Warning: Permanently added '10.128.1.75' (ED25519) to the list of known hosts.
2026/08/14 03:30:04 parsed 1 programs
2026/08/14 03:30:04 serving rpc on tcp://39857
[ 41.250066][ T30] kauditd_printk_skb: 31 callbacks suppressed
Setting up swapspace version 1, size = 127995904 bytes
[ 41.250081][ T30] audit: type=1400 audit(1786678205.416:105): avc: denied { unlink } for pid=410 comm="syz-executor" name="swap-file" dev="sda1" ino=2027 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t"
[ 41.344276][ T410] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 41.869668][ T30] audit: type=1400 audit(1786678206.036:106): avc: denied { create } for pid=419 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1
[ 42.427055][ T30] audit: type=1401 audit(1786678206.586:107): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768"
[ 42.485024][ T454] bridge0: port 1(bridge_slave_0) entered blocking state
[ 42.493184][ T454] bridge0: port 1(bridge_slave_0) entered disabled state
[ 42.501683][ T454] device bridge_slave_0 entered promiscuous mode
[ 42.511980][ T454] bridge0: port 2(bridge_slave_1) entered blocking state
[ 42.519802][ T454] bridge0: port 2(bridge_slave_1) entered disabled state
[ 42.527740][ T454] device bridge_slave_1 entered promiscuous mode
[ 42.583217][ T454] bridge0: port 2(bridge_slave_1) entered blocking state
[ 42.591688][ T454] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 42.599812][ T454] bridge0: port 1(bridge_slave_0) entered blocking state
[ 42.607185][ T454] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 42.628598][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 42.636763][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 42.644749][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 42.654695][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 42.663182][ T8] bridge0: port 1(bridge_slave_0) entered blocking state
[ 42.670501][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 42.680231][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 42.688993][ T8] bridge0: port 2(bridge_slave_1) entered blocking state
[ 42.697064][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 42.716445][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 42.728709][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 42.751594][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 42.765340][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 42.776719][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 42.788840][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 42.802384][ T454] device veth0_vlan entered promiscuous mode
[ 42.824194][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 42.836966][ T454] device veth1_macvtap entered promiscuous mode
[ 42.849723][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 42.868486][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
2026/08/14 03:30:07 executed programs: 0
[ 43.445055][ T472] bridge0: port 1(bridge_slave_0) entered blocking state
[ 43.453821][ T472] bridge0: port 1(bridge_slave_0) entered disabled state
[ 43.461756][ T472] device bridge_slave_0 entered promiscuous mode
[ 43.473602][ T472] bridge0: port 2(bridge_slave_1) entered blocking state
[ 43.481930][ T472] bridge0: port 2(bridge_slave_1) entered disabled state
[ 43.491060][ T472] device bridge_slave_1 entered promiscuous mode
[ 43.549103][ T472] bridge0: port 2(bridge_slave_1) entered blocking state
[ 43.559060][ T472] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 43.569351][ T472] bridge0: port 1(bridge_slave_0) entered blocking state
[ 43.578170][ T472] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 43.607126][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 43.616169][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 43.626251][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 43.646345][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 43.656482][ T8] bridge0: port 1(bridge_slave_0) entered blocking state
[ 43.666258][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 43.680747][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 43.690649][ T8] bridge0: port 2(bridge_slave_1) entered blocking state
[ 43.699850][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 43.719248][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 43.732971][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 43.755777][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 43.772010][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 43.783937][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 43.795579][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 43.809732][ T472] device veth0_vlan entered promiscuous mode
[ 43.822194][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 43.832773][ T472] device veth1_macvtap entered promiscuous mode
[ 43.841504][ T45] device bridge_slave_1 left promiscuous mode
[ 43.848542][ T45] bridge0: port 2(bridge_slave_1) entered disabled state
[ 43.858060][ T45] device bridge_slave_0 left promiscuous mode
[ 43.867426][ T45] bridge0: port 1(bridge_slave_0) entered disabled state
[ 43.876854][ T45] device veth1_macvtap left promiscuous mode
[ 43.887160][ T45] device veth0_vlan left promiscuous mode
[ 44.016054][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 44.027637][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 44.058219][ T30] audit: type=1400 audit(1786678208.216:108): avc: denied { mount } for pid=476 comm="syz.2.17" name="/" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=filesystem permissive=1
[ 44.059716][ T39] FAULT_INJECTION: forcing a failure.
[ 44.059716][ T39] name failslab, interval 1, probability 10, space 0, times 100
[ 44.090314][ T60] FAULT_INJECTION: forcing a failure.
[ 44.090314][ T60] name failslab, interval 1, probability 10, space 0, times 100
[ 44.094816][ T39] CPU: 1 PID: 39 Comm: kworker/1:1 Not tainted syzkaller #0
[ 44.109374][ T90] FAULT_INJECTION: forcing a failure.
[ 44.109374][ T90] name failslab, interval 1, probability 10, space 0, times 100
[ 44.116659][ T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 44.147205][ T39] Workqueue: ipv6_addrconf addrconf_dad_work
[ 44.157540][ T39] Call Trace:
[ 44.163278][ T39]
[ 44.167762][ T39] __dump_stack+0x21/0x30
[ 44.175812][ T39] dump_stack_lvl+0x110/0x170
[ 44.186302][ T39] ? show_regs_print_info+0x20/0x20
[ 44.194287][ T39] ? prandom_u32+0x24d/0x290
[ 44.201083][ T39] dump_stack+0x15/0x20
[ 44.207338][ T39] should_fail+0x3ab/0x500
[ 44.213027][ T39] __should_failslab+0xa4/0xe0
[ 44.218605][ T39] should_failslab+0x9/0x20
[ 44.223432][ T39] slab_pre_alloc_hook+0x39/0xd0
[ 44.228545][ T39] __kmalloc+0x6d/0x2c0
[ 44.232745][ T39] ? ___neigh_create+0x6fb/0x1c50
[ 44.238832][ T39] ___neigh_create+0x6fb/0x1c50
[ 44.244246][ T39] ? arch_stack_walk+0x108/0x140
[ 44.249303][ T39] __neigh_create+0x31/0x40
[ 44.254457][ T39] ip6_finish_output2+0xae3/0x1790
[ 44.260980][ T39] ? __ip6_finish_output+0x7e0/0x7e0
[ 44.266892][ T39] ? ip6t_do_table+0x1355/0x1510
[ 44.272061][ T39] __ip6_finish_output+0x621/0x7e0
[ 44.277521][ T39] ip6_finish_output+0x31/0x220
[ 44.283015][ T39] ? ip6_output+0x3ea/0x410
[ 44.288311][ T39] ip6_output+0x1fa/0x410
[ 44.293151][ T39] ? ac6_seq_show+0xf0/0xf0
[ 44.298737][ T39] ? ip6_output+0x410/0x410
[ 44.303583][ T39] ndisc_send_skb+0x7f6/0xcf0
[ 44.309306][ T39] ? ndisc_alloc_skb+0x290/0x290
[ 44.315030][ T39] ? ndisc_error_report+0xc0/0xc0
[ 44.320293][ T39] ? skb_put+0x10a/0x1f0
[ 44.324767][ T39] ndisc_send_ns+0x879/0xb10
[ 44.329657][ T39] ? ndisc_send_skb+0xcf0/0xcf0
[ 44.335238][ T39] ? mod_delayed_work_on+0xa8/0xe0
[ 44.340477][ T39] addrconf_dad_work+0x9fa/0x1510
[ 44.345967][ T39] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 44.351799][ T39] ? __schedule+0xbd7/0x14a0
[ 44.356842][ T39] process_one_work+0x6c8/0xbb0
[ 44.362168][ T39] worker_thread+0xaa0/0x1250
[ 44.368536][ T39] ? __kasan_check_read+0x11/0x20
[ 44.374386][ T39] kthread+0x3f5/0x4f0
[ 44.378957][ T39] ? worker_clr_flags+0x190/0x190
[ 44.384449][ T39] ? kthread_blkcg+0xd0/0xd0
[ 44.389277][ T39] ret_from_fork+0x1f/0x30
[ 44.394004][ T39]
[ 44.398445][ T90] CPU: 0 PID: 90 Comm: klogd Not tainted syzkaller #0
[ 44.406109][ T472] FAULT_INJECTION: forcing a failure.
[ 44.406109][ T472] name failslab, interval 1, probability 10, space 0, times 99
[ 44.408750][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 44.443338][ T90] Call Trace:
[ 44.447273][ T90]
[ 44.451520][ T90] __dump_stack+0x21/0x30
[ 44.457685][ T90] dump_stack_lvl+0x110/0x170
[ 44.463925][ T90] ? show_regs_print_info+0x20/0x20
[ 44.469805][ T90] ? prandom_u32+0x24d/0x290
[ 44.475827][ T90] dump_stack+0x15/0x20
[ 44.481608][ T90] should_fail+0x3ab/0x500
[ 44.487196][ T90] __should_failslab+0xa4/0xe0
[ 44.492437][ T90] should_failslab+0x9/0x20
[ 44.496988][ T90] slab_pre_alloc_hook+0x39/0xd0
[ 44.502076][ T90] ? __alloc_skb+0xe4/0x730
[ 44.506968][ T90] kmem_cache_alloc+0x44/0x260
[ 44.512658][ T90] __alloc_skb+0xe4/0x730
[ 44.517203][ T90] alloc_skb_with_frags+0xa8/0x620
[ 44.522951][ T90] ? memcpy+0x56/0x70
[ 44.527327][ T90] sock_alloc_send_pskb+0x87f/0x9a0
[ 44.532833][ T90] ? sock_kzfree_s+0x60/0x60
[ 44.537487][ T90] ? __kasan_check_write+0x14/0x20
[ 44.543051][ T90] ? _raw_spin_lock+0x94/0xf0
[ 44.548138][ T90] ? _raw_spin_trylock_bh+0x150/0x150
[ 44.553903][ T90] unix_dgram_sendmsg+0x6f3/0x19b0
[ 44.559147][ T90] ? unix_dgram_poll+0x6c0/0x6c0
[ 44.564359][ T90] ? security_socket_sendmsg+0x82/0xa0
[ 44.570805][ T90] __sys_sendto+0x46d/0x620
[ 44.577035][ T90] ? __ia32_sys_getpeername+0x90/0x90
[ 44.585121][ T90] __x64_sys_sendto+0xe5/0x100
[ 44.590282][ T90] x64_sys_call+0x178/0x9a0
[ 44.595521][ T90] do_syscall_64+0x4c/0xa0
[ 44.600225][ T90] ? clear_bhb_loop+0x50/0xa0
[ 44.605643][ T90] ? clear_bhb_loop+0x50/0xa0
[ 44.610493][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 44.616844][ T90] RIP: 0033:0x7f7074fb0407
[ 44.621445][ T90] 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
[ 44.642147][ T90] RSP: 002b:00007fffd0776380 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 44.653204][ T90] RAX: ffffffffffffffda RBX: 00007f7074e60c80 RCX: 00007f7074fb0407
[ 44.662696][ T90] RDX: 0000000000000055 RSI: 00007fffd07764c0 RDI: 0000000000000003
[ 44.674515][ T90] RBP: 00007fffd07768f0 R08: 0000000000000000 R09: 0000000000000000
[ 44.684883][ T90] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fffd0776908
[ 44.694878][ T90] R13: 00007fffd07764c0 R14: 000000000000003a R15: 00007fffd07764c0
[ 44.704258][ T90]
[ 44.707825][ T472] CPU: 1 PID: 472 Comm: syz-executor Not tainted syzkaller #0
[ 44.715593][ T472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 44.726802][ T472] Call Trace:
[ 44.730734][ T472]
[ 44.734411][ T472] __dump_stack+0x21/0x30
[ 44.739066][ T472] dump_stack_lvl+0x110/0x170
[ 44.743805][ T472] ? show_regs_print_info+0x20/0x20
[ 44.749519][ T472] ? prandom_u32+0x24d/0x290
[ 44.754527][ T472] dump_stack+0x15/0x20
[ 44.758970][ T472] should_fail+0x3ab/0x500
[ 44.764093][ T472] __should_failslab+0xa4/0xe0
[ 44.769734][ T472] should_failslab+0x9/0x20
[ 44.774451][ T472] slab_pre_alloc_hook+0x39/0xd0
[ 44.779673][ T472] ? __alloc_file+0x28/0x2a0
[ 44.784324][ T472] kmem_cache_alloc+0x44/0x260
[ 44.789381][ T472] __alloc_file+0x28/0x2a0
[ 44.793832][ T472] alloc_empty_file+0x97/0x180
[ 44.799055][ T472] path_openat+0xf4/0x2f80
[ 44.803824][ T472] ? __stack_depot_save+0x34/0x480
[ 44.809163][ T472] ? __kasan_slab_alloc+0xc9/0xe0
[ 44.814888][ T472] ? __kasan_slab_alloc+0xb7/0xe0
[ 44.820129][ T472] ? slab_post_alloc_hook+0x4f/0x2b0
[ 44.826755][ T472] ? kmem_cache_alloc+0xf7/0x260
[ 44.833598][ T472] ? getname_flags+0xba/0x510
[ 44.838779][ T472] ? getname+0x19/0x20
[ 44.843409][ T472] ? do_sys_openat2+0xeb/0x7f0
[ 44.849445][ T472] ? __x64_sys_openat+0x136/0x160
[ 44.855598][ T472] ? x64_sys_call+0x219/0x9a0
[ 44.860555][ T472] ? do_syscall_64+0x4c/0xa0
[ 44.865540][ T472] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 44.872198][ T472] ? do_filp_open+0x400/0x400
[ 44.877099][ T472] do_filp_open+0x1df/0x400
[ 44.882238][ T472] ? vfs_tmpfile+0x2d0/0x2d0
[ 44.886970][ T472] do_sys_openat2+0x15e/0x7f0
[ 44.891697][ T472] ? user_path_at_empty+0x162/0x1c0
[ 44.897678][ T472] ? kmem_cache_free+0x100/0x320
[ 44.907333][ T472] ? namespace_unlock+0x440/0x440
[ 44.914817][ T472] ? do_sys_open+0xe0/0xe0
[ 44.920083][ T472] ? __x64_sys_umount+0x12d/0x170
[ 44.926746][ T472] __x64_sys_openat+0x136/0x160
[ 44.933725][ T472] x64_sys_call+0x219/0x9a0
[ 44.941577][ T472] do_syscall_64+0x4c/0xa0
[ 44.947446][ T472] ? clear_bhb_loop+0x50/0xa0
[ 44.952979][ T472] ? clear_bhb_loop+0x50/0xa0
[ 44.957887][ T472] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 44.965403][ T472] RIP: 0033:0x7f9802ef81bc
[ 44.970348][ T472] Code: 4c 89 54 24 18 41 89 f2 41 83 e2 40 75 40 89 f0 f7 d0 a9 00 00 41 00 74 35 89 f2 b8 01 01 00 00 48 89 fe bf 9c ff ff ff 0f 05 <48> 3d 00 f0 ff ff 77 44 48 8b 54 24 18 64 48 2b 14 25 28 00 00 00
[ 44.993275][ T472] RSP: 002b:00007ffd8176e770 EFLAGS: 00000206 ORIG_RAX: 0000000000000101
[ 45.002357][ T472] RAX: ffffffffffffffda RBX: 00007f9802f8e30a RCX: 00007f9802ef81bc
[ 45.010493][ T472] RDX: 0000000000090800 RSI: 00007ffd8176f920 RDI: 00000000ffffff9c
[ 45.019153][ T472] RBP: 00007ffd8176f90c R08: 0000000000000000 R09: 0000000000000000
[ 45.028520][ T472] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd8176f920
[ 45.037364][ T472] R13: 00007f9802f8e30a R14: 000000000000ad2a R15: 00007ffd8176f960
[ 45.045662][ T472]
[ 45.051701][ T60] CPU: 0 PID: 60 Comm: kworker/0:2 Not tainted syzkaller #0
[ 45.052276][ T2] FAULT_INJECTION: forcing a failure.
[ 45.052276][ T2] name failslab, interval 1, probability 10, space 0, times 99
[ 45.059620][ T60] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 45.059640][ T60] Workqueue: mld mld_ifc_work
[ 45.059666][ T60] Call Trace:
[ 45.059672][ T60]
[ 45.095031][ T60] __dump_stack+0x21/0x30
[ 45.099772][ T60] dump_stack_lvl+0x110/0x170
[ 45.105149][ T60] ? show_regs_print_info+0x20/0x20
[ 45.105432][ T39] FAULT_INJECTION: forcing a failure.
[ 45.105432][ T39] name failslab, interval 1, probability 10, space 0, times 99
[ 45.110764][ T60] ? prandom_u32+0x24d/0x290
[ 45.110796][ T60] dump_stack+0x15/0x20
[ 45.110816][ T60] should_fail+0x3ab/0x500
[ 45.110836][ T60] __should_failslab+0xa4/0xe0
[ 45.143707][ T60] should_failslab+0x9/0x20
[ 45.148446][ T60] slab_pre_alloc_hook+0x39/0xd0
[ 45.154251][ T60] kmem_cache_alloc_trace+0x48/0x270
[ 45.160344][ T60] ? dst_cow_metrics_generic+0x55/0x1c0
[ 45.165916][ T60] dst_cow_metrics_generic+0x55/0x1c0
[ 45.171403][ T60] icmp6_dst_alloc+0x35f/0x520
[ 45.176654][ T60] mld_sendpack+0x4d9/0xba0
[ 45.181656][ T60] ? add_grec+0x1340/0x1340
[ 45.186828][ T60] ? add_grec+0xf70/0x1340
[ 45.191404][ T60] ? memcpy+0x56/0x70
[ 45.195595][ T60] ? wait_for_completion_killable_timeout+0x10/0x10
[ 45.202538][ T60] ? _raw_spin_unlock+0x4d/0x70
[ 45.207506][ T60] mld_ifc_work+0x7d7/0xc40
[ 45.212131][ T60] ? __schedule+0xbd7/0x14a0
[ 45.216740][ T60] process_one_work+0x6c8/0xbb0
[ 45.221725][ T60] worker_thread+0xaa0/0x1250
[ 45.226543][ T60] ? __kasan_check_read+0x11/0x20
[ 45.231814][ T60] kthread+0x3f5/0x4f0
[ 45.235935][ T60] ? worker_clr_flags+0x190/0x190
[ 45.240984][ T60] ? kthread_blkcg+0xd0/0xd0
[ 45.246111][ T60] ret_from_fork+0x1f/0x30
[ 45.250672][ T60]
[ 45.254161][ T39] CPU: 1 PID: 39 Comm: kworker/1:1 Not tainted syzkaller #0
[ 45.260139][ T401] FAULT_INJECTION: forcing a failure.
[ 45.260139][ T401] name failslab, interval 1, probability 10, space 0, times 98
[ 45.261707][ T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 45.285512][ T39] Workqueue: ipv6_addrconf addrconf_dad_work
[ 45.292151][ T39] Call Trace:
[ 45.295758][ T39]
[ 45.298721][ T39] __dump_stack+0x21/0x30
[ 45.303073][ T39] dump_stack_lvl+0x110/0x170
[ 45.307780][ T39] ? show_regs_print_info+0x20/0x20
[ 45.313005][ T39] ? prandom_u32+0x24d/0x290
[ 45.317849][ T39] dump_stack+0x15/0x20
[ 45.322034][ T39] should_fail+0x3ab/0x500
[ 45.326751][ T39] __should_failslab+0xa4/0xe0
[ 45.332176][ T39] should_failslab+0x9/0x20
[ 45.336725][ T39] slab_pre_alloc_hook+0x39/0xd0
[ 45.341790][ T39] ? dst_alloc+0x15c/0x1d0
[ 45.346408][ T39] kmem_cache_alloc+0x44/0x260
[ 45.351457][ T39] ? ipv6_sysctl_rtcache_flush+0x100/0x100
[ 45.357337][ T39] dst_alloc+0x15c/0x1d0
[ 45.361749][ T39] icmp6_dst_alloc+0xec/0x520
[ 45.367207][ T39] ? security_sk_classify_flow+0x7b/0x90
[ 45.373005][ T39] ? icmpv6_flow_init+0xd2/0x130
[ 45.377995][ T39] ndisc_send_skb+0x2a9/0xcf0
[ 45.383211][ T39] ? ndisc_alloc_skb+0x290/0x290
[ 45.388575][ T39] ? skb_put+0x10a/0x1f0
[ 45.393458][ T39] ndisc_send_ns+0x879/0xb10
[ 45.399028][ T39] ? ndisc_send_skb+0xcf0/0xcf0
[ 45.406416][ T39] ? mod_delayed_work_on+0xa8/0xe0
[ 45.415499][ T39] addrconf_dad_work+0x9fa/0x1510
[ 45.425123][ T39] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 45.432838][ T39] ? __kasan_check_write+0x14/0x20
[ 45.439580][ T39] ? _raw_spin_lock_irq+0x95/0xf0
[ 45.445862][ T39] ? _raw_spin_lock_irqsave+0x130/0x130
[ 45.454443][ T39] process_one_work+0x6c8/0xbb0
[ 45.460846][ T39] worker_thread+0xaa0/0x1250
[ 45.467547][ T39] ? __kasan_check_read+0x11/0x20
[ 45.474431][ T39] kthread+0x3f5/0x4f0
[ 45.479688][ T39] ? worker_clr_flags+0x190/0x190
[ 45.485255][ T39] ? kthread_blkcg+0xd0/0xd0
[ 45.490763][ T39] ret_from_fork+0x1f/0x30
[ 45.496897][ T39]
[ 45.499984][ T401] CPU: 0 PID: 401 Comm: syz-execprog Not tainted syzkaller #0
[ 45.510902][ T401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 45.521503][ T401] Call Trace:
[ 45.525063][ T401]
[ 45.528270][ T401] __dump_stack+0x21/0x30
[ 45.532852][ T401] dump_stack_lvl+0x110/0x170
[ 45.537787][ T401] ? show_regs_print_info+0x20/0x20
[ 45.543815][ T401] dump_stack+0x15/0x20
[ 45.548109][ T401] should_fail+0x3ab/0x500
[ 45.553325][ T401] ? sk_stream_alloc_skb+0x216/0xb70
[ 45.559065][ T401] __should_failslab+0xa4/0xe0
[ 45.564111][ T401] should_failslab+0x9/0x20
[ 45.571532][ T401] slab_pre_alloc_hook+0x39/0xd0
[ 45.578819][ T401] ? sk_stream_alloc_skb+0x216/0xb70
[ 45.585046][ T401] ? sk_stream_alloc_skb+0x216/0xb70
[ 45.591253][ T401] __kmalloc_track_caller+0x6c/0x2c0
[ 45.597227][ T401] ? sk_stream_alloc_skb+0x216/0xb70
[ 45.602755][ T401] ? sk_stream_alloc_skb+0x216/0xb70
[ 45.608266][ T401] __alloc_skb+0x210/0x730
[ 45.612803][ T401] sk_stream_alloc_skb+0x216/0xb70
[ 45.618229][ T401] tcp_sendmsg_locked+0xcbb/0x3330
[ 45.623589][ T401] ? _raw_spin_lock_irq+0xf0/0xf0
[ 45.629305][ T401] ? lock_sock_nested+0x217/0x2a0
[ 45.634814][ T401] ? tcp_free_fastopen_req+0x80/0x80
[ 45.642267][ T401] tcp_sendmsg+0x2f/0x50
[ 45.650026][ T401] inet6_sendmsg+0xa5/0xc0
[ 45.657048][ T401] sock_write_iter+0x2a6/0x3a0
[ 45.664311][ T401] ? sock_read_iter+0x380/0x380
[ 45.672599][ T401] ? memset+0x35/0x40
[ 45.679541][ T401] ? iov_iter_init+0xbc/0x180
[ 45.686931][ T401] vfs_write+0x831/0xfd0
[ 45.693365][ T401] ? file_end_write+0x1b0/0x1b0
[ 45.699303][ T401] ? __fget_files+0x2e1/0x340
[ 45.704135][ T401] ? __fdget_pos+0x1f7/0x380
[ 45.709267][ T401] ? ksys_write+0x70/0x260
[ 45.715298][ T401] ksys_write+0x14a/0x260
[ 45.720908][ T401] ? __ia32_sys_read+0x90/0x90
[ 45.726204][ T401] ? debug_smp_processor_id+0x17/0x20
[ 45.732896][ T401] __x64_sys_write+0x7b/0x90
[ 45.738197][ T401] x64_sys_call+0x8ef/0x9a0
[ 45.743558][ T401] do_syscall_64+0x4c/0xa0
[ 45.748446][ T401] ? clear_bhb_loop+0x50/0xa0
[ 45.754961][ T401] ? clear_bhb_loop+0x50/0xa0
[ 45.760963][ T401] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 45.768004][ T401] RIP: 0033:0x40d3ce
[ 45.772730][ T401] Code: ff cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 49 89 f2 48 89 fa 48 89 ce 48 89 df 0f 05 <48> 3d 01 f0 ff ff 76 15 48 f7 d8 48 89 c1 48 c7 c0 ff ff ff ff 48
[ 45.794785][ T401] RSP: 002b:0000104baec2f3b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000001
[ 45.803334][ T401] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000040d3ce
[ 45.812107][ T401] RDX: 0000000000000180 RSI: 0000104baf27c080 RDI: 0000000000000006
[ 45.820281][ T401] RBP: 0000104baec2f3f8 R08: 0000000000000000 R09: 0000000000000000
[ 45.828830][ T401] R10: 0000000000000000 R11: 0000000000000206 R12: 0000104baec2f528
[ 45.836955][ T401] R13: 00000000000000b0 R14: 0000104baf25af00 R15: 0000000000000162
[ 45.845252][ T401]
[ 45.848519][ T2] CPU: 1 PID: 2 Comm: kthreadd Not tainted syzkaller #0
[ 45.851216][ T60] FAULT_INJECTION: forcing a failure.
[ 45.851216][ T60] name failslab, interval 1, probability 10, space 0, times 97
[ 45.855717][ T2] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 45.882327][ T2] Call Trace:
[ 45.886018][ T2]
[ 45.889141][ T2] __dump_stack+0x21/0x30
[ 45.893647][ T2] dump_stack_lvl+0x110/0x170
[ 45.898791][ T2] ? show_regs_print_info+0x20/0x20
[ 45.905658][ T2] ? prandom_u32+0x24d/0x290
[ 45.911159][ T2] dump_stack+0x15/0x20
[ 45.915672][ T2] should_fail+0x3ab/0x500
[ 45.920393][ T2] __should_failslab+0xa4/0xe0
[ 45.925595][ T2] should_failslab+0x9/0x20
[ 45.930912][ T2] slab_pre_alloc_hook+0x39/0xd0
[ 45.936852][ T2] __kmalloc+0x6d/0x2c0
[ 45.941138][ T2] ? security_prepare_creds+0x4e/0x140
[ 45.948184][ T2] security_prepare_creds+0x4e/0x140
[ 45.954312][ T2] prepare_creds+0x428/0x610
[ 45.959045][ T2] copy_creds+0xe4/0x640
[ 45.963631][ T2] copy_process+0x7d5/0x3280
[ 45.969215][ T2] ? dequeue_task_fair+0x4a5/0x1e40
[ 45.975299][ T2] ? __pidfd_prepare+0x150/0x150
[ 45.981712][ T2] ? __switch_to+0x56c/0x1070
[ 45.987386][ T2] kernel_clone+0x233/0x960
[ 45.992551][ T2] ? create_io_thread+0x170/0x170
[ 45.997900][ T2] ? finish_task_switch+0x16b/0x790
[ 46.003151][ T2] ? kthread_blkcg+0xd0/0xd0
[ 46.007878][ T2] kernel_thread+0xfe/0x170
[ 46.012425][ T2] ? ptrace_event_pid+0x180/0x180
[ 46.017779][ T2] ? kthread_blkcg+0xd0/0xd0
[ 46.022879][ T2] ? _raw_spin_trylock_bh+0x150/0x150
[ 46.028563][ T2] ? __kasan_check_read+0x11/0x20
[ 46.033919][ T2] kthreadd+0x346/0x480
[ 46.038456][ T2] ? tokenize_frame_descr+0x93/0xc0
[ 46.044220][ T2] ? kthread_stop+0x3e0/0x3e0
[ 46.048963][ T2] ? _raw_spin_unlock_irq+0x4e/0x70
[ 46.054644][ T2] ? calculate_sigpending+0x7c/0x90
[ 46.059817][ T90] FAULT_INJECTION: forcing a failure.
[ 46.059817][ T90] name failslab, interval 1, probability 10, space 0, times 96
[ 46.060239][ T2] ? kthread_stop+0x3e0/0x3e0
[ 46.078557][ T2] ret_from_fork+0x1f/0x30
[ 46.083044][ T2]
[ 46.086086][ T60] CPU: 0 PID: 60 Comm: kworker/0:2 Not tainted syzkaller #0
[ 46.093593][ T60] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 46.103990][ T60] Workqueue: mld mld_ifc_work
[ 46.109227][ T60] Call Trace:
[ 46.112543][ T60]
[ 46.115674][ T60] __dump_stack+0x21/0x30
[ 46.120158][ T60] dump_stack_lvl+0x110/0x170
[ 46.125624][ T60] ? show_regs_print_info+0x20/0x20
[ 46.132801][ T60] ? prandom_u32+0x24d/0x290
[ 46.137521][ T60] dump_stack+0x15/0x20
[ 46.142400][ T60] should_fail+0x3ab/0x500
[ 46.147511][ T60] ? mld_newpack+0x143/0x9e0
[ 46.153769][ T60] __should_failslab+0xa4/0xe0
[ 46.159746][ T60] should_failslab+0x9/0x20
[ 46.165125][ T60] slab_pre_alloc_hook+0x39/0xd0
[ 46.172496][ T60] ? mld_newpack+0x143/0x9e0
[ 46.179159][ T60] ? mld_newpack+0x143/0x9e0
[ 46.184727][ T60] __kmalloc_track_caller+0x6c/0x2c0
[ 46.192697][ T60] ? mld_newpack+0x143/0x9e0
[ 46.199020][ T60] ? mld_newpack+0x143/0x9e0
[ 46.206435][ T60] __alloc_skb+0x210/0x730
[ 46.211457][ T60] mld_newpack+0x143/0x9e0
[ 46.216918][ T60] ? mld_sendpack+0xba0/0xba0
[ 46.221726][ T60] ? add_grec+0x1340/0x1340
[ 46.226392][ T60] ? add_grec+0xf70/0x1340
[ 46.231505][ T60] add_grec+0xee8/0x1340
[ 46.236628][ T60] ? wait_for_completion_killable_timeout+0x10/0x10
[ 46.244352][ T60] ? __kasan_check_write+0x14/0x20
[ 46.250923][ T60] mld_ifc_work+0x728/0xc40
[ 46.256197][ T60] process_one_work+0x6c8/0xbb0
[ 46.262794][ T60] worker_thread+0xaa0/0x1250
[ 46.268668][ T60] ? __kasan_check_read+0x11/0x20
[ 46.274910][ T60] kthread+0x3f5/0x4f0
[ 46.279614][ T60] ? worker_clr_flags+0x190/0x190
[ 46.285357][ T60] ? kthread_blkcg+0xd0/0xd0
[ 46.290922][ T60] ret_from_fork+0x1f/0x30
[ 46.295985][ T60]
[ 46.299967][ T90] CPU: 0 PID: 90 Comm: klogd Not tainted syzkaller #0
[ 46.303640][ T315] FAULT_INJECTION: forcing a failure.
[ 46.303640][ T315] name failslab, interval 1, probability 10, space 0, times 95
[ 46.308725][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 46.333906][ T90] Call Trace:
[ 46.337520][ T90]
[ 46.340752][ T90] __dump_stack+0x21/0x30
[ 46.346142][ T90] dump_stack_lvl+0x110/0x170
[ 46.351101][ T90] ? show_regs_print_info+0x20/0x20
[ 46.356858][ T90] ? prandom_u32+0x24d/0x290
[ 46.361750][ T90] dump_stack+0x15/0x20
[ 46.366125][ T90] should_fail+0x3ab/0x500
[ 46.371325][ T90] __should_failslab+0xa4/0xe0
[ 46.381210][ T90] should_failslab+0x9/0x20
[ 46.388771][ T90] slab_pre_alloc_hook+0x39/0xd0
[ 46.395591][ T90] ? __d_alloc+0x2d/0x690
[ 46.402848][ T90] kmem_cache_alloc+0x44/0x260
[ 46.413021][ T90] __d_alloc+0x2d/0x690
[ 46.418290][ T90] d_alloc_pseudo+0x1d/0x70
[ 46.424620][ T90] alloc_file_pseudo+0xe0/0x200
[ 46.430680][ T90] ? alloc_empty_file_noaccount+0x80/0x80
[ 46.437966][ T90] ? alloc_fd+0x4c2/0x570
[ 46.443808][ T90] sock_alloc_file+0xba/0x260
[ 46.451697][ T90] __sys_socket+0x12b/0x190
[ 46.457009][ T90] __x64_sys_socket+0x7a/0x90
[ 46.459581][ T316] workqueue: Failed to create a worker thread: -ENOMEM
[ 46.462185][ T90] x64_sys_call+0x8c5/0x9a0
[ 46.475948][ T90] do_syscall_64+0x4c/0xa0
[ 46.481299][ T90] ? clear_bhb_loop+0x50/0xa0
[ 46.486445][ T90] ? clear_bhb_loop+0x50/0xa0
[ 46.491334][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 46.497380][ T90] RIP: 0033:0x7f707502b707
[ 46.502253][ T90] 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
[ 46.523674][ T90] RSP: 002b:00007fffd0776398 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
[ 46.533243][ T90] RAX: ffffffffffffffda RBX: 0000000000000055 RCX: 00007f707502b707
[ 46.541337][ T90] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001
[ 46.549605][ T90] RBP: 00007f70750b7560 R08: 0000000000000000 R09: 0000000000000000
[ 46.558079][ T90] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[ 46.566261][ T90] R13: 00007fffd07764c0 R14: 000000000000003a R15: 00007fffd07764c0
[ 46.574898][ T90]
[ 46.578410][ T315] CPU: 1 PID: 315 Comm: kworker/1:2 Not tainted syzkaller #0
[ 46.580997][ T20] FAULT_INJECTION: forcing a failure.
