Warning: Permanently added '10.128.1.62' (ED25519) to the list of known hosts. 2025/12/13 05:53:11 ignoring optional flag "type"="gce" 2025/12/13 05:53:11 parsed 1 programs 2025/12/13 05:53:11 executed programs: 0 [ 40.682047][ T341] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.689122][ T341] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.696649][ T341] device bridge_slave_0 entered promiscuous mode [ 40.704256][ T341] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.711316][ T341] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.718831][ T341] device bridge_slave_1 entered promiscuous mode [ 40.764903][ T339] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.772338][ T339] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.779807][ T339] device bridge_slave_0 entered promiscuous mode [ 40.787824][ T339] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.795384][ T339] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.802939][ T339] device bridge_slave_1 entered promiscuous mode [ 40.862066][ T342] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.869122][ T342] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.876559][ T342] device bridge_slave_0 entered promiscuous mode [ 40.897886][ T342] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.904999][ T342] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.912807][ T342] device bridge_slave_1 entered promiscuous mode [ 40.959231][ T343] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.966422][ T343] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.974038][ T343] device bridge_slave_0 entered promiscuous mode [ 40.990149][ T343] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.997260][ T343] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.004793][ T343] device bridge_slave_1 entered promiscuous mode [ 41.024820][ T344] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.032088][ T344] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.039605][ T344] device bridge_slave_0 entered promiscuous mode [ 41.063873][ T344] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.070965][ T344] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.078544][ T344] device bridge_slave_1 entered promiscuous mode [ 41.137197][ T345] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.144284][ T345] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.151816][ T345] device bridge_slave_0 entered promiscuous mode [ 41.178067][ T345] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.185384][ T345] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.192965][ T345] device bridge_slave_1 entered promiscuous mode [ 41.247460][ T339] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.254588][ T339] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.262021][ T339] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.269069][ T339] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.361162][ T342] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.368877][ T342] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.376561][ T342] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.383641][ T342] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.395471][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.402868][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.410212][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.417434][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.425904][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.433579][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.463225][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.471827][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.480466][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.487627][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.495096][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 41.522219][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.530653][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.539491][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.546833][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.562684][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.595139][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.604538][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.612345][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.620486][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.627537][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.635549][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.644051][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.651086][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.658640][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.666667][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.675149][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.682221][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.690261][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.698989][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.706254][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.730730][ T341] device veth0_vlan entered promiscuous mode [ 41.742325][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.751021][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.759401][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.767131][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 41.775457][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 41.783444][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.792477][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.800449][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.808620][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.816939][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.831064][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.838823][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.846369][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.855291][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.863983][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.871011][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.878557][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.886943][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.895146][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.902202][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.909597][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.917324][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.930612][ T341] device veth1_macvtap entered promiscuous mode [ 41.942058][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 41.949972][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.958668][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.967229][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.974500][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.982142][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.990541][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.998917][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.005988][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.013916][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 42.022293][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.030430][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 42.038270][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.046748][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.055232][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.062304][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.070119][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.096236][ T343] device veth0_vlan entered promiscuous mode [ 42.102714][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.111123][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.119527][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 42.127454][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 42.135328][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.143604][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.151668][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.159950][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.168115][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 42.176738][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.185436][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.194216][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.202574][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.209686][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.217240][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 42.225723][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.238167][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.261210][ T343] device veth1_macvtap entered promiscuous mode [ 42.264010][ T405] FAULT_INJECTION: forcing a failure. [ 42.264010][ T405] name failslab, interval 1, probability 0, space 0, times 1 [ 42.285134][ T405] CPU: 0 PID: 405 Comm: syz-executor.4 Not tainted syzkaller #0 [ 42.286605][ T342] device veth0_vlan entered promiscuous mode [ 42.292915][ T405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 42.292944][ T405] Call Trace: [ 42.292950][ T405] [ 42.292957][ T405] __dump_stack+0x21/0x30 [ 42.309356][ T342] device veth1_macvtap entered promiscuous mode [ 42.312372][ T405] dump_stack_lvl+0xee/0x150 [ 42.312401][ T405] ? show_regs_print_info+0x20/0x20 [ 42.335773][ T405] ? avc_denied+0x1b0/0x1b0 [ 42.340296][ T405] dump_stack+0x15/0x20 [ 42.344568][ T405] should_fail+0x3c1/0x510 [ 42.349109][ T405] __should_failslab+0xa4/0xe0 [ 42.353876][ T405] should_failslab+0x9/0x20 [ 42.358377][ T405] slab_pre_alloc_hook+0x3b/0xe0 [ 42.363327][ T405] ? vm_area_dup+0x26/0x210 [ 42.367919][ T405] kmem_cache_alloc+0x44/0x260 [ 42.372684][ T405] vm_area_dup+0x26/0x210 [ 42.377019][ T405] copy_mm+0x93a/0x13a0 [ 42.381189][ T405] ? copy_signal+0x600/0x600 [ 42.385867][ T405] ? __init_rwsem+0xfc/0x1d0 [ 42.390680][ T405] ? copy_signal+0x4cb/0x600 [ 42.395269][ T405] copy_process+0x115c/0x3210 [ 42.399949][ T405] ? __kasan_check_write+0x14/0x20 [ 42.405065][ T405] ? __pidfd_prepare+0x150/0x150 [ 42.410004][ T405] ? security_file_permission+0x83/0xa0 [ 42.415592][ T405] kernel_clone+0x23f/0x940 [ 42.420111][ T405] ? create_io_thread+0x130/0x130 [ 42.425245][ T405] ? __kasan_check_write+0x14/0x20 [ 42.430460][ T405] ? mutex_unlock+0x89/0x220 [ 42.435068][ T405] __x64_sys_clone+0x176/0x1d0 [ 42.439872][ T405] ? __kasan_check_write+0x14/0x20 [ 42.444987][ T405] ? __ia32_sys_vfork+0xf0/0xf0 [ 42.449845][ T405] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 42.456106][ T405] x64_sys_call+0x41f/0x9a0 [ 42.460663][ T405] do_syscall_64+0x4c/0xa0 [ 42.465175][ T405] ? clear_bhb_loop+0x50/0xa0 [ 42.469946][ T405] ? clear_bhb_loop+0x50/0xa0 [ 42.474764][ T405] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 42.480675][ T405] RIP: 0033:0x7f25b339c999 [ 42.485223][ T405] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 42.505029][ T405] RSP: 002b:00007f25b2f1f078 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 42.513619][ T405] RAX: ffffffffffffffda RBX: 00007f25b34bbf80 RCX: 00007f25b339c999 [ 42.521611][ T405] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000100000 [ 42.529796][ T405] RBP: 00007f25b2f1f120 R08: 0000000000000000 R09: 0000000000000000 [ 42.537769][ T405] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 42.545740][ T405] R13: 000000000000000b R14: 00007f25b34bbf80 R15: 00007ffca678d208 [ 42.553927][ T405] [ 42.565394][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.573879][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 42.585561][ T408] FAULT_INJECTION: forcing a failure. [ 42.585561][ T408] name failslab, interval 1, probability 0, space 0, times 0 [ 42.588511][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 42.599009][ T408] CPU: 1 PID: 408 Comm: syz-executor.4 Not tainted syzkaller #0 [ 42.606901][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.613295][ T408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 42.613308][ T408] Call Trace: [ 42.613314][ T408] [ 42.613321][ T408] __dump_stack+0x21/0x30 [ 42.613349][ T408] dump_stack_lvl+0xee/0x150 [ 42.613368][ T408] ? show_regs_print_info+0x20/0x20 [ 42.622232][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.631480][ T408] dump_stack+0x15/0x20 [ 42.635381][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.637713][ T408] should_fail+0x3c1/0x510 [ 42.642780][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.646662][ T408] __should_failslab+0xa4/0xe0 [ 42.652701][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 42.659747][ T408] should_failslab+0x9/0x20 [ 42.664630][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.671785][ T408] slab_pre_alloc_hook+0x3b/0xe0 [ 42.671819][ T408] ? anon_vma_fork+0x200/0x510 [ 42.671836][ T408] kmem_cache_alloc+0x44/0x260 [ 42.671856][ T408] anon_vma_fork+0x200/0x510 [ 42.676925][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 42.683984][ T408] copy_mm+0x9d1/0x13a0 [ 42.684011][ T408] ? copy_signal+0x600/0x600 [ 42.684026][ T408] ? __init_rwsem+0xfc/0x1d0 [ 42.684046][ T408] ? copy_signal+0x4cb/0x600 [ 42.689789][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.697330][ T408] copy_process+0x115c/0x3210 [ 42.697362][ T408] ? __kasan_check_write+0x14/0x20 [ 42.702720][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 42.710527][ T408] ? __pidfd_prepare+0x150/0x150 [ 42.715898][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.720248][ T408] ? security_file_permission+0x83/0xa0 [ 42.725471][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 42.729669][ T408] kernel_clone+0x23f/0x940 [ 42.738318][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.741805][ T408] ? create_io_thread+0x130/0x130 [ 42.741833][ T408] ? __kasan_check_write+0x14/0x20 [ 42.746817][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.751043][ T408] ? mutex_unlock+0x89/0x220 [ 42.756134][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.763813][ T408] __x64_sys_clone+0x176/0x1d0 [ 42.763843][ T408] ? __kasan_check_write+0x14/0x20 [ 42.763863][ T408] ? __ia32_sys_vfork+0xf0/0xf0 [ 42.866327][ T408] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 42.872482][ T408] x64_sys_call+0x41f/0x9a0 [ 42.876978][ T408] do_syscall_64+0x4c/0xa0 [ 42.881388][ T408] ? clear_bhb_loop+0x50/0xa0 [ 42.886059][ T408] ? clear_bhb_loop+0x50/0xa0 [ 42.890735][ T408] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 42.896628][ T408] RIP: 0033:0x7f25b339c999 [ 42.901046][ T408] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 42.920654][ T408] RSP: 002b:00007f25b2f1f078 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 42.929077][ T408] RAX: ffffffffffffffda RBX: 00007f25b34bbf80 RCX: 00007f25b339c999 [ 42.937047][ T408] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000100000 [ 42.945106][ T408] RBP: 00007f25b2f1f120 R08: 0000000000000000 R09: 0000000000000000 [ 42.953158][ T408] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 42.961124][ T408] R13: 000000000000000b R14: 00007f25b34bbf80 R15: 00007ffca678d208 [ 42.969193][ T408] [ 42.988454][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.997246][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.006219][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.012636][ T410] FAULT_INJECTION: forcing a failure. [ 43.012636][ T410] name failslab, interval 1, probability 0, space 0, times 0 [ 43.022549][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.027542][ T410] CPU: 1 PID: 410 Comm: syz-executor.4 Not tainted syzkaller #0 [ 43.042381][ T410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 43.046445][ T344] device veth0_vlan entered promiscuous mode [ 43.052671][ T410] Call Trace: [ 43.052679][ T410] [ 43.052686][ T410] __dump_stack+0x21/0x30 [ 43.066924][ T344] device veth1_macvtap entered promiscuous mode [ 43.069328][ T410] dump_stack_lvl+0xee/0x150 [ 43.080244][ T410] ? show_regs_print_info+0x20/0x20 [ 43.085478][ T410] ? avc_denied+0x1b0/0x1b0 [ 43.090074][ T410] dump_stack+0x15/0x20 [ 43.094232][ T410] should_fail+0x3c1/0x510 [ 43.098671][ T410] __should_failslab+0xa4/0xe0 [ 43.103448][ T410] should_failslab+0x9/0x20 [ 43.107956][ T410] slab_pre_alloc_hook+0x3b/0xe0 [ 43.112925][ T410] ? vm_area_dup+0x26/0x210 [ 43.117446][ T410] kmem_cache_alloc+0x44/0x260 [ 43.122230][ T410] vm_area_dup+0x26/0x210 [ 43.126652][ T410] copy_mm+0x93a/0x13a0 [ 43.130809][ T410] ? copy_signal+0x600/0x600 [ 43.135420][ T410] ? __init_rwsem+0xfc/0x1d0 [ 43.140035][ T410] ? copy_signal+0x4cb/0x600 [ 43.144753][ T410] copy_process+0x115c/0x3210 [ 43.149612][ T410] ? __kasan_check_write+0x14/0x20 [ 43.154910][ T410] ? __pidfd_prepare+0x150/0x150 [ 43.159869][ T410] ? security_file_permission+0x83/0xa0 [ 43.165503][ T410] kernel_clone+0x23f/0x940 [ 43.170008][ T410] ? create_io_thread+0x130/0x130 [ 43.175032][ T410] ? __kasan_check_write+0x14/0x20 [ 43.180141][ T410] ? mutex_unlock+0x89/0x220 [ 43.184736][ T410] __x64_sys_clone+0x176/0x1d0 [ 43.189511][ T410] ? __kasan_check_write+0x14/0x20 [ 43.194622][ T410] ? __ia32_sys_vfork+0xf0/0xf0 [ 43.199482][ T410] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 43.205648][ T410] x64_sys_call+0x41f/0x9a0 [ 43.210151][ T410] do_syscall_64+0x4c/0xa0 [ 43.214593][ T410] ? clear_bhb_loop+0x50/0xa0 [ 43.219273][ T410] ? clear_bhb_loop+0x50/0xa0 [ 43.223957][ T410] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 43.230009][ T410] RIP: 0033:0x7f25b339c999 [ 43.234994][ T410] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 43.254683][ T410] RSP: 002b:00007f25b2f1f078 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 43.263279][ T410] RAX: ffffffffffffffda RBX: 00007f25b34bbf80 RCX: 00007f25b339c999 [ 43.271340][ T410] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000100000 [ 43.279483][ T410] RBP: 00007f25b2f1f120 R08: 0000000000000000 R09: 0000000000000000 [ 43.287457][ T410] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 43.295524][ T410] R13: 000000000000000b R14: 00007f25b34bbf80 R15: 00007ffca678d208 [ 43.303632][ T410] [ 43.322396][ T413] FAULT_INJECTION: forcing a failure. [ 43.322396][ T413] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 43.344957][ T413] CPU: 0 PID: 413 Comm: syz-executor.4 Not tainted syzkaller #0 [ 43.345044][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 43.353075][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 43.353087][ T413] Call Trace: [ 43.353092][ T413] [ 43.353099][ T413] __dump_stack+0x21/0x30 [ 43.372160][ T415] FAULT_INJECTION: forcing a failure. [ 43.372160][ T415] name failslab, interval 1, probability 0, space 0, times 0 [ 43.374547][ T413] dump_stack_lvl+0xee/0x150 [ 43.377981][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.381890][ T413] ? show_regs_print_info+0x20/0x20 [ 43.381917][ T413] dump_stack+0x15/0x20 [ 43.403593][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 43.407157][ T413] should_fail+0x3c1/0x510 [ 43.407185][ T413] should_fail_alloc_page+0x55/0x80 [ 43.419572][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.424497][ T413] prepare_alloc_pages+0x156/0x600 [ 43.424526][ T413] ? __alloc_pages_bulk+0xab0/0xab0 [ 43.434325][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 43.442091][ T413] ? arch_stack_walk+0xee/0x140 [ 43.442126][ T413] __alloc_pages+0x10a/0x440 [ 43.442148][ T413] ? prep_new_page+0x110/0x110 [ 43.453514][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.460586][ T413] ? __kasan_slab_alloc+0xcf/0xf0 [ 43.473547][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 43.474988][ T413] ? __kasan_slab_alloc+0xbd/0xf0 [ 43.489864][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 43.495448][ T413] ? slab_post_alloc_hook+0x4f/0x2b0 [ 43.495477][ T413] get_zeroed_page+0x1b/0x40 [ 43.507084][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.508918][ T413] __pud_alloc+0x37/0x1a0 [ 43.520371][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 43.526944][ T413] copy_page_range+0x25e3/0x2890 [ 43.526977][ T413] ? vma_gap_callbacks_rotate+0x1d2/0x200 [ 43.536525][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.539426][ T413] ? pfn_valid+0x1d0/0x1d0 [ 43.562837][ T413] copy_mm+0xbe2/0x13a0 [ 43.567012][ T413] ? copy_signal+0x600/0x600 [ 43.571692][ T413] ? __init_rwsem+0xfc/0x1d0 [ 43.576303][ T413] ? copy_signal+0x4cb/0x600 [ 43.580998][ T413] copy_process+0x115c/0x3210 [ 43.585685][ T413] ? __kasan_check_write+0x14/0x20 [ 43.590825][ T413] ? __pidfd_prepare+0x150/0x150 [ 43.596061][ T413] ? security_file_permission+0x83/0xa0 [ 43.602111][ T413] kernel_clone+0x23f/0x940 [ 43.606650][ T413] ? create_io_thread+0x130/0x130 [ 43.611877][ T413] ? __kasan_check_write+0x14/0x20 [ 43.617089][ T413] ? mutex_unlock+0x89/0x220 [ 43.621980][ T413] __x64_sys_clone+0x176/0x1d0 [ 43.626776][ T413] ? __kasan_check_write+0x14/0x20 [ 43.632049][ T413] ? __ia32_sys_vfork+0xf0/0xf0 [ 43.636925][ T413] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 43.643297][ T413] x64_sys_call+0x41f/0x9a0 [ 43.647826][ T413] do_syscall_64+0x4c/0xa0 [ 43.652540][ T413] ? clear_bhb_loop+0x50/0xa0 [ 43.657231][ T413] ? clear_bhb_loop+0x50/0xa0 [ 43.661926][ T413] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 43.667876][ T413] RIP: 0033:0x7f25b339c999 [ 43.672298][ T413] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 43.692368][ T413] RSP: 002b:00007f25b2f1f078 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 43.700875][ T413] RAX: ffffffffffffffda RBX: 00007f25b34bbf80 RCX: 00007f25b339c999 [ 43.708968][ T413] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000100000 [ 43.716949][ T413] RBP: 00007f25b2f1f120 R08: 0000000000000000 R09: 0000000000000000 [ 43.725508][ T413] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 43.733574][ T413] R13: 000000000000000b R14: 00007f25b34bbf80 R15: 00007ffca678d208 [ 43.741753][ T413] [ 43.744791][ T415] CPU: 1 PID: 415 Comm: syz-executor.5 Not tainted syzkaller #0 [ 43.752654][ T415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 43.762970][ T415] Call Trace: [ 43.766261][ T415] [ 43.769200][ T415] __dump_stack+0x21/0x30 [ 43.773714][ T415] dump_stack_lvl+0xee/0x150 [ 43.778567][ T415] ? show_regs_print_info+0x20/0x20 [ 43.783863][ T415] ? avc_denied+0x1b0/0x1b0 [ 43.788380][ T415] dump_stack+0x15/0x20 [ 43.792551][ T415] should_fail+0x3c1/0x510 [ 43.796985][ T415] __should_failslab+0xa4/0xe0 [ 43.801768][ T415] should_failslab+0x9/0x20 [ 43.806511][ T415] slab_pre_alloc_hook+0x3b/0xe0 [ 43.811459][ T415] ? vm_area_dup+0x26/0x210 [ 43.815965][ T415] kmem_cache_alloc+0x44/0x260 [ 43.820845][ T415] vm_area_dup+0x26/0x210 [ 43.825175][ T415] copy_mm+0x93a/0x13a0 [ 43.829531][ T415] ? copy_signal+0x600/0x600 [ 43.834203][ T415] ? __init_rwsem+0xfc/0x1d0 [ 43.838793][ T415] ? copy_signal+0x4cb/0x600 [ 43.843372][ T415] copy_process+0x115c/0x3210 [ 43.848056][ T415] ? __kasan_check_write+0x14/0x20 [ 43.853160][ T415] ? __pidfd_prepare+0x150/0x150 [ 43.858095][ T415] ? security_file_permission+0x83/0xa0 [ 43.863661][ T415] kernel_clone+0x23f/0x940 [ 43.868161][ T415] ? create_io_thread+0x130/0x130 [ 43.873257][ T415] ? __kasan_check_write+0x14/0x20 [ 43.878414][ T415] ? mutex_unlock+0x89/0x220 [ 43.883221][ T415] __x64_sys_clone+0x176/0x1d0 [ 43.888090][ T415] ? __kasan_check_write+0x14/0x20 [ 43.893214][ T415] ? __ia32_sys_vfork+0xf0/0xf0 [ 43.898070][ T415] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 43.904382][ T415] x64_sys_call+0x41f/0x9a0 [ 43.909017][ T415] do_syscall_64+0x4c/0xa0 [ 43.913641][ T415] ? clear_bhb_loop+0x50/0xa0 [ 43.918404][ T415] ? clear_bhb_loop+0x50/0xa0 [ 43.923078][ T415] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 43.929149][ T415] RIP: 0033:0x7f86d38ef999 [ 43.933837][ T415] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 43.953598][ T415] RSP: 002b:00007f86d3472078 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 43.962020][ T415] RAX: ffffffffffffffda RBX: 00007f86d3a0ef80 RCX: 00007f86d38ef999 [ 43.970000][ T415] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000100000 [ 43.978052][ T415] RBP: 00007f86d3472120 R08: 0000000000000000 R09: 0000000000000000 [ 43.986041][ T415] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 43.994281][ T415] R13: 000000000000000b R14: 00007f86d3a0ef80 R15: 00007ffed99003a8 [ 44.002392][ T415] [ 44.017862][ T419] FAULT_INJECTION: forcing a failure. [ 44.017862][ T419] name failslab, interval 1, probability 0, space 0, times 0 [ 44.031721][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 44.038821][ T419] CPU: 0 PID: 419 Comm: syz-executor.4 Not tainted syzkaller #0 [ 44.039710][ T421] FAULT_INJECTION: forcing a failure. [ 44.039710][ T421] name failslab, interval 1, probability 0, space 0, times 0 [ 44.046806][ T419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 44.046820][ T419] Call Trace: [ 44.046831][ T419] [ 44.046838][ T419] __dump_stack+0x21/0x30 [ 44.066298][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 44.069473][ T419] dump_stack_lvl+0xee/0x150 [ 44.073134][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 44.075694][ T419] ? show_regs_print_info+0x20/0x20 [ 44.080350][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 44.087312][ T419] ? avc_denied+0x1b0/0x1b0 [ 44.087340][ T419] dump_stack+0x15/0x20 [ 44.087359][ T419] should_fail+0x3c1/0x510 [ 44.087379][ T419] __should_failslab+0xa4/0xe0 [ 44.087401][ T419] should_failslab+0x9/0x20 [ 44.087421][ T419] slab_pre_alloc_hook+0x3b/0xe0 [ 44.087442][ T419] ? vm_area_dup+0x26/0x210 [ 44.087463][ T419] kmem_cache_alloc+0x44/0x260 [ 44.087482][ T419] vm_area_dup+0x26/0x210 [ 44.154820][ T419] copy_mm+0x93a/0x13a0 [ 44.158992][ T419] ? copy_signal+0x600/0x600 [ 44.163761][ T419] ? __init_rwsem+0xfc/0x1d0 [ 44.168358][ T419] ? copy_signal+0x4cb/0x600 [ 44.172958][ T419] copy_process+0x115c/0x3210 [ 44.177642][ T419] ? __kasan_check_write+0x14/0x20 [ 44.182758][ T419] ? __pidfd_prepare+0x150/0x150 [ 44.187703][ T419] ? security_file_permission+0x83/0xa0 [ 44.193346][ T419] kernel_clone+0x23f/0x940 [ 44.197867][ T419] ? create_io_thread+0x130/0x130 [ 44.202896][ T419] ? __kasan_check_write+0x14/0x20 [ 44.208013][ T419] ? mutex_unlock+0x89/0x220 [ 44.212606][ T419] __x64_sys_clone+0x176/0x1d0 [ 44.217375][ T419] ? __kasan_check_write+0x14/0x20 [ 44.222581][ T419] ? __ia32_sys_vfork+0xf0/0xf0 [ 44.227527][ T419] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 44.233636][ T419] x64_sys_call+0x41f/0x9a0 [ 44.238149][ T419] do_syscall_64+0x4c/0xa0 [ 44.242587][ T419] ? clear_bhb_loop+0x50/0xa0 [ 44.247281][ T419] ? clear_bhb_loop+0x50/0xa0 [ 44.252455][ T419] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 44.258471][ T419] RIP: 0033:0x7f25b339c999 [ 44.262904][ T419] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 44.282685][ T419] RSP: 002b:00007f25b2f1f078 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 44.291374][ T419] RAX: ffffffffffffffda RBX: 00007f25b34bbf80 RCX: 00007f25b339c999 [ 44.299390][ T419] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000100000 [ 44.307363][ T419] RBP: 00007f25b2f1f120 R08: 0000000000000000 R09: 0000000000000000 [ 44.315346][ T419] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 44.323320][ T419] R13: 000000000000000b R14: 00007f25b34bbf80 R15: 00007ffca678d208 [ 44.331296][ T419] [ 44.339501][ T421] CPU: 0 PID: 421 Comm: syz-executor.1 Not tainted syzkaller #0 [ 44.345140][ T345] device veth0_vlan entered promiscuous mode [ 44.347298][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 44.363889][ T421] Call Trace: [ 44.367181][ T421] [ 44.370116][ T421] __dump_stack+0x21/0x30 [ 44.374490][ T421] dump_stack_lvl+0xee/0x150 [ 44.379114][ T421] ? show_regs_print_info+0x20/0x20 [ 44.384342][ T421] dump_stack+0x15/0x20 [ 44.386543][ T423] FAULT_INJECTION: forcing a failure. [ 44.386543][ T423] name failslab, interval 1, probability 0, space 0, times 0 [ 44.388558][ T421] should_fail+0x3c1/0x510 [ 44.406041][ T421] __should_failslab+0xa4/0xe0 [ 44.410829][ T421] should_failslab+0x9/0x20 [ 44.415355][ T421] slab_pre_alloc_hook+0x3b/0xe0 [ 44.420572][ T421] ? anon_vma_fork+0x200/0x510 [ 44.425440][ T421] kmem_cache_alloc+0x44/0x260 [ 44.430315][ T421] anon_vma_fork+0x200/0x510 [ 44.435034][ T421] copy_mm+0x9d1/0x13a0 [ 44.439206][ T421] ? copy_signal+0x600/0x600 [ 44.443819][ T421] ? __init_rwsem+0xfc/0x1d0 [ 44.448517][ T421] ? copy_signal+0x4cb/0x600 [ 44.453221][ T421] copy_process+0x115c/0x3210 [ 44.457953][ T421] ? __kasan_check_write+0x14/0x20 [ 44.463094][ T421] ? __pidfd_prepare+0x150/0x150 [ 44.468169][ T421] ? security_file_permission+0x83/0xa0 [ 44.473769][ T421] kernel_clone+0x23f/0x940 [ 44.478302][ T421] ? create_io_thread+0x130/0x130 [ 44.483521][ T421] ? __kasan_check_write+0x14/0x20 [ 44.488646][ T421] ? mutex_unlock+0x89/0x220 [ 44.493360][ T421] __x64_sys_clone+0x176/0x1d0 [ 44.498166][ T421] ? __kasan_check_write+0x14/0x20 [ 44.503376][ T421] ? __ia32_sys_vfork+0xf0/0xf0 [ 44.508246][ T421] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 44.514327][ T421] x64_sys_call+0x41f/0x9a0 [ 44.518923][ T421] do_syscall_64+0x4c/0xa0 [ 44.523346][ T421] ? clear_bhb_loop+0x50/0xa0 [ 44.528031][ T421] ? clear_bhb_loop+0x50/0xa0 [ 44.532743][ T421] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 44.538648][ T421] RIP: 0033:0x7f8b863f0999 [ 44.543071][ T421] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 44.563127][ T421] RSP: 002b:00007f8b85f73078 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 44.571644][ T421] RAX: ffffffffffffffda RBX: 00007f8b8650ff80 RCX: 00007f8b863f0999 [ 44.579850][ T421] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000100000 [ 44.587839][ T421] RBP: 00007f8b85f73120 R08: 0000000000000000 R09: 0000000000000000 [ 44.595828][ T421] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 44.603810][ T421] R13: 000000000000000b R14: 00007f8b8650ff80 R15: 00007ffdafa94bb8 [ 44.612070][ T421] [ 44.615092][ T423] CPU: 1 PID: 423 Comm: syz-executor.5 Not tainted syzkaller #0 [ 44.622755][ T423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 44.632866][ T423] Call Trace: [ 44.635134][ T421] ------------[ cut here ]------------ [ 44.636176][ T423] [ 44.636184][ T423] __dump_stack+0x21/0x30 [ 44.641720][ T421] refcount_t: underflow; use-after-free. [ 44.644597][ T423] dump_stack_lvl+0xee/0x150 [ 44.644622][ T423] ? show_regs_print_info+0x20/0x20 [ 44.649177][ T421] WARNING: CPU: 0 PID: 421 at lib/refcount.c:28 refcount_warn_saturate+0x120/0x1a0 [ 44.654643][ T423] dump_stack+0x15/0x20 [ 44.654673][ T423] should_fail+0x3c1/0x510 [ 44.654692][ T423] __should_failslab+0xa4/0xe0 [ 44.654713][ T423] should_failslab+0x9/0x20 [ 44.654732][ T423] slab_pre_alloc_hook+0x3b/0xe0 [ 44.654752][ T423] ? anon_vma_fork+0x200/0x510 [ 44.654768][ T423] kmem_cache_alloc+0x44/0x260 [ 44.654788][ T423] anon_vma_fork+0x200/0x510 [ 44.654806][ T423] copy_mm+0x9d1/0x13a0 [ 44.654825][ T423] ? copy_signal+0x600/0x600 [ 44.659488][ T421] Modules linked in: [ 44.664790][ T423] ? __init_rwsem+0xfc/0x1d0 [ 44.664815][ T423] ? copy_signal+0x4cb/0x600 [ 44.664832][ T423] copy_process+0x115c/0x3210 [ 44.664857][ T423] ? __kasan_check_write+0x14/0x20 [ 44.674505][ T421] [ 44.678303][ T423] ? __pidfd_prepare+0x150/0x150 [ 44.683002][ T421] CPU: 0 PID: 421 Comm: syz-executor.1 Not tainted syzkaller #0 [ 44.687503][ T423] ? security_file_permission+0x83/0xa0 [ 44.687531][ T423] kernel_clone+0x23f/0x940 [ 44.692104][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 44.697040][ T423] ? create_io_thread+0x130/0x130 [ 44.697064][ T423] ? __kasan_check_write+0x14/0x20 [ 44.701867][ T421] RIP: 0010:refcount_warn_saturate+0x120/0x1a0 [ 44.706573][ T423] ? mutex_unlock+0x89/0x220 [ 44.706595][ T423] __x64_sys_clone+0x176/0x1d0 [ 44.712056][ T421] Code: 04 01 48 c7 c7 80 0d 63 85 e8 9c b6 53 02 0f 0b eb c3 e8 43 98 1c ff c6 05 7e e6 99 04 01 48 c7 c7 e0 0d 63 85 e8 80 b6 53 02 <0f> 0b eb a7 e8 27 98 1c ff c6 05 5f e6 99 04 01 48 c7 c7 20 0d 63 [ 44.716079][ T423] ? __kasan_check_write+0x14/0x20 [ 44.716111][ T423] ? __ia32_sys_vfork+0xf0/0xf0 [ 44.720754][ T421] RSP: 0018:ffffc90001267928 EFLAGS: 00010246 [ 44.724695][ T423] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 44.724725][ T423] x64_sys_call+0x41f/0x9a0 [ 44.724746][ T423] do_syscall_64+0x4c/0xa0 [ 44.729451][ T421] [ 44.733991][ T423] ? clear_bhb_loop+0x50/0xa0 [ 44.734010][ T423] ? clear_bhb_loop+0x50/0xa0 [ 44.734027][ T423] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 44.734048][ T423] RIP: 0033:0x7f86d38ef999 [ 44.734064][ T423] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 44.734079][ T423] RSP: 002b:00007f86d3472078 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 44.905680][ T423] RAX: ffffffffffffffda RBX: 00007f86d3a0ef80 RCX: 00007f86d38ef999 [ 44.913779][ T423] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000100000 [ 44.921759][ T423] RBP: 00007f86d3472120 R08: 0000000000000000 R09: 0000000000000000 [ 44.929733][ T423] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 44.937708][ T423] R13: 000000000000000b R14: 00007f86d3a0ef80 R15: 00007ffed99003a8 [ 44.945694][ T423] [ 44.952998][ T425] FAULT_INJECTION: forcing a failure. [ 44.952998][ T425] name failslab, interval 1, probability 0, space 0, times 0 [ 44.953531][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 44.971520][ T427] BUG: unable to handle page fault for address: ffffed1800000008 [ 44.973827][ T421] RAX: ef80fe0edb277500 RBX: 0000000000000003 RCX: ffff888111e1e2c0 [ 44.981152][ T427] #PF: supervisor read access in kernel mode [ 44.981163][ T427] #PF: error_code(0x0000) - not-present page [ 44.981174][ T427] PGD 23fff2067 P4D 23fff2067 PUD 0 [ 44.996609][ T421] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 45.001349][ T427] [ 45.001356][ T427] Oops: 0000 [#1] PREEMPT SMP KASAN [ 45.001374][ T427] CPU: 0 PID: 427 Comm: syz-executor.3 Not tainted syzkaller #0 [ 45.007166][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 45.014641][ T427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 45.014657][ T427] RIP: 0010:__rb_insert_augmented+0xa9/0x720 [ 45.017055][ T421] RBP: ffffc90001267938 R08: 0000000000000004 R09: 0000000000000003 [ 45.022475][ T427] Code: 3a ff 49 8b 07 a8 01 0f 85 53 06 00 00 4c 89 65 c8 48 89 45 d0 4c 8d 70 08 4c 89 f3 48 c1 eb 03 48 b8 00 00 00 00 00 fc ff df <80> 3c 03 00 74 08 4c 89 f7 e8 49 9d 3a ff 4d 8b 26 4d 39 fc 74 34 [ 45.022493][ T427] RSP: 0018:ffffc900012d78c0 EFLAGS: 00010a02 [ 45.022510][ T427] RAX: dffffc0000000000 RBX: 1ffff11800000008 RCX: dffffc0000000000 [ 45.022524][ T427] RDX: ffffffff819b06e0 