][ T8] ? addrconf_cleanup+0x130/0x130 [ 42.309412][ T8] ? __kasan_check_write+0x14/0x20 [ 42.314534][ T8] ? mutex_unlock+0x8f/0x230 [ 42.319135][ T8] ? __cfi_mutex_unlock+0x10/0x10 [ 42.324167][ T8] ? __cfi_device_cmp+0x10/0x10 [ 42.329136][ T8] ? masq_device_event+0xd0/0xd0 [ 42.334089][ T8] addrconf_notify+0x39f/0xe30 [ 42.338872][ T8] raw_notifier_call_chain+0xa1/0x110 [ 42.344422][ T8] dev_close_many+0x325/0x4d0 [ 42.349298][ T8] ? __cfi_dev_close_many+0x10/0x10 [ 42.354520][ T8] ? __kasan_check_read+0x11/0x20 [ 42.359604][ T8] unregister_netdevice_many+0x43f/0x1910 [ 42.365336][ T8] ? __cfi_unregister_netdevice_many+0x10/0x10 [ 42.371502][ T8] ? unregister_netdevice_queue+0x17c/0x320 [ 42.377403][ T8] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 42.383653][ T8] ? br_dev_delete+0xfc/0x110 [ 42.388333][ T8] default_device_exit_batch+0x951/0x9f0 [ 42.393998][ T8] ? idr_destroy+0x21e/0x290 [ 42.398650][ T8] ? __cfi_netdev_run_todo+0x10/0x10 [ 42.403961][ T8] ? mutex_lock+0x93/0x1b0 [ 42.408407][ T8] ? __cfi_mutex_lock+0x10/0x10 [ 42.413378][ T8] ? __cfi_default_device_exit_batch+0x10/0x10 [ 42.419594][ T8] ? __cfi_xfrmi_exit_batch_net+0x10/0x10 [ 42.425521][ T8] ? rtnl_unlock+0xe/0x10 [ 42.429869][ T8] ? __cfi_default_device_exit_batch+0x10/0x10 [ 42.436123][ T8] cleanup_net+0x630/0xb10 [ 42.440555][ T8] ? __kasan_check_write+0x14/0x20 [ 42.445679][ T8] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 42.451623][ T8] ? __cfi_cleanup_net+0x10/0x10 [ 42.456593][ T8] process_one_work+0x717/0xc30 [ 42.461474][ T8] worker_thread+0xa4d/0x11d0 [ 42.466197][ T8] kthread+0x281/0x320 [ 42.470302][ T8] ? __cfi_worker_thread+0x10/0x10 [ 42.475648][ T8] ? __cfi_kthread+0x10/0x10 [ 42.480358][ T8] ret_from_fork+0x1f/0x30 [ 42.484897][ T8] [ 42.492129][ T8] FAULT_INJECTION: forcing a failure. [ 42.492129][ T8] name failslab, interval 1, probability 1, space 0, times 921 [ 42.505163][ T8] CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 42.512466][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.522556][ T8] Workqueue: netns cleanup_net [ 42.527335][ T8] Call Trace: [ 42.530621][ T8] [ 42.533549][ T8] __dump_stack+0x21/0x24 [ 42.537882][ T8] dump_stack_lvl+0x110/0x170 [ 42.542597][ T8] ? __cfi_dump_stack_lvl+0x8/0x8 [ 42.547828][ T8] dump_stack+0x15/0x24 [ 42.552082][ T8] should_fail_ex+0x3bf/0x510 [ 42.556772][ T8] __should_failslab+0xac/0xf0 [ 42.561544][ T8] should_failslab+0x9/0x20 [ 42.566058][ T8] kmem_cache_alloc_node+0x42/0x330 [ 42.571286][ T8] ? __alloc_skb+0xe8/0x4a0 [ 42.575797][ T8] __alloc_skb+0xe8/0x4a0 [ 42.580125][ T8] rtmsg_fib+0x5fe/0xe20 [ 42.584372][ T8] fib_table_delete+0xef5/0x1190 [ 42.589321][ T8] ? arch_stack_walk+0x124/0x150 [ 42.594278][ T8] ? __cfi_fib_table_delete+0x10/0x10 [ 42.599744][ T8] ? kasan_set_track+0x60/0x70 [ 42.604595][ T8] ? kasan_set_track+0x4b/0x70 [ 42.609460][ T8] ? kasan_save_free_info+0x2b/0x40 [ 42.614758][ T8] ? ____kasan_slab_free+0x132/0x180 [ 42.620050][ T8] ? __kasan_slab_free+0x11/0x20 [ 42.624996][ T8] ? fib_new_table+0x10d/0x2b0 [ 42.629765][ T8] fib_del_ifaddr+0x16fb/0x1c80 [ 42.634795][ T8] ? default_device_exit_batch+0x951/0x9f0 [ 42.640604][ T8] ? worker_thread+0xa4d/0x11d0 [ 42.645644][ T8] ? __cfi_fib_del_ifaddr+0x10/0x10 [ 42.650843][ T8] ? __kasan_check_write+0x14/0x20 [ 42.656049][ T8] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 42.661530][ T8] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 42.667438][ T8] ? __kasan_check_write+0x14/0x20 [ 42.672635][ T8] ? rwsem_read_trylock+0x2af/0x640 [ 42.677844][ T8] ? down_read+0xa6/0xf0 [ 42.682106][ T8] fib_inetaddr_event+0xc9/0x310 [ 42.687062][ T8] blocking_notifier_call_chain+0xcb/0x150 [ 42.692888][ T8] __inet_del_ifa+0x81f/0xd90 [ 42.697572][ T8] ? ip_mc_destroy_dev+0x2a3/0x2e0 [ 42.702887][ T8] inetdev_event+0x6a0/0x10a0 [ 42.707585][ T8] ? __cfi_inetdev_event+0x10/0x10 [ 42.712707][ T8] ? arp_netdev_event+0xd4/0x2b0 [ 42.717668][ T8] raw_notifier_call_chain+0xa1/0x110 [ 42.723053][ T8] unregister_netdevice_many+0x104a/0x1910 [ 42.728869][ T8] ? __cfi_unregister_netdevice_many+0x10/0x10 [ 42.735039][ T8] ? unregister_netdevice_queue+0x17c/0x320 [ 42.740967][ T8] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 42.747334][ T8] ? br_dev_delete+0xfc/0x110 [ 42.752046][ T8] default_device_exit_batch+0x951/0x9f0 [ 42.757687][ T8] ? idr_destroy+0x21e/0x290 [ 42.762327][ T8] ? __cfi_netdev_run_todo+0x10/0x10 [ 42.767743][ T8] ? mutex_lock+0x93/0x1b0 [ 42.772265][ T8] ? __cfi_mutex_lock+0x10/0x10 [ 42.777488][ T8] ? __cfi_default_device_exit_batch+0x10/0x10 [ 42.783646][ T8] ? __cfi_xfrmi_exit_batch_net+0x10/0x10 [ 42.789572][ T8] ? rtnl_unlock+0xe/0x10 [ 42.793904][ T8] ? __cfi_default_device_exit_batch+0x10/0x10 [ 42.801279][ T8] cleanup_net+0x630/0xb10 [ 42.805702][ T8] ? __kasan_check_write+0x14/0x20 [ 42.810816][ T8] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 42.816870][ T8] ? __cfi_cleanup_net+0x10/0x10 [ 42.821818][ T8] process_one_work+0x717/0xc30 [ 42.826674][ T8] worker_thread+0xa4d/0x11d0 [ 42.831371][ T8] kthread+0x281/0x320 [ 42.835458][ T8] ? __cfi_worker_thread+0x10/0x10 [ 42.840580][ T8] ? __cfi_kthread+0x10/0x10 [ 42.845175][ T8] ret_from_fork+0x1f/0x30 [ 42.849611][ T8] [ 42.869058][ T8] FAULT_INJECTION: forcing a failure. [ 42.869058][ T8] name failslab, interval 1, probability 1, space 0, times 919 [ 42.881976][ T8] CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 42.889270][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.899342][ T8] Workqueue: netns cleanup_net [ 42.904147][ T8] Call Trace: [ 42.907523][ T8] [ 42.910463][ T8] __dump_stack+0x21/0x24 [ 42.914852][ T8] dump_stack_lvl+0x110/0x170 [ 42.919683][ T8] ? __cfi_dump_stack_lvl+0x8/0x8 [ 42.924811][ T8] dump_stack+0x15/0x24 [ 42.929781][ T8] should_fail_ex+0x3bf/0x510 [ 42.934655][ T8] __should_failslab+0xac/0xf0 [ 42.939469][ T8] should_failslab+0x9/0x20 [ 42.944413][ T8] kmem_cache_alloc_node+0x42/0x330 [ 42.949996][ T8] ? __alloc_skb+0xe8/0x4a0 [ 42.954621][ T8] __alloc_skb+0xe8/0x4a0 [ 42.958987][ T8] rtmsg_ifinfo_build_skb+0x75/0x180 [ 42.964281][ T8] unregister_netdevice_many+0x10e4/0x1910 [ 42.970111][ T8] ? __cfi_unregister_netdevice_many+0x10/0x10 [ 42.976336][ T8] ? unregister_netdevice_queue+0x17c/0x320 [ 42.982259][ T8] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 42.988543][ T8] ? br_dev_delete+0xfc/0x110 [ 42.993238][ T8] default_device_exit_batch+0x951/0x9f0 [ 42.998930][ T8] ? idr_destroy+0x21e/0x290 [ 43.003537][ T8] ? __cfi_netdev_run_todo+0x10/0x10 [ 43.008845][ T8] ? mutex_lock+0x93/0x1b0 [ 43.013316][ T8] ? __cfi_mutex_lock+0x10/0x10 [ 43.018459][ T8] ? __cfi_default_device_exit_batch+0x10/0x10 [ 43.024632][ T8] ? __cfi_xfrmi_exit_batch_net+0x10/0x10 [ 43.031076][ T8] ? rtnl_unlock+0xe/0x10 [ 43.035430][ T8] ? __cfi_default_device_exit_batch+0x10/0x10 [ 43.041592][ T8] cleanup_net+0x630/0xb10 [ 43.046022][ T8] ? __kasan_check_write+0x14/0x20 [ 43.051136][ T8] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 43.057048][ T8] ? __cfi_cleanup_net+0x10/0x10 [ 43.061997][ T8] process_one_work+0x717/0xc30 [ 43.066853][ T8] worker_thread+0xa4d/0x11d0 [ 43.071620][ T8] kthread+0x281/0x320 [ 43.075796][ T8] ? __cfi_worker_thread+0x10/0x10 [ 43.080906][ T8] ? __cfi_kthread+0x10/0x10 [ 43.085520][ T8] ret_from_fork+0x1f/0x30 [ 43.089958][ T8] [ 43.097686][ T8] FAULT_INJECTION: forcing a failure. [ 43.097686][ T8] name failslab, interval 1, probability 1, space 0, times 917 [ 43.110641][ T8] CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 43.117973][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 43.128129][ T8] Workqueue: netns cleanup_net [ 43.132930][ T8] Call Trace: [ 43.136208][ T8] [ 43.139137][ T8] __dump_stack+0x21/0x24 [ 43.143473][ T8] dump_stack_lvl+0x110/0x170 [ 43.148173][ T8] ? __cfi_dump_stack_lvl+0x8/0x8 [ 43.153292][ T8] dump_stack+0x15/0x24 [ 43.157459][ T8] should_fail_ex+0x3bf/0x510 [ 43.162160][ T8] __should_failslab+0xac/0xf0 [ 43.166933][ T8] should_failslab+0x9/0x20 [ 43.171481][ T8] kmem_cache_alloc_node+0x42/0x330 [ 43.176709][ T8] ? __alloc_skb+0xe8/0x4a0 [ 43.181332][ T8] __alloc_skb+0xe8/0x4a0 [ 43.185849][ T8] rtmsg_ifinfo_build_skb+0x75/0x180 [ 43.191148][ T8] unregister_netdevice_many+0x10e4/0x1910 [ 43.196981][ T8] ? __cfi_unregister_netdevice_many+0x10/0x10 [ 43.203158][ T8] ? unregister_netdevice_queue+0x17c/0x320 [ 43.209079][ T8] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 43.215887][ T8] ? br_dev_delete+0xfc/0x110 [ 43.220582][ T8] default_device_exit_batch+0x951/0x9f0 [ 43.226231][ T8] ? idr_destroy+0x21e/0x290 [ 43.230856][ T8] ? __cfi_netdev_run_todo+0x10/0x10 [ 43.236560][ T8] ? mutex_lock+0x93/0x1b0 [ 43.241062][ T8] ? __cfi_mutex_lock+0x10/0x10 [ 43.246036][ T8] ? __cfi_default_device_exit_batch+0x10/0x10 [ 43.252664][ T8] ? __cfi_xfrmi_exit_batch_net+0x10/0x10 [ 43.258428][ T8] ? rtnl_unlock+0xe/0x10 [ 43.262784][ T8] ? __cfi_default_device_exit_batch+0x10/0x10 [ 43.268946][ T8] cleanup_net+0x630/0xb10 [ 43.273378][ T8] ? __kasan_check_write+0x14/0x20 [ 43.278500][ T8] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 43.284496][ T8] ? __cfi_cleanup_net+0x10/0x10 [ 43.289544][ T8] process_one_work+0x717/0xc30 [ 43.294432][ T8] worker_thread+0xa4d/0x11d0 [ 43.299317][ T8] kthread+0x281/0x320 [ 43.303387][ T8] ? __cfi_worker_thread+0x10/0x10 [ 43.308599][ T8] ? __cfi_kthread+0x10/0x10 [ 43.313387][ T8] ret_from_fork+0x1f/0x30 [ 43.317907][ T8]