[ 46.580997][ T20] name failslab, interval 1, probability 10, space 0, times 92
[ 46.586804][ T315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 46.614468][ T315] Workqueue: mld mld_ifc_work
[ 46.620403][ T315] Call Trace:
[ 46.624286][ T315]
[ 46.629241][ T315] __dump_stack+0x21/0x30
[ 46.635213][ T315] dump_stack_lvl+0x110/0x170
[ 46.642244][ T315] ? show_regs_print_info+0x20/0x20
[ 46.649776][ T90] FAULT_INJECTION: forcing a failure.
[ 46.649776][ T90] name failslab, interval 1, probability 10, space 0, times 91
[ 46.650392][ T315] ? prandom_u32+0x24d/0x290
[ 46.671326][ T315] dump_stack+0x15/0x20
[ 46.676980][ T315] should_fail+0x3ab/0x500
[ 46.684056][ T315] __should_failslab+0xa4/0xe0
[ 46.689541][ T315] should_failslab+0x9/0x20
[ 46.694523][ T315] slab_pre_alloc_hook+0x39/0xd0
[ 46.699945][ T315] ? dst_alloc+0x15c/0x1d0
[ 46.704613][ T315] kmem_cache_alloc+0x44/0x260
[ 46.709760][ T315] ? ipv6_sysctl_rtcache_flush+0x100/0x100
[ 46.716142][ T315] dst_alloc+0x15c/0x1d0
[ 46.721248][ T315] icmp6_dst_alloc+0xec/0x520
[ 46.727336][ T315] ? security_sk_classify_flow+0x7b/0x90
[ 46.734535][ T315] ? icmpv6_flow_init+0xd2/0x130
[ 46.741808][ T315] mld_sendpack+0x4d9/0xba0
[ 46.747492][ T315] ? add_grec+0x1340/0x1340
[ 46.753261][ T315] ? add_grec+0xf70/0x1340
[ 46.758438][ T315] ? memcpy+0x56/0x70
[ 46.763155][ T315] ? wait_for_completion_killable_timeout+0x10/0x10
[ 46.771386][ T315] mld_ifc_work+0x7d7/0xc40
[ 46.776593][ T315] process_one_work+0x6c8/0xbb0
[ 46.781959][ T315] worker_thread+0xaa0/0x1250
[ 46.786998][ T315] ? __kasan_check_read+0x11/0x20
[ 46.792527][ T315] kthread+0x3f5/0x4f0
[ 46.797071][ T315] ? worker_clr_flags+0x190/0x190
[ 46.802533][ T315] ? kthread_blkcg+0xd0/0xd0
[ 46.807616][ T315] ret_from_fork+0x1f/0x30
[ 46.812734][ T315]
[ 46.815804][ T20] CPU: 0 PID: 20 Comm: kworker/0:1 Not tainted syzkaller #0
[ 46.823628][ T20] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 46.835724][ T20] Workqueue: mld mld_ifc_work
[ 46.840714][ T20] Call Trace:
[ 46.844571][ T20]
[ 46.847842][ T20] __dump_stack+0x21/0x30
[ 46.852611][ T20] dump_stack_lvl+0x110/0x170
[ 46.857339][ T20] ? show_regs_print_info+0x20/0x20
[ 46.862565][ T20] ? prandom_u32+0x24d/0x290
[ 46.867779][ T20] dump_stack+0x15/0x20
[ 46.872946][ T20] should_fail+0x3ab/0x500
[ 46.877527][ T20] ? mld_newpack+0x143/0x9e0
[ 46.882462][ T20] __should_failslab+0xa4/0xe0
[ 46.888049][ T20] should_failslab+0x9/0x20
[ 46.893555][ T20] slab_pre_alloc_hook+0x39/0xd0
[ 46.899123][ T20] ? mld_newpack+0x143/0x9e0
[ 46.905012][ T20] ? mld_newpack+0x143/0x9e0
[ 46.909948][ T20] __kmalloc_track_caller+0x6c/0x2c0
[ 46.918735][ T20] ? mld_newpack+0x143/0x9e0
[ 46.924874][ T20] ? mld_newpack+0x143/0x9e0
[ 46.931208][ T20] __alloc_skb+0x210/0x730
[ 46.938506][ T20] mld_newpack+0x143/0x9e0
[ 46.943652][ T20] ? mld_sendpack+0xba0/0xba0
[ 46.948562][ T20] ? add_grec+0x1340/0x1340
[ 46.953872][ T20] ? add_grec+0xf70/0x1340
[ 46.958681][ T20] add_grec+0xee8/0x1340
[ 46.963835][ T20] ? wait_for_completion_killable_timeout+0x10/0x10
[ 46.971720][ T20] mld_ifc_work+0x728/0xc40
[ 46.978171][ T20] process_one_work+0x6c8/0xbb0
[ 46.983257][ T20] worker_thread+0xaa0/0x1250
[ 46.988234][ T20] ? __kasan_check_read+0x11/0x20
[ 46.993308][ T20] kthread+0x3f5/0x4f0
[ 46.997853][ T20] ? worker_clr_flags+0x190/0x190
[ 47.002934][ T20] ? kthread_blkcg+0xd0/0xd0
[ 47.007928][ T20] ret_from_fork+0x1f/0x30
[ 47.012592][ T20]
[ 47.015718][ T90] CPU: 0 PID: 90 Comm: klogd Not tainted syzkaller #0
[ 47.016655][ T39] FAULT_INJECTION: forcing a failure.
[ 47.016655][ T39] name failslab, interval 1, probability 10, space 0, times 90
[ 47.022808][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 47.022825][ T90] Call Trace:
[ 47.022832][ T90]
[ 47.022839][ T90] __dump_stack+0x21/0x30
[ 47.022863][ T90] dump_stack_lvl+0x110/0x170
[ 47.063887][ T90] ? show_regs_print_info+0x20/0x20
[ 47.071307][ T90] ? prandom_u32+0x24d/0x290
[ 47.077051][ T90] dump_stack+0x15/0x20
[ 47.083506][ T90] should_fail+0x3ab/0x500
[ 47.091230][ T90] __should_failslab+0xa4/0xe0
[ 47.097399][ T90] should_failslab+0x9/0x20
[ 47.102677][ T90] slab_pre_alloc_hook+0x39/0xd0
[ 47.109124][ T90] ? security_inode_alloc+0x33/0x110
[ 47.115157][ T90] kmem_cache_alloc+0x44/0x260
[ 47.121674][ T90] security_inode_alloc+0x33/0x110
[ 47.128230][ T90] inode_init_always+0x72c/0x9b0
[ 47.133746][ T90] new_inode_pseudo+0x91/0x210
[ 47.140058][ T90] __sock_create+0x12c/0x7a0
[ 47.151494][ T90] __sys_socket+0xec/0x190
[ 47.158834][ T90] __x64_sys_socket+0x7a/0x90
[ 47.167609][ T90] x64_sys_call+0x8c5/0x9a0
[ 47.177975][ T90] do_syscall_64+0x4c/0xa0
[ 47.185604][ T90] ? clear_bhb_loop+0x50/0xa0
[ 47.192130][ T90] ? clear_bhb_loop+0x50/0xa0
[ 47.197651][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 47.205573][ T90] RIP: 0033:0x7f707502b707
[ 47.210297][ T90] 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
[ 47.240557][ T90] RSP: 002b:00007fffd0776398 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
[ 47.251631][ T90] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f707502b707
[ 47.261610][ T90] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001
[ 47.272300][ T90] RBP: 00007f70750b7560 R08: 0000000000000073 R09: 0000000000000001
[ 47.282560][ T90] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[ 47.294503][ T90] R13: 00007fffd07764c0 R14: 0000000000000054 R15: 00007fffd07764c0
[ 47.306550][ T90]
[ 47.312295][ T472] FAULT_INJECTION: forcing a failure.
[ 47.312295][ T472] name failslab, interval 1, probability 10, space 0, times 90
[ 47.320456][ T20] FAULT_INJECTION: forcing a failure.
[ 47.320456][ T20] name failslab, interval 1, probability 10, space 0, times 89
[ 47.330833][ T472] CPU: 1 PID: 472 Comm: syz-executor Not tainted syzkaller #0
[ 47.330871][ T472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 47.370625][ T472] Call Trace:
[ 47.375793][ T472]
[ 47.379289][ T472] __dump_stack+0x21/0x30
[ 47.386179][ T472] dump_stack_lvl+0x110/0x170
[ 47.391596][ T472] ? show_regs_print_info+0x20/0x20
[ 47.399879][ T472] dump_stack+0x15/0x20
[ 47.410743][ T472] should_fail+0x3ab/0x500
[ 47.419514][ T90] socket: no more sockets
[ 47.422200][ T472] __should_failslab+0xa4/0xe0
[ 47.437178][ T472] should_failslab+0x9/0x20
[ 47.440046][ T90] FAULT_INJECTION: forcing a failure.
[ 47.440046][ T90] name failslab, interval 1, probability 10, space 0, times 88
[ 47.442653][ T472] slab_pre_alloc_hook+0x39/0xd0
[ 47.464570][ T472] ? __alloc_skb+0xe4/0x730
[ 47.473638][ T472] kmem_cache_alloc+0x44/0x260
[ 47.480250][ T472] ? fib6_nh_flush_exceptions+0x46a/0x480
[ 47.488569][ T472] __alloc_skb+0xe4/0x730
[ 47.494060][ T472] inet6_rt_notify+0x293/0x480
[ 47.501292][ T472] ? __kasan_check_write+0x14/0x20
[ 47.507263][ T472] ? rt6_nh_dump_exceptions+0x6b0/0x6b0
[ 47.513997][ T472] ? call_fib_notifiers+0xa0/0xc0
[ 47.520176][ T472] fib6_del+0xb9e/0xf00
[ 47.525279][ T472] ? fib6_locate+0x520/0x520
[ 47.530096][ T472] ? fib6_ifdown+0x2e8/0x4e0
[ 47.535057][ T472] fib6_clean_node+0x2a1/0x540
[ 47.540422][ T472] ? node_free_rcu+0x30/0x30
[ 47.546458][ T472] fib6_walk_continue+0x54b/0x740
[ 47.551948][ T472] fib6_walk+0x153/0x290
[ 47.557030][ T472] fib6_clean_all+0x1a1/0x270
[ 47.562323][ T472] ? rt6_sync_down_dev+0x140/0x140
[ 47.568132][ T472] ? fib6_del+0xf00/0xf00
[ 47.573062][ T472] ? node_free_rcu+0x30/0x30
[ 47.578061][ T472] ? rt6_sync_down_dev+0x140/0x140
[ 47.583697][ T472] ? __kasan_check_write+0x14/0x20
[ 47.589260][ T472] rt6_disable_ip+0x115/0x730
[ 47.593978][ T472] ? __queue_work+0x903/0xc60
[ 47.598677][ T472] ? fib6_ifdown+0x4e0/0x4e0
[ 47.603335][ T472] ? __kasan_check_read+0x11/0x20
[ 47.608958][ T472] addrconf_ifdown+0x144/0x1910
[ 47.614473][ T472] ? nf_nat_masq_schedule+0x22d/0x4d0
[ 47.620317][ T472] ? addrconf_cleanup+0x1c0/0x1c0
[ 47.625996][ T472] ? __kasan_check_write+0x14/0x20
[ 47.632366][ T472] ? mutex_unlock+0x8f/0x230
[ 47.637000][ T472] ? __mutex_lock_slowpath+0x10/0x10
[ 47.642756][ T472] ? nf_nat_masq_schedule+0x4d0/0x4d0
[ 47.650124][ T472] ? masq_device_event+0xd0/0xd0
[ 47.655732][ T472] addrconf_notify+0x3bd/0xe00
[ 47.661074][ T472] raw_notifier_call_chain+0x90/0x100
[ 47.666525][ T472] dev_close_many+0x325/0x4d0
[ 47.672102][ T472] ? __dev_open+0x500/0x500
[ 47.677952][ T472] ? __kasan_check_read+0x11/0x20
[ 47.684023][ T472] unregister_netdevice_many+0x477/0x1a00
[ 47.689794][ C0] FAULT_INJECTION: forcing a failure.
[ 47.689794][ C0] name failslab, interval 1, probability 10, space 0, times 88
[ 47.691996][ T472] ? __queue_work+0x903/0xc60
[ 47.710610][ T472] ? alloc_netdev_mqs+0xe20/0xe20
[ 47.717210][ T472] ? __queue_delayed_work+0x188/0x200
[ 47.722935][ T472] ? __kasan_check_read+0x11/0x20
[ 47.728283][ T472] unregister_netdevice_queue+0x2e1/0x320
[ 47.734279][ T472] ? __kasan_check_read+0x11/0x20
[ 47.740054][ T472] ? linkwatch_urgent_event+0x34d/0x460
[ 47.746604][ T472] ? list_netdevice+0x4c0/0x4c0
[ 47.752043][ T472] __tun_detach+0xc9d/0x1450
[ 47.756699][ T472] tun_chr_close+0x92/0x140
[ 47.761683][ T472] ? tun_chr_open+0x540/0x540
[ 47.766399][ T472] __fput+0x22b/0x900
[ 47.770620][ T472] ____fput+0x15/0x20
[ 47.775032][ T472] task_work_run+0x127/0x190
[ 47.780016][ T472] do_exit+0xb70/0x29a0
[ 47.784757][ T472] ? put_task_struct+0x90/0x90
[ 47.790437][ T472] ? __fdget_pos+0x1f7/0x380
[ 47.795274][ T472] ? ksys_write+0x1eb/0x260
[ 47.799815][ T472] do_group_exit+0x149/0x310
[ 47.804527][ T472] __x64_sys_exit_group+0x3f/0x40
[ 47.809797][ T472] x64_sys_call+0x832/0x9a0
[ 47.814343][ T472] do_syscall_64+0x4c/0xa0
[ 47.820131][ T472] ? clear_bhb_loop+0x50/0xa0
[ 47.825957][ T472] ? clear_bhb_loop+0x50/0xa0
[ 47.831079][ T472] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 47.837718][ T472] RIP: 0033:0x7f9802ef8e99
[ 47.842872][ T472] Code: Unable to access opcode bytes at RIP 0x7f9802ef8e6f.
[ 47.850740][ T472] RSP: 002b:00007ffd8176e6c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 47.860066][ T472] RAX: ffffffffffffffda RBX: 00007f9802f8e316 RCX: 00007f9802ef8e99
[ 47.869084][ T472] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
[ 47.877994][ T472] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f9802f8e30a
[ 47.886782][ T472] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd8176f920
[ 47.895238][ T472] R13: 00007f9802f8e30a R14: 000000000000ad2a R15: 00007ffd8176f960
[ 47.905248][ T472]
[ 47.908610][ C0] CPU: 0 PID: 90 Comm: klogd Not tainted syzkaller #0
[ 47.909974][ C1] FAULT_INJECTION: forcing a failure.
[ 47.909974][ C1] name failslab, interval 1, probability 10, space 0, times 87
[ 47.916348][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 47.942073][ C0] Call Trace:
[ 47.946039][ C0]
[ 47.949303][ C0] __dump_stack+0x21/0x30
[ 47.954406][ C0] dump_stack_lvl+0x110/0x170
[ 47.959383][ C0] ? show_regs_print_info+0x20/0x20
[ 47.966511][ C0] ? prandom_u32+0x24d/0x290
[ 47.972829][ C0] dump_stack+0x15/0x20
[ 47.978425][ C0] should_fail+0x3ab/0x500
[ 47.984281][ C0] __should_failslab+0xa4/0xe0
[ 47.990397][ C0] should_failslab+0x9/0x20
[ 47.997733][ C0] slab_pre_alloc_hook+0x39/0xd0
[ 48.004510][ C0] kmem_cache_alloc_trace+0x48/0x270
[ 48.010373][ C0] ? dst_cow_metrics_generic+0x55/0x1c0
[ 48.016740][ C0] dst_cow_metrics_generic+0x55/0x1c0
[ 48.022988][ C0] icmp6_dst_alloc+0x35f/0x520
[ 48.027922][ C0] ndisc_send_skb+0x2a9/0xcf0
[ 48.032937][ C0] ? __sys_socket+0xec/0x190
[ 48.037909][ C0] ? __x64_sys_socket+0x7a/0x90
[ 48.043091][ C0] ? x64_sys_call+0x8c5/0x9a0
[ 48.048144][ C0] ? do_syscall_64+0x4c/0xa0
[ 48.054029][ C0] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 48.060148][ C0] ? ndisc_alloc_skb+0x290/0x290
[ 48.065125][ C0] ? ndisc_send_rs+0x61f/0x960
[ 48.070131][ C0] ? memcpy+0x56/0x70
[ 48.074379][ C0] ndisc_send_rs+0x711/0x960
[ 48.079784][ C0] addrconf_rs_timer+0x35a/0x600
[ 48.085407][ C0] ? addrconf_disable_policy_idev+0x360/0x360
[ 48.091525][ C0] ? _raw_spin_lock_irqsave+0x130/0x130
[ 48.098174][ C0] ? addrconf_disable_policy_idev+0x360/0x360
[ 48.104613][ C0] call_timer_fn+0x38/0x290
[ 48.109426][ C0] ? addrconf_disable_policy_idev+0x360/0x360
[ 48.116563][ C0] __run_timers+0x637/0x9a0
[ 48.121866][ C0] ? calc_index+0x200/0x200
[ 48.127165][ C0] ? sched_clock_cpu+0x18/0x3d0
[ 48.132637][ C0] run_timer_softirq+0x6a/0xf0
[ 48.137804][ C0] handle_softirqs+0x250/0x560
[ 48.142904][ C0] __irq_exit_rcu+0x52/0xf0
[ 48.147863][ C0] irq_exit_rcu+0x9/0x10
[ 48.152924][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0
[ 48.159407][ C0]
[ 48.162381][ C0]
[ 48.165816][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 48.172116][ C0] RIP: 0010:__kasan_check_read+0x0/0x20
[ 48.178230][ C0] Code: 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 c7 c7 67 ca e7 85 eb 0a 48 c7 c7 d6 9b dc 85 48 89 de e8 37 aa 01 03 45 31 ff eb d1 00 00 <55> 48 89 e5 89 f6 48 8b 4d 08 31 d2 e8 af ed ff ff 5d c3 66 2e 0f
[ 48.200133][ C0] RSP: 0018:ffffc900009b7b28 EFLAGS: 00000293
[ 48.206237][ C0] RAX: ffffffff8152422c RBX: ffffffff8564bde0 RCX: ffff88810cb913c0
[ 48.214512][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff86711f80
[ 48.223055][ C0] RBP: ffffc900009b7b30 R08: 0000000000000003 R09: 0000000000000004
[ 48.231283][ C0] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000
[ 48.239940][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000136f68
[ 48.248906][ C0] ? __printk_wait_on_cpu_lock+0x2c/0x40
[ 48.254769][ C0] ? __printk_wait_on_cpu_lock+0x1c/0x40
[ 48.260457][ C0] dump_stack_lvl+0xce/0x170
[ 48.265186][ C0] ? show_regs_print_info+0x20/0x20
[ 48.270673][ C0] dump_stack+0x15/0x20
[ 48.275081][ C0] should_fail+0x3ab/0x500
[ 48.280214][ C0] __should_failslab+0xa4/0xe0
[ 48.285184][ C0] should_failslab+0x9/0x20
[ 48.290126][ C0] slab_pre_alloc_hook+0x39/0xd0
[ 48.295641][ C0] ? sk_prot_alloc+0x5f/0x320
[ 48.300870][ C0] kmem_cache_alloc+0x44/0x260
[ 48.305679][ C0] ? slab_post_alloc_hook+0x6d/0x2b0
[ 48.311203][ C0] sk_prot_alloc+0x5f/0x320
[ 48.316035][ C0] sk_alloc+0x38/0x430
[ 48.320156][ C0] unix_create1+0xb4/0x610
[ 48.324977][ C0] unix_create+0x149/0x200
[ 48.329516][ C0] __sock_create+0x38d/0x7a0
[ 48.334135][ C0] __sys_socket+0xec/0x190
[ 48.338777][ C0] __x64_sys_socket+0x7a/0x90
[ 48.343784][ C0] x64_sys_call+0x8c5/0x9a0
[ 48.348398][ C0] do_syscall_64+0x4c/0xa0
[ 48.352924][ C0] ? clear_bhb_loop+0x50/0xa0
[ 48.357741][ C0] ? clear_bhb_loop+0x50/0xa0
[ 48.362599][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 48.368522][ C0] RIP: 0033:0x7f707502b707
[ 48.373043][ C0] 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
[ 48.393868][ C0] RSP: 002b:00007fffd0776398 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
[ 48.403591][ C0] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f707502b707
[ 48.412710][ C0] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001
[ 48.421365][ C0] RBP: 00007f70750b7560 R08: 0000000000000073 R09: 0000000000000001
[ 48.430325][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[ 48.439631][ C0] R13: 00007fffd07764c0 R14: 0000000000000050 R15: 00007fffd07764c0
[ 48.448233][ C0]
[ 48.451305][ C1] CPU: 1 PID: 472 Comm: syz-executor Not tainted syzkaller #0
[ 48.456442][ T64] FAULT_INJECTION: forcing a failure.
[ 48.456442][ T64] name failslab, interval 1, probability 10, space 0, times 86
[ 48.459098][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 48.483830][ C1] Call Trace:
[ 48.487879][ C1]
[ 48.490934][ C1] __dump_stack+0x21/0x30
[ 48.495732][ C1] dump_stack_lvl+0x110/0x170
[ 48.500442][ C1] ? show_regs_print_info+0x20/0x20
[ 48.505668][ C1] ? prandom_u32+0x24d/0x290
[ 48.510643][ C1] dump_stack+0x15/0x20
[ 48.515200][ C1] should_fail+0x3ab/0x500
[ 48.519868][ C1] __should_failslab+0xa4/0xe0
[ 48.524665][ C1] should_failslab+0x9/0x20
[ 48.529627][ C1] slab_pre_alloc_hook+0x39/0xd0
[ 48.535044][ C1] ? __alloc_skb+0xe4/0x730
[ 48.539581][ C1] kmem_cache_alloc+0x44/0x260
[ 48.544714][ C1] __alloc_skb+0xe4/0x730
[ 48.549596][ C1] ndisc_send_rs+0x310/0x960
[ 48.554225][ C1] addrconf_rs_timer+0x35a/0x600
[ 48.559549][ C1] ? addrconf_disable_policy_idev+0x360/0x360
[ 48.565934][ C1] ? _raw_spin_lock_irq+0x95/0xf0
[ 48.571166][ C1] ? _raw_spin_lock_irqsave+0x130/0x130
[ 48.576738][ C1] ? addrconf_disable_policy_idev+0x360/0x360
[ 48.582850][ C1] call_timer_fn+0x38/0x290
[ 48.587960][ C1] ? addrconf_disable_policy_idev+0x360/0x360
[ 48.594246][ C1] __run_timers+0x637/0x9a0
[ 48.599014][ C1] ? calc_index+0x200/0x200
[ 48.603568][ C1] ? hrtimer_interrupt+0x6b6/0x8c0
[ 48.608877][ C1] run_timer_softirq+0x6a/0xf0
[ 48.613666][ C1] handle_softirqs+0x250/0x560
[ 48.618726][ C1] __do_softirq+0xb/0xd
[ 48.622914][ C1] do_softirq+0xdc/0x130
[ 48.627203][ C1]
[ 48.630272][ C1]
[ 48.633261][ C1] ? __local_bh_enable_ip+0x80/0x80
[ 48.638531][ C1] ? __local_bh_enable_ip+0x58/0x80
[ 48.643853][ C1] __local_bh_enable_ip+0x75/0x80
[ 48.648916][ C1] _raw_spin_unlock_bh+0x51/0x60
[ 48.654216][ C1] fib6_clean_all+0x1c9/0x270
[ 48.659371][ C1] ? rt6_sync_down_dev+0x140/0x140
[ 48.665266][ C1] ? fib6_del+0xf00/0xf00
[ 48.670197][ C1] ? node_free_rcu+0x30/0x30
[ 48.675704][ C1] ? rt6_sync_down_dev+0x140/0x140
[ 48.681921][ C1] ? __kasan_check_write+0x14/0x20
[ 48.687298][ C1] rt6_disable_ip+0x115/0x730
[ 48.692900][ C1] ? __queue_work+0x903/0xc60
[ 48.697770][ C1] ? fib6_ifdown+0x4e0/0x4e0
[ 48.702399][ C1] ? __kasan_check_read+0x11/0x20
[ 48.707556][ C1] addrconf_ifdown+0x144/0x1910
[ 48.712715][ C1] ? nf_nat_masq_schedule+0x22d/0x4d0
[ 48.718312][ C1] ? addrconf_cleanup+0x1c0/0x1c0
[ 48.723976][ C1] ? __kasan_check_write+0x14/0x20
[ 48.729292][ C1] ? mutex_unlock+0x8f/0x230
[ 48.733935][ C1] ? __mutex_lock_slowpath+0x10/0x10
[ 48.739351][ C1] ? nf_nat_masq_schedule+0x4d0/0x4d0
[ 48.744885][ C1] ? masq_device_event+0xd0/0xd0
[ 48.750965][ C1] addrconf_notify+0x3bd/0xe00
[ 48.755929][ C1] raw_notifier_call_chain+0x90/0x100
[ 48.762135][ C1] dev_close_many+0x325/0x4d0
[ 48.766894][ C1] ? __dev_open+0x500/0x500
[ 48.771620][ C1] ? __kasan_check_read+0x11/0x20
[ 48.777154][ C1] unregister_netdevice_many+0x477/0x1a00
[ 48.783567][ C1] ? __queue_work+0x903/0xc60
[ 48.788627][ C1] ? alloc_netdev_mqs+0xe20/0xe20
[ 48.794429][ C1] ? __queue_delayed_work+0x188/0x200
[ 48.799830][ C1] ? __kasan_check_read+0x11/0x20
[ 48.804872][ C1] unregister_netdevice_queue+0x2e1/0x320
[ 48.810700][ C1] ? __kasan_check_read+0x11/0x20
[ 48.816132][ C1] ? linkwatch_urgent_event+0x34d/0x460
[ 48.821922][ C1] ? list_netdevice+0x4c0/0x4c0
[ 48.826972][ C1] __tun_detach+0xc9d/0x1450
[ 48.831984][ C1] tun_chr_close+0x92/0x140
[ 48.837783][ C1] ? tun_chr_open+0x540/0x540
[ 48.843242][ C1] __fput+0x22b/0x900
[ 48.847355][ C1] ____fput+0x15/0x20
[ 48.851559][ C1] task_work_run+0x127/0x190
[ 48.856551][ C1] do_exit+0xb70/0x29a0
[ 48.862262][ C1] ? put_task_struct+0x90/0x90
[ 48.867281][ C1] ? __fdget_pos+0x1f7/0x380
[ 48.871915][ C1] ? ksys_write+0x1eb/0x260
[ 48.876447][ C1] do_group_exit+0x149/0x310
[ 48.881082][ C1] __x64_sys_exit_group+0x3f/0x40
[ 48.886565][ C1] x64_sys_call+0x832/0x9a0
[ 48.891226][ C1] do_syscall_64+0x4c/0xa0
[ 48.895890][ C1] ? clear_bhb_loop+0x50/0xa0
[ 48.901073][ C1] ? clear_bhb_loop+0x50/0xa0
[ 48.906157][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 48.912753][ C1] RIP: 0033:0x7f9802ef8e99
[ 48.917284][ C1] Code: Unable to access opcode bytes at RIP 0x7f9802ef8e6f.
[ 48.924699][ C1] RSP: 002b:00007ffd8176e6c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 48.934589][ C1] RAX: ffffffffffffffda RBX: 00007f9802f8e316 RCX: 00007f9802ef8e99
[ 48.945072][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
[ 48.953814][ C1] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f9802f8e30a
[ 48.962495][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd8176f920
[ 48.970927][ C1] R13: 00007f9802f8e30a R14: 000000000000ad2a R15: 00007ffd8176f960
[ 48.979613][ C1]
[ 48.982848][ T90] CPU: 0 PID: 90 Comm: klogd Not tainted syzkaller #0
[ 48.983711][ C1] FAULT_INJECTION: forcing a failure.