RSI: ffff88810d042c30 RDI: ffff88810df61ac0 [ 45.022538][ T427] RBP: ffffc900012d7920 R08: dffffc0000000000 R09: ffff88810df61ac8 [ 45.022552][ T427] R10: ffffed1021bec35b R11: 1ffff11021bec359 R12: ffff88810cb7e2a8 [ 45.022566][ T427] R13: 1ffff11024c63d33 R14: ffff88c000000040 R15: ffff88812631e998 [ 45.022580][ T427] FS: 00007fae4397e6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 45.022597][ T427] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.037276][ T339] device veth0_vlan entered promiscuous mode [ 45.037942][ T427] CR2: ffffed1800000008 CR3: 00000001283af000 CR4: 00000000003506b0 [ 45.048117][ T421] R10: fffff5200024ce84 R11: 1ffff9200024ce84 R12: 00000000812632ae [ 45.054008][ T427] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.054021][ T427] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.054034][ T427] Call Trace: [ 45.054040][ T427] [ 45.054048][ T427] ? clear_nonspinnable+0x60/0x60 [ 45.068181][ T345] device veth1_macvtap entered promiscuous mode [ 45.082066][ T427] ? anon_vma_interval_tree_iter_next+0x380/0x380 [ 45.082099][ T427] vma_interval_tree_insert_after+0x2a1/0x2b0 [ 45.101957][ T421] R13: ffff88810d7e90a0 R14: 0000000000000003 R15: ffff88812631e999 [ 45.104285][ T427] copy_mm+0xb20/0x13a0 [ 45.104313][ T427] ? copy_signal+0x600/0x600 [ 45.132207][ T421] FS: 00007f8b85f736c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 45.137562][ T427] ? __init_rwsem+0xfc/0x1d0 [ 45.137589][ T427] ? copy_signal+0x4cb/0x600 [ 45.137607][ T427] copy_process+0x115c/0x3210 [ 45.137632][ T427] ? __kasan_check_write+0x14/0x20 [ 45.137655][ T427] ? __pidfd_prepare+0x150/0x150 [ 45.137676][ T427] ? security_file_permission+0x83/0xa0 [ 45.137700][ T427] kernel_clone+0x23f/0x940 [ 45.137722][ T427] ? create_io_thread+0x130/0x130 [ 45.150175][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 45.150283][ T427] ? __kasan_check_write+0x14/0x20 [ 45.171881][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 45.174992][ T427] ? mutex_unlock+0x89/0x220 [ 45.175024][ T427] __x64_sys_clone+0x176/0x1d0 [ 45.175046][ T427] ? __kasan_check_write+0x14/0x20 [ 45.175067][ T427] ? __ia32_sys_vfork+0xf0/0xf0 [ 45.175091][ T427] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 45.175115][ T427] x64_sys_call+0x41f/0x9a0 [ 45.175135][ T427] do_syscall_64+0x4c/0xa0 [ 45.175165][ T427] ? clear_bhb_loop+0x50/0xa0 [ 45.175182][ T427] ? clear_bhb_loop+0x50/0xa0 [ 45.175198][ T427] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 45.184160][ T421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.186448][ T427] RIP: 0033:0x7fae43dfb999 [ 45.186468][ T427] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 45.189541][ T421] CR2: 0000555577fdc430 CR3: 00000001281b8000 CR4: 00000000003506a0 [ 45.194617][ T427] RSP: 002b:00007fae4397e078 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 45.194639][ T427] RAX: ffffffffffffffda RBX: 00007fae43f1af80 RCX: 00007fae43dfb999 [ 45.194653][ T427] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000100000 [ 45.194664][ T427] RBP: 00007fae4397e120 R08: 0000000000000000 R09: 0000000000000000 [ 45.194675][ T427] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 45.194686][ T427] R13: 000000000000000b R14: 00007fae43f1af80 R15: 00007ffe2e22b3b8 [ 45.194702][ T427] [ 45.194708][ T427] Modules linked in: [ 45.201964][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 45.207546][ T427] [ 45.207569][ T427] CR2: ffffed1800000008 [ 45.229115][ T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.230546][ T427] ---[ end trace 2cdf28e6ec31ca5c ]--- [ 45.230562][ T427] RIP: 0010:__rb_insert_augmented+0xa9/0x720 [ 45.255275][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.259355][ T427] Code: 3a ff 49 8b 07 a8 01 0f 85 53 06 00 00 4c 89 65 c8 48 89 45 d0 4c 8d 70 08 4c 89 f3 48 c1 eb 03 48 b8 00 00 00 00 00 fc ff df <80> 3c 03 00 74 08 4c 89 f7 e8 49 9d 3a ff 4d 8b 26 4d 39 fc 74 34 [ 45.259375][ T427] RSP: 0018:ffffc900012d78c0 EFLAGS: 00010a02 [ 45.259394][ T427] RAX: dffffc0000000000 RBX: 1ffff11800000008 RCX: dffffc0000000000 [ 45.259409][ T427] RDX: ffffffff819b06e0 RSI: ffff88810d042c30 RDI: ffff88810df61ac0 [ 45.259424][ T427] RBP: ffffc900012d7920 R08: dffffc0000000000 R09: ffff88810df61ac8 [ 45.259437][ T427] R10: ffffed1021bec35b R11: 1ffff11021bec359 R12: ffff88810cb7e2a8 [ 45.259452][ T427] R13: 1ffff11024c63d33 R14: ffff88c000000040 R15: ffff88812631e998 [ 45.259466][ T427] FS: 00007fae4397e6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 45.259483][ T427] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.259497][ T427] CR2: ffffed1800000008 CR3: 00000001283af000 CR4: 00000000003506b0 [ 45.259515][ T427] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.259526][ T427] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.259541][ T427] Kernel panic - not syncing: Fatal exception [ 45.259754][ T427] Kernel Offset: disabled [ 45.602950][ T427] Rebooting in 86400 seconds..