[ 48.983711][ C1] name failslab, interval 1, probability 10, space 0, times 85
[ 48.989859][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 48.989874][ T90] Call Trace:
[ 48.989881][ T90]
[ 48.989889][ T90] __dump_stack+0x21/0x30
[ 49.024132][ T90] dump_stack_lvl+0x110/0x170
[ 49.028843][ T90] ? show_regs_print_info+0x20/0x20
[ 49.034115][ T90] dump_stack+0x15/0x20
[ 49.038424][ T90] should_fail+0x3ab/0x500
[ 49.042877][ T90] __should_failslab+0xa4/0xe0
[ 49.047787][ T90] should_failslab+0x9/0x20
[ 49.052438][ T90] slab_pre_alloc_hook+0x39/0xd0
[ 49.057607][ T90] ? sk_prot_alloc+0x5f/0x320
[ 49.062698][ T90] kmem_cache_alloc+0x44/0x260
[ 49.067521][ T90] ? slab_post_alloc_hook+0x6d/0x2b0
[ 49.073008][ T90] sk_prot_alloc+0x5f/0x320
[ 49.077534][ T90] sk_alloc+0x38/0x430
[ 49.081726][ T90] unix_create1+0xb4/0x610
[ 49.086300][ T90] unix_create+0x149/0x200
[ 49.091185][ T90] __sock_create+0x38d/0x7a0
[ 49.096181][ T90] __sys_socket+0xec/0x190
[ 49.100974][ T90] __x64_sys_socket+0x7a/0x90
[ 49.106063][ T90] x64_sys_call+0x8c5/0x9a0
[ 49.110602][ T90] do_syscall_64+0x4c/0xa0
[ 49.115039][ T90] ? clear_bhb_loop+0x50/0xa0
[ 49.119734][ T90] ? clear_bhb_loop+0x50/0xa0
[ 49.124884][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 49.130898][ T90] RIP: 0033:0x7f707502b707
[ 49.135439][ T90] 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
[ 49.156581][ T90] RSP: 002b:00007fffd0776398 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
[ 49.165912][ T90] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f707502b707
[ 49.174641][ T90] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001
[ 49.183856][ T90] RBP: 00007f70750b7560 R08: 0000000000000073 R09: 0000000000000001
[ 49.192835][ T90] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[ 49.202549][ T90] R13: 00007fffd07764c0 R14: 0000000000000050 R15: 00007fffd07764c0
[ 49.212289][ T90]
[ 49.215524][ C1] CPU: 1 PID: 472 Comm: syz-executor Not tainted syzkaller #0
[ 49.223202][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 49.233680][ C1] Call Trace:
[ 49.236979][ C1]
[ 49.240496][ C1] __dump_stack+0x21/0x30
[ 49.244860][ C1] dump_stack_lvl+0x110/0x170
[ 49.250212][ C1] ? show_regs_print_info+0x20/0x20
[ 49.255548][ C1] ? prandom_u32+0x24d/0x290
[ 49.260376][ C1] dump_stack+0x15/0x20
[ 49.264641][ C1] should_fail+0x3ab/0x500
[ 49.269296][ C1] __should_failslab+0xa4/0xe0
[ 49.274379][ C1] should_failslab+0x9/0x20
[ 49.279101][ C1] slab_pre_alloc_hook+0x39/0xd0
[ 49.284186][ C1] ? __alloc_skb+0xe4/0x730
[ 49.288790][ C1] kmem_cache_alloc+0x44/0x260
[ 49.293686][ C1] __alloc_skb+0xe4/0x730
[ 49.298040][ C1] ndisc_send_rs+0x310/0x960
[ 49.302661][ C1] ? ndisc_send_rs+0xa1/0x960
[ 49.307802][ C1] addrconf_rs_timer+0x35a/0x600
[ 49.312768][ C1] ? addrconf_disable_policy_idev+0x360/0x360
[ 49.318948][ C1] ? _raw_spin_lock_irq+0x95/0xf0
[ 49.324097][ C1] ? _raw_spin_lock_irqsave+0x130/0x130
[ 49.329668][ C1] ? addrconf_disable_policy_idev+0x360/0x360
[ 49.335764][ C1] call_timer_fn+0x38/0x290
[ 49.340304][ C1] ? addrconf_disable_policy_idev+0x360/0x360
[ 49.346598][ C1] __run_timers+0x637/0x9a0
[ 49.351226][ C1] ? calc_index+0x200/0x200
[ 49.355768][ C1] ? hrtimer_interrupt+0x6b6/0x8c0
[ 49.361099][ C1] run_timer_softirq+0x6a/0xf0
[ 49.366004][ C1] handle_softirqs+0x250/0x560
[ 49.370804][ C1] __do_softirq+0xb/0xd
[ 49.375004][ C1] do_softirq+0xdc/0x130
[ 49.379364][ C1]
[ 49.382415][ C1]
[ 49.385365][ C1] ? __local_bh_enable_ip+0x80/0x80
[ 49.390764][ C1] ? __local_bh_enable_ip+0x58/0x80
[ 49.396078][ C1] __local_bh_enable_ip+0x75/0x80
[ 49.401843][ C1] _raw_spin_unlock_bh+0x51/0x60
[ 49.407539][ C1] fib6_clean_all+0x1c9/0x270
[ 49.412419][ C1] ? rt6_sync_down_dev+0x140/0x140
[ 49.417917][ C1] ? fib6_del+0xf00/0xf00
[ 49.422483][ C1] ? node_free_rcu+0x30/0x30
[ 49.427209][ C1] ? rt6_sync_down_dev+0x140/0x140
[ 49.432449][ C1] ? __kasan_check_write+0x14/0x20
[ 49.437592][ C1] rt6_disable_ip+0x115/0x730
[ 49.443171][ C1] ? __queue_work+0x903/0xc60
[ 49.447982][ C1] ? fib6_ifdown+0x4e0/0x4e0
[ 49.452693][ C1] ? __kasan_check_read+0x11/0x20
[ 49.457743][ C1] addrconf_ifdown+0x144/0x1910
[ 49.462707][ C1] ? nf_nat_masq_schedule+0x22d/0x4d0
[ 49.468119][ C1] ? addrconf_cleanup+0x1c0/0x1c0
[ 49.473350][ C1] ? __kasan_check_write+0x14/0x20
[ 49.479238][ C1] ? mutex_unlock+0x8f/0x230
[ 49.484401][ C1] ? __mutex_lock_slowpath+0x10/0x10
[ 49.490248][ C1] ? nf_nat_masq_schedule+0x4d0/0x4d0
[ 49.496014][ C1] ? masq_device_event+0xd0/0xd0
[ 49.501160][ C1] addrconf_notify+0x3bd/0xe00
[ 49.506262][ C1] raw_notifier_call_chain+0x90/0x100
[ 49.511970][ C1] dev_close_many+0x325/0x4d0
[ 49.516764][ C1] ? __dev_open+0x500/0x500
[ 49.521325][ C1] ? __kasan_check_read+0x11/0x20
[ 49.526368][ C1] unregister_netdevice_many+0x477/0x1a00
[ 49.532192][ C1] ? __queue_work+0x903/0xc60
[ 49.537189][ C1] ? alloc_netdev_mqs+0xe20/0xe20
[ 49.542254][ C1] ? __queue_delayed_work+0x188/0x200
[ 49.547756][ C1] ? __kasan_check_read+0x11/0x20
[ 49.553534][ C1] unregister_netdevice_queue+0x2e1/0x320
[ 49.559633][ C1] ? __kasan_check_read+0x11/0x20
[ 49.564858][ C1] ? linkwatch_urgent_event+0x34d/0x460
[ 49.570569][ C1] ? list_netdevice+0x4c0/0x4c0
[ 49.575455][ C1] __tun_detach+0xc9d/0x1450
[ 49.580161][ C1] tun_chr_close+0x92/0x140
[ 49.584692][ C1] ? tun_chr_open+0x540/0x540
[ 49.589476][ C1] __fput+0x22b/0x900
[ 49.593489][ C1] ____fput+0x15/0x20
[ 49.597489][ C1] task_work_run+0x127/0x190
[ 49.602494][ C1] do_exit+0xb70/0x29a0
[ 49.606667][ C1] ? put_task_struct+0x90/0x90
[ 49.611491][ C1] ? __fdget_pos+0x1f7/0x380
[ 49.616107][ C1] ? ksys_write+0x1eb/0x260
[ 49.620627][ C1] do_group_exit+0x149/0x310
[ 49.625258][ C1] __x64_sys_exit_group+0x3f/0x40
[ 49.630417][ C1] x64_sys_call+0x832/0x9a0
[ 49.634938][ C1] do_syscall_64+0x4c/0xa0
[ 49.639370][ C1] ? clear_bhb_loop+0x50/0xa0
[ 49.644089][ C1] ? clear_bhb_loop+0x50/0xa0
[ 49.648866][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 49.655295][ C1] RIP: 0033:0x7f9802ef8e99
[ 49.659843][ C1] Code: Unable to access opcode bytes at RIP 0x7f9802ef8e6f.
[ 49.667689][ C1] RSP: 002b:00007ffd8176e6c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 49.677184][ C1] RAX: ffffffffffffffda RBX: 00007f9802f8e316 RCX: 00007f9802ef8e99
[ 49.685300][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
[ 49.693397][ C1] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f9802f8e30a
[ 49.700281][ T90] FAULT_INJECTION: forcing a failure.
[ 49.700281][ T90] name failslab, interval 1, probability 10, space 0, times 84
[ 49.701745][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd8176f920
[ 49.723030][ C1] R13: 00007f9802f8e30a R14: 000000000000ad2a R15: 00007ffd8176f960
[ 49.731125][ C1]
[ 49.734174][ T20] CPU: 0 PID: 20 Comm: kworker/0:1 Not tainted syzkaller #0
[ 49.734293][ C1] FAULT_INJECTION: forcing a failure.
[ 49.734293][ C1] name failslab, interval 1, probability 10, space 0, times 83
[ 49.742038][ T20] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 49.742052][ T20] Workqueue: mld mld_ifc_work
[ 49.772460][ T20] Call Trace:
[ 49.775902][ T20]
[ 49.779131][ T20] __dump_stack+0x21/0x30
[ 49.783758][ T20] dump_stack_lvl+0x110/0x170
[ 49.788462][ T20] ? show_regs_print_info+0x20/0x20
[ 49.794020][ T20] ? prandom_u32+0x24d/0x290
[ 49.798670][ T20] dump_stack+0x15/0x20
[ 49.803181][ T20] should_fail+0x3ab/0x500
[ 49.807981][ T20] ? mld_newpack+0x143/0x9e0
[ 49.812712][ T20] __should_failslab+0xa4/0xe0
[ 49.817758][ T20] should_failslab+0x9/0x20
[ 49.822384][ T20] slab_pre_alloc_hook+0x39/0xd0
[ 49.827449][ T20] ? mld_newpack+0x143/0x9e0
[ 49.832077][ T20] ? mld_newpack+0x143/0x9e0
[ 49.836716][ T20] __kmalloc_track_caller+0x6c/0x2c0
[ 49.842403][ T20] ? mld_newpack+0x143/0x9e0
[ 49.847292][ T20] ? mld_newpack+0x143/0x9e0
[ 49.852015][ T20] __alloc_skb+0x210/0x730
[ 49.856916][ T20] mld_newpack+0x143/0x9e0
[ 49.862115][ T20] ? mld_sendpack+0xba0/0xba0
[ 49.867119][ T20] ? add_grec+0x1340/0x1340
[ 49.871770][ T20] ? add_grec+0xf70/0x1340
[ 49.876219][ T20] add_grec+0xee8/0x1340
[ 49.880673][ T20] ? wait_for_completion_killable_timeout+0x10/0x10
[ 49.888153][ T20] mld_ifc_work+0x728/0xc40
[ 49.893210][ T20] process_one_work+0x6c8/0xbb0
[ 49.898911][ T20] worker_thread+0xaa0/0x1250
[ 49.903988][ T20] ? __kasan_check_read+0x11/0x20
[ 49.910383][ T20] kthread+0x3f5/0x4f0
[ 49.914744][ T20] ? worker_clr_flags+0x190/0x190
[ 49.921152][ T20] ? kthread_blkcg+0xd0/0xd0
[ 49.926457][ T20] ret_from_fork+0x1f/0x30
[ 49.931232][ T20]
[ 49.934910][ C1] CPU: 1 PID: 472 Comm: syz-executor Not tainted syzkaller #0
[ 49.946249][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 49.960905][ C1] Call Trace:
[ 49.964621][ C1]
[ 49.967643][ C1] __dump_stack+0x21/0x30
[ 49.973102][ C1] dump_stack_lvl+0x110/0x170
[ 49.979779][ C1] ? show_regs_print_info+0x20/0x20
[ 49.987374][ C1] ? prandom_u32+0x24d/0x290
[ 49.993427][ C1] dump_stack+0x15/0x20
[ 49.997719][ C1] should_fail+0x3ab/0x500
[ 50.002271][ C1] __should_failslab+0xa4/0xe0
[ 50.007865][ C1] should_failslab+0x9/0x20
[ 50.012514][ C1] slab_pre_alloc_hook+0x39/0xd0
[ 50.017601][ C1] ? __alloc_skb+0xe4/0x730
[ 50.022228][ C1] kmem_cache_alloc+0x44/0x260
[ 50.027105][ C1] __alloc_skb+0xe4/0x730
[ 50.031533][ C1] ndisc_send_rs+0x310/0x960
[ 50.036240][ C1] ? ndisc_send_rs+0xa1/0x960
[ 50.041029][ C1] addrconf_rs_timer+0x35a/0x600
[ 50.046083][ C1] ? addrconf_disable_policy_idev+0x360/0x360
[ 50.052794][ C1] ? addrconf_disable_policy_idev+0x360/0x360
[ 50.059621][ C1] call_timer_fn+0x38/0x290
[ 50.064166][ C1] ? addrconf_disable_policy_idev+0x360/0x360
[ 50.070562][ C1] __run_timers+0x637/0x9a0
[ 50.075092][ C1] ? calc_index+0x200/0x200
[ 50.079614][ C1] ? hrtimer_interrupt+0x6b6/0x8c0
[ 50.084839][ C1] run_timer_softirq+0x6a/0xf0
[ 50.089657][ C1] handle_softirqs+0x250/0x560
[ 50.094882][ C1] __do_softirq+0xb/0xd
[ 50.099098][ C1] do_softirq+0xdc/0x130
[ 50.103458][ C1]
[ 50.106459][ C1]
[ 50.109586][ C1] ? __local_bh_enable_ip+0x80/0x80
[ 50.114819][ C1] ? __local_bh_enable_ip+0x58/0x80
[ 50.120061][ C1] __local_bh_enable_ip+0x75/0x80
[ 50.125507][ C1] _raw_spin_unlock_bh+0x51/0x60
[ 50.130781][ C1] fib6_clean_all+0x1c9/0x270
[ 50.135849][ C1] ? rt6_sync_down_dev+0x140/0x140
[ 50.141353][ C1] ? fib6_del+0xf00/0xf00
[ 50.146547][ C1] ? node_free_rcu+0x30/0x30
[ 50.151544][ C1] ? rt6_sync_down_dev+0x140/0x140
[ 50.156684][ C1] ? __kasan_check_write+0x14/0x20
[ 50.161834][ C1] rt6_disable_ip+0x115/0x730
[ 50.166636][ C1] ? __queue_work+0x903/0xc60
[ 50.171430][ C1] ? fib6_ifdown+0x4e0/0x4e0
[ 50.176336][ C1] ? __kasan_check_read+0x11/0x20
[ 50.181401][ C1] addrconf_ifdown+0x144/0x1910
[ 50.186632][ C1] ? nf_nat_masq_schedule+0x22d/0x4d0
[ 50.192579][ C1] ? addrconf_cleanup+0x1c0/0x1c0
[ 50.200309][ C1] ? __kasan_check_write+0x14/0x20
[ 50.206331][ C1] ? mutex_unlock+0x8f/0x230
[ 50.211230][ C1] ? __mutex_lock_slowpath+0x10/0x10
[ 50.217094][ C1] ? nf_nat_masq_schedule+0x4d0/0x4d0
[ 50.222829][ C1] ? masq_device_event+0xd0/0xd0
[ 50.228548][ C1] addrconf_notify+0x3bd/0xe00
[ 50.233612][ C1] raw_notifier_call_chain+0x90/0x100
[ 50.239025][ C1] dev_close_many+0x325/0x4d0
[ 50.244187][ C1] ? __dev_open+0x500/0x500
[ 50.249141][ C1] ? __kasan_check_read+0x11/0x20
[ 50.254625][ C1] unregister_netdevice_many+0x477/0x1a00
[ 50.261983][ C1] ? __queue_work+0x903/0xc60
[ 50.268428][ C1] ? alloc_netdev_mqs+0xe20/0xe20
[ 50.275556][ C1] ? __queue_delayed_work+0x188/0x200
[ 50.281757][ C1] ? __kasan_check_read+0x11/0x20
[ 50.288383][ C1] unregister_netdevice_queue+0x2e1/0x320
[ 50.294683][ C1] ? __kasan_check_read+0x11/0x20
[ 50.300172][ C1] ? linkwatch_urgent_event+0x34d/0x460
[ 50.306869][ C1] ? list_netdevice+0x4c0/0x4c0
[ 50.312187][ C1] __tun_detach+0xc9d/0x1450
[ 50.317337][ C1] tun_chr_close+0x92/0x140
[ 50.323634][ C1] ? tun_chr_open+0x540/0x540
[ 50.330189][ C1] __fput+0x22b/0x900
[ 50.335602][ C1] ____fput+0x15/0x20
[ 50.339886][ C1] task_work_run+0x127/0x190
[ 50.344754][ C1] do_exit+0xb70/0x29a0
[ 50.349233][ C1] ? put_task_struct+0x90/0x90
[ 50.354296][ C1] ? __fdget_pos+0x1f7/0x380
[ 50.359215][ C1] ? ksys_write+0x1eb/0x260
[ 50.360703][ T20] FAULT_INJECTION: forcing a failure.
[ 50.360703][ T20] name failslab, interval 1, probability 10, space 0, times 82
[ 50.364047][ C1] do_group_exit+0x149/0x310
[ 50.384847][ C1] __x64_sys_exit_group+0x3f/0x40
[ 50.391607][ C1] x64_sys_call+0x832/0x9a0
[ 50.396622][ C1] do_syscall_64+0x4c/0xa0
[ 50.402014][ C1] ? clear_bhb_loop+0x50/0xa0
[ 50.407306][ C1] ? clear_bhb_loop+0x50/0xa0
[ 50.412575][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 50.418781][ C1] RIP: 0033:0x7f9802ef8e99
[ 50.423659][ C1] Code: Unable to access opcode bytes at RIP 0x7f9802ef8e6f.
[ 50.429859][ T2] FAULT_INJECTION: forcing a failure.
[ 50.429859][ T2] name failslab, interval 1, probability 10, space 0, times 82
[ 50.433160][ C1] RSP: 002b:00007ffd8176e6c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 50.447026][ T8] FAULT_INJECTION: forcing a failure.
[ 50.447026][ T8] name failslab, interval 1, probability 10, space 0, times 82
[ 50.455487][ C1] RAX: ffffffffffffffda RBX: 00007f9802f8e316 RCX: 00007f9802ef8e99
[ 50.455509][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
[ 50.455521][ C1] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f9802f8e30a
[ 50.455533][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd8176f920
[ 50.501784][ C1] R13: 00007f9802f8e30a R14: 000000000000ad2a R15: 00007ffd8176f960
[ 50.510279][ C1]
[ 50.513681][ T20] CPU: 0 PID: 20 Comm: kworker/0:1 Not tainted syzkaller #0
[ 50.521003][ T20] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 50.531304][ T20] Workqueue: mld mld_ifc_work
[ 50.536052][ T20] Call Trace:
[ 50.539450][ T20]
[ 50.542715][ T20] __dump_stack+0x21/0x30
[ 50.547216][ T20] dump_stack_lvl+0x110/0x170
[ 50.552937][ T20] ? show_regs_print_info+0x20/0x20
[ 50.558444][ T20] ? prandom_u32+0x24d/0x290
[ 50.563584][ T20] dump_stack+0x15/0x20
[ 50.568031][ T20] should_fail+0x3ab/0x500
[ 50.572493][ T20] ? mld_newpack+0x143/0x9e0
[ 50.577101][ T20] __should_failslab+0xa4/0xe0
[ 50.582224][ T20] should_failslab+0x9/0x20
[ 50.587004][ T20] slab_pre_alloc_hook+0x39/0xd0
[ 50.592915][ T20] ? mld_newpack+0x143/0x9e0
[ 50.597680][ T20] ? mld_newpack+0x143/0x9e0
[ 50.602388][ T20] __kmalloc_track_caller+0x6c/0x2c0
[ 50.607785][ T20] ? mld_newpack+0x143/0x9e0
[ 50.612669][ T20] ? mld_newpack+0x143/0x9e0
[ 50.617822][ T20] __alloc_skb+0x210/0x730
[ 50.623469][ T20] mld_newpack+0x143/0x9e0
[ 50.628547][ T20] ? __local_bh_enable_ip+0x58/0x80
[ 50.634650][ T20] ? local_bh_enable+0x1f/0x30
[ 50.639452][ T20] ? send6+0x496/0x680
[ 50.644236][ T20] ? mld_sendpack+0xba0/0xba0
[ 50.649341][ T20] add_grec+0xee8/0x1340
[ 50.653945][ T20] ? wait_for_completion_killable_timeout+0x10/0x10
[ 50.660623][ T20] mld_ifc_work+0x728/0xc40
[ 50.665921][ T20] process_one_work+0x6c8/0xbb0
[ 50.671886][ T20] worker_thread+0xaa0/0x1250
[ 50.677085][ T20] ? __kasan_check_read+0x11/0x20
[ 50.682161][ T20] kthread+0x3f5/0x4f0
[ 50.686490][ T20] ? worker_clr_flags+0x190/0x190
[ 50.692263][ T20] ? kthread_blkcg+0xd0/0xd0
[ 50.698134][ T20] ret_from_fork+0x1f/0x30
[ 50.702767][ T20]
[ 50.706055][ T39] CPU: 1 PID: 39 Comm: kworker/1:1 Not tainted syzkaller #0
[ 50.713460][ T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 50.724047][ T39] Workqueue: mld mld_ifc_work
[ 50.728764][ T39] Call Trace:
[ 50.732168][ T39]
[ 50.735239][ T39] __dump_stack+0x21/0x30
[ 50.739955][ T39] dump_stack_lvl+0x110/0x170
[ 50.744681][ T39] ? show_regs_print_info+0x20/0x20
[ 50.750365][ T39] dump_stack+0x15/0x20
[ 50.754953][ T39] should_fail+0x3ab/0x500
[ 50.759863][ T39] __should_failslab+0xa4/0xe0
[ 50.765043][ T39] should_failslab+0x9/0x20
[ 50.770177][ T39] slab_pre_alloc_hook+0x39/0xd0
[ 50.775780][ T39] ? __alloc_skb+0xe4/0x730
[ 50.780499][ T39] kmem_cache_alloc+0x44/0x260
[ 50.785375][ T39] __alloc_skb+0xe4/0x730
[ 50.790357][ T39] mld_newpack+0x143/0x9e0
[ 50.794884][ T39] ? mld_sendpack+0xba0/0xba0
[ 50.799839][ T39] ? add_grec+0x1340/0x1340
[ 50.804848][ T39] ? add_grec+0xf70/0x1340
[ 50.809594][ T39] add_grec+0xee8/0x1340
[ 50.813968][ T39] ? wait_for_completion_killable_timeout+0x10/0x10
[ 50.821418][ T39] mld_ifc_work+0x728/0xc40
[ 50.826074][ T39] process_one_work+0x6c8/0xbb0
[ 50.831101][ T39] worker_thread+0xaa0/0x1250
[ 50.836177][ T39] ? __kasan_check_read+0x11/0x20
[ 50.841245][ T39] kthread+0x3f5/0x4f0
[ 50.845570][ T39] ? worker_clr_flags+0x190/0x190
[ 50.850623][ T39] ? kthread_blkcg+0xd0/0xd0
[ 50.855363][ T39] ret_from_fork+0x1f/0x30
[ 50.859804][ T39]
[ 50.862870][ T8] CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted syzkaller #0
[ 50.868609][ T371] FAULT_INJECTION: forcing a failure.
[ 50.868609][ T371] name failslab, interval 1, probability 10, space 0, times 80
[ 50.870883][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 50.870898][ T8] Workqueue: 0x0 (events_unbound)
[ 50.870923][ T8] Call Trace:
[ 50.870929][ T8]
[ 50.870936][ T8] __dump_stack+0x21/0x30
[ 50.911231][ T8] dump_stack_lvl+0x110/0x170
[ 50.916241][ T8] ? show_regs_print_info+0x20/0x20
[ 50.921794][ T8] ? prandom_u32+0x266/0x290
[ 50.927131][ T8] ? prandom_u32+0x26b/0x290
[ 50.932100][ T8] dump_stack+0x15/0x20
[ 50.936476][ T8] should_fail+0x3ab/0x500
[ 50.941689][ T8] __should_failslab+0xa4/0xe0
[ 50.946786][ T8] should_failslab+0x9/0x20
[ 50.951517][ T8] slab_pre_alloc_hook+0x39/0xd0
[ 50.956776][ T8] kmem_cache_alloc_trace+0x48/0x270
[ 50.962577][ T8] ? __kthread_create_on_node+0x148/0x570
[ 50.969662][ T8] ? worker_clr_flags+0x190/0x190
[ 50.975574][ T8] __kthread_create_on_node+0x148/0x570
[ 50.984495][ T8] ? pointer+0xc60/0xc60
[ 50.990457][ T8] ? kthread_create_on_node+0x140/0x140
[ 50.997453][ T8] ? vsnprintf+0x189d/0x1990
[ 51.002789][ T8] ? worker_clr_flags+0x190/0x190
[ 51.010872][ T8] ? worker_clr_flags+0x190/0x190
[ 51.016607][ T8] kthread_create_on_node+0xe8/0x140
[ 51.023657][ T8] ? tsk_fork_get_node+0x10/0x10
[ 51.028748][ T8] ? create_worker+0xee/0x780
[ 51.033856][ T8] create_worker+0x36f/0x780
[ 51.038716][ T8] ? workqueue_prepare_cpu+0x170/0x170
[ 51.044988][ T8] worker_thread+0x4c0/0x1250
[ 51.049813][ T8] kthread+0x3f5/0x4f0
[ 51.053940][ T8] ? worker_clr_flags+0x190/0x190
[ 51.059545][ T8] ? kthread_blkcg+0xd0/0xd0
[ 51.065109][ T8] ret_from_fork+0x1f/0x30
[ 51.070539][ T8]
[ 51.074182][ T371] CPU: 1 PID: 371 Comm: kworker/1:3 Not tainted syzkaller #0
[ 51.082566][ T371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 51.096705][ T371] Workqueue: mld mld_ifc_work
[ 51.102248][ T371] Call Trace:
[ 51.105960][ T371]
[ 51.110276][ T371] __dump_stack+0x21/0x30
[ 51.115959][ T371] dump_stack_lvl+0x110/0x170
[ 51.122657][ T371] ? show_regs_print_info+0x20/0x20
[ 51.130701][ T371] dump_stack+0x15/0x20
[ 51.135439][ T371] should_fail+0x3ab/0x500
[ 51.141406][ T371] __should_failslab+0xa4/0xe0
[ 51.147908][ T371] should_failslab+0x9/0x20
[ 51.153220][ T371] slab_pre_alloc_hook+0x39/0xd0
[ 51.158982][ T371] ? __alloc_skb+0xe4/0x730
[ 51.164449][ T371] kmem_cache_alloc+0x44/0x260
[ 51.170051][ T371] __alloc_skb+0xe4/0x730
[ 51.174813][ T371] mld_newpack+0x143/0x9e0
[ 51.181739][ T371] ? mld_sendpack+0xba0/0xba0
[ 51.187636][ T371] ? add_grec+0x1340/0x1340
[ 51.192267][ T371] ? add_grec+0xf70/0x1340
[ 51.197491][ T371] add_grec+0xee8/0x1340
[ 51.202171][ T371] ? wait_for_completion_killable_timeout+0x10/0x10
[ 51.209243][ T371] mld_ifc_work+0x728/0xc40
[ 51.214629][ T371] process_one_work+0x6c8/0xbb0
[ 51.219763][ T371] worker_thread+0xaa0/0x1250
[ 51.224645][ T371] ? __kasan_check_read+0x11/0x20
[ 51.230461][ T371] kthread+0x3f5/0x4f0
[ 51.236475][ T371] ? worker_clr_flags+0x190/0x190
[ 51.242377][ T371] ? kthread_blkcg+0xd0/0xd0
[ 51.247292][ T371] ret_from_fork+0x1f/0x30
[ 51.253729][ T371]
[ 51.257261][ T90] CPU: 0 PID: 90 Comm: klogd Not tainted syzkaller #0
[ 51.258256][ T371] FAULT_INJECTION: forcing a failure.
[ 51.258256][ T371] name failslab, interval 1, probability 10, space 0, times 79
[ 51.265085][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 51.265202][ T90] Call Trace:
[ 51.265213][ T90]
[ 51.265222][ T90] __dump_stack+0x21/0x30
[ 51.265246][ T90] dump_stack_lvl+0x110/0x170
[ 51.265263][ T90] ? show_regs_print_info+0x20/0x20
[ 51.265281][ T90] ? prandom_u32+0x24d/0x290
[ 51.265300][ T90] dump_stack+0x15/0x20
[ 51.265326][ T90] should_fail+0x3ab/0x500
[ 51.265351][ T90] __should_failslab+0xa4/0xe0
[ 51.339472][ T90] should_failslab+0x9/0x20
[ 51.344675][ T90] slab_pre_alloc_hook+0x39/0xd0
[ 51.349954][ T90] ? __alloc_file+0x28/0x2a0
[ 51.354600][ T90] kmem_cache_alloc+0x44/0x260
[ 51.359958][ T90] __alloc_file+0x28/0x2a0
[ 51.364687][ T90] alloc_empty_file+0x97/0x180
[ 51.369697][ T90] alloc_file+0x59/0x580
[ 51.374168][ T90] alloc_file_pseudo+0x180/0x200
[ 51.379365][ T90] ? alloc_empty_file_noaccount+0x80/0x80
[ 51.385617][ T90] sock_alloc_file+0xba/0x260
[ 51.391262][ T90] __sys_socket+0x12b/0x190
[ 51.395863][ T90] __x64_sys_socket+0x7a/0x90
[ 51.401179][ T90] x64_sys_call+0x8c5/0x9a0
[ 51.405851][ T90] do_syscall_64+0x4c/0xa0
[ 51.410684][ T90] ? clear_bhb_loop+0x50/0xa0
[ 51.415409][ T90] ? clear_bhb_loop+0x50/0xa0
[ 51.420201][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 51.427112][ T90] RIP: 0033:0x7f707502b707
[ 51.431748][ T90] 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
[ 51.453776][ T90] RSP: 002b:00007fffd0776398 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
[ 51.462646][ T90] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f707502b707
[ 51.470815][ T90] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001
[ 51.480592][ T90] RBP: 00007f70750b7560 R08: 0000000000000073 R09: 0000000000000001
[ 51.489167][ T90] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[ 51.497262][ T90] R13: 00007fffd07764c0 R14: 000000000000003a R15: 00007fffd07764c0
[ 51.505400][ T90]
[ 51.508454][ T2] CPU: 1 PID: 2 Comm: kthreadd Not tainted syzkaller #0
[ 51.512748][ T472] FAULT_INJECTION: forcing a failure.
[ 51.512748][ T472] name failslab, interval 1, probability 10, space 0, times 79
[ 51.515971][ T2] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 51.542123][ T2] Call Trace:
[ 51.546695][ T2]
[ 51.550238][ T2] __dump_stack+0x21/0x30
[ 51.555576][ T2] dump_stack_lvl+0x110/0x170
[ 51.562097][ T2] ? show_regs_print_info+0x20/0x20
[ 51.568261][ T2] ? prandom_u32+0x24d/0x290
[ 51.573263][ T2] dump_stack+0x15/0x20
[ 51.578230][ T2] should_fail+0x3ab/0x500
[ 51.583772][ T2] __should_failslab+0xa4/0xe0
[ 51.589193][ T2] should_failslab+0x9/0x20
[ 51.593927][ T2] slab_pre_alloc_hook+0x39/0xd0
[ 51.599237][ T2] ? alloc_pid+0x99/0xae0
[ 51.603955][ T2] kmem_cache_alloc+0x44/0x260
[ 51.608761][ T2] alloc_pid+0x99/0xae0
[ 51.613482][ T2] ? copy_thread+0x4f2/0x770
[ 51.618212][ T2] copy_process+0x138d/0x3280
[ 51.623276][ T2] ? __pidfd_prepare+0x150/0x150
[ 51.629059][ T2] ? __switch_to+0x56c/0x1070
[ 51.633915][ T2] kernel_clone+0x233/0x960
[ 51.638578][ T2] ? create_io_thread+0x170/0x170
[ 51.644362][ T2] ? finish_task_switch+0x16b/0x790
[ 51.650749][ T2] ? kthread_blkcg+0xd0/0xd0
[ 51.655474][ T2] kernel_thread+0xfe/0x170
[ 51.660143][ T2] ? ptrace_event_pid+0x180/0x180
[ 51.665205][ T2] ? kthread_blkcg+0xd0/0xd0
[ 51.669829][ T2] ? _raw_spin_trylock_bh+0x150/0x150
[ 51.675240][ T2] ? __kasan_check_read+0x11/0x20
[ 51.680597][ T2] kthreadd+0x346/0x480
[ 51.684973][ T2] ? tokenize_frame_descr+0x93/0xc0
[ 51.690370][ T2] ? kthread_stop+0x3e0/0x3e0
[ 51.695494][ T2] ? _raw_spin_unlock_irq+0x4e/0x70
[ 51.701168][ T2] ? calculate_sigpending+0x7c/0x90
[ 51.706596][ T2] ? kthread_stop+0x3e0/0x3e0
[ 51.711469][ T2] ret_from_fork+0x1f/0x30
[ 51.716476][ T2]
[ 51.719709][ T64] CPU: 0 PID: 64 Comm: jbd2/sda1-8 Not tainted syzkaller #0
[ 51.727976][ T64] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 51.739183][ T64] Call Trace:
[ 51.742771][ T64]
[ 51.745865][ T64] __dump_stack+0x21/0x30
[ 51.750890][ T64] dump_stack_lvl+0x110/0x170
[ 51.756018][ T64] ? show_regs_print_info+0x20/0x20
[ 51.761479][ T64] ? prandom_u32+0x24d/0x290
[ 51.766643][ T64] dump_stack+0x15/0x20
[ 51.771143][ T64] should_fail+0x3ab/0x500
[ 51.775794][ T64] __should_failslab+0xa4/0xe0
[ 51.780902][ T64] should_failslab+0x9/0x20
[ 51.785455][ T64] slab_pre_alloc_hook+0x39/0xd0
[ 51.790815][ T64] ? mempool_alloc_slab+0x1d/0x30
[ 51.795912][ T64] kmem_cache_alloc+0x44/0x260
[ 51.800779][ T64] ? submit_bio_noacct+0x762/0x800
[ 51.806084][ T64] ? mempool_free+0x330/0x330
[ 51.810931][ T64] mempool_alloc_slab+0x1d/0x30
[ 51.816015][ T64] mempool_alloc+0x167/0x4c0
[ 51.821221][ T64] ? chksum_update+0x47/0xa0
[ 51.826185][ T64] ? fscrypt_set_bio_crypt_ctx+0x179/0x4f0
[ 51.832299][ T64] ? crypto_shash_update+0x216/0x300
[ 51.837920][ T64] ? mempool_resize+0x880/0x880
[ 51.843984][ T64] ? blkcg_set_ioprio+0x1f6/0x320
[ 51.850123][ T64] ? submit_bio+0x367/0x620
[ 51.855278][ T64] ? submit_bio_noacct+0x800/0x800
[ 51.860959][ T64] bio_alloc_bioset+0x124/0x910
[ 51.865853][ T64] submit_bh_wbc+0x1c2/0x680
[ 51.870565][ T64] submit_bh+0x2a/0x40
[ 51.875024][ T64] jbd2_journal_commit_transaction+0x2461/0x5650
[ 51.881665][ T64] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0
[ 51.888715][ T64] ? __switch_to+0x56c/0x1070
[ 51.893852][ T64] ? compat_start_thread+0x20/0x20
[ 51.899014][ T64] ? _raw_spin_unlock+0x4d/0x70
[ 51.904503][ T64] ? _raw_spin_lock+0xf0/0xf0
[ 51.909229][ T64] ? __kasan_check_write+0x14/0x20
[ 51.914656][ T64] ? _raw_spin_lock_irqsave+0xc2/0x130
[ 51.920237][ T64] ? _raw_spin_lock+0xf0/0xf0
[ 51.925098][ T64] ? detach_if_pending+0xf5/0x300
[ 51.930585][ T64] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 51.936595][ T64] ? del_timer_sync+0x144/0x1a0
[ 51.941464][ T64] kjournald2+0x43d/0x860
[ 51.945930][ T64] ? jbd2_seq_info_show+0x5c0/0x5c0
[ 51.951585][ T64] ? io_schedule+0xe0/0xe0
[ 51.956408][ T64] ? __kasan_check_read+0x11/0x20
[ 51.961742][ T64] ? __kthread_parkme+0xab/0x1f0
[ 51.966980][ T64] kthread+0x3f5/0x4f0
[ 51.971301][ T64] ? jbd2_seq_info_show+0x5c0/0x5c0
[ 51.976737][ T64] ? kthread_blkcg+0xd0/0xd0
[ 51.981472][ T64] ret_from_fork+0x1f/0x30
[ 51.986223][ T64]
[ 51.989320][ T371] CPU: 1 PID: 371 Comm: kworker/1:3 Not tainted syzkaller #0
[ 51.993034][ T20] FAULT_INJECTION: forcing a failure.
[ 51.993034][ T20] name failslab, interval 1, probability 10, space 0, times 77
[ 51.996864][ T371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 52.020530][ T371] Workqueue: mld mld_ifc_work
[ 52.026034][ T371] Call Trace:
[ 52.029548][ T371]
[ 52.032511][ T371] __dump_stack+0x21/0x30
[ 52.036976][ T371] dump_stack_lvl+0x110/0x170
[ 52.042282][ T371] ? show_regs_print_info+0x20/0x20
[ 52.047755][ T371] ? prandom_u32+0x24d/0x290
[ 52.052586][ T371] dump_stack+0x15/0x20
[ 52.056787][ T371] should_fail+0x3ab/0x500
[ 52.061241][ T371] ? mld_newpack+0x143/0x9e0
[ 52.066038][ T371] __should_failslab+0xa4/0xe0
[ 52.071435][ T371] should_failslab+0x9/0x20
[ 52.075977][ T371] slab_pre_alloc_hook+0x39/0xd0
[ 52.081496][ T371] ? mld_newpack+0x143/0x9e0
[ 52.087485][ T371] ? mld_newpack+0x143/0x9e0
[ 52.092310][ T371] __kmalloc_track_caller+0x6c/0x2c0
[ 52.097858][ T371] ? mld_newpack+0x143/0x9e0
[ 52.102674][ T371] ? mld_newpack+0x143/0x9e0
[ 52.107871][ T371] __alloc_skb+0x210/0x730
[ 52.112506][ T371] mld_newpack+0x143/0x9e0
[ 52.117596][ T371] ? mld_sendpack+0xba0/0xba0
[ 52.122407][ T371] ? add_grec+0x1340/0x1340
[ 52.127666][ T371] ? add_grec+0xf70/0x1340
[ 52.132305][ T371] add_grec+0xee8/0x1340
[ 52.136968][ T371] ? wait_for_completion_killable_timeout+0x10/0x10
[ 52.144127][ T371] mld_ifc_work+0x728/0xc40
[ 52.149848][ T371] process_one_work+0x6c8/0xbb0
[ 52.154941][ T371] worker_thread+0xaa0/0x1250
[ 52.159767][ T371] ? __kasan_check_read+0x11/0x20
[ 52.165502][ T371] kthread+0x3f5/0x4f0
[ 52.169694][ T371] ? worker_clr_flags+0x190/0x190
[ 52.175118][ T371] ? kthread_blkcg+0xd0/0xd0
[ 52.179742][ T371] ret_from_fork+0x1f/0x30
[ 52.184662][ T371]
[ 52.188250][ T472] CPU: 0 PID: 472 Comm: syz-executor Not tainted syzkaller #0
[ 52.189090][ T90] FAULT_INJECTION: forcing a failure.
[ 52.189090][ T90] name failslab, interval 1, probability 10, space 0, times 75
[ 52.195845][ T472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 52.195860][ T472] Call Trace:
[ 52.195865][ T472]
[ 52.195872][ T472] __dump_stack+0x21/0x30
[ 52.195896][ T472] dump_stack_lvl+0x110/0x170
[ 52.237243][ T472] ? show_regs_print_info+0x20/0x20
[ 52.239449][ T371] FAULT_INJECTION: forcing a failure.
[ 52.239449][ T371] name failslab, interval 1, probability 10, space 0, times 74
[ 52.243064][ T472] dump_stack+0x15/0x20
[ 52.260973][ T472] should_fail+0x3ab/0x500
[ 52.266029][ T472] ? rtmsg_fib+0x5fe/0xe20
[ 52.271233][ T472] __should_failslab+0xa4/0xe0
[ 52.276314][ T472] should_failslab+0x9/0x20
[ 52.280961][ T472] slab_pre_alloc_hook+0x39/0xd0
[ 52.286221][ T472] ? rtmsg_fib+0x5fe/0xe20
[ 52.291139][ T472] ? rtmsg_fib+0x5fe/0xe20
[ 52.295590][ T472] __kmalloc_track_caller+0x6c/0x2c0
[ 52.300928][ T472] ? rtmsg_fib+0x5fe/0xe20
[ 52.306167][ T472] ? rtmsg_fib+0x5fe/0xe20
[ 52.310885][ T472] __alloc_skb+0x210/0x730
[ 52.315636][ T472] rtmsg_fib+0x5fe/0xe20
[ 52.319926][ T472] fib_table_delete+0xcbe/0x1180
[ 52.325064][ T472] ? nexthop_get_nhc_lookup+0x820/0x820
[ 52.330663][ T472] ? kasan_set_track+0x5b/0x70
[ 52.335552][ T472] ? kasan_set_track+0x4a/0x70
[ 52.340522][ T472] ? kasan_set_free_info+0x23/0x40
[ 52.345652][ T472] ? ____kasan_slab_free+0x125/0x160
[ 52.351240][ T472] ? __kasan_slab_free+0x11/0x20
[ 52.356600][ T472] ? slab_free_freelist_hook+0xc2/0x190
[ 52.362356][ T472] ? kmem_cache_free+0x100/0x320
[ 52.367576][ T472] ? fib_new_table+0x10d/0x2b0
[ 52.372684][ T472] fib_del_ifaddr+0x16fb/0x1c80
[ 52.377814][ T472] ? tun_chr_close+0x92/0x140
[ 52.382760][ T472] ? task_work_run+0x127/0x190
[ 52.387654][ T472] ? do_syscall_64+0x4c/0xa0
[ 52.392490][ T472] ? fib_modify_prefix_metric+0x800/0x800
[ 52.398248][ T472] ? __kasan_check_write+0x14/0x20
[ 52.403523][ T472] ? _raw_spin_lock_irqsave+0xc2/0x130
[ 52.409156][ T472] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 52.415204][ T472] ? __kasan_check_write+0x14/0x20
[ 52.420447][ T472] ? rwsem_read_trylock+0x2af/0x640
[ 52.425751][ T472] ? down_read+0xab/0x100
[ 52.430239][ T472] fib_inetaddr_event+0xc9/0x310
[ 52.435434][ T472] blocking_notifier_call_chain+0xba/0x140
[ 52.441791][ T472] __inet_del_ifa+0x81f/0xd90
[ 52.446638][ T472] ? ip_mc_destroy_dev+0x2a3/0x2e0
[ 52.451792][ T472] inetdev_event+0x646/0x1060
[ 52.456635][ T472] ? devinet_exit_net+0x220/0x220
[ 52.461694][ T472] ? up_read+0x56/0x1d0
[ 52.465878][ T472] raw_notifier_call_chain+0x90/0x100
[ 52.472145][ T472] unregister_netdevice_many+0x103d/0x1a00
[ 52.478208][ T472] ? alloc_netdev_mqs+0xe20/0xe20
[ 52.483786][ T472] ? __queue_delayed_work+0x188/0x200
[ 52.489820][ T472] ? __kasan_check_read+0x11/0x20
[ 52.495022][ T472] unregister_netdevice_queue+0x2e1/0x320
[ 52.500906][ T472] ? __kasan_check_read+0x11/0x20
[ 52.506057][ T472] ? linkwatch_urgent_event+0x34d/0x460
[ 52.511943][ T472] ? list_netdevice+0x4c0/0x4c0
[ 52.516943][ T472] __tun_detach+0xc9d/0x1450
[ 52.521663][ T472] tun_chr_close+0x92/0x140
[ 52.526212][ T472] ? tun_chr_open+0x540/0x540
[ 52.531084][ T472] __fput+0x22b/0x900
[ 52.535114][ T472] ____fput+0x15/0x20
[ 52.539265][ T472] task_work_run+0x127/0x190
[ 52.544056][ T472] do_exit+0xb70/0x29a0
[ 52.548311][ T472] ? put_task_struct+0x90/0x90
[ 52.549611][ T64] FAULT_INJECTION: forcing a failure.
[ 52.549611][ T64] name failslab, interval 1, probability 10, space 0, times 73
[ 52.553101][ T472] ? __fdget_pos+0x1f7/0x380
[ 52.571110][ T472] ? ksys_write+0x1eb/0x260
[ 52.575852][ T472] do_group_exit+0x149/0x310
[ 52.581278][ T472] __x64_sys_exit_group+0x3f/0x40
[ 52.586436][ T472] x64_sys_call+0x832/0x9a0
[ 52.590974][ T472] do_syscall_64+0x4c/0xa0
[ 52.595409][ T472] ? clear_bhb_loop+0x50/0xa0
[ 52.600264][ T472] ? clear_bhb_loop+0x50/0xa0
[ 52.604995][ T472] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 52.611017][ T472] RIP: 0033:0x7f9802ef8e99
[ 52.615519][ T472] Code: Unable to access opcode bytes at RIP 0x7f9802ef8e6f.
[ 52.623404][ T472] RSP: 002b:00007ffd8176e6c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 52.631892][ T472] RAX: ffffffffffffffda RBX: 00007f9802f8e316 RCX: 00007f9802ef8e99
[ 52.640360][ T472] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
[ 52.649188][ T472] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f9802f8e30a
[ 52.657398][ T472] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd8176f920
[ 52.666537][ T472] R13: 00007f9802f8e30a R14: 000000000000ad2a R15: 00007ffd8176f960
[ 52.674983][ T472]
[ 52.678052][ T90] CPU: 1 PID: 90 Comm: klogd Not tainted syzkaller #0
[ 52.684956][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 52.695127][ T90] Call Trace:
[ 52.698427][ T90]
[ 52.701395][ T90] __dump_stack+0x21/0x30
[ 52.707172][ T90] dump_stack_lvl+0x110/0x170
[ 52.712899][ T90] ? show_regs_print_info+0x20/0x20
[ 52.718152][ T90] ? prandom_u32+0x24d/0x290
[ 52.722876][ T90] dump_stack+0x15/0x20
[ 52.727083][ T90] should_fail+0x3ab/0x500
[ 52.731708][ T90] __should_failslab+0xa4/0xe0
[ 52.736812][ T90] should_failslab+0x9/0x20
[ 52.741556][ T90] slab_pre_alloc_hook+0x39/0xd0
[ 52.746539][ T90] ? security_inode_alloc+0x33/0x110
[ 52.752190][ T90] kmem_cache_alloc+0x44/0x260
[ 52.757036][ T90] security_inode_alloc+0x33/0x110
[ 52.762276][ T90] inode_init_always+0x72c/0x9b0
[ 52.767330][ T90] new_inode_pseudo+0x91/0x210
[ 52.772378][ T90] __sock_create+0x12c/0x7a0
[ 52.777509][ T90] __sys_socket+0xec/0x190
[ 52.782454][ T90] __x64_sys_socket+0x7a/0x90
[ 52.787617][ T90] x64_sys_call+0x8c5/0x9a0
[ 52.792548][ T90] do_syscall_64+0x4c/0xa0
[ 52.797151][ T90] ? clear_bhb_loop+0x50/0xa0
[ 52.802081][ T90] ? clear_bhb_loop+0x50/0xa0
[ 52.807067][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 52.813112][ T90] RIP: 0033:0x7f707502b707
[ 52.817832][ T90] 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
[ 52.838854][ T90] RSP: 002b:00007fffd0776398 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
[ 52.848045][ T90] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f707502b707
[ 52.856604][ T90] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001
[ 52.865034][ T90] RBP: 00007f70750b7560 R08: 0000000000000073 R09: 0000000000000001
[ 52.873243][ T90] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[ 52.881250][ T90] R13: 00007fffd07764c0 R14: 0000000000000054 R15: 00007fffd07764c0
[ 52.889360][ T90]
[ 52.892395][ T20] CPU: 0 PID: 20 Comm: kworker/0:1 Not tainted syzkaller #0
[ 52.892927][ T2] FAULT_INJECTION: forcing a failure.
[ 52.892927][ T2] name failslab, interval 1, probability 10, space 0, times 73
[ 52.899719][ T20] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 52.899734][ T20] Workqueue: mld mld_ifc_work
[ 52.929222][ T20] Call Trace:
[ 52.933221][ T20]
[ 52.936222][ T20] __dump_stack+0x21/0x30
[ 52.940774][ T20] dump_stack_lvl+0x110/0x170
[ 52.945692][ T20] ? show_regs_print_info+0x20/0x20
[ 52.951110][ T20] ? prandom_u32+0x24d/0x290
[ 52.955944][ T20] dump_stack+0x15/0x20
[ 52.960238][ T20] should_fail+0x3ab/0x500
[ 52.965654][ T20] __should_failslab+0xa4/0xe0
[ 52.970607][ T20] should_failslab+0x9/0x20
[ 52.975629][ T20] slab_pre_alloc_hook+0x39/0xd0
[ 52.981135][ T20] ? dst_alloc+0x15c/0x1d0
[ 52.986153][ T20] kmem_cache_alloc+0x44/0x260
[ 52.990972][ T20] ? ipv6_sysctl_rtcache_flush+0x100/0x100
[ 52.997562][ T20] dst_alloc+0x15c/0x1d0
[ 53.002068][ T20] icmp6_dst_alloc+0xec/0x520
[ 53.007515][ T20] ? security_sk_classify_flow+0x7b/0x90
[ 53.015481][ T20] ? icmpv6_flow_init+0xd2/0x130
[ 53.020746][ T20] mld_sendpack+0x4d9/0xba0
[ 53.026211][ T20] ? add_grec+0x1340/0x1340
[ 53.030789][ T20] ? add_grec+0xf70/0x1340
[ 53.035917][ T20] ? memcpy+0x56/0x70
[ 53.040111][ T20] ? wait_for_completion_killable_timeout+0x10/0x10
[ 53.047224][ T20] mld_ifc_work+0x7d7/0xc40
[ 53.052913][ T20] process_one_work+0x6c8/0xbb0
[ 53.058050][ T20] worker_thread+0xaa0/0x1250
[ 53.063625][ T20] ? __kasan_check_read+0x11/0x20
[ 53.068880][ T20] kthread+0x3f5/0x4f0
[ 53.073196][ T20] ? worker_clr_flags+0x190/0x190
[ 53.079085][ T20] ? kthread_blkcg+0xd0/0xd0
[ 53.083914][ T20] ret_from_fork+0x1f/0x30
[ 53.089021][ T20]
[ 53.092085][ T2] CPU: 1 PID: 2 Comm: kthreadd Not tainted syzkaller #0
[ 53.099664][ T2] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 53.109747][ T2] Call Trace:
[ 53.113079][ T2]
[ 53.116031][ T2] __dump_stack+0x21/0x30
[ 53.120394][ T2] dump_stack_lvl+0x110/0x170
[ 53.125221][ T2] ? show_regs_print_info+0x20/0x20
[ 53.131035][ T2] ? prandom_u32+0x24d/0x290
[ 53.136296][ T2] dump_stack+0x15/0x20
[ 53.140927][ T2] should_fail+0x3ab/0x500
[ 53.146225][ T2] __should_failslab+0xa4/0xe0
[ 53.151651][ T2] should_failslab+0x9/0x20
[ 53.157514][ T2] slab_pre_alloc_hook+0x39/0xd0
[ 53.162971][ T2] ? copy_sighand+0x54/0x220
[ 53.167607][ T2] kmem_cache_alloc+0x44/0x260
[ 53.173162][ T2] copy_sighand+0x54/0x220
[ 53.178160][ T2] ? copy_process+0x110b/0x3280
[ 53.183560][ T2] copy_process+0x112c/0x3280
[ 53.189532][ C0] FAULT_INJECTION: forcing a failure.
[ 53.189532][ C0] name failslab, interval 1, probability 10, space 0, times 72
[ 53.189769][ T2] ? __pidfd_prepare+0x150/0x150
[ 53.208654][ T2] ? __switch_to+0x56c/0x1070
[ 53.214482][ T2] kernel_clone+0x233/0x960
[ 53.219158][ T2] ? create_io_thread+0x170/0x170
[ 53.224211][ T2] ? finish_task_switch+0x16b/0x790
[ 53.230140][ T2] ? switch_mm_irqs_off+0x730/0x960
[ 53.235362][ T2] ? kthread_blkcg+0xd0/0xd0
[ 53.240485][ T2] kernel_thread+0xfe/0x170
[ 53.245587][ T2] ? ptrace_event_pid+0x180/0x180
[ 53.251201][ T2] ? kthread_blkcg+0xd0/0xd0
[ 53.255832][ T2] ? _raw_spin_trylock_bh+0x150/0x150
[ 53.261372][ T2] ? __kasan_check_read+0x11/0x20
[ 53.267025][ T2] kthreadd+0x346/0x480
[ 53.271945][ T2] ? tokenize_frame_descr+0x93/0xc0
[ 53.278125][ T2] ? kthread_stop+0x3e0/0x3e0
[ 53.283482][ T2] ? _raw_spin_unlock_irq+0x4e/0x70
[ 53.289972][ T2] ? calculate_sigpending+0x7c/0x90
[ 53.295382][ T2] ? kthread_stop+0x3e0/0x3e0
[ 53.300210][ T2] ret_from_fork+0x1f/0x30
[ 53.304775][ T2]
[ 53.307821][ C0] CPU: 0 PID: 64 Comm: jbd2/sda1-8 Not tainted syzkaller #0
[ 53.315150][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 53.325439][ C0] Call Trace:
[ 53.328904][ C0]
[ 53.331864][ C0] __dump_stack+0x21/0x30
[ 53.336240][ C0] dump_stack_lvl+0x110/0x170
[ 53.341321][ C0] ? show_regs_print_info+0x20/0x20
[ 53.347029][ C0] ? prandom_u32+0x24d/0x290
[ 53.351667][ C0] dump_stack+0x15/0x20
[ 53.355888][ C0] should_fail+0x3ab/0x500
[ 53.360344][ C0] ? wg_packet_send_keepalive+0x62/0x1c0
[ 53.366147][ C0] __should_failslab+0xa4/0xe0
[ 53.370958][ C0] should_failslab+0x9/0x20
[ 53.375677][ C0] slab_pre_alloc_hook+0x39/0xd0
[ 53.381052][ C0] ? wg_packet_send_keepalive+0x62/0x1c0
[ 53.386888][ C0] ? wg_packet_send_keepalive+0x62/0x1c0
[ 53.392884][ C0] __kmalloc_track_caller+0x6c/0x2c0
[ 53.398702][ C0] ? wg_packet_send_keepalive+0x62/0x1c0
[ 53.405036][ C0] ? wg_packet_send_keepalive+0x62/0x1c0
[ 53.411438][ C0] __alloc_skb+0x210/0x730
[ 53.415912][ C0] wg_packet_send_keepalive+0x62/0x1c0
[ 53.421399][ C0] ? wg_expired_send_persistent_keepalive+0x44/0x80
[ 53.428474][ C0] wg_expired_send_persistent_keepalive+0x53/0x80
[ 53.429438][ T90] socket: no more sockets
[ 53.435017][ C0] ? wg_expired_zero_key_material+0x170/0x170
[ 53.446023][ C0] call_timer_fn+0x38/0x290
[ 53.450697][ C0] ? wg_expired_zero_key_material+0x170/0x170
[ 53.456905][ C0] __run_timers+0x637/0x9a0
[ 53.460879][ T90] FAULT_INJECTION: forcing a failure.
[ 53.460879][ T90] name failslab, interval 1, probability 10, space 0, times 71
[ 53.462096][ C0] ? calc_index+0x200/0x200
[ 53.480415][ C0] ? sched_clock_cpu+0x18/0x3d0
[ 53.485943][ C0] run_timer_softirq+0x6a/0xf0
[ 53.491262][ C0] handle_softirqs+0x250/0x560
[ 53.496048][ C0] __irq_exit_rcu+0x52/0xf0
[ 53.500851][ C0] irq_exit_rcu+0x9/0x10
[ 53.505304][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0
[ 53.511603][ C0]
[ 53.515069][ C0]
[ 53.518402][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 53.524889][ C0] RIP: 0010:__printk_wait_on_cpu_lock+0xb/0x40
[ 53.531494][ C0] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fc e4 56 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 55 48 89 e5 e8 d7 74 17 00 f3 90 <48> c7 c7 80 1f 71 86 be 04 00 00 00 e8 14 e6 56 00 8b 05 5e dd 1e
[ 53.552186][ C0] RSP: 0018:ffffc900009374d0 EFLAGS: 00000293
[ 53.558688][ C0] RAX: ffffffff8152422c RBX: ffffffff8564bde0 RCX: ffff88810b522780
[ 53.567563][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff86711f80
[ 53.575782][ C0] RBP: ffffc900009374d0 R08: 0000000000000003 R09: 0000000000000004
[ 53.583874][ C0] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000
[ 53.591906][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000126e9c
[ 53.600135][ C0] ? __printk_wait_on_cpu_lock+0x2c/0x40
[ 53.605902][ C0] dump_stack_lvl+0xce/0x170
[ 53.610608][ C0] ? show_regs_print_info+0x20/0x20
[ 53.615860][ C0] ? prandom_u32+0x24d/0x290
[ 53.620683][ C0] dump_stack+0x15/0x20
[ 53.624956][ C0] should_fail+0x3ab/0x500
[ 53.629482][ C0] __should_failslab+0xa4/0xe0
[ 53.634392][ C0] should_failslab+0x9/0x20
[ 53.638928][ C0] slab_pre_alloc_hook+0x39/0xd0
[ 53.643976][ C0] ? mempool_alloc_slab+0x1d/0x30
[ 53.649217][ C0] kmem_cache_alloc+0x44/0x260
[ 53.654256][ C0] ? submit_bio_noacct+0x762/0x800
[ 53.659486][ C0] ? mempool_free+0x330/0x330
[ 53.664773][ C0] mempool_alloc_slab+0x1d/0x30
[ 53.669934][ C0] mempool_alloc+0x167/0x4c0
[ 53.674816][ C0] ? chksum_update+0x47/0xa0
[ 53.679779][ C0] ? fscrypt_set_bio_crypt_ctx+0x179/0x4f0
[ 53.686053][ C0] ? crypto_shash_update+0x216/0x300
[ 53.691742][ C0] ? mempool_resize+0x880/0x880
[ 53.696733][ C0] ? blkcg_set_ioprio+0x1f6/0x320
[ 53.702268][ C0] ? submit_bio+0x367/0x620
[ 53.707583][ C0] ? submit_bio_noacct+0x800/0x800
[ 53.713750][ C0] bio_alloc_bioset+0x124/0x910
[ 53.719842][ C0] submit_bh_wbc+0x1c2/0x680
[ 53.721304][ T472] FAULT_INJECTION: forcing a failure.
[ 53.721304][ T472] name failslab, interval 1, probability 10, space 0, times 69
[ 53.725065][ C0] submit_bh+0x2a/0x40
[ 53.743231][ C0] jbd2_journal_commit_transaction+0x2461/0x5650
[ 53.749719][ C0] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0
[ 53.756512][ C0] ? __switch_to+0x56c/0x1070
[ 53.761510][ C0] ? compat_start_thread+0x20/0x20
[ 53.767237][ C0] ? _raw_spin_unlock+0x4d/0x70
[ 53.772913][ C0] ? _raw_spin_lock+0xf0/0xf0
[ 53.777845][ C0] ? __kasan_check_write+0x14/0x20
[ 53.783377][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130
[ 53.789625][ C0] ? _raw_spin_lock+0xf0/0xf0
[ 53.794809][ C0] ? detach_if_pending+0xf5/0x300
[ 53.800645][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 53.809090][ C0] ? del_timer_sync+0x144/0x1a0
[ 53.814853][ C0] kjournald2+0x43d/0x860
[ 53.819989][ C0] ? jbd2_seq_info_show+0x5c0/0x5c0
[ 53.828198][ C0] ? io_schedule+0xe0/0xe0
[ 53.835095][ C0] ? __kasan_check_read+0x11/0x20
[ 53.842747][ C0] ? __kthread_parkme+0xab/0x1f0
[ 53.850632][ C0] kthread+0x3f5/0x4f0
[ 53.855502][ C0] ? jbd2_seq_info_show+0x5c0/0x5c0
[ 53.862443][ C0] ? kthread_blkcg+0xd0/0xd0
[ 53.867755][ C0] ret_from_fork+0x1f/0x30
[ 53.872745][ C0]
[ 53.876317][ T90] CPU: 1 PID: 90 Comm: klogd Not tainted syzkaller #0
[ 53.883675][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 53.896197][ T90] Call Trace:
[ 53.900161][ T90]
[ 53.905151][ T90] __dump_stack+0x21/0x30
[ 53.910804][ T90] dump_stack_lvl+0x110/0x170
[ 53.915963][ T90] ? show_regs_print_info+0x20/0x20
[ 53.922058][ T90] ? prandom_u32+0x24d/0x290
[ 53.927821][ T90] dump_stack+0x15/0x20
[ 53.933383][ T90] should_fail+0x3ab/0x500
[ 53.939487][ T90] __should_failslab+0xa4/0xe0
[ 53.944478][ T90] should_failslab+0x9/0x20
[ 53.949031][ T90] slab_pre_alloc_hook+0x39/0xd0
[ 53.955953][ T90] ? __alloc_file+0x28/0x2a0
[ 53.961303][ T90] kmem_cache_alloc+0x44/0x260
[ 53.966349][ T90] __alloc_file+0x28/0x2a0
[ 53.972644][ T90] alloc_empty_file+0x97/0x180
[ 53.979862][ T90] alloc_file+0x59/0x580
[ 53.984881][ T90] alloc_file_pseudo+0x180/0x200
[ 53.990785][ T90] ? alloc_empty_file_noaccount+0x80/0x80
[ 53.997060][ T90] sock_alloc_file+0xba/0x260
[ 54.002318][ T90] __sys_socket+0x12b/0x190
[ 54.006995][ T90] __x64_sys_socket+0x7a/0x90
[ 54.011838][ T90] x64_sys_call+0x8c5/0x9a0
[ 54.016932][ T90] do_syscall_64+0x4c/0xa0
[ 54.021408][ T90] ? clear_bhb_loop+0x50/0xa0
[ 54.026384][ T90] ? clear_bhb_loop+0x50/0xa0
[ 54.031349][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 54.037465][ T90] RIP: 0033:0x7f707502b707
[ 54.042586][ T90] 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
[ 54.064527][ T90] RSP: 002b:00007fffd0776398 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
[ 54.073925][ T90] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f707502b707
[ 54.082827][ T90] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001
[ 54.091521][ T90] RBP: 00007f70750b7560 R08: 0000000000000073 R09: 0000000000000001
[ 54.100747][ T90] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[ 54.109059][ T90] R13: 00007fffd07764c0 R14: 0000000000000070 R15: 00007fffd07764c0
[ 54.117336][ T90]
[ 54.120581][ T64] CPU: 0 PID: 64 Comm: jbd2/sda1-8 Not tainted syzkaller #0
[ 54.128081][ T64] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 54.138243][ T64] Call Trace:
[ 54.141542][ T64]
[ 54.144755][ T64] __dump_stack+0x21/0x30
[ 54.149294][ T64] dump_stack_lvl+0x110/0x170
[ 54.155219][ T64] ? show_regs_print_info+0x20/0x20
[ 54.161725][ T64] ? prandom_u32+0x24d/0x290
[ 54.167615][ T64] dump_stack+0x15/0x20
[ 54.172820][ T64] should_fail+0x3ab/0x500
[ 54.178293][ T64] __should_failslab+0xa4/0xe0
[ 54.184063][ T64] should_failslab+0x9/0x20
[ 54.189898][ T64] slab_pre_alloc_hook+0x39/0xd0
[ 54.195254][ T64] ? mempool_alloc_slab+0x1d/0x30
[ 54.200914][ T64] kmem_cache_alloc+0x44/0x260
[ 54.206234][ T64] ? submit_bio_noacct+0x762/0x800
[ 54.211644][ T64] ? mempool_free+0x330/0x330
[ 54.216427][ T64] mempool_alloc_slab+0x1d/0x30
[ 54.221578][ T64] mempool_alloc+0x167/0x4c0
[ 54.226693][ T64] ? chksum_update+0x47/0xa0
[ 54.231576][ T64] ? fscrypt_set_bio_crypt_ctx+0x179/0x4f0
[ 54.237700][ T64] ? crypto_shash_update+0x216/0x300
[ 54.243694][ T64] ? mempool_resize+0x880/0x880
[ 54.249762][ T64] ? blkcg_set_ioprio+0x1f6/0x320
[ 54.255612][ T64] ? submit_bio+0x367/0x620
[ 54.260441][ T64] ? submit_bio_noacct+0x800/0x800
[ 54.265924][ T64] bio_alloc_bioset+0x124/0x910
[ 54.271514][ T64] submit_bh_wbc+0x1c2/0x680
[ 54.276798][ T64] submit_bh+0x2a/0x40
[ 54.281244][ T64] jbd2_journal_commit_transaction+0x2461/0x5650
[ 54.288063][ T64] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0
[ 54.295321][ T64] ? __switch_to+0x56c/0x1070
[ 54.300126][ T64] ? compat_start_thread+0x20/0x20
[ 54.305526][ T64] ? _raw_spin_unlock+0x4d/0x70
[ 54.310721][ T64] ? _raw_spin_lock+0xf0/0xf0
[ 54.315786][ T64] ? __kasan_check_write+0x14/0x20
[ 54.321044][ T64] ? _raw_spin_lock_irqsave+0xc2/0x130
[ 54.326562][ T64] ? _raw_spin_lock+0xf0/0xf0
[ 54.331426][ T64] ? detach_if_pending+0xf5/0x300
[ 54.336483][ T64] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 54.342533][ T64] ? del_timer_sync+0x144/0x1a0
[ 54.347625][ T64] kjournald2+0x43d/0x860
[ 54.352002][ T64] ? jbd2_seq_info_show+0x5c0/0x5c0
[ 54.357247][ T64] ? io_schedule+0xe0/0xe0
[ 54.361900][ T64] ? __kasan_check_read+0x11/0x20
[ 54.367503][ T64] ? __kthread_parkme+0xab/0x1f0
[ 54.372756][ T64] kthread+0x3f5/0x4f0
[ 54.377488][ T64] ? jbd2_seq_info_show+0x5c0/0x5c0
[ 54.382731][ T64] ? kthread_blkcg+0xd0/0xd0
[ 54.387651][ T64] ret_from_fork+0x1f/0x30
[ 54.392868][ T64]
[ 54.396577][ T472] CPU: 1 PID: 472 Comm: syz-executor Not tainted syzkaller #0
[ 54.397455][ T64] FAULT_INJECTION: forcing a failure.
[ 54.397455][ T64] name failslab, interval 1, probability 10, space 0, times 67
[ 54.407144][ T472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 54.407170][ T472] Call Trace:
[ 54.407288][ T472]
[ 54.441604][ T472] __dump_stack+0x21/0x30
[ 54.446165][ T472] dump_stack_lvl+0x110/0x170
[ 54.450904][ T472] ? show_regs_print_info+0x20/0x20
[ 54.456644][ T472] ? prandom_u32+0x24d/0x290
[ 54.461414][ T472] dump_stack+0x15/0x20
[ 54.465628][ T472] should_fail+0x3ab/0x500
[ 54.470508][ T472] __should_failslab+0xa4/0xe0
[ 54.477174][ T472] should_failslab+0x9/0x20
[ 54.483218][ T472] slab_pre_alloc_hook+0x39/0xd0
[ 54.489274][ T472] ? __alloc_skb+0xe4/0x730
[ 54.493926][ T472] kmem_cache_alloc+0x44/0x260
[ 54.499470][ T472] __alloc_skb+0xe4/0x730
[ 54.504356][ T472] inet6_netconf_notify_devconf+0xd6/0x190
[ 54.511361][ T472] addrconf_ifdown+0x15fd/0x1910
[ 54.516874][ T472] ? addrconf_cleanup+0x1c0/0x1c0
[ 54.522182][ T472] ? __kasan_check_write+0x14/0x20
[ 54.527430][ T472] ? mutex_unlock+0x8f/0x230
[ 54.532332][ T472] ? __mutex_lock_slowpath+0x10/0x10
[ 54.537840][ T472] ? _raw_spin_lock+0x94/0xf0
[ 54.543083][ T472] ? _raw_spin_trylock_bh+0x150/0x150
[ 54.548792][ T472] addrconf_notify+0x3bd/0xe00
[ 54.553970][ T472] raw_notifier_call_chain+0x90/0x100
[ 54.559571][ T472] unregister_netdevice_many+0x103d/0x1a00
[ 54.566256][ T472] ? alloc_netdev_mqs+0xe20/0xe20
[ 54.571880][ T472] ? __queue_delayed_work+0x188/0x200
[ 54.578613][ T472] ? __kasan_check_read+0x11/0x20
[ 54.584499][ T472] unregister_netdevice_queue+0x2e1/0x320
[ 54.590635][ T472] ? __kasan_check_read+0x11/0x20
[ 54.595748][ T472] ? linkwatch_urgent_event+0x34d/0x460
[ 54.601313][ T472] ? list_netdevice+0x4c0/0x4c0
[ 54.606378][ T472] __tun_detach+0xc9d/0x1450
[ 54.611257][ T472] tun_chr_close+0x92/0x140
[ 54.616034][ T472] ? tun_chr_open+0x540/0x540
[ 54.619925][ T90] FAULT_INJECTION: forcing a failure.
[ 54.619925][ T90] name failslab, interval 1, probability 10, space 0, times 66
[ 54.620946][ T472] __fput+0x22b/0x900
[ 54.638857][ T472] ____fput+0x15/0x20
[ 54.643238][ T472] task_work_run+0x127/0x190
[ 54.648265][ T472] do_exit+0xb70/0x29a0
[ 54.652921][ T472] ? put_task_struct+0x90/0x90
[ 54.658892][ T472] ? __fdget_pos+0x1f7/0x380
[ 54.664150][ T472] ? ksys_write+0x1eb/0x260
[ 54.669741][ T472] do_group_exit+0x149/0x310
[ 54.675942][ T472] __x64_sys_exit_group+0x3f/0x40
[ 54.682458][ T472] x64_sys_call+0x832/0x9a0
[ 54.688254][ T472] do_syscall_64+0x4c/0xa0
[ 54.693207][ T472] ? clear_bhb_loop+0x50/0xa0
[ 54.697936][ T472] ? clear_bhb_loop+0x50/0xa0
[ 54.702647][ T472] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 54.708930][ T472] RIP: 0033:0x7f9802ef8e99
[ 54.713585][ T472] Code: Unable to access opcode bytes at RIP 0x7f9802ef8e6f.
[ 54.723002][ T472] RSP: 002b:00007ffd8176e6c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 54.732203][ T472] RAX: ffffffffffffffda RBX: 00007f9802f8e316 RCX: 00007f9802ef8e99
[ 54.740304][ T472] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
[ 54.748599][ T472] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f9802f8e30a
[ 54.756964][ T472] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd8176f920
[ 54.765487][ T472] R13: 00007f9802f8e30a R14: 000000000000ad2a R15: 00007ffd8176f960
[ 54.774225][ T472]
[ 54.777728][ T90] CPU: 0 PID: 90 Comm: klogd Not tainted syzkaller #0
[ 54.778118][ T8] FAULT_INJECTION: forcing a failure.
[ 54.778118][ T8] name failslab, interval 1, probability 10, space 0, times 66
[ 54.785323][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 54.785344][ T90] Call Trace:
[ 54.785350][ T90]
[ 54.785358][ T90] __dump_stack+0x21/0x30
[ 54.785383][ T90] dump_stack_lvl+0x110/0x170
[ 54.785400][ T90] ? show_regs_print_info+0x20/0x20
[ 54.785417][ T90] ? prandom_u32+0x24d/0x290
[ 54.785435][ T90] dump_stack+0x15/0x20
[ 54.785451][ T90] should_fail+0x3ab/0x500
[ 54.785471][ T90] __should_failslab+0xa4/0xe0
[ 54.785491][ T90] should_failslab+0x9/0x20
[ 54.856079][ T90] slab_pre_alloc_hook+0x39/0xd0
[ 54.861249][ T90] ? __alloc_file+0x28/0x2a0
[ 54.865984][ T90] kmem_cache_alloc+0x44/0x260
[ 54.870991][ T90] __alloc_file+0x28/0x2a0
[ 54.875448][ T90] alloc_empty_file+0x97/0x180
[ 54.880342][ T90] alloc_file+0x59/0x580
[ 54.885007][ T90] alloc_file_pseudo+0x180/0x200
[ 54.889984][ T90] ? alloc_empty_file_noaccount+0x80/0x80
[ 54.896406][ T90] sock_alloc_file+0xba/0x260
[ 54.901527][ T90] __sys_socket+0x12b/0x190
[ 54.906175][ T90] __x64_sys_socket+0x7a/0x90
[ 54.911870][ T90] x64_sys_call+0x8c5/0x9a0
[ 54.916519][ T90] do_syscall_64+0x4c/0xa0
[ 54.921317][ T90] ? clear_bhb_loop+0x50/0xa0
[ 54.926393][ T90] ? clear_bhb_loop+0x50/0xa0
[ 54.931369][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 54.937483][ T90] RIP: 0033:0x7f707502b707
[ 54.942151][ T90] 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
[ 54.963322][ T90] RSP: 002b:00007fffd0776398 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
[ 54.972906][ T90] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f707502b707
[ 54.982364][ T90] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001
[ 54.990537][ T90] RBP: 00007f70750b7560 R08: 0000000000000073 R09: 0000000000000001
[ 54.998791][ T90] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[ 55.007142][ T90] R13: 00007fffd07764c0 R14: 0000000000000041 R15: 00007fffd07764c0
[ 55.016198][ T90]
[ 55.019491][ T8] CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted syzkaller #0
[ 55.027163][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 55.038149][ T8] Workqueue: 0x0 (events_unbound)
[ 55.044286][ T8] Call Trace:
[ 55.047847][ T8]
[ 55.051277][ T8] __dump_stack+0x21/0x30
[ 55.056031][ T8] dump_stack_lvl+0x110/0x170
[ 55.060742][ T8] ? show_regs_print_info+0x20/0x20
[ 55.066027][ T8] ? prandom_u32+0x24d/0x290
[ 55.070659][ T8] dump_stack+0x15/0x20
[ 55.074830][ T8] should_fail+0x3ab/0x500
[ 55.079567][ T8] __should_failslab+0xa4/0xe0
[ 55.084464][ T8] should_failslab+0x9/0x20
[ 55.088991][ T8] slab_pre_alloc_hook+0x39/0xd0
[ 55.094037][ T8] kmem_cache_alloc_trace+0x48/0x270
[ 55.099346][ T8] ? __kthread_create_on_node+0x148/0x570
[ 55.108090][ T8] ? worker_clr_flags+0x190/0x190
[ 55.113238][ T8] __kthread_create_on_node+0x148/0x570
[ 55.119107][ T8] ? pointer+0xc60/0xc60
[ 55.119875][ T472] FAULT_INJECTION: forcing a failure.
[ 55.119875][ T472] name failslab, interval 1, probability 10, space 0, times 65
[ 55.123668][ T8] ? kthread_create_on_node+0x140/0x140
[ 55.142512][ T8] ? vsnprintf+0x189d/0x1990
[ 55.147801][ T8] ? worker_clr_flags+0x190/0x190
[ 55.153173][ T8] ? worker_clr_flags+0x190/0x190
[ 55.158656][ T8] kthread_create_on_node+0xe8/0x140
[ 55.164410][ T8] ? tsk_fork_get_node+0x10/0x10
[ 55.169402][ T8] ? create_worker+0xee/0x780
[ 55.174255][ T8] create_worker+0x36f/0x780
[ 55.178988][ T8] ? workqueue_prepare_cpu+0x170/0x170
[ 55.184696][ T8] worker_thread+0x4c0/0x1250
[ 55.189768][ T8] kthread+0x3f5/0x4f0
[ 55.194256][ T8] ? worker_clr_flags+0x190/0x190
[ 55.199502][ T8] ? kthread_blkcg+0xd0/0xd0
[ 55.204156][ T8] ret_from_fork+0x1f/0x30
[ 55.208742][ T8]
[ 55.211957][ T472] CPU: 0 PID: 472 Comm: syz-executor Not tainted syzkaller #0
[ 55.219900][ T472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 55.230839][ T472] Call Trace:
[ 55.234365][ T472]
[ 55.237618][ T472] __dump_stack+0x21/0x30
[ 55.242273][ T472] dump_stack_lvl+0x110/0x170
[ 55.248593][ T472] ? show_regs_print_info+0x20/0x20
[ 55.255486][ T472] dump_stack+0x15/0x20
[ 55.260067][ T472] should_fail+0x3ab/0x500
[ 55.264567][ T472] __should_failslab+0xa4/0xe0
[ 55.269456][ T472] should_failslab+0x9/0x20
[ 55.274244][ T472] slab_pre_alloc_hook+0x39/0xd0
[ 55.279201][ T472] ? __alloc_skb+0xe4/0x730
[ 55.284687][ T472] kmem_cache_alloc+0x44/0x260
[ 55.289710][ T472] ? br_get_link_af_size_filtered+0xdc/0x190
[ 55.295835][ T472] __alloc_skb+0xe4/0x730
[ 55.300223][ T472] rtmsg_ifinfo_build_skb+0x75/0x180
[ 55.305718][ T472] unregister_netdevice_many+0x10d7/0x1a00
[ 55.311562][ T472] ? alloc_netdev_mqs+0xe20/0xe20
[ 55.317152][ T472] ? __queue_delayed_work+0x188/0x200
[ 55.322741][ T472] ? __kasan_check_read+0x11/0x20
[ 55.327891][ T472] unregister_netdevice_queue+0x2e1/0x320
[ 55.334253][ T472] ? __kasan_check_read+0x11/0x20
[ 55.339321][ T472] ? linkwatch_urgent_event+0x34d/0x460
[ 55.345188][ T472] ? list_netdevice+0x4c0/0x4c0
[ 55.349831][ T90] FAULT_INJECTION: forcing a failure.
[ 55.349831][ T90] name failslab, interval 1, probability 10, space 0, times 64
[ 55.350168][ T472] __tun_detach+0xc9d/0x1450
[ 55.368011][ T472] tun_chr_close+0x92/0x140
[ 55.372677][ T472] ? tun_chr_open+0x540/0x540
[ 55.377921][ T472] __fput+0x22b/0x900
[ 55.382753][ T472] ____fput+0x15/0x20
[ 55.387712][ T472] task_work_run+0x127/0x190
[ 55.394145][ T472] do_exit+0xb70/0x29a0
[ 55.399137][ T472] ? put_task_struct+0x90/0x90
[ 55.404233][ T472] ? __fdget_pos+0x1f7/0x380
[ 55.409476][ T472] ? ksys_write+0x1eb/0x260
[ 55.414267][ T472] do_group_exit+0x149/0x310
[ 55.420726][ T472] __x64_sys_exit_group+0x3f/0x40
[ 55.426494][ T472] x64_sys_call+0x832/0x9a0
[ 55.431803][ T472] do_syscall_64+0x4c/0xa0
[ 55.436932][ T472] ? clear_bhb_loop+0x50/0xa0
[ 55.442141][ T472] ? clear_bhb_loop+0x50/0xa0
[ 55.447137][ T472] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 55.453514][ T472] RIP: 0033:0x7f9802ef8e99
[ 55.458149][ T472] Code: Unable to access opcode bytes at RIP 0x7f9802ef8e6f.
[ 55.467351][ T472] RSP: 002b:00007ffd8176e6c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 55.478073][ T472] RAX: ffffffffffffffda RBX: 00007f9802f8e316 RCX: 00007f9802ef8e99
[ 55.488617][ T472] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
[ 55.497433][ T472] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f9802f8e30a
[ 55.505864][ T472] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd8176f920
[ 55.514722][ T472] R13: 00007f9802f8e30a R14: 000000000000ad2a R15: 00007ffd8176f960
[ 55.524237][ T472]
[ 55.527657][ T90] CPU: 1 PID: 90 Comm: klogd Not tainted syzkaller #0
[ 55.534887][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 55.549132][ T90] Call Trace:
[ 55.553131][ T90]
[ 55.556469][ T90] __dump_stack+0x21/0x30
[ 55.561584][ T90] dump_stack_lvl+0x110/0x170
[ 55.566765][ T90] ? show_regs_print_info+0x20/0x20
[ 55.572189][ T90] ? prandom_u32+0x24d/0x290
[ 55.577321][ T90] dump_stack+0x15/0x20
[ 55.581887][ T90] should_fail+0x3ab/0x500
[ 55.586727][ T90] __should_failslab+0xa4/0xe0
[ 55.592111][ T90] should_failslab+0x9/0x20
[ 55.597602][ T90] slab_pre_alloc_hook+0x39/0xd0
[ 55.602817][ T90] kmem_cache_alloc_trace+0x48/0x270
[ 55.608953][ T90] ? selinux_sk_alloc_security+0x7e/0x1a0
[ 55.614821][ T90] selinux_sk_alloc_security+0x7e/0x1a0
[ 55.621019][ T90] security_sk_alloc+0x72/0xa0
[ 55.626387][ T90] sk_prot_alloc+0x108/0x320
[ 55.631373][ T90] sk_alloc+0x38/0x430
[ 55.636476][ T90] unix_create1+0xb4/0x610
[ 55.642115][ T90] unix_create+0x149/0x200
[ 55.650228][ T90] __sock_create+0x38d/0x7a0
[ 55.657235][ T90] __sys_socket+0xec/0x190
[ 55.663780][ T90] __x64_sys_socket+0x7a/0x90
[ 55.670004][ T90] x64_sys_call+0x8c5/0x9a0
[ 55.676167][ T90] do_syscall_64+0x4c/0xa0
[ 55.685222][ T90] ? clear_bhb_loop+0x50/0xa0
[ 55.695526][ T90] ? clear_bhb_loop+0x50/0xa0
[ 55.702857][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 55.711659][ T90] RIP: 0033:0x7f707502b707
[ 55.716841][ T90] 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
[ 55.739437][ T90] RSP: 002b:00007fffd0776398 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
[ 55.748828][ T90] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f707502b707
[ 55.758735][ T90] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001
[ 55.767995][ T90] RBP: 00007f70750b7560 R08: 0000000000000073 R09: 0000000000000001
[ 55.776844][ T90] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[ 55.786794][ T90] R13: 00007fffd07764c0 R14: 0000000000000022 R15: 00007fffd07764c0
[ 55.795510][ T90]
[ 55.798652][ T64] CPU: 0 PID: 64 Comm: jbd2/sda1-8 Not tainted syzkaller #0
[ 55.807076][ T64] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 55.818483][ T64] Call Trace:
[ 55.821853][ T64]
[ 55.824923][ T64] __dump_stack+0x21/0x30
[ 55.829756][ T64] dump_stack_lvl+0x110/0x170
[ 55.834881][ T64] ? show_regs_print_info+0x20/0x20
[ 55.840751][ T64] ? prandom_u32+0x24d/0x290
[ 55.845386][ T64] dump_stack+0x15/0x20
[ 55.849782][ T64] should_fail+0x3ab/0x500
[ 55.854834][ T64] __should_failslab+0xa4/0xe0
[ 55.859640][ T64] should_failslab+0x9/0x20
[ 55.864371][ T64] slab_pre_alloc_hook+0x39/0xd0
[ 55.869689][ T64] ? mempool_alloc_slab+0x1d/0x30
[ 55.875931][ T64] kmem_cache_alloc+0x44/0x260
[ 55.881268][ T64] ? submit_bio_noacct+0x762/0x800
[ 55.887147][ T64] ? mempool_free+0x330/0x330
[ 55.893867][ T64] mempool_alloc_slab+0x1d/0x30
[ 55.899488][ T64] mempool_alloc+0x167/0x4c0
[ 55.907904][ T64] ? chksum_update+0x47/0xa0
[ 55.916434][ T64] ? fscrypt_set_bio_crypt_ctx+0x179/0x4f0
[ 55.924347][ T64] ? crypto_shash_update+0x216/0x300
[ 55.935935][ T64] ? mempool_resize+0x880/0x880
[ 55.949915][ T64] ? blkcg_set_ioprio+0x1f6/0x320
[ 55.957958][ T64] ? submit_bio+0x367/0x620
[ 55.965107][ T64] ? submit_bio_noacct+0x800/0x800
[ 55.971728][ T64] bio_alloc_bioset+0x124/0x910
[ 55.980731][ T64] submit_bh_wbc+0x1c2/0x680
[ 55.987809][ T64] submit_bh+0x2a/0x40
[ 55.993154][ T64] jbd2_journal_commit_transaction+0x2461/0x5650
[ 56.000579][ T64] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0
[ 56.008232][ T64] ? __switch_to+0x56c/0x1070
[ 56.014378][ T64] ? compat_start_thread+0x20/0x20
[ 56.020554][ T64] ? _raw_spin_unlock+0x4d/0x70
[ 56.026174][ T64] ? _raw_spin_lock+0xf0/0xf0
[ 56.031189][ T64] ? __kasan_check_write+0x14/0x20
[ 56.036336][ T64] ? _raw_spin_lock_irqsave+0xc2/0x130
[ 56.043769][ T64] ? _raw_spin_lock+0xf0/0xf0
[ 56.048896][ T64] ? detach_if_pending+0xf5/0x300
[ 56.054266][ T64] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 56.060939][ T64] ? del_timer_sync+0x144/0x1a0
[ 56.066746][ T64] kjournald2+0x43d/0x860
[ 56.071184][ T64] ? jbd2_seq_info_show+0x5c0/0x5c0
[ 56.077285][ T64] ? io_schedule+0xe0/0xe0
[ 56.082233][ T64] ? __kasan_check_read+0x11/0x20
[ 56.089146][ T64] ? __kthread_parkme+0xab/0x1f0
[ 56.090107][ T90] FAULT_INJECTION: forcing a failure.
[ 56.090107][ T90] name failslab, interval 1, probability 10, space 0, times 62
[ 56.094864][ T64] kthread+0x3f5/0x4f0
[ 56.112987][ T64] ? jbd2_seq_info_show+0x5c0/0x5c0
[ 56.118508][ T64] ? kthread_blkcg+0xd0/0xd0
[ 56.123449][ T64] ret_from_fork+0x1f/0x30
[ 56.128894][ T64]
[ 56.132367][ T371] CPU: 1 PID: 371 Comm: kworker/1:3 Not tainted syzkaller #0
[ 56.140252][ T371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 56.155496][ T371] Workqueue: mld mld_ifc_work
[ 56.163478][ T371] Call Trace:
[ 56.168268][ T371]
[ 56.172067][ T371] __dump_stack+0x21/0x30
[ 56.177220][ T371] dump_stack_lvl+0x110/0x170
[ 56.184690][ T371] ? show_regs_print_info+0x20/0x20
[ 56.193898][ T371] dump_stack+0x15/0x20
[ 56.198548][ T371] should_fail+0x3ab/0x500
[ 56.204591][ T371] __should_failslab+0xa4/0xe0
[ 56.211399][ T371] should_failslab+0x9/0x20
[ 56.217606][ T371] slab_pre_alloc_hook+0x39/0xd0
[ 56.223261][ T371] ? __alloc_skb+0xe4/0x730
[ 56.229425][ T371] kmem_cache_alloc+0x44/0x260
[ 56.235102][ T371] __alloc_skb+0xe4/0x730
[ 56.240757][ T371] mld_newpack+0x143/0x9e0
[ 56.245409][ T371] ? mld_sendpack+0xba0/0xba0
[ 56.251706][ T371] ? add_grec+0x1340/0x1340
[ 56.256473][ T371] ? add_grec+0xf70/0x1340
[ 56.261928][ T371] add_grec+0xee8/0x1340
[ 56.269529][ T371] ? wait_for_completion_killable_timeout+0x10/0x10
[ 56.278754][ T371] mld_ifc_work+0x728/0xc40
[ 56.285215][ T371] process_one_work+0x6c8/0xbb0
[ 56.290835][ T371] worker_thread+0xaa0/0x1250
[ 56.296912][ T371] ? __kasan_check_read+0x11/0x20
[ 56.303150][ T371] kthread+0x3f5/0x4f0
[ 56.307790][ T371] ? worker_clr_flags+0x190/0x190
[ 56.313715][ T371] ? kthread_blkcg+0xd0/0xd0
[ 56.318495][ T371] ret_from_fork+0x1f/0x30
[ 56.325062][ T371]
[ 56.328845][ T90] CPU: 0 PID: 90 Comm: klogd Not tainted syzkaller #0
[ 56.335201][ T39] FAULT_INJECTION: forcing a failure.
[ 56.335201][ T39] name failslab, interval 1, probability 10, space 0, times 59
[ 56.338686][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 56.338702][ T90] Call Trace:
[ 56.338707][ T90]
[ 56.338715][ T90] __dump_stack+0x21/0x30
[ 56.338735][ T90] dump_stack_lvl+0x110/0x170
[ 56.338751][ T90] ? show_regs_print_info+0x20/0x20
[ 56.338768][ T90] ? prandom_u32+0x24d/0x290
[ 56.423343][ T90] dump_stack+0x15/0x20
[ 56.429086][ T90] should_fail+0x3ab/0x500
[ 56.435447][ T90] __should_failslab+0xa4/0xe0
[ 56.442461][ T90] should_failslab+0x9/0x20
[ 56.450697][ T90] slab_pre_alloc_hook+0x39/0xd0
[ 56.460776][ T90] kmem_cache_alloc_trace+0x48/0x270
[ 56.470690][ T90] ? selinux_sk_alloc_security+0x7e/0x1a0
[ 56.480327][ T90] selinux_sk_alloc_security+0x7e/0x1a0
[ 56.488415][ T90] security_sk_alloc+0x72/0xa0
[ 56.495255][ T90] sk_prot_alloc+0x108/0x320
[ 56.500546][ T90] sk_alloc+0x38/0x430
[ 56.505660][ T90] unix_create1+0xb4/0x610
[ 56.510653][ T90] unix_create+0x149/0x200
[ 56.515219][ T90] __sock_create+0x38d/0x7a0
[ 56.520412][ T90] __sys_socket+0xec/0x190
[ 56.526014][ T90] __x64_sys_socket+0x7a/0x90
[ 56.529511][ T8] FAULT_INJECTION: forcing a failure.
[ 56.529511][ T8] name failslab, interval 1, probability 10, space 0, times 59
[ 56.530743][ T90] x64_sys_call+0x8c5/0x9a0
[ 56.549259][ T90] do_syscall_64+0x4c/0xa0
[ 56.554003][ T90] ? clear_bhb_loop+0x50/0xa0
[ 56.558884][ T90] ? clear_bhb_loop+0x50/0xa0
[ 56.563595][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 56.569682][ T90] RIP: 0033:0x7f707502b707
[ 56.574184][ T90] 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
[ 56.594538][ T90] RSP: 002b:00007fffd0776398 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
[ 56.603793][ T90] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f707502b707
[ 56.612160][ T90] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001
[ 56.620247][ T90] RBP: 00007f70750b7560 R08: 0000000000000073 R09: 0000000000000001
[ 56.628503][ T90] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[ 56.636966][ T90] R13: 00007fffd07764c0 R14: 000000000000001e R15: 00007fffd07764c0
[ 56.646038][ T90]
[ 56.649375][ C0] FAULT_INJECTION: forcing a failure.
[ 56.649375][ C0] name failslab, interval 1, probability 10, space 0, times 59
[ 56.649394][ T39] CPU: 1 PID: 39 Comm: kworker/1:1 Not tainted syzkaller #0
[ 56.649421][ T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 56.681926][ T39] Workqueue: mld mld_ifc_work
[ 56.688107][ T39] Call Trace:
[ 56.691859][ T39]
[ 56.695261][ T39] __dump_stack+0x21/0x30
[ 56.700303][ T39] dump_stack_lvl+0x110/0x170
[ 56.705219][ T39] ? show_regs_print_info+0x20/0x20
[ 56.710550][ T39] ? prandom_u32+0x24d/0x290
[ 56.716470][ T39] dump_stack+0x15/0x20
[ 56.721482][ T39] should_fail+0x3ab/0x500
[ 56.726730][ T39] ? mld_newpack+0x143/0x9e0
[ 56.732451][ T39] __should_failslab+0xa4/0xe0
[ 56.737741][ T39] should_failslab+0x9/0x20
[ 56.742919][ T39] slab_pre_alloc_hook+0x39/0xd0
[ 56.748406][ T39] ? mld_newpack+0x143/0x9e0
[ 56.753208][ T39] ? mld_newpack+0x143/0x9e0
[ 56.758993][ T39] __kmalloc_track_caller+0x6c/0x2c0
[ 56.764424][ T39] ? mld_newpack+0x143/0x9e0
[ 56.769779][ T39] ? mld_newpack+0x143/0x9e0
[ 56.774510][ T39] __alloc_skb+0x210/0x730
[ 56.779280][ T39] mld_newpack+0x143/0x9e0
[ 56.784033][ T39] ? mld_sendpack+0xba0/0xba0
[ 56.789196][ T39] ? add_grec+0x1340/0x1340
[ 56.793742][ T39] ? add_grec+0xf70/0x1340
[ 56.798486][ T39] add_grec+0xee8/0x1340
[ 56.803385][ T39] ? wait_for_completion_killable_timeout+0x10/0x10
[ 56.810108][ T39] mld_ifc_work+0x728/0xc40
[ 56.814739][ T39] process_one_work+0x6c8/0xbb0
[ 56.819643][ T39] worker_thread+0xaa0/0x1250
[ 56.824376][ T39] ? __kasan_check_read+0x11/0x20
[ 56.829744][ T39] kthread+0x3f5/0x4f0
[ 56.833962][ T39] ? worker_clr_flags+0x190/0x190
[ 56.839422][ T39] ? kthread_blkcg+0xd0/0xd0
[ 56.844048][ T39] ret_from_fork+0x1f/0x30
[ 56.848496][ T39]
[ 56.851552][ C0] CPU: 0 PID: 90 Comm: klogd Not tainted syzkaller #0
[ 56.860350][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 56.865653][ T10] FAULT_INJECTION: forcing a failure.
[ 56.865653][ T10] name failslab, interval 1, probability 10, space 0, times 59
[ 56.871885][ C0] Call Trace:
[ 56.871899][ C0]
[ 56.871908][ C0] __dump_stack+0x21/0x30
[ 56.871936][ C0] dump_stack_lvl+0x110/0x170
[ 56.871956][ C0] ? show_regs_print_info+0x20/0x20
[ 56.871975][ C0] ? prandom_u32+0x24d/0x290
[ 56.871999][ C0] dump_stack+0x15/0x20
[ 56.919253][ C0] should_fail+0x3ab/0x500
[ 56.923713][ C0] __should_failslab+0xa4/0xe0
[ 56.929520][ C0] should_failslab+0x9/0x20
[ 56.934970][ C0] slab_pre_alloc_hook+0x39/0xd0
[ 56.939957][ C0] ? __alloc_skb+0xe4/0x730
[ 56.945365][ C0] kmem_cache_alloc+0x44/0x260
[ 56.950382][ C0] __alloc_skb+0xe4/0x730
[ 56.954877][ C0] ndisc_send_rs+0x310/0x960
[ 56.960093][ C0] addrconf_rs_timer+0x35a/0x600
[ 56.965264][ C0] ? addrconf_disable_policy_idev+0x360/0x360
[ 56.971676][ C0] ? addrconf_disable_policy_idev+0x360/0x360
[ 56.978578][ C0] call_timer_fn+0x38/0x290
[ 56.984022][ C0] ? addrconf_disable_policy_idev+0x360/0x360
[ 56.991239][ C0] __run_timers+0x637/0x9a0
[ 56.996798][ C0] ? calc_index+0x200/0x200
[ 57.001731][ C0] ? sched_clock_cpu+0x18/0x3d0
[ 57.006894][ C0] run_timer_softirq+0x6a/0xf0
[ 57.009423][ C1] FAULT_INJECTION: forcing a failure.
[ 57.009423][ C1] name failslab, interval 1, probability 10, space 0, times 59
[ 57.011791][ C0] handle_softirqs+0x250/0x560
[ 57.011819][ C0] ? irqtime_account_irq+0xbe/0x390
[ 57.035862][ C0] __irq_exit_rcu+0x52/0xf0
[ 57.040805][ C0] irq_exit_rcu+0x9/0x10
[ 57.045077][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0
[ 57.051205][ C0]
[ 57.054177][ C0]
[ 57.057178][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 57.064070][ C0] RIP: 0010:preempt_schedule_irq+0xa5/0x120
[ 57.071497][ 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 11 2d 95 fc fb bf 01 00 00 00 76 e4 ff ff fa bf 01 00 00 00 e8 ab 2e 95 fc 65 48 8b 1d 13 d7
[ 57.094168][ C0] RSP: 0018:ffffc900009b7940 EFLAGS: 00000246
[ 57.101084][ C0] RAX: 1ffff110219723ce RBX: ffffc900009b7a18 RCX: ffffffff870ccf00
[ 57.109809][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
[ 57.118629][ C0] RBP: ffffc900009b79c8 R08: ffff88810cb913c7 R09: 1ffff11021972278
[ 57.127262][ C0] R10: dffffc0000000000 R11: ffffed1021972279 R12: 0000000000000000
[ 57.136690][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000136f28
[ 57.145667][ C0] ? __cond_resched+0xd0/0xd0
[ 57.150901][ C0] irqentry_exit_cond_resched+0x29/0x30
[ 57.157215][ C0] irqentry_exit+0x37/0x40
[ 57.162156][ C0] sysvec_reschedule_ipi+0x78/0x80
[ 57.167622][ C0] asm_sysvec_reschedule_ipi+0x1b/0x20
[ 57.173775][ C0] RIP: 0010:dump_stack_lvl+0x144/0x170
[ 57.180763][ C0] Code: e6 00 02 00 00 31 ff e8 3a 77 be fc 49 81 e5 00 02 00 00 75 07 e8 ec 72 be fc eb 06 e8 e5 72 be 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
[ 57.203002][ C0] RSP: 0018:ffffc900009b7ac0 EFLAGS: 00000293
[ 57.210940][ C0] RAX: ffffffff84ab43fb RBX: ffffffff8564bde0 RCX: ffff88810cb913c0
[ 57.220317][ C0] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000
[ 57.229265][ C0] RBP: ffffc900009b7b60 R08: 0000000000000003 R09: 0000000000000004
[ 57.237684][ C0] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000
[ 57.245909][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000136f58
[ 57.254128][ C0] ? dump_stack_lvl+0x13b/0x170
[ 57.259281][ C0] ? show_regs_print_info+0x20/0x20
[ 57.264575][ C0] ? prandom_u32+0x24d/0x290
[ 57.269582][ C0] dump_stack+0x15/0x20
[ 57.273961][ C0] should_fail+0x3ab/0x500
[ 57.278412][ C0] __should_failslab+0xa4/0xe0
[ 57.284597][ C0] should_failslab+0x9/0x20
[ 57.290433][ C0] slab_pre_alloc_hook+0x39/0xd0
[ 57.296064][ C0] kmem_cache_alloc_trace+0x48/0x270
[ 57.301738][ C0] ? selinux_sk_alloc_security+0x7e/0x1a0
[ 57.308174][ C0] selinux_sk_alloc_security+0x7e/0x1a0
[ 57.313962][ C0] security_sk_alloc+0x72/0xa0
[ 57.319383][ C0] sk_prot_alloc+0x108/0x320
[ 57.324868][ C0] sk_alloc+0x38/0x430
[ 57.329228][ C0] unix_create1+0xb4/0x610
[ 57.333694][ C0] unix_create+0x149/0x200
[ 57.338479][ C0] __sock_create+0x38d/0x7a0
[ 57.343938][ C0] __sys_socket+0xec/0x190
[ 57.348480][ C0] __x64_sys_socket+0x7a/0x90
[ 57.353202][ C0] x64_sys_call+0x8c5/0x9a0
[ 57.357829][ C0] do_syscall_64+0x4c/0xa0
[ 57.362613][ C0] ? clear_bhb_loop+0x50/0xa0
[ 57.367960][ C0] ? clear_bhb_loop+0x50/0xa0
[ 57.372770][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 57.379055][ C0] RIP: 0033:0x7f707502b707
[ 57.384302][ C0] 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
[ 57.405674][ C0] RSP: 002b:00007fffd0776398 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
[ 57.415593][ C0] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f707502b707
[ 57.423995][ C0] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001
[ 57.432435][ C0] RBP: 00007f70750b7560 R08: 0000000000000073 R09: 0000000000000001
[ 57.440990][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[ 57.450356][ C0] R13: 00007fffd07764c0 R14: 000000000000001e R15: 00007fffd07764c0
[ 57.459977][ C0]
[ 57.463799][ C1] CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted syzkaller #0
[ 57.469190][ T90] FAULT_INJECTION: forcing a failure.
[ 57.469190][ T90] name failslab, interval 1, probability 10, space 0, times 57
[ 57.475292][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 57.503362][ C1] Workqueue: 0x0 (events_unbound)
[ 57.508791][ C1] Call Trace:
[ 57.512222][ C1]
[ 57.515196][ C1] __dump_stack+0x21/0x30
[ 57.519647][ C1] dump_stack_lvl+0x110/0x170
[ 57.525110][ C1] ? show_regs_print_info+0x20/0x20
[ 57.531029][ C1] dump_stack+0x15/0x20
[ 57.535931][ C1] should_fail+0x3ab/0x500
[ 57.541268][ C1] ? ndisc_send_rs+0x310/0x960
[ 57.546374][ C1] __should_failslab+0xa4/0xe0
[ 57.552077][ C1] should_failslab+0x9/0x20
[ 57.556605][ C1] slab_pre_alloc_hook+0x39/0xd0
[ 57.562290][ C1] ? ndisc_send_rs+0x310/0x960
[ 57.567712][ C1] ? ndisc_send_rs+0x310/0x960
[ 57.573082][ C1] __kmalloc_track_caller+0x6c/0x2c0
[ 57.578819][ C1] ? ndisc_send_rs+0x310/0x960
[ 57.583878][ C1] ? ndisc_send_rs+0x310/0x960
[ 57.588939][ C1] __alloc_skb+0x210/0x730
[ 57.593877][ C1] ndisc_send_rs+0x310/0x960
[ 57.598786][ C1] addrconf_rs_timer+0x35a/0x600
[ 57.603880][ C1] ? addrconf_disable_policy_idev+0x360/0x360
[ 57.610117][ C1] ? _raw_spin_lock_irqsave+0x130/0x130
[ 57.615786][ C1] ? addrconf_disable_policy_idev+0x360/0x360
[ 57.622266][ C1] call_timer_fn+0x38/0x290
[ 57.626807][ C1] ? addrconf_disable_policy_idev+0x360/0x360
[ 57.633962][ C1] __run_timers+0x637/0x9a0
[ 57.638509][ C1] ? calc_index+0x200/0x200
[ 57.643485][ C1] ? sched_clock_cpu+0x18/0x3d0
[ 57.648613][ C1] run_timer_softirq+0x6a/0xf0
[ 57.653633][ C1] handle_softirqs+0x250/0x560
[ 57.658603][ C1] __irq_exit_rcu+0x52/0xf0
[ 57.663179][ C1] irq_exit_rcu+0x9/0x10
[ 57.667454][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0
[ 57.669775][ C0] FAULT_INJECTION: forcing a failure.
[ 57.669775][ C0] name failslab, interval 1, probability 10, space 0, times 57
[ 57.673593][ C1]
[ 57.690169][ C1]
[ 57.693222][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 57.699325][ C1] RIP: 0010:__printk_wait_on_cpu_lock+0xb/0x40
[ 57.705596][ C1] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fc e4 56 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 55 48 89 e5 e8 d7 74 17 00 f3 90 <48> c7 c7 80 1f 71 86 be 04 00 00 00 e8 14 e6 56 00 8b 05 5e dd 1e
[ 57.726521][ C1] RSP: 0018:ffffc90000087b10 EFLAGS: 00000293
[ 57.732623][ C1] RAX: ffffffff8152422c RBX: ffffffff8564bde0 RCX: ffff888100274f00
[ 57.740866][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff86711f80
[ 57.749158][ C1] RBP: ffffc90000087b10 R08: 0000000000000003 R09: 0000000000000004
[ 57.757322][ C1] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000
[ 57.765637][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000010f64
[ 57.774013][ C1] ? __printk_wait_on_cpu_lock+0x2c/0x40
[ 57.780332][ C1] dump_stack_lvl+0xce/0x170
[ 57.785848][ C1] ? show_regs_print_info+0x20/0x20
[ 57.791576][ C1] ? prandom_u32+0x24d/0x290
[ 57.796237][ C1] dump_stack+0x15/0x20
[ 57.800635][ C1] should_fail+0x3ab/0x500
[ 57.805091][ C1] __should_failslab+0xa4/0xe0
[ 57.810106][ C1] should_failslab+0x9/0x20
[ 57.814980][ C1] slab_pre_alloc_hook+0x39/0xd0
[ 57.819961][ C1] kmem_cache_alloc_trace+0x48/0x270
[ 57.825477][ C1] ? create_worker+0xee/0x780
[ 57.830465][ C1] create_worker+0xee/0x780
[ 57.835299][ C1] ? workqueue_prepare_cpu+0x170/0x170
[ 57.840812][ C1] worker_thread+0x4c0/0x1250
[ 57.845972][ C1] kthread+0x3f5/0x4f0
[ 57.850270][ C1] ? worker_clr_flags+0x190/0x190
[ 57.855456][ C1] ? kthread_blkcg+0xd0/0xd0
[ 57.860086][ C1] ret_from_fork+0x1f/0x30
[ 57.864912][ C1]
[ 57.868386][ C0] CPU: 0 PID: 10 Comm: kworker/u4:1 Not tainted syzkaller #0
[ 57.876222][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 57.886822][ C0] Workqueue: writeback wb_workfn (flush-8:0)
[ 57.892960][ C0] Call Trace:
[ 57.896557][ C0]
[ 57.899601][ C0] __dump_stack+0x21/0x30
[ 57.904078][ C0] dump_stack_lvl+0x110/0x170
[ 57.908874][ C0] ? show_regs_print_info+0x20/0x20
[ 57.914751][ C0] dump_stack+0x15/0x20
[ 57.919303][ C0] should_fail+0x3ab/0x500
[ 57.923860][ C0] ? ndisc_send_rs+0x310/0x960
[ 57.929399][ C0] __should_failslab+0xa4/0xe0
[ 57.934748][ C0] should_failslab+0x9/0x20
[ 57.939296][ C0] slab_pre_alloc_hook+0x39/0xd0
[ 57.944279][ C0] ? ndisc_send_rs+0x310/0x960
[ 57.949681][ C0] ? ndisc_send_rs+0x310/0x960
[ 57.954686][ C0] __kmalloc_track_caller+0x6c/0x2c0
[ 57.960427][ C0] ? ndisc_send_rs+0x310/0x960
[ 57.965225][ C0] ? ndisc_send_rs+0x310/0x960
[ 57.970283][ C0] __alloc_skb+0x210/0x730
[ 57.975169][ C0] ndisc_send_rs+0x310/0x960
[ 57.979970][ C0] ? ndisc_send_rs+0xa1/0x960
[ 57.984781][ C0] addrconf_rs_timer+0x35a/0x600
[ 57.990022][ C0] ? addrconf_disable_policy_idev+0x360/0x360
[ 57.996208][ C0] ? addrconf_disable_policy_idev+0x360/0x360
[ 58.003113][ C0] call_timer_fn+0x38/0x290
[ 58.007800][ C0] ? addrconf_disable_policy_idev+0x360/0x360
[ 58.014031][ C0] __run_timers+0x637/0x9a0
[ 58.019501][ C0] ? calc_index+0x200/0x200
[ 58.024729][ C0] ? sched_clock_cpu+0x18/0x3d0
[ 58.029749][ C0] run_timer_softirq+0x6a/0xf0
[ 58.034774][ C0] handle_softirqs+0x250/0x560
[ 58.039848][ C0] __irq_exit_rcu+0x52/0xf0
[ 58.044738][ C0] irq_exit_rcu+0x9/0x10
[ 58.049441][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0
[ 58.055125][ C0]
[ 58.058082][ C0]
[ 58.061111][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 58.067778][ C0] RIP: 0010:__printk_wait_on_cpu_lock+0xb/0x40
[ 58.074286][ C0] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fc e4 56 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 55 48 89 e5 e8 d7 74 17 00 f3 90 <48> c7 c7 80 1f 71 86 be 04 00 00 00 e8 14 e6 56 00 8b 05 5e dd 1e
[ 58.095139][ C0] RSP: 0018:ffffc900000a6bb0 EFLAGS: 00000293
[ 58.101348][ C0] RAX: ffffffff8152422c RBX: ffffffff8564bde0 RCX: ffff888100273b40
[ 58.109892][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff86711f80
[ 58.117910][ C0] RBP: ffffc900000a6bb0 R08: 0000000000000003 R09: 0000000000000004
[ 58.126956][ C0] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000
[ 58.135635][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000014d78
[ 58.144037][ C0] ? __printk_wait_on_cpu_lock+0x2c/0x40
[ 58.149913][ C0] dump_stack_lvl+0xce/0x170
[ 58.154536][ C0] ? show_regs_print_info+0x20/0x20
[ 58.159781][ C0] ? prandom_u32+0x24d/0x290
[ 58.164403][ C0] dump_stack+0x15/0x20
[ 58.168587][ C0] should_fail+0x3ab/0x500
[ 58.173039][ C0] __should_failslab+0xa4/0xe0
[ 58.177830][ C0] should_failslab+0x9/0x20
[ 58.182358][ C0] slab_pre_alloc_hook+0x39/0xd0
[ 58.187556][ C0] ? mempool_alloc_slab+0x1d/0x30
[ 58.192792][ C0] kmem_cache_alloc+0x44/0x260
[ 58.197698][ C0] ? mempool_free+0x330/0x330
[ 58.202479][ C0] mempool_alloc_slab+0x1d/0x30
[ 58.207544][ C0] mempool_alloc+0x167/0x4c0
[ 58.212269][ C0] ? blk_put_request+0x20/0x20
[ 58.217252][ C0] ? fscrypt_mergeable_bio+0x1c6/0x670
[ 58.222758][ C0] ? mempool_resize+0x880/0x880
[ 58.228255][ C0] ? submit_bio+0x367/0x620
[ 58.233098][ C0] bio_alloc_bioset+0x22b/0x910
[ 58.238188][ C0] ext4_bio_write_page+0xf3b/0x1b40
[ 58.243529][ C0] mpage_submit_page+0x17d/0x220
[ 58.248750][ C0] ext4_writepages+0x19a3/0x30a0
[ 58.253778][ C0] ? _raw_spin_unlock+0x4d/0x70
[ 58.258761][ C0] ? ext4_readpage+0x220/0x220
[ 58.263689][ C0] ? __kasan_check_write+0x14/0x20
[ 58.269508][ C0] ? __local_bh_enable_ip+0x58/0x80
[ 58.275319][ C0] ? ext4_readpage+0x220/0x220
[ 58.280397][ C0] do_writepages+0x476/0x6d0
[ 58.285249][ C0] ? dev_queue_xmit+0x20/0x20
[ 58.290656][ C0] ? __writepage+0x130/0x130
[ 58.296009][ C0] ? __kasan_check_write+0x14/0x20
[ 58.301303][ C0] ? _raw_spin_lock+0x94/0xf0
[ 58.306612][ C0] __writeback_single_inode+0xd9/0x9e0
[ 58.312510][ C0] ? wbc_attach_and_unlock_inode+0x194/0x5f0
[ 58.318887][ C0] writeback_sb_inodes+0x9f3/0x1610
[ 58.325040][ C0] ? __kasan_check_write+0x14/0x20
[ 58.330995][ C0] ? __switch_to+0x56c/0x1070
[ 58.335823][ C0] ? queue_io+0x4b0/0x4b0
[ 58.340729][ C0] ? down_read_trylock+0x317/0x630
[ 58.345884][ C0] __writeback_inodes_wb+0x127/0x400
[ 58.351301][ C0] wb_writeback+0x3ff/0x990
[ 58.355979][ C0] ? inode_cgwb_move_to_attached+0x3b0/0x3b0
[ 58.362189][ C0] ? set_worker_desc+0x1ba/0x1f0
[ 58.368131][ C0] ? __kasan_check_write+0x14/0x20
[ 58.373454][ C0] ? __kasan_check_write+0x14/0x20
[ 58.378910][ C0] ? cpumask_next+0x7c/0xa0
[ 58.383554][ C0] wb_workfn+0xa49/0xf30
[ 58.387916][ C0] ? inode_wait_for_writeback+0x220/0x220
[ 58.394916][ C0] ? add_timer+0x68/0x80
[ 58.399404][ C0] ? __queue_delayed_work+0x173/0x200
[ 58.405168][ C0] ? __kasan_check_write+0x14/0x20
[ 58.410750][ C0] ? _raw_spin_lock_irq+0x95/0xf0
[ 58.415917][ C0] ? _raw_spin_lock_irqsave+0x130/0x130
[ 58.421504][ C0] process_one_work+0x6c8/0xbb0
[ 58.426386][ C0] worker_thread+0xaa0/0x1250
[ 58.431167][ C0] kthread+0x3f5/0x4f0
[ 58.435256][ C0] ? worker_clr_flags+0x190/0x190
[ 58.440514][ C0] ? kthread_blkcg+0xd0/0xd0
[ 58.445271][ C0] ret_from_fork+0x1f/0x30
[ 58.449717][ C0]
[ 58.452754][ T8] CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted syzkaller #0
[ 58.460218][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 58.470666][ T8] Workqueue: 0x0 (events_unbound)
[ 58.476078][ T8] Call Trace:
[ 58.479386][ T8]
[ 58.482519][ T8] __dump_stack+0x21/0x30
[ 58.487188][ T8] dump_stack_lvl+0x110/0x170
[ 58.492006][ T8] ? show_regs_print_info+0x20/0x20
[ 58.497224][ T8] ? prandom_u32+0x24d/0x290
[ 58.501833][ T8] dump_stack+0x15/0x20
[ 58.506140][ T8] should_fail+0x3ab/0x500
[ 58.510615][ T8] __should_failslab+0xa4/0xe0
[ 58.515493][ T8] should_failslab+0x9/0x20
[ 58.520212][ T8] slab_pre_alloc_hook+0x39/0xd0
[ 58.526285][ T8] kmem_cache_alloc_trace+0x48/0x270
[ 58.532071][ T8] ? create_worker+0xee/0x780
[ 58.537236][ T8] create_worker+0xee/0x780
[ 58.542793][ T8] ? workqueue_prepare_cpu+0x170/0x170
[ 58.549093][ T8] worker_thread+0x4c0/0x1250
[ 58.553825][ T8] kthread+0x3f5/0x4f0
[ 58.558243][ T8] ? worker_clr_flags+0x190/0x190
[ 58.563487][ T8] ? kthread_blkcg+0xd0/0xd0
[ 58.568599][ T8] ret_from_fork+0x1f/0x30
[ 58.573430][ T8]
[ 58.576768][ C0] FAULT_INJECTION: forcing a failure.
[ 58.576768][ C0] name failslab, interval 1, probability 10, space 0, times 54
[ 58.576812][ T39] FAULT_INJECTION: forcing a failure.
[ 58.576812][ T39] name failslab, interval 1, probability 10, space 0, times 54
[ 58.590622][ C0] CPU: 0 PID: 60 Comm: kworker/0:2 Not tainted syzkaller #0
[ 58.590648][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 58.590663][ C0] Workqueue: ipv6_addrconf addrconf_dad_work
[ 58.590690][ C0] Call Trace:
[ 58.632297][ C0]
[ 58.635288][ C0] __dump_stack+0x21/0x30
[ 58.639648][ C0] dump_stack_lvl+0x110/0x170
[ 58.644534][ C0] ? show_regs_print_info+0x20/0x20
[ 58.650432][ C0] ? prandom_u32+0x24d/0x290
[ 58.655185][ C0] dump_stack+0x15/0x20
[ 58.659485][ C0] should_fail+0x3ab/0x500
[ 58.664368][ C0] __should_failslab+0xa4/0xe0
[ 58.669635][ C0] should_failslab+0x9/0x20
[ 58.674176][ C0] slab_pre_alloc_hook+0x39/0xd0
[ 58.679138][ C0] ? dst_alloc+0x15c/0x1d0
[ 58.684282][ C0] kmem_cache_alloc+0x44/0x260
[ 58.690214][ C0] ? fib6_select_path+0x103/0x620
[ 58.695458][ C0] ? ipv6_sysctl_rtcache_flush+0x100/0x100
[ 58.701502][ C0] dst_alloc+0x15c/0x1d0
[ 58.705893][ C0] ip6_pol_route+0x988/0x1170
[ 58.710847][ C0] ? fib6_table_lookup+0x9e0/0x9e0
[ 58.715986][ C0] ? kasan_set_track+0x5b/0x70
[ 58.720824][ C0] ? slab_free_freelist_hook+0xc2/0x190
[ 58.726400][ C0] ? kmem_cache_free+0x100/0x320
[ 58.731992][ C0] ? kfree_skbmem+0x10c/0x180
[ 58.738071][ C0] ? kfree_skb+0xc1/0x2f0
[ 58.742486][ C0] ? ip6_mc_input+0x22b/0x290
[ 58.747337][ C0] ? ip6_rcv_finish+0x18d/0x360
[ 58.752400][ C0] ? __netif_receive_skb+0xc8/0x280
[ 58.757647][ C0] ? process_backlog+0x351/0x600
[ 58.762628][ C0] ? __napi_poll+0xbb/0x580
[ 58.768014][ C0] ip6_pol_route_input+0x56/0x80
[ 58.775452][ C0] fib6_rule_lookup+0x20a/0x5d0
[ 58.780525][ C0] ? ip6_route_input_lookup+0xd0/0xd0
[ 58.786793][ C0] ? fib6_lookup+0x2c0/0x2c0
[ 58.792009][ C0] ? ip6t_do_table+0x1355/0x1510
[ 58.797879][ C0] ip6_route_input+0x5fd/0x8c0
[ 58.803697][ C0] ? ip6_multipath_l3_keys+0x5c0/0x5c0
[ 58.809564][ C0] ? sk_setup_caps+0x400/0x400
[ 58.814496][ C0] ? ip6table_mangle_table_init+0x60/0x60
[ 58.820523][ C0] ip6_rcv_finish+0x156/0x360
[ 58.826173][ C0] ipv6_rcv+0xed/0x230
[ 58.831560][ C0] ? __kasan_check_read+0x11/0x20
[ 58.837569][ C0] ? ip6_rcv_finish+0x360/0x360
[ 58.842996][ C0] ? refcount_add+0x80/0x80
[ 58.847709][ C0] ? __kasan_check_write+0x14/0x20
[ 58.853057][ C0] ? ip6_rcv_finish+0x360/0x360
[ 58.858401][ C0] __netif_receive_skb+0xc8/0x280
[ 58.863743][ C0] process_backlog+0x351/0x600
[ 58.868671][ C0] __napi_poll+0xbb/0x580
[ 58.873265][ C0] net_rx_action+0x37f/0x910
[ 58.878036][ C0] ? net_tx_action+0x520/0x520
[ 58.882992][ C0] ? sched_clock_cpu+0x18/0x3d0
[ 58.887886][ C0] ? hrtimer_interrupt+0x6b6/0x8c0
[ 58.893190][ C0] ? irqtime_account_irq+0x76/0x390
[ 58.898536][ C0] handle_softirqs+0x250/0x560
[ 58.903615][ C0] __do_softirq+0xb/0xd
[ 58.908078][ C0] do_softirq+0xdc/0x130
[ 58.912534][ C0]
[ 58.915520][ C0]
[ 58.918477][ C0] ? __local_bh_enable_ip+0x80/0x80
[ 58.923700][ C0] __local_bh_enable_ip+0x75/0x80
[ 58.929466][ C0] local_bh_enable+0x1f/0x30
[ 58.934426][ C0] ip6_finish_output2+0x10d7/0x1790
[ 58.939834][ C0] ? __ip6_finish_output+0x7e0/0x7e0
[ 58.945267][ C0] ? ip6t_do_table+0x1355/0x1510
[ 58.951354][ C0] __ip6_finish_output+0x621/0x7e0
[ 58.956931][ C0] ip6_finish_output+0x31/0x220
[ 58.962143][ C0] ? ip6_output+0x3ea/0x410
[ 58.966771][ C0] ip6_output+0x1fa/0x410
[ 58.971222][ C0] ? ac6_seq_show+0xf0/0xf0
[ 58.976697][ C0] ? ip6_output+0x410/0x410
[ 58.981601][ C0] ndisc_send_skb+0x7f6/0xcf0
[ 58.986568][ C0] ? ndisc_alloc_skb+0x290/0x290
[ 58.991614][ C0] ? ndisc_error_report+0xc0/0xc0
[ 58.996667][ C0] ? skb_put+0x10a/0x1f0
[ 58.999468][ T8] workqueue: Failed to allocate a worker
[ 59.000936][ C0] ndisc_send_ns+0x879/0xb10
[ 59.013158][ C0] ? ndisc_send_skb+0xcf0/0xcf0
[ 59.018309][ C0] ? mod_delayed_work_on+0xa8/0xe0
[ 59.024086][ C0] addrconf_dad_work+0x9fa/0x1510
[ 59.029509][ C0] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 59.035204][ C0] ? __kasan_check_write+0x14/0x20
[ 59.040664][ C0] ? _raw_spin_lock_irq+0x95/0xf0
[ 59.045931][ C0] process_one_work+0x6c8/0xbb0
[ 59.050996][ C0] worker_thread+0xaa0/0x1250
[ 59.056256][ C0] ? __kasan_check_read+0x11/0x20
[ 59.061502][ C0] kthread+0x3f5/0x4f0
[ 59.065956][ C0] ? worker_clr_flags+0x190/0x190
[ 59.071220][ C0] ? kthread_blkcg+0xd0/0xd0
[ 59.076357][ C0] ret_from_fork+0x1f/0x30
[ 59.081094][ C0]
[ 59.084135][ T90] CPU: 1 PID: 90 Comm: klogd Not tainted syzkaller #0
[ 59.092199][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 59.102640][ T90] Call Trace:
[ 59.106068][ T90]
[ 59.109023][ T90] __dump_stack+0x21/0x30
[ 59.113386][ T90] dump_stack_lvl+0x110/0x170
[ 59.118198][ T90] ? show_regs_print_info+0x20/0x20
[ 59.123729][ T90] dump_stack+0x15/0x20
[ 59.128178][ T90] should_fail+0x3ab/0x500
[ 59.132746][ T90] __should_failslab+0xa4/0xe0
[ 59.137722][ T90] should_failslab+0x9/0x20
[ 59.145594][ T90] slab_pre_alloc_hook+0x39/0xd0
[ 59.151200][ T90] ? getname_kernel+0x59/0x2e0
[ 59.156018][ T90] kmem_cache_alloc+0x44/0x260
[ 59.160824][ T90] getname_kernel+0x59/0x2e0
[ 59.165436][ T90] kern_path+0x23/0x1b0
[ 59.169611][ T90] unix_find_other+0xe9/0x830
[ 59.174673][ T90] ? __unix_set_addr+0x3c0/0x3c0
[ 59.179751][ T90] unix_dgram_connect+0x3c9/0xcb0
[ 59.185211][ T90] ? unix_read_sock+0x2d0/0x2d0
[ 59.190796][ T90] __sys_connect+0x3cb/0x450
[ 59.195693][ T90] ? __sys_connect_file+0x170/0x170
[ 59.201067][ T90] ? debug_smp_processor_id+0x17/0x20
[ 59.206688][ T90] __x64_sys_connect+0x7a/0x90
[ 59.211591][ T90] x64_sys_call+0x7c/0x9a0
[ 59.216329][ T90] do_syscall_64+0x4c/0xa0
[ 59.220859][ T90] ? clear_bhb_loop+0x50/0xa0
[ 59.225674][ T90] ? clear_bhb_loop+0x50/0xa0
[ 59.230526][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 59.236900][ T90] RIP: 0033:0x7f7074fb0407
[ 59.241454][ T90] 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
[ 59.263772][ T90] RSP: 002b:00007fffd0776350 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[ 59.272998][ T90] RAX: ffffffffffffffda RBX: 00007f7074e60c80 RCX: 00007f7074fb0407
[ 59.281574][ T90] RDX: 000000000000006e RSI: 00007f70750b7560 RDI: 0000000000000003
[ 59.289956][ T90] RBP: 00007f70750b7560 R08: 0000000000000000 R09: 0000000000000000
[ 59.298076][ T90] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[ 59.307525][ T90] R13: 000000000000000c R14: 000000000000002e R15: 00007fffd07764c0
[ 59.315758][ T90]
[ 59.318899][ T10] CPU: 0 PID: 10 Comm: kworker/u4:1 Not tainted syzkaller #0
[ 59.319225][ T315] FAULT_INJECTION: forcing a failure.
[ 59.319225][ T315] name failslab, interval 1, probability 10, space 0, times 52
[ 59.326391][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 59.350108][ T10] Workqueue: writeback wb_workfn (flush-8:0)
[ 59.356231][ T10] Call Trace:
[ 59.359562][ T10]
[ 59.362519][ T10] __dump_stack+0x21/0x30
[ 59.367019][ T10] dump_stack_lvl+0x110/0x170
[ 59.371825][ T10] ? show_regs_print_info+0x20/0x20
[ 59.377421][ T10] ? prandom_u32+0x24d/0x290
[ 59.382270][ T10] dump_stack+0x15/0x20
[ 59.387222][ T10] should_fail+0x3ab/0x500
[ 59.391814][ T10] __should_failslab+0xa4/0xe0
[ 59.397014][ T10] should_failslab+0x9/0x20
[ 59.402056][ T10] slab_pre_alloc_hook+0x39/0xd0
[ 59.407686][ T10] ? mempool_alloc_slab+0x1d/0x30
[ 59.412968][ T10] kmem_cache_alloc+0x44/0x260
[ 59.418312][ T10] ? mempool_free+0x330/0x330
[ 59.423208][ T10] mempool_alloc_slab+0x1d/0x30
[ 59.428234][ T10] mempool_alloc+0x167/0x4c0
[ 59.433022][ T10] ? blk_put_request+0x20/0x20
[ 59.437896][ T10] ? fscrypt_mergeable_bio+0x1c6/0x670
[ 59.443584][ T10] ? mempool_resize+0x880/0x880
[ 59.448758][ T10] ? submit_bio+0x367/0x620
[ 59.453329][ T10] bio_alloc_bioset+0x22b/0x910
[ 59.458208][ T10] ext4_bio_write_page+0xf3b/0x1b40
[ 59.463438][ T10] mpage_submit_page+0x17d/0x220
[ 59.468583][ T10] ext4_writepages+0x19a3/0x30a0
[ 59.473564][ T10] ? _raw_spin_unlock+0x4d/0x70
[ 59.478540][ T10] ? ext4_readpage+0x220/0x220
[ 59.483340][ T10] ? __kasan_check_write+0x14/0x20
[ 59.488800][ T10] ? __local_bh_enable_ip+0x58/0x80
[ 59.494367][ T10] ? ext4_readpage+0x220/0x220
[ 59.499401][ T10] do_writepages+0x476/0x6d0
[ 59.504106][ T10] ? dev_queue_xmit+0x20/0x20
[ 59.508921][ T10] ? __writepage+0x130/0x130
[ 59.513627][ T10] ? __kasan_check_write+0x14/0x20
[ 59.518766][ T10] ? _raw_spin_lock+0x94/0xf0
[ 59.523726][ T10] __writeback_single_inode+0xd9/0x9e0
[ 59.529737][ T10] ? wbc_attach_and_unlock_inode+0x194/0x5f0
[ 59.536204][ T10] writeback_sb_inodes+0x9f3/0x1610
[ 59.542164][ T10] ? __kasan_check_write+0x14/0x20
[ 59.547833][ T10] ? __switch_to+0x56c/0x1070
[ 59.553213][ T10] ? queue_io+0x4b0/0x4b0
[ 59.557943][ T10] ? down_read_trylock+0x317/0x630
[ 59.563188][ T10] __writeback_inodes_wb+0x127/0x400
[ 59.568504][ T10] wb_writeback+0x3ff/0x990
[ 59.569381][ C1] FAULT_INJECTION: forcing a failure.
[ 59.569381][ C1] name failslab, interval 1, probability 10, space 0, times 52
[ 59.573035][ T10] ? inode_cgwb_move_to_attached+0x3b0/0x3b0
[ 59.592201][ T10] ? set_worker_desc+0x1ba/0x1f0
[ 59.597436][ T10] ? __kasan_check_write+0x14/0x20
[ 59.602586][ T10] ? __kasan_check_write+0x14/0x20
[ 59.607814][ T10] ? cpumask_next+0x7c/0xa0
[ 59.612345][ T10] wb_workfn+0xa49/0xf30
[ 59.616620][ T10] ? inode_wait_for_writeback+0x220/0x220
[ 59.622362][ T10] ? add_timer+0x68/0x80
[ 59.627130][ T10] ? __queue_delayed_work+0x173/0x200
[ 59.632666][ T10] ? __kasan_check_write+0x14/0x20
[ 59.637945][ T10] ? _raw_spin_lock_irq+0x95/0xf0
[ 59.643450][ T10] ? _raw_spin_lock_irqsave+0x130/0x130
[ 59.649309][ T10] process_one_work+0x6c8/0xbb0
[ 59.654200][ T10] worker_thread+0xaa0/0x1250
[ 59.658909][ T10] kthread+0x3f5/0x4f0
[ 59.663135][ T10] ? worker_clr_flags+0x190/0x190
[ 59.668196][ T10] ? kthread_blkcg+0xd0/0xd0
[ 59.672819][ T10] ret_from_fork+0x1f/0x30
[ 59.677555][ T10]
[ 59.682450][ C1] CPU: 1 PID: 315 Comm: kworker/1:2 Not tainted syzkaller #0
[ 59.689899][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 59.700207][ C1] Workqueue: ipv6_addrconf addrconf_dad_work
[ 59.701812][ T10] FAULT_INJECTION: forcing a failure.
[ 59.701812][ T10] name failslab, interval 1, probability 10, space 0, times 51
[ 59.706450][ C1] Call Trace:
[ 59.706465][ C1]
[ 59.726374][ C1] __dump_stack+0x21/0x30
[ 59.730732][ C1] dump_stack_lvl+0x110/0x170
[ 59.735601][ C1] ? show_regs_print_info+0x20/0x20
[ 59.741746][ C1] dump_stack+0x15/0x20
[ 59.746090][ C1] should_fail+0x3ab/0x500
[ 59.750570][ C1] ? ndisc_send_rs+0x310/0x960
[ 59.755471][ C1] __should_failslab+0xa4/0xe0
[ 59.760372][ C1] should_failslab+0x9/0x20
[ 59.764930][ C1] slab_pre_alloc_hook+0x39/0xd0
[ 59.770580][ C1] ? ndisc_send_rs+0x310/0x960
[ 59.775397][ C1] ? ndisc_send_rs+0x310/0x960
[ 59.780457][ C1] __kmalloc_track_caller+0x6c/0x2c0
[ 59.786367][ C1] ? ndisc_send_rs+0x310/0x960
[ 59.792200][ C1] ? ndisc_send_rs+0x310/0x960
[ 59.797189][ C1] __alloc_skb+0x210/0x730
[ 59.798126][ T410] FAULT_INJECTION: forcing a failure.
[ 59.798126][ T410] name failslab, interval 1, probability 10, space 0, times 51
[ 59.802215][ C1] ndisc_send_rs+0x310/0x960
[ 59.802246][ C1] ? ndisc_send_rs+0xa1/0x960
[ 59.826246][ C1] addrconf_rs_timer+0x35a/0x600
[ 59.831582][ C1] ? addrconf_disable_policy_idev+0x360/0x360
[ 59.838431][ C1] ? _raw_spin_lock_irqsave+0x130/0x130
[ 59.844372][ C1] ? addrconf_disable_policy_idev+0x360/0x360
[ 59.851640][ C1] call_timer_fn+0x38/0x290
[ 59.856462][ C1] ? addrconf_disable_policy_idev+0x360/0x360
[ 59.863378][ C1] __run_timers+0x637/0x9a0
[ 59.868007][ C1] ? calc_index+0x200/0x200
[ 59.872891][ C1] ? sched_clock_cpu+0x18/0x3d0
[ 59.877950][ C1] run_timer_softirq+0x6a/0xf0
[ 59.883368][ C1] handle_softirqs+0x250/0x560
[ 59.888551][ C1] __irq_exit_rcu+0x52/0xf0
[ 59.893520][ C1] irq_exit_rcu+0x9/0x10
[ 59.898299][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0
[ 59.904902][ C1]
[ 59.908271][ C1]
[ 59.911235][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 59.917575][ C1] RIP: 0010:__printk_wait_on_cpu_lock+0xb/0x40
[ 59.924251][ C1] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fc e4 56 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 55 48 89 e5 e8 d7 74 17 00 f3 90 <48> c7 c7 80 1f 71 86 be 04 00 00 00 e8 14 e6 56 00 8b 05 5e dd 1e
[ 59.946310][ C1] RSP: 0018:ffffc90000ac7890 EFLAGS: 00000293
[ 59.953111][ C1] RAX: ffffffff8152422c RBX: ffffffff8564bde0 RCX: ffff88810b90a780
[ 59.961512][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff86711f80
[ 59.971004][ C1] RBP: ffffc90000ac7890 R08: 0000000000000003 R09: 0000000000000004
[ 59.981282][ C1] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000
[ 59.993206][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000158f14
[ 60.001220][ C1] ? __printk_wait_on_cpu_lock+0x2c/0x40
[ 60.007732][ C1] dump_stack_lvl+0xce/0x170
[ 60.012371][ C1] ? show_regs_print_info+0x20/0x20
[ 60.017837][ C1] ? prandom_u32+0x24d/0x290
[ 60.023059][ C1] dump_stack+0x15/0x20
[ 60.027359][ C1] should_fail+0x3ab/0x500
[ 60.031801][ C1] ? ndisc_send_ns+0x347/0xb10
[ 60.036591][ C1] __should_failslab+0xa4/0xe0
[ 60.041679][ C1] should_failslab+0x9/0x20
[ 60.046245][ C1] slab_pre_alloc_hook+0x39/0xd0
[ 60.051330][ C1] ? ndisc_send_ns+0x347/0xb10
[ 60.056142][ C1] ? ndisc_send_ns+0x347/0xb10
[ 60.061020][ C1] __kmalloc_track_caller+0x6c/0x2c0
[ 60.066462][ C1] ? ndisc_send_ns+0x347/0xb10
[ 60.071699][ C1] ? ndisc_send_ns+0x347/0xb10
[ 60.076505][ C1] __alloc_skb+0x210/0x730
[ 60.081134][ C1] ndisc_send_ns+0x347/0xb10
[ 60.086341][ C1] ? ndisc_send_skb+0xcf0/0xcf0
[ 60.091932][ C1] ? mod_delayed_work_on+0xa8/0xe0
[ 60.097092][ C1] addrconf_dad_work+0x9fa/0x1510
[ 60.102143][ C1] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 60.107450][ C1] ? __kasan_check_write+0x14/0x20
[ 60.112593][ C1] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 60.118551][ C1] process_one_work+0x6c8/0xbb0
[ 60.123808][ C1] worker_thread+0xaa0/0x1250
[ 60.128538][ C1] ? __kasan_check_read+0x11/0x20
[ 60.134206][ C1] kthread+0x3f5/0x4f0
[ 60.138343][ C1] ? worker_clr_flags+0x190/0x190
[ 60.143626][ C1] ? kthread_blkcg+0xd0/0xd0
[ 60.149191][ C1] ret_from_fork+0x1f/0x30
[ 60.153871][ C1]
[ 60.157012][ T410] CPU: 0 PID: 410 Comm: syz-executor Not tainted syzkaller #0
[ 60.157946][ T8] FAULT_INJECTION: forcing a failure.
[ 60.157946][ T8] name failslab, interval 1, probability 10, space 0, times 50
[ 60.164706][ T410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 60.164726][ T410] Call Trace:
[ 60.164733][ T410]
[ 60.164741][ T410] __dump_stack+0x21/0x30
[ 60.164764][ T410] dump_stack_lvl+0x110/0x170
[ 60.164780][ T410] ? show_regs_print_info+0x20/0x20
[ 60.164798][ T410] ? prandom_u32+0x24d/0x290
[ 60.164817][ T410] dump_stack+0x15/0x20
[ 60.164840][ T410] should_fail+0x3ab/0x500
[ 60.164866][ T410] __should_failslab+0xa4/0xe0
[ 60.164888][ T410] should_failslab+0x9/0x20
[ 60.164908][ T410] slab_pre_alloc_hook+0x39/0xd0
[ 60.164930][ T410] ? security_inode_alloc+0x33/0x110
[ 60.164952][ T410] kmem_cache_alloc+0x44/0x260
[ 60.164972][ T410] security_inode_alloc+0x33/0x110
[ 60.164992][ T410] inode_init_always+0x72c/0x9b0
[ 60.266698][ T410] new_inode_pseudo+0x91/0x210
[ 60.272813][ T410] create_pipe_files+0x4f/0x6c0
[ 60.277833][ T410] __do_pipe_flags+0x4f/0x200
[ 60.282918][ T410] do_pipe2+0xa7/0x190
[ 60.288157][ T410] ? pipe_fcntl+0x510/0x510
[ 60.293203][ T410] ? __ia32_sys_read+0x90/0x90
[ 60.298389][ T410] ? debug_smp_processor_id+0x17/0x20
[ 60.305202][ T410] __x64_sys_pipe2+0x5a/0x70
[ 60.310552][ T410] x64_sys_call+0x354/0x9a0
[ 60.316070][ T410] do_syscall_64+0x4c/0xa0
[ 60.321134][ T410] ? clear_bhb_loop+0x50/0xa0
[ 60.326301][ T410] ? clear_bhb_loop+0x50/0xa0
[ 60.331256][ T410] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 60.337833][ T410] RIP: 0033:0x7fbbc62f1ec9
[ 60.344026][ T410] Code: 38 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 eb aa e8 ea 34 00 00 66 2e 0f 1f 84 00 00 00 00 00 31 f6 b8 25 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 07 c3 66 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff
[ 60.364918][ T410] RSP: 002b:00007ffec87b4338 EFLAGS: 00000246 ORIG_RAX: 0000000000000125
[ 60.373919][ T410] RAX: ffffffffffffffda RBX: 000055556a14a910 RCX: 00007fbbc62f1ec9
[ 60.382591][ T410] RDX: 0000000000000003 RSI: 0000000000000000 RDI: 00007ffec87b4348
[ 60.391999][ T410] RBP: 00007ffec87b4910 R08: 00007fbbc6545e20 R09: 0000000000000000
[ 60.402048][ T410] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffec87b4750
[ 60.410885][ T410] R13: 000055556a14dfd8 R14: 000055556a14ac10 R15: 00007ffec87b4490
[ 60.419098][ T410]
[ 60.422668][ T8] CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted syzkaller #0
[ 60.430168][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 60.440984][ T8] Workqueue: 0x0 (events_unbound)
[ 60.446145][ T8] Call Trace:
[ 60.450437][ T8]
[ 60.453764][ T8] __dump_stack+0x21/0x30
[ 60.458212][ T8] dump_stack_lvl+0x110/0x170
[ 60.460758][ T90] FAULT_INJECTION: forcing a failure.
[ 60.460758][ T90] name failslab, interval 1, probability 10, space 0, times 49
[ 60.462926][ T8] ? show_regs_print_info+0x20/0x20
[ 60.481933][ T8] ? prandom_u32+0x24d/0x290
[ 60.487196][ T8] dump_stack+0x15/0x20
[ 60.491388][ T8] should_fail+0x3ab/0x500
[ 60.495831][ T8] __should_failslab+0xa4/0xe0
[ 60.500740][ T8] should_failslab+0x9/0x20
[ 60.505273][ T8] slab_pre_alloc_hook+0x39/0xd0
[ 60.510412][ T8] kmem_cache_alloc_trace+0x48/0x270
[ 60.515730][ T8] ? __kthread_create_on_node+0x148/0x570
[ 60.521478][ T8] ? worker_clr_flags+0x190/0x190
[ 60.526739][ T8] __kthread_create_on_node+0x148/0x570
[ 60.532308][ T8] ? pointer+0xc60/0xc60
[ 60.536657][ T8] ? kthread_create_on_node+0x140/0x140
[ 60.542224][ T8] ? vsnprintf+0x189d/0x1990
[ 60.546927][ T8] ? worker_clr_flags+0x190/0x190
[ 60.551972][ T8] ? worker_clr_flags+0x190/0x190
[ 60.557107][ T8] kthread_create_on_node+0xe8/0x140
[ 60.562498][ T8] ? tsk_fork_get_node+0x10/0x10
[ 60.567538][ T8] ? create_worker+0xee/0x780
[ 60.572248][ T8] create_worker+0x36f/0x780
[ 60.576975][ T8] ? workqueue_prepare_cpu+0x170/0x170
[ 60.582461][ T8] worker_thread+0x4c0/0x1250
[ 60.587363][ T8] kthread+0x3f5/0x4f0
[ 60.591653][ T8] ? worker_clr_flags+0x190/0x190
[ 60.596717][ T8] ? kthread_blkcg+0xd0/0xd0
[ 60.601577][ T8] ret_from_fork+0x1f/0x30
[ 60.606204][ T8]
[ 60.609551][ T10] CPU: 0 PID: 10 Comm: kworker/u4:1 Not tainted syzkaller #0
[ 60.617060][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 60.627156][ T10] Workqueue: writeback wb_workfn (flush-8:0)
[ 60.633441][ T10] Call Trace:
[ 60.636755][ T10]
[ 60.639702][ T10] __dump_stack+0x21/0x30
[ 60.644053][ T10] dump_stack_lvl+0x110/0x170
[ 60.649040][ T10] ? show_regs_print_info+0x20/0x20
[ 60.654290][ T10] ? prandom_u32+0x24d/0x290
[ 60.659201][ T10] dump_stack+0x15/0x20
[ 60.663594][ T10] should_fail+0x3ab/0x500
[ 60.668043][ T10] __should_failslab+0xa4/0xe0
[ 60.673132][ T10] should_failslab+0x9/0x20
[ 60.677672][ T10] slab_pre_alloc_hook+0x39/0xd0
[ 60.682684][ T10] ? mempool_alloc_slab+0x1d/0x30
[ 60.688008][ T10] kmem_cache_alloc+0x44/0x260
[ 60.692986][ T10] ? mempool_free+0x330/0x330
[ 60.697877][ T10] mempool_alloc_slab+0x1d/0x30
[ 60.703029][ T10] mempool_alloc+0x167/0x4c0
[ 60.707835][ T10] ? blk_put_request+0x20/0x20
[ 60.713236][ T10] ? fscrypt_mergeable_bio+0x1c6/0x670
[ 60.718940][ T10] ? mempool_resize+0x880/0x880
[ 60.723941][ T10] ? submit_bio+0x367/0x620
[ 60.728506][ T10] bio_alloc_bioset+0x22b/0x910
[ 60.733501][ T10] ext4_bio_write_page+0xf3b/0x1b40
[ 60.739291][ T10] mpage_submit_page+0x17d/0x220
[ 60.744254][ T10] ext4_writepages+0x19a3/0x30a0
[ 60.749633][ T10] ? _raw_spin_unlock+0x4d/0x70
[ 60.754843][ T10] ? ext4_readpage+0x220/0x220
[ 60.760030][ T10] ? __kasan_check_write+0x14/0x20
[ 60.765269][ T10] ? __local_bh_enable_ip+0x58/0x80
[ 60.770881][ T10] ? ext4_readpage+0x220/0x220
[ 60.775675][ T10] do_writepages+0x476/0x6d0
[ 60.780298][ T10] ? dev_queue_xmit+0x20/0x20
[ 60.785301][ T10] ? __writepage+0x130/0x130
[ 60.790572][ T10] ? __kasan_check_write+0x14/0x20
[ 60.795929][ T10] ? _raw_spin_lock+0x94/0xf0
[ 60.800670][ T10] __writeback_single_inode+0xd9/0x9e0
[ 60.806166][ T10] ? wbc_attach_and_unlock_inode+0x194/0x5f0
[ 60.812180][ T10] writeback_sb_inodes+0x9f3/0x1610
[ 60.817403][ T10] ? __kasan_check_write+0x14/0x20
[ 60.822626][ T10] ? __switch_to+0x56c/0x1070
[ 60.827791][ T10] ? queue_io+0x4b0/0x4b0
[ 60.832736][ T10] ? down_read_trylock+0x317/0x630
[ 60.838313][ T10] __writeback_inodes_wb+0x127/0x400
[ 60.843823][ T10] wb_writeback+0x3ff/0x990
[ 60.849311][ T10] ? inode_cgwb_move_to_attached+0x3b0/0x3b0
[ 60.855570][ T10] ? set_worker_desc+0x1ba/0x1f0
[ 60.860551][ T10] ? __kasan_check_write+0x14/0x20
[ 60.865785][ T10] ? __kasan_check_write+0x14/0x20
[ 60.871053][ T10] ? cpumask_next+0x7c/0xa0
[ 60.875810][ T10] wb_workfn+0xa49/0xf30
[ 60.880228][ T10] ? inode_wait_for_writeback+0x220/0x220
[ 60.886078][ T10] ? add_timer+0x68/0x80
[ 60.890368][ T10] ? __queue_delayed_work+0x173/0x200
[ 60.895975][ T10] ? __kasan_check_write+0x14/0x20
[ 60.901209][ T10] ? _raw_spin_lock_irq+0x95/0xf0
[ 60.906516][ T10] ? _raw_spin_lock_irqsave+0x130/0x130
[ 60.912479][ T10] process_one_work+0x6c8/0xbb0
[ 60.917766][ T10] worker_thread+0xaa0/0x1250
[ 60.922576][ T10] kthread+0x3f5/0x4f0
[ 60.927211][ T10] ? worker_clr_flags+0x190/0x190
[ 60.933347][ T10] ? kthread_blkcg+0xd0/0xd0
[ 60.938159][ T10] ret_from_fork+0x1f/0x30
[ 60.942617][ T10]
[ 60.945664][ T39] CPU: 1 PID: 39 Comm: kworker/1:1 Not tainted syzkaller #0
[ 60.953181][ T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 60.963805][ T39] Workqueue: mld mld_ifc_work
[ 60.968748][ T39] Call Trace:
[ 60.972275][ T39]
[ 60.975595][ T39] __dump_stack+0x21/0x30
[ 60.980262][ T39] dump_stack_lvl+0x110/0x170
[ 60.985794][ T39] ? show_regs_print_info+0x20/0x20
[ 60.992687][ T39] dump_stack+0x15/0x20
[ 60.997011][ T39] should_fail+0x3ab/0x500
[ 61.001469][ T39] __should_failslab+0xa4/0xe0
[ 61.006476][ T39] should_failslab+0x9/0x20
[ 61.011019][ T39] slab_pre_alloc_hook+0x39/0xd0
[ 61.016768][ T39] ? __alloc_skb+0xe4/0x730
[ 61.021452][ T39] kmem_cache_alloc+0x44/0x260
[ 61.026877][ T39] __alloc_skb+0xe4/0x730
[ 61.031622][ T39] mld_newpack+0x143/0x9e0
[ 61.036481][ T39] ? mld_sendpack+0xba0/0xba0
[ 61.041911][ T39] add_grec+0xee8/0x1340
SYZFAIL: pipe failed
(errno 23: Too many open files in system)
[ 61.047472][ T39] ? wait_for_completion_killable_timeout+0x10/0x10
[ 61.054671][ T39] mld_ifc_work+0x728/0xc40
[ 61.059523][ T39] process_one_work+0x6c8/0xbb0
[ 61.064957][ T39] worker_thread+0xaa0/0x1250
[ 61.070158][ T39] ? __kasan_check_read+0x11/0x20
[ 61.075342][ T39] kthread+0x3f5/0x4f0
[ 61.080078][ T39] ? worker_clr_flags+0x190/0x190
[ 61.085525][ T39] ? kthread_blkcg+0xd0/0xd0
[ 61.091193][ T39] ret_from_fork+0x1f/0x30
[ 61.096555][ T39]
[ 61.100423][ T90] CPU: 0 PID: 90 Comm: klogd Not tainted syzkaller #0
[ 61.110881][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 61.122375][ T90] Call Trace:
[ 61.126304][ T90]
[ 61.129966][ T90] __dump_stack+0x21/0x30
[ 61.135551][ T90] dump_stack_lvl+0x110/0x170
[ 61.141456][ T90] ? show_regs_print_info+0x20/0x20
[ 61.147615][ T90] ? prandom_u32+0x24d/0x290
[ 61.152517][ T90] dump_stack+0x15/0x20
[ 61.157160][ T90] should_fail+0x3ab/0x500
[ 61.162012][ T90] __should_failslab+0xa4/0xe0
[ 61.167215][ T90] should_failslab+0x9/0x20
[ 61.171767][ T90] slab_pre_alloc_hook+0x39/0xd0
[ 61.177065][ T90] ? __alloc_skb+0xe4/0x730
[ 61.181819][ T90] kmem_cache_alloc+0x44/0x260
[ 61.186712][ T90] __alloc_skb+0xe4/0x730
[ 61.191374][ T90] alloc_skb_with_frags+0xa8/0x620
[ 61.196898][ T90] ? memcpy+0x56/0x70
[ 61.201111][ T90] sock_alloc_send_pskb+0x87f/0x9a0
[ 61.207312][ T90] ? sock_kzfree_s+0x60/0x60
[ 61.212576][ T90] ? __kasan_check_write+0x14/0x20
[ 61.217908][ T90] ? _raw_spin_lock+0x94/0xf0
[ 61.223362][ T90] ? _raw_spin_trylock_bh+0x150/0x150
[ 61.229873][ T90] unix_dgram_sendmsg+0x6f3/0x19b0
[ 61.235855][ T90] ? unix_dgram_poll+0x6c0/0x6c0
[ 61.241312][ T90] ? path_put+0x57/0x60
[ 61.245977][ T90] ? security_socket_sendmsg+0x82/0xa0
[ 61.252643][ T90] __sys_sendto+0x46d/0x620
[ 61.257738][ T90] ? __ia32_sys_getpeername+0x90/0x90
[ 61.264175][ T90] ? __kasan_check_write+0x14/0x20
[ 61.269501][ T39] FAULT_INJECTION: forcing a failure.
[ 61.269501][ T39] name failslab, interval 1, probability 10, space 0, times 46
[ 61.269572][ T90] __x64_sys_sendto+0xe5/0x100
[ 61.288550][ T90] x64_sys_call+0x178/0x9a0
[ 61.293478][ T90] do_syscall_64+0x4c/0xa0
[ 61.298306][ T90] ? clear_bhb_loop+0x50/0xa0
[ 61.303046][ T90] ? clear_bhb_loop+0x50/0xa0
[ 61.307757][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 61.313925][ T90] RIP: 0033:0x7f7074fb0407
[ 61.318623][ T90] 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
[ 61.338948][ T90] RSP: 002b:00007fffd0776380 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 61.347564][ T90] RAX: ffffffffffffffda RBX: 00007f7074e60c80 RCX: 00007f7074fb0407
[ 61.356150][ T90] RDX: 000000000000004c RSI: 00007fffd07764c0 RDI: 0000000000000003
[ 61.365039][ T90] RBP: 00007fffd07768f0 R08: 0000000000000000 R09: 0000000000000000
[ 61.373218][ T90] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fffd0776908
[ 61.381479][ T90] R13: 00007fffd07764c0 R14: 0000000000000031 R15: 00007fffd07764c0
[ 61.389807][ T90]
[ 61.393046][ T315] CPU: 1 PID: 315 Comm: kworker/1:2 Not tainted syzkaller #0
[ 61.395289][ T410] FAULT_INJECTION: forcing a failure.
[ 61.395289][ T410] name failslab, interval 1, probability 10, space 0, times 45
[ 61.400702][ T315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 61.400717][ T315] Workqueue: ipv6_addrconf addrconf_dad_work
[ 61.430261][ T315] Call Trace:
[ 61.433728][ T315]
[ 61.436709][ T315] __dump_stack+0x21/0x30
[ 61.439965][ T90] FAULT_INJECTION: forcing a failure.
[ 61.439965][ T90] name failslab, interval 1, probability 10, space 0, times 44
[ 61.441074][ T315] dump_stack_lvl+0x110/0x170
[ 61.458755][ T315] ? show_regs_print_info+0x20/0x20
[ 61.463986][ T315] ? prandom_u32+0x24d/0x290
[ 61.469002][ T315] dump_stack+0x15/0x20
[ 61.473464][ T315] should_fail+0x3ab/0x500
[ 61.478310][ T315] ? ndisc_send_ns+0x347/0xb10
[ 61.483199][ T315] __should_failslab+0xa4/0xe0
[ 61.488135][ T315] should_failslab+0x9/0x20
[ 61.492802][ T315] slab_pre_alloc_hook+0x39/0xd0
[ 61.497910][ T315] ? ndisc_send_ns+0x347/0xb10
[ 61.503124][ T315] ? ndisc_send_ns+0x347/0xb10
[ 61.508013][ T315] __kmalloc_track_caller+0x6c/0x2c0
[ 61.513341][ T315] ? ndisc_send_ns+0x347/0xb10
[ 61.518163][ T315] ? ndisc_send_ns+0x347/0xb10
[ 61.523438][ T315] __alloc_skb+0x210/0x730
[ 61.528096][ T315] ndisc_send_ns+0x347/0xb10
[ 61.532732][ T315] ? ndisc_send_skb+0xcf0/0xcf0
[ 61.537848][ T315] ? mod_delayed_work_on+0xa8/0xe0
[ 61.540183][ T10] FAULT_INJECTION: forcing a failure.
[ 61.540183][ T10] name failslab, interval 1, probability 10, space 0, times 44
[ 61.543214][ T315] addrconf_dad_work+0x9fa/0x1510
[ 61.562831][ T315] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 61.568539][ T315] ? __kasan_check_write+0x14/0x20
[ 61.573784][ T315] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 61.579882][ T315] process_one_work+0x6c8/0xbb0
[ 61.586108][ T315] worker_thread+0xaa0/0x1250
[ 61.591026][ T315] ? __kasan_check_read+0x11/0x20
[ 61.596362][ T315] kthread+0x3f5/0x4f0
[ 61.600775][ T315] ? worker_clr_flags+0x190/0x190
[ 61.605916][ T315] ? kthread_blkcg+0xd0/0xd0
[ 61.610699][ T315] ret_from_fork+0x1f/0x30
[ 61.615160][ T315]
[ 61.618211][ T90] CPU: 0 PID: 90 Comm: klogd Not tainted syzkaller #0
[ 61.625019][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 61.635521][ T90] Call Trace:
[ 61.638931][ T90]
[ 61.641995][ T90] __dump_stack+0x21/0x30
[ 61.646480][ T90] dump_stack_lvl+0x110/0x170
[ 61.651298][ T90] ? show_regs_print_info+0x20/0x20
[ 61.656622][ T90] dump_stack+0x15/0x20
[ 61.660896][ T90] should_fail+0x3ab/0x500
[ 61.665368][ T90] __should_failslab+0xa4/0xe0
[ 61.670178][ T90] should_failslab+0x9/0x20
[ 61.674829][ T90] slab_pre_alloc_hook+0x39/0xd0
[ 61.679808][ T90] ? sk_prot_alloc+0x5f/0x320
[ 61.684788][ T90] kmem_cache_alloc+0x44/0x260
[ 61.689620][ T90] ? slab_post_alloc_hook+0x6d/0x2b0
[ 61.695260][ T90] sk_prot_alloc+0x5f/0x320
[ 61.699827][ T90] sk_alloc+0x38/0x430
[ 61.704421][ T90] unix_create1+0xb4/0x610
[ 61.709060][ T90] unix_create+0x149/0x200
[ 61.713510][ T90] __sock_create+0x38d/0x7a0
[ 61.718136][ T90] __sys_socket+0xec/0x190
[ 61.723068][ T90] __x64_sys_socket+0x7a/0x90
[ 61.728316][ T90] x64_sys_call+0x8c5/0x9a0
[ 61.732854][ T90] do_syscall_64+0x4c/0xa0
[ 61.737572][ T90] ? clear_bhb_loop+0x50/0xa0
[ 61.742303][ T90] ? clear_bhb_loop+0x50/0xa0
[ 61.747026][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 61.753045][ T90] RIP: 0033:0x7f707502b707
[ 61.757517][ T90] 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
[ 61.777465][ T90] RSP: 002b:00007fffd0776398 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
[ 61.786008][ T90] RAX: ffffffffffffffda RBX: 000000000000004c RCX: 00007f707502b707
[ 61.794586][ T90] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001
[ 61.804164][ T90] RBP: 00007f70750b7560 R08: 0000000000000000 R09: 0000000000000000
[ 61.809505][ T8] FAULT_INJECTION: forcing a failure.
[ 61.809505][ T8] name failslab, interval 1, probability 10, space 0, times 44
[ 61.812440][ T90] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[ 61.834711][ T90] R13: 00007fffd07764c0 R14: 0000000000000031 R15: 00007fffd07764c0
[ 61.843609][ T90]
[ 61.847022][ T410] CPU: 1 PID: 410 Comm: syz-executor Not tainted syzkaller #0
[ 61.854867][ T410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 61.865679][ T410] Call Trace:
[ 61.869282][ T410]
[ 61.872490][ T410] __dump_stack+0x21/0x30
[ 61.877050][ T410] dump_stack_lvl+0x110/0x170
[ 61.881937][ T410] ? show_regs_print_info+0x20/0x20
[ 61.887350][ T410] dump_stack+0x15/0x20
[ 61.892003][ T410] should_fail+0x3ab/0x500
[ 61.896472][ T410] __should_failslab+0xa4/0xe0
[ 61.901744][ T410] should_failslab+0x9/0x20
[ 61.906292][ T410] slab_pre_alloc_hook+0x39/0xd0
[ 61.911364][ T410] ? __alloc_skb+0xe4/0x730
[ 61.916061][ T410] kmem_cache_alloc+0x44/0x260
[ 61.920949][ T410] __alloc_skb+0xe4/0x730
[ 61.925404][ T410] tcp_send_fin+0x1ad/0xf50
[ 61.930316][ T410] __tcp_close+0x588/0xde0
[ 61.935521][ T410] ? rwsem_write_trylock+0x136/0x300
[ 61.940838][ T410] tcp_close+0x29/0x110
[ 61.945023][ T410] inet_release+0x183/0x200
[ 61.950255][ T410] sock_close+0xb8/0x200
[ 61.954917][ T410] ? sock_mmap+0xa0/0xa0
[ 61.959427][ T410] __fput+0x22b/0x900
[ 61.963452][ T410] ____fput+0x15/0x20
[ 61.967685][ T410] task_work_run+0x127/0x190
[ 61.972318][ T410] do_exit+0xb70/0x29a0
[ 61.976630][ T410] ? put_task_struct+0x90/0x90
[ 61.981831][ T410] ? __fdget_pos+0x1f7/0x380
[ 61.986580][ T410] ? ksys_write+0x1eb/0x260
[ 61.991118][ T410] do_group_exit+0x149/0x310
[ 61.995742][ T410] __x64_sys_exit_group+0x3f/0x40
[ 62.000930][ T410] x64_sys_call+0x832/0x9a0
[ 62.005543][ T410] do_syscall_64+0x4c/0xa0
[ 62.010084][ T410] ? clear_bhb_loop+0x50/0xa0
[ 62.014805][ T410] ? clear_bhb_loop+0x50/0xa0
[ 62.019659][ T410] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 62.025750][ T410] RIP: 0033:0x7fbbc62f2e99
[ 62.030229][ T410] Code: Unable to access opcode bytes at RIP 0x7fbbc62f2e6f.
[ 62.037861][ T410] RSP: 002b:00007ffec87b4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 62.047508][ T410] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbbc62f2e99
[ 62.055611][ T410] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043
[ 62.064162][ T410] RBP: 00007fbbc63a411f R08: 0000000000000000 R09: 000055556a14dfd8
[ 62.072316][ T410] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000017
[ 62.080772][ T410] R13: 000055556a14dfd8 R14: 000055556a14ac10 R15: 00007ffec87b4490
[ 62.090516][ T410]
[ 62.093953][ T8] CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted syzkaller #0
[ 62.101555][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 62.111841][ T8] Workqueue: 0x0 (events_unbound)
[ 62.117606][ T8] Call Trace:
[ 62.121184][ T8]
[ 62.124276][ T8] __dump_stack+0x21/0x30
[ 62.129261][ T8] dump_stack_lvl+0x110/0x170
[ 62.134236][ T8] ? show_regs_print_info+0x20/0x20
[ 62.139773][ T8] ? prandom_u32+0x24d/0x290
[ 62.146479][ T8] dump_stack+0x15/0x20
[ 62.150989][ T8] should_fail+0x3ab/0x500
[ 62.155904][ T8] __should_failslab+0xa4/0xe0
[ 62.161302][ T8] should_failslab+0x9/0x20
[ 62.166575][ T8] slab_pre_alloc_hook+0x39/0xd0
[ 62.172204][ T8] kmem_cache_alloc_trace+0x48/0x270
[ 62.177746][ T8] ? create_worker+0xee/0x780
[ 62.182754][ T8] create_worker+0xee/0x780
[ 62.187377][ T8] ? workqueue_prepare_cpu+0x170/0x170
[ 62.192867][ T8] worker_thread+0x4c0/0x1250
[ 62.197583][ T8] kthread+0x3f5/0x4f0
[ 62.201689][ T8] ? worker_clr_flags+0x190/0x190
[ 62.206761][ T8] ? kthread_blkcg+0xd0/0xd0
[ 62.211389][ T8] ret_from_fork+0x1f/0x30
[ 62.215843][ T8]
[ 62.219214][ T39] CPU: 1 PID: 39 Comm: kworker/1:1 Not tainted syzkaller #0
[ 62.219512][ T60] FAULT_INJECTION: forcing a failure.
[ 62.219512][ T60] name failslab, interval 1, probability 10, space 0, times 43
[ 62.226561][ T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 62.250272][ T39] Workqueue: mld mld_ifc_work
[ 62.255085][ T39] Call Trace:
[ 62.258568][ T39]
[ 62.261794][ T39] __dump_stack+0x21/0x30
[ 62.266200][ T39] dump_stack_lvl+0x110/0x170
[ 62.270996][ T39] ? show_regs_print_info+0x20/0x20
[ 62.276231][ T39] ? prandom_u32+0x24d/0x290
[ 62.280851][ T39] dump_stack+0x15/0x20
[ 62.285153][ T39] should_fail+0x3ab/0x500
[ 62.289692][ T39] __should_failslab+0xa4/0xe0
[ 62.294580][ T39] should_failslab+0x9/0x20
[ 62.299305][ T39] slab_pre_alloc_hook+0x39/0xd0
[ 62.304289][ T39] kmem_cache_alloc_trace+0x48/0x270
[ 62.309604][ T39] ? dst_cow_metrics_generic+0x55/0x1c0
[ 62.315189][ T39] dst_cow_metrics_generic+0x55/0x1c0
[ 62.320595][ T39] icmp6_dst_alloc+0x35f/0x520
[ 62.325551][ T39] mld_sendpack+0x4d9/0xba0
[ 62.330311][ T39] ? add_grec+0x1340/0x1340
[ 62.334977][ T39] ? add_grec+0xf70/0x1340
[ 62.339544][ T39] ? memcpy+0x56/0x70
[ 62.343728][ T39] ? wait_for_completion_killable_timeout+0x10/0x10
[ 62.350870][ T39] mld_ifc_work+0x7d7/0xc40
[ 62.355609][ T39] process_one_work+0x6c8/0xbb0
[ 62.360664][ T39] worker_thread+0xaa0/0x1250
[ 62.366607][ T39] ? __kasan_check_read+0x11/0x20
[ 62.372550][ T39] kthread+0x3f5/0x4f0
[ 62.376937][ T39] ? worker_clr_flags+0x190/0x190
[ 62.382720][ T39] ? kthread_blkcg+0xd0/0xd0
[ 62.387733][ T39] ret_from_fork+0x1f/0x30
[ 62.392380][ T39]
[ 62.395428][ T10] CPU: 0 PID: 10 Comm: kworker/u4:1 Not tainted syzkaller #0
[ 62.403704][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 62.414421][ T10] Workqueue: writeback wb_workfn (flush-8:0)
[ 62.420561][ T10] Call Trace:
[ 62.423883][ T10]
[ 62.426851][ T10] __dump_stack+0x21/0x30
[ 62.431384][ T10] dump_stack_lvl+0x110/0x170
[ 62.436200][ T10] ? show_regs_print_info+0x20/0x20
[ 62.441994][ T10] ? prandom_u32+0x24d/0x290
[ 62.446832][ T10] dump_stack+0x15/0x20
[ 62.451035][ T10] should_fail+0x3ab/0x500
[ 62.455500][ T10] __should_failslab+0xa4/0xe0
[ 62.460316][ T10] should_failslab+0x9/0x20
[ 62.464899][ T10] slab_pre_alloc_hook+0x39/0xd0
[ 62.469960][ T10] ? mempool_alloc_slab+0x1d/0x30
[ 62.475476][ T10] kmem_cache_alloc+0x44/0x260
[ 62.480661][ T10] ? mempool_free+0x330/0x330
[ 62.485646][ T10] mempool_alloc_slab+0x1d/0x30
[ 62.490630][ T10] mempool_alloc+0x167/0x4c0
[ 62.495428][ T10] ? blk_mq_delay_run_hw_queue+0x30/0x30
[ 62.501253][ T10] ? mempool_resize+0x880/0x880
[ 62.506347][ T10] ? blk_mq_sched_insert_requests+0x216/0x340
[ 62.512585][ T10] bio_alloc_bioset+0x124/0x910
[ 62.517474][ T10] bio_split+0xb4/0x310
[ 62.521737][ T10] __blk_queue_split+0xf6f/0x15c0
[ 62.527054][ T10] ? blk_end_sync_rq+0x50/0x50
[ 62.531837][ T10] ? preempt_count_add+0x90/0x1b0
[ 62.537069][ T10] blk_mq_submit_bio+0x1cc/0x1900
[ 62.542752][ T10] ? ktime_get+0x12f/0x160
[ 62.547311][ T10] ? submit_bio_checks+0xb77/0x11e0
[ 62.552764][ T10] ? blk_mq_try_issue_list_directly+0x490/0x490
[ 62.559301][ T10] ? __submit_bio+0x900/0x900
[ 62.564597][ T10] ? blk_try_enter_queue+0x165/0x350
[ 62.570256][ T10] __submit_bio+0x817/0x900
[ 62.575179][ T10] ? trace_raw_output_block_rq_remap+0x260/0x260
[ 62.581945][ T10] ? release_pages+0x1264/0x12c0
[ 62.587077][ T10] submit_bio_noacct+0x73b/0x800
[ 62.592146][ T10] ? blk_put_request+0x20/0x20
[ 62.596952][ T10] ? __pagevec_release+0x71/0xe0
[ 62.602044][ T10] ? blkcg_set_ioprio+0x1f6/0x320
[ 62.607086][ T10] submit_bio+0x367/0x620
[ 62.611443][ T10] ? submit_bio_noacct+0x800/0x800
[ 62.616673][ T10] ext4_io_submit+0x15d/0x210
[ 62.621395][ T10] ext4_writepages+0xf83/0x30a0
[ 62.626467][ T10] ? _raw_spin_unlock+0x4d/0x70
[ 62.631366][ T10] ? ext4_readpage+0x220/0x220
[ 62.636181][ T10] ? __kasan_check_write+0x14/0x20
[ 62.641339][ T10] ? __local_bh_enable_ip+0x58/0x80
[ 62.646741][ T10] ? ext4_readpage+0x220/0x220
[ 62.651539][ T10] do_writepages+0x476/0x6d0
[ 62.656355][ T10] ? dev_queue_xmit+0x20/0x20
[ 62.661097][ T10] ? __writepage+0x130/0x130
[ 62.665733][ T10] ? __kasan_check_write+0x14/0x20
[ 62.670998][ T10] ? _raw_spin_lock+0x94/0xf0
[ 62.675820][ T10] __writeback_single_inode+0xd9/0x9e0
[ 62.681788][ T10] ? wbc_attach_and_unlock_inode+0x194/0x5f0
[ 62.688219][ T10] writeback_sb_inodes+0x9f3/0x1610
[ 62.693674][ T10] ? __kasan_check_write+0x14/0x20
[ 62.699131][ T10] ? __switch_to+0x56c/0x1070
[ 62.703848][ T10] ? queue_io+0x4b0/0x4b0
[ 62.708407][ T10] ? down_read_trylock+0x317/0x630
[ 62.713973][ T10] __writeback_inodes_wb+0x127/0x400
[ 62.719879][ T10] wb_writeback+0x3ff/0x990
[ 62.724428][ T10] ? inode_cgwb_move_to_attached+0x3b0/0x3b0
[ 62.730529][ T10] ? set_worker_desc+0x1ba/0x1f0
[ 62.735498][ T10] ? __kasan_check_write+0x14/0x20
[ 62.740635][ T10] ? __kasan_check_write+0x14/0x20
[ 62.745780][ T10] ? cpumask_next+0x7c/0xa0
[ 62.750313][ T10] wb_workfn+0xa49/0xf30
[ 62.754650][ T10] ? inode_wait_for_writeback+0x220/0x220
[ 62.760418][ T10] ? add_timer+0x68/0x80
[ 62.764713][ T10] ? __queue_delayed_work+0x173/0x200
[ 62.770554][ T10] ? __kasan_check_write+0x14/0x20
[ 62.775776][ T10] ? _raw_spin_lock_irq+0x95/0xf0
[ 62.780965][ T10] ? _raw_spin_lock_irqsave+0x130/0x130
[ 62.786826][ T10] process_one_work+0x6c8/0xbb0
[ 62.791991][ T10] worker_thread+0xaa0/0x1250
[ 62.796719][ T10] kthread+0x3f5/0x4f0
[ 62.801021][ T10] ? worker_clr_flags+0x190/0x190
[ 62.806282][ T10] ? kthread_blkcg+0xd0/0xd0
[ 62.810996][ T10] ret_from_fork+0x1f/0x30
[ 62.815431][ T10]
[ 62.819448][ T60] CPU: 0 PID: 60 Comm: kworker/0:2 Not tainted syzkaller #0
[ 62.826986][ T60] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 62.830071][ T90] FAULT_INJECTION: forcing a failure.
[ 62.830071][ T90] name failslab, interval 1, probability 10, space 0, times 41
[ 62.837340][ T60] Workqueue: ipv6_addrconf addrconf_dad_work
[ 62.856737][ T60] Call Trace:
[ 62.860084][ T60]
[ 62.863054][ T60] __dump_stack+0x21/0x30
[ 62.867547][ T60] dump_stack_lvl+0x110/0x170
[ 62.872626][ T60] ? show_regs_print_info+0x20/0x20
[ 62.877861][ T60] ? prandom_u32+0x24d/0x290
[ 62.882495][ T60] dump_stack+0x15/0x20
[ 62.886686][ T60] should_fail+0x3ab/0x500
[ 62.891158][ T60] ? ndisc_send_ns+0x347/0xb10
[ 62.895954][ T60] __should_failslab+0xa4/0xe0
[ 62.900797][ T60] should_failslab+0x9/0x20
[ 62.906047][ T60] slab_pre_alloc_hook+0x39/0xd0
[ 62.911031][ T60] ? ndisc_send_ns+0x347/0xb10
[ 62.915822][ T60] ? ndisc_send_ns+0x347/0xb10
[ 62.920618][ T60] __kmalloc_track_caller+0x6c/0x2c0
[ 62.926061][ T60] ? ndisc_send_ns+0x347/0xb10
[ 62.931038][ T60] ? ndisc_send_ns+0x347/0xb10
[ 62.935967][ T60] __alloc_skb+0x210/0x730
[ 62.940662][ T60] ndisc_send_ns+0x347/0xb10
[ 62.945397][ T60] ? ndisc_send_skb+0xcf0/0xcf0
[ 62.950369][ T60] ? mod_delayed_work_on+0xa8/0xe0
[ 62.955731][ T60] addrconf_dad_work+0x9fa/0x1510
[ 62.960895][ T60] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 62.966319][ T60] ? __kasan_check_write+0x14/0x20
[ 62.971468][ T60] ? _raw_spin_lock_irq+0x95/0xf0
[ 62.976631][ T60] ? _raw_spin_lock_irqsave+0x130/0x130
[ 62.982514][ T60] process_one_work+0x6c8/0xbb0
[ 62.987469][ T60] worker_thread+0xaa0/0x1250
[ 62.992191][ T60] ? __kasan_check_read+0x11/0x20
[ 62.997420][ T60] kthread+0x3f5/0x4f0
[ 63.001604][ T60] ? worker_clr_flags+0x190/0x190
[ 63.006667][ T60] ? kthread_blkcg+0xd0/0xd0
[ 63.011549][ T60] ret_from_fork+0x1f/0x30
[ 63.016053][ T60]
[ 63.019198][ T90] CPU: 1 PID: 90 Comm: klogd Not tainted syzkaller #0
[ 63.022536][ T60] FAULT_INJECTION: forcing a failure.
[ 63.022536][ T60] name failslab, interval 1, probability 10, space 0, times 38
[ 63.026484][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 63.049516][ T90] Call Trace:
[ 63.052854][ T90]
[ 63.055933][ T90] __dump_stack+0x21/0x30
[ 63.060406][ T90] dump_stack_lvl+0x110/0x170
[ 63.065175][ T90] ? show_regs_print_info+0x20/0x20
[ 63.070608][ T90] dump_stack+0x15/0x20
[ 63.075232][ T90] should_fail+0x3ab/0x500
[ 63.079703][ T90] __should_failslab+0xa4/0xe0
[ 63.084825][ T90] should_failslab+0x9/0x20
[ 63.089799][ T90] slab_pre_alloc_hook+0x39/0xd0
[ 63.094909][ T90] ? getname_kernel+0x59/0x2e0
[ 63.099755][ T90] kmem_cache_alloc+0x44/0x260
[ 63.104565][ T90] getname_kernel+0x59/0x2e0
[ 63.109385][ T90] kern_path+0x23/0x1b0
[ 63.113579][ T90] unix_find_other+0xe9/0x830
[ 63.118293][ T90] ? __unix_set_addr+0x3c0/0x3c0
[ 63.123300][ T90] unix_dgram_connect+0x3c9/0xcb0
[ 63.128387][ T90] ? unix_read_sock+0x2d0/0x2d0
[ 63.133280][ T90] __sys_connect+0x3cb/0x450
[ 63.137907][ T90] ? __sys_connect_file+0x170/0x170
[ 63.143152][ T90] ? debug_smp_processor_id+0x17/0x20
[ 63.148744][ T90] __x64_sys_connect+0x7a/0x90
[ 63.153561][ T90] x64_sys_call+0x7c/0x9a0
[ 63.158034][ T90] do_syscall_64+0x4c/0xa0
[ 63.162582][ T90] ? clear_bhb_loop+0x50/0xa0
[ 63.167558][ T90] ? clear_bhb_loop+0x50/0xa0
[ 63.172276][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 63.178585][ T90] RIP: 0033:0x7f7074fb0407
[ 63.183214][ T90] 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
[ 63.204222][ T90] RSP: 002b:00007fffd0776350 EFLAGS: 00000202 ORIG_RAX: 000000000000002a
[ 63.214576][ T90] RAX: ffffffffffffffda RBX: 00007f7074e60c80 RCX: 00007f7074fb0407
[ 63.223138][ T90] RDX: 000000000000006e RSI: 00007f70750b7560 RDI: 0000000000000003
[ 63.231144][ T90] RBP: 00007f70750b7560 R08: 0000000000000000 R09: 0000000000000000
[ 63.239239][ T90] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[ 63.247776][ T90] R13: 000000000000000c R14: 000000000000002c R15: 00007fffd07764c0
[ 63.250842][ T10] FAULT_INJECTION: forcing a failure.
[ 63.250842][ T10] name failslab, interval 1, probability 10, space 0, times 37
[ 63.255886][ T90]
[ 63.257066][ T1] FAULT_INJECTION: forcing a failure.
[ 63.257066][ T1] name failslab, interval 1, probability 10, space 0, times 37
[ 63.268911][ T60] CPU: 0 PID: 60 Comm: kworker/0:2 Not tainted syzkaller #0
[ 63.268940][ T60] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 63.268956][ T60] Workqueue: ipv6_addrconf addrconf_dad_work
[ 63.268987][ T60] Call Trace:
[ 63.268994][ T60]
[ 63.269003][ T60] __dump_stack+0x21/0x30
[ 63.269028][ T60] dump_stack_lvl+0x110/0x170
[ 63.269049][ T60] ? show_regs_print_info+0x20/0x20
[ 63.269073][ T60] dump_stack+0x15/0x20
[ 63.269092][ T60] should_fail+0x3ab/0x500
[ 63.269116][ T60] __should_failslab+0xa4/0xe0
[ 63.269142][ T60] should_failslab+0x9/0x20
[ 63.269165][ T60] slab_pre_alloc_hook+0x39/0xd0
[ 63.353473][ T60] ? __alloc_skb+0xe4/0x730
[ 63.358056][ T60] kmem_cache_alloc+0x44/0x260
[ 63.363329][ T60] __alloc_skb+0xe4/0x730
[ 63.367791][ T60] ndisc_send_ns+0x347/0xb10
[ 63.372669][ T60] ? ndisc_send_skb+0xcf0/0xcf0
[ 63.377656][ T60] ? mod_delayed_work_on+0xa8/0xe0
[ 63.383031][ T60] addrconf_dad_work+0x9fa/0x1510
[ 63.388677][ T60] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 63.394338][ T60] ? __kasan_check_write+0x14/0x20
[ 63.399502][ T60] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 63.405646][ T60] process_one_work+0x6c8/0xbb0
[ 63.410907][ T60] worker_thread+0xaa0/0x1250
[ 63.415627][ T60] ? __kasan_check_read+0x11/0x20
[ 63.420994][ T60] kthread+0x3f5/0x4f0
[ 63.425208][ T60] ? worker_clr_flags+0x190/0x190
[ 63.430372][ T60] ? kthread_blkcg+0xd0/0xd0
[ 63.435009][ T60] ret_from_fork+0x1f/0x30
[ 63.439488][ T60]
[ 63.442551][ T10] CPU: 1 PID: 10 Comm: kworker/u4:1 Not tainted syzkaller #0
[ 63.450888][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 63.461067][ T10] Workqueue: writeback wb_workfn (flush-8:0)
[ 63.467216][ T10] Call Trace:
[ 63.470654][ T10]
[ 63.473820][ T10] __dump_stack+0x21/0x30
[ 63.478201][ T10] dump_stack_lvl+0x110/0x170
[ 63.483706][ T10] ? show_regs_print_info+0x20/0x20
[ 63.489663][ T10] ? prandom_u32+0x24d/0x290
[ 63.494456][ T10] dump_stack+0x15/0x20
[ 63.498734][ T10] should_fail+0x3ab/0x500
[ 63.503164][ T10] __should_failslab+0xa4/0xe0
[ 63.508212][ T10] should_failslab+0x9/0x20
[ 63.512822][ T10] slab_pre_alloc_hook+0x39/0xd0
[ 63.517867][ T10] ? mempool_alloc_slab+0x1d/0x30
[ 63.523149][ T10] kmem_cache_alloc+0x44/0x260
[ 63.527985][ T10] ? mempool_free+0x330/0x330
[ 63.532705][ T10] mempool_alloc_slab+0x1d/0x30
[ 63.537600][ T10] mempool_alloc+0x167/0x4c0
[ 63.542295][ T10] ? blk_mq_delay_run_hw_queue+0x30/0x30
[ 63.547954][ T10] ? mempool_resize+0x880/0x880
[ 63.552839][ T10] ? blk_mq_sched_insert_requests+0x216/0x340
[ 63.559041][ T10] bio_alloc_bioset+0x124/0x910
[ 63.563950][ T10] bio_split+0xb4/0x310
[ 63.568152][ T10] __blk_queue_split+0xf6f/0x15c0
[ 63.573223][ T10] ? blk_end_sync_rq+0x50/0x50
[ 63.578017][ T10] ? preempt_count_add+0x90/0x1b0
[ 63.583068][ T10] blk_mq_submit_bio+0x1cc/0x1900
[ 63.588132][ T10] ? ktime_get+0x12f/0x160
[ 63.592669][ T10] ? submit_bio_checks+0xb77/0x11e0
[ 63.597897][ T10] ? blk_mq_try_issue_list_directly+0x490/0x490
[ 63.604364][ T10] ? __submit_bio+0x900/0x900
[ 63.609072][ T10] ? blk_try_enter_queue+0x165/0x350
[ 63.614419][ T10] __submit_bio+0x817/0x900
[ 63.619396][ T10] ? trace_raw_output_block_rq_remap+0x260/0x260
[ 63.625939][ T10] ? release_pages+0x1264/0x12c0
[ 63.630992][ T10] submit_bio_noacct+0x73b/0x800
[ 63.636058][ T10] ? blk_put_request+0x20/0x20
[ 63.640852][ T10] ? __pagevec_release+0x71/0xe0
[ 63.645925][ T10] ? blkcg_set_ioprio+0x1f6/0x320
[ 63.651001][ T10] submit_bio+0x367/0x620
[ 63.655616][ T10] ? submit_bio_noacct+0x800/0x800
[ 63.660845][ T10] ext4_io_submit+0x15d/0x210
[ 63.665938][ T10] ext4_writepages+0xf83/0x30a0
[ 63.671437][ T10] ? _raw_spin_unlock+0x4d/0x70
[ 63.676438][ T10] ? ext4_readpage+0x220/0x220
[ 63.681311][ T10] ? __kasan_check_write+0x14/0x20
[ 63.686715][ T10] ? __local_bh_enable_ip+0x58/0x80
[ 63.692553][ T10] ? ext4_readpage+0x220/0x220
[ 63.697850][ T10] do_writepages+0x476/0x6d0
[ 63.702503][ T10] ? dev_queue_xmit+0x20/0x20
[ 63.707270][ T10] ? __writepage+0x130/0x130
[ 63.712105][ T10] ? __kasan_check_write+0x14/0x20
[ 63.717261][ T10] ? _raw_spin_lock+0x94/0xf0
[ 63.721999][ T10] __writeback_single_inode+0xd9/0x9e0
[ 63.727503][ T10] ? wbc_attach_and_unlock_inode+0x194/0x5f0
[ 63.733608][ T10] writeback_sb_inodes+0x9f3/0x1610
[ 63.738968][ T10] ? __kasan_check_write+0x14/0x20
[ 63.744230][ T10] ? __switch_to+0x56c/0x1070
[ 63.749634][ T10] ? queue_io+0x4b0/0x4b0
[ 63.754014][ T10] ? down_read_trylock+0x317/0x630
[ 63.759371][ T10] __writeback_inodes_wb+0x127/0x400
[ 63.764926][ T10] wb_writeback+0x3ff/0x990
[ 63.769659][ T10] ? inode_cgwb_move_to_attached+0x3b0/0x3b0
[ 63.775889][ T10] ? set_worker_desc+0x1ba/0x1f0
[ 63.781494][ T10] ? __kasan_check_write+0x14/0x20
[ 63.786741][ T10] ? __kasan_check_write+0x14/0x20
[ 63.791886][ T10] ? cpumask_next+0x7c/0xa0
[ 63.796419][ T10] wb_workfn+0xa49/0xf30
[ 63.800968][ T10] ? inode_wait_for_writeback+0x220/0x220
[ 63.806807][ T10] ? add_timer+0x68/0x80
[ 63.811232][ T10] ? __queue_delayed_work+0x173/0x200
[ 63.816643][ T10] ? __kasan_check_write+0x14/0x20
[ 63.822167][ T10] ? _raw_spin_lock_irq+0x95/0xf0
[ 63.827415][ T10] ? _raw_spin_lock_irqsave+0x130/0x130
[ 63.833360][ T10] process_one_work+0x6c8/0xbb0
[ 63.838426][ T10] worker_thread+0xaa0/0x1250
[ 63.843159][ T10] kthread+0x3f5/0x4f0
[ 63.847510][ T10] ? worker_clr_flags+0x190/0x190
[ 63.852688][ T10] ? kthread_blkcg+0xd0/0xd0
[ 63.857704][ T10] ret_from_fork+0x1f/0x30
[ 63.862183][ T10]
[ 63.865635][ T315] FAULT_INJECTION: forcing a failure.
[ 63.865635][ T315] name failslab, interval 1, probability 10, space 0, times 35
[ 63.878910][ T315] CPU: 1 PID: 315 Comm: kworker/1:2 Not tainted syzkaller #0
[ 63.879081][ T90] FAULT_INJECTION: forcing a failure.
[ 63.879081][ T90] name failslab, interval 1, probability 10, space 0, times 35
[ 63.886343][ T315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 63.886359][ T315] Workqueue: ipv6_addrconf addrconf_dad_work
[ 63.886389][ T315] Call Trace:
[ 63.886396][ T315]
[ 63.886404][ T315] __dump_stack+0x21/0x30
[ 63.886426][ T315] dump_stack_lvl+0x110/0x170
[ 63.886447][ T315] ? show_regs_print_info+0x20/0x20
[ 63.886470][ T315] ? prandom_u32+0x24d/0x290
[ 63.947514][ T315] dump_stack+0x15/0x20
[ 63.951846][ T315] should_fail+0x3ab/0x500
[ 63.956429][ T315] ? ndisc_send_ns+0x347/0xb10
[ 63.961418][ T315] __should_failslab+0xa4/0xe0
[ 63.966237][ T315] should_failslab+0x9/0x20
[ 63.970774][ T315] slab_pre_alloc_hook+0x39/0xd0
[ 63.976102][ T315] ? ndisc_send_ns+0x347/0xb10
[ 63.980994][ T315] ? ndisc_send_ns+0x347/0xb10
[ 63.985786][ T315] __kmalloc_track_caller+0x6c/0x2c0
[ 63.991107][ T315] ? ndisc_send_ns+0x347/0xb10
[ 63.995902][ T315] ? ndisc_send_ns+0x347/0xb10
[ 64.000824][ T315] __alloc_skb+0x210/0x730
[ 64.005572][ T315] ndisc_send_ns+0x347/0xb10
[ 64.010420][ T315] ? ndisc_send_skb+0xcf0/0xcf0
[ 64.015518][ T315] ? mod_delayed_work_on+0xa8/0xe0
[ 64.020743][ T315] addrconf_dad_work+0x9fa/0x1510
[ 64.025790][ T315] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 64.031213][ T315] ? __kasan_check_write+0x14/0x20
[ 64.036623][ T315] ? _raw_spin_lock_irq+0x95/0xf0
[ 64.041681][ T315] ? _raw_spin_lock_irqsave+0x130/0x130
[ 64.047332][ T315] ? neigh_periodic_work+0xa2a/0xaa0
[ 64.052645][ T315] process_one_work+0x6c8/0xbb0
[ 64.057608][ T315] worker_thread+0xaa0/0x1250
[ 64.062518][ T315] ? __kasan_check_read+0x11/0x20
[ 64.067747][ T315] kthread+0x3f5/0x4f0
[ 64.072141][ T315] ? worker_clr_flags+0x190/0x190
[ 64.077579][ T315] ? kthread_blkcg+0xd0/0xd0
[ 64.082405][ T315] ret_from_fork+0x1f/0x30
[ 64.087349][ T315]
[ 64.090582][ T1] CPU: 0 PID: 1 Comm: init Not tainted syzkaller #0
[ 64.091604][ T2] FAULT_INJECTION: forcing a failure.
[ 64.091604][ T2] name failslab, interval 1, probability 10, space 0, times 35
[ 64.097565][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 64.114394][ T39] FAULT_INJECTION: forcing a failure.
[ 64.114394][ T39] name failslab, interval 1, probability 10, space 0, times 34
[ 64.121139][ T1] Call Trace:
[ 64.121149][ T1]
[ 64.121157][ T1] __dump_stack+0x21/0x30
[ 64.121181][ T1] dump_stack_lvl+0x110/0x170
[ 64.151799][ T1] ? show_regs_print_info+0x20/0x20
[ 64.157687][ T1] ? prandom_u32+0x24d/0x290
[ 64.162533][ T1] dump_stack+0x15/0x20
[ 64.166868][ T1] should_fail+0x3ab/0x500
[ 64.172119][ T1] __should_failslab+0xa4/0xe0
[ 64.177070][ T1] should_failslab+0x9/0x20
[ 64.182560][ T1] slab_pre_alloc_hook+0x39/0xd0
[ 64.188296][ T1] ? prepare_creds+0x2f/0x610
[ 64.193375][ T1] kmem_cache_alloc+0x44/0x260
[ 64.198892][ T1] prepare_creds+0x2f/0x610
[ 64.203651][ T1] do_faccessat+0xe8/0x9b0
[ 64.208214][ T1] ? stream_open+0x60/0x60
[ 64.213175][ T1] ? debug_smp_processor_id+0x17/0x20
[ 64.218705][ T1] __x64_sys_access+0x61/0x70
[ 64.223608][ T1] x64_sys_call+0x78a/0x9a0
[ 64.228780][ T1] do_syscall_64+0x4c/0xa0
[ 64.233446][ T1] ? clear_bhb_loop+0x50/0xa0
[ 64.238446][ T1] ? clear_bhb_loop+0x50/0xa0
[ 64.243621][ T1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 64.249759][ T1] RIP: 0033:0x7f6bef7962c7
[ 64.254477][ T1] Code: 0f 1f 00 8b 87 10 01 00 00 89 06 31 c0 c3 0f 1f 44 00 00 89 b7 10 01 00 00 31 c0 c3 0f 1f 80 00 00 00 00 b8 15 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 01 fb 0d 00 f7 d8 64 89 02 b8
[ 64.274625][ T1] RSP: 002b:00007fffc807df08 EFLAGS: 00000246 ORIG_RAX: 0000000000000015
[ 64.283082][ T1] RAX: ffffffffffffffda RBX: 00007f6bef83a0b7 RCX: 00007f6bef7962c7
[ 64.291334][ T1] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 00007f6bef83a0b7
[ 64.299637][ T1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 64.307634][ T1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 64.316036][ T1] R13: 0000000000000000 R14: 00000000000001d8 R15: 0000558a97dcad98
[ 64.324185][ T1]
[ 64.327263][ T2] CPU: 1 PID: 2 Comm: kthreadd Not tainted syzkaller #0
[ 64.334470][ T2] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 64.344644][ T2] Call Trace:
[ 64.348056][ T2]
[ 64.351016][ T2] __dump_stack+0x21/0x30
[ 64.355515][ T2] dump_stack_lvl+0x110/0x170
[ 64.360338][ T2] ? show_regs_print_info+0x20/0x20
[ 64.366165][ T2] ? prandom_u32+0x24d/0x290
[ 64.370803][ T2] dump_stack+0x15/0x20
[ 64.375217][ T2] should_fail+0x3ab/0x500
[ 64.380096][ T2] __should_failslab+0xa4/0xe0
[ 64.385258][ T2] should_failslab+0x9/0x20
[ 64.389987][ T2] slab_pre_alloc_hook+0x39/0xd0
[ 64.395308][ T2] ? prepare_creds+0x2f/0x610
[ 64.400038][ T2] kmem_cache_alloc+0x44/0x260
[ 64.404932][ T2] prepare_creds+0x2f/0x610
[ 64.410241][ T2] ? fpu_clone+0x26d/0x4e0
[ 64.414708][ T2] copy_creds+0xe4/0x640
[ 64.419086][ T2] copy_process+0x7d5/0x3280
[ 64.424978][ T2] ? update_load_avg+0x442/0x1110
[ 64.431703][ T2] ? __pidfd_prepare+0x150/0x150
[ 64.436869][ T2] ? __switch_to+0x56c/0x1070
[ 64.442308][ T2] kernel_clone+0x233/0x960
[ 64.447304][ T2] ? create_io_thread+0x170/0x170
[ 64.452467][ T2] ? finish_task_switch+0x16b/0x790
[ 64.458158][ T2] ? switch_mm_irqs_off+0x32d/0x960
[ 64.463927][ T2] ? kthread_blkcg+0xd0/0xd0
[ 64.469058][ T2] kernel_thread+0xfe/0x170
[ 64.475082][ T2] ? ptrace_event_pid+0x180/0x180
[ 64.481281][ T2] ? kthread_blkcg+0xd0/0xd0
[ 64.486832][ T2] ? _raw_spin_trylock_bh+0x150/0x150
[ 64.492371][ T2] ? __kasan_check_read+0x11/0x20
[ 64.497729][ T2] kthreadd+0x346/0x480
[ 64.502125][ T2] ? tokenize_frame_descr+0x93/0xc0
[ 64.507343][ T2] ? kthread_stop+0x3e0/0x3e0
[ 64.512130][ T2] ? _raw_spin_unlock_irq+0x4e/0x70
[ 64.517346][ T2] ? calculate_sigpending+0x7c/0x90
[ 64.522561][ T2] ? kthread_stop+0x3e0/0x3e0
[ 64.527268][ T2] ret_from_fork+0x1f/0x30
[ 64.531796][ T2]
[ 64.534829][ T90] CPU: 0 PID: 90 Comm: klogd Not tainted syzkaller #0
[ 64.542870][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 64.553603][ T90] Call Trace:
[ 64.557078][ T90]
[ 64.560421][ T90] __dump_stack+0x21/0x30
[ 64.565001][ T90] dump_stack_lvl+0x110/0x170
[ 64.569711][ T90] ? show_regs_print_info+0x20/0x20
[ 64.575226][ T90] ? prandom_u32+0x24d/0x290
[ 64.580185][ T90] dump_stack+0x15/0x20
[ 64.584367][ T90] should_fail+0x3ab/0x500
[ 64.588819][ T90] __should_failslab+0xa4/0xe0
[ 64.593711][ T90] should_failslab+0x9/0x20
[ 64.598356][ T90] slab_pre_alloc_hook+0x39/0xd0
[ 64.603334][ T90] ? sock_alloc_inode+0x1b/0xb0
[ 64.608346][ T90] kmem_cache_alloc+0x44/0x260
[ 64.613156][ T90] ? blkcg_maybe_throttle_current+0x1e0/0xa00
[ 64.619460][ T90] ? sockfs_init_fs_context+0xb0/0xb0
[ 64.624873][ T90] sock_alloc_inode+0x1b/0xb0
[ 64.629668][ T90] ? sockfs_init_fs_context+0xb0/0xb0
[ 64.635070][ T90] new_inode_pseudo+0x62/0x210
[ 64.639969][ T90] __sock_create+0x12c/0x7a0
[ 64.645058][ T90] ? ____fput+0x15/0x20
[ 64.649633][ T90] __sys_socket+0xec/0x190
[ 64.654658][ T90] __x64_sys_socket+0x7a/0x90
[ 64.659982][ T90] x64_sys_call+0x8c5/0x9a0
[ 64.665398][ T90] do_syscall_64+0x4c/0xa0
[ 64.670436][ T90] ? clear_bhb_loop+0x50/0xa0
[ 64.675270][ T90] ? clear_bhb_loop+0x50/0xa0
[ 64.680514][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 64.686533][ T90] RIP: 0033:0x7f707502b707
[ 64.691071][ T90] 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
[ 64.713422][ T90] RSP: 002b:00007fffd0776398 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
[ 64.722404][ T90] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f707502b707
[ 64.730686][ T90] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001
[ 64.739324][ T90] RBP: 00007f70750b7560 R08: 0000000000000073 R09: 0000000000000001
[ 64.747587][ T90] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[ 64.755692][ T90] R13: 00007fffd07764c0 R14: 000000000000002f R15: 00007fffd07764c0
[ 64.765351][ T90]
[ 64.768692][ T39] CPU: 1 PID: 39 Comm: kworker/1:1 Not tainted syzkaller #0
[ 64.771232][ T1] FAULT_INJECTION: forcing a failure.
[ 64.771232][ T1] name failslab, interval 1, probability 10, space 0, times 32
[ 64.776272][ T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 64.799444][ T39] Workqueue: ipv6_addrconf addrconf_dad_work
[ 64.805743][ T39] Call Trace:
[ 64.809151][ T39]
[ 64.812295][ T39] __dump_stack+0x21/0x30
[ 64.816676][ T39] dump_stack_lvl+0x110/0x170
[ 64.821878][ T39] ? show_regs_print_info+0x20/0x20
[ 64.828466][ T39] ? prandom_u32+0x24d/0x290
[ 64.833530][ T39] dump_stack+0x15/0x20
[ 64.837754][ T39] should_fail+0x3ab/0x500
[ 64.842196][ T39] __should_failslab+0xa4/0xe0
[ 64.847120][ T39] should_failslab+0x9/0x20
[ 64.851665][ T39] slab_pre_alloc_hook+0x39/0xd0
[ 64.856905][ T39] kmem_cache_alloc_trace+0x48/0x270
[ 64.862331][ T39] ? dst_cow_metrics_generic+0x55/0x1c0
[ 64.868021][ T39] dst_cow_metrics_generic+0x55/0x1c0
[ 64.873603][ T39] icmp6_dst_alloc+0x35f/0x520
[ 64.878396][ T39] ndisc_send_skb+0x2a9/0xcf0
[ 64.883431][ T39] ? ndisc_alloc_skb+0x290/0x290
[ 64.888417][ T39] ? skb_put+0x10a/0x1f0
[ 64.892700][ T39] ndisc_send_ns+0x879/0xb10
[ 64.897519][ T39] ? ndisc_send_skb+0xcf0/0xcf0
[ 64.902429][ T39] ? mod_delayed_work_on+0xa8/0xe0
[ 64.907582][ T39] addrconf_dad_work+0x9fa/0x1510
[ 64.913270][ T39] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 64.918996][ T39] ? __kasan_check_write+0x14/0x20
[ 64.924569][ T39] ? _raw_spin_lock_irq+0x95/0xf0
[ 64.929891][ T39] ? _raw_spin_lock_irqsave+0x130/0x130
[ 64.935858][ T39] process_one_work+0x6c8/0xbb0
[ 64.940936][ T39] worker_thread+0xaa0/0x1250
[ 64.945982][ T39] ? __kasan_check_read+0x11/0x20
[ 64.949737][ T10] FAULT_INJECTION: forcing a failure.
[ 64.949737][ T10] name failslab, interval 1, probability 10, space 0, times 31
[ 64.951040][ T39] kthread+0x3f5/0x4f0
[ 64.968291][ T39] ? worker_clr_flags+0x190/0x190
[ 64.973683][ T39] ? kthread_blkcg+0xd0/0xd0
[ 64.978605][ T39] ret_from_fork+0x1f/0x30
[ 64.983498][ T39]
[ 64.986772][ T10] CPU: 0 PID: 10 Comm: kworker/u4:1 Not tainted syzkaller #0
[ 64.987452][ T39] FAULT_INJECTION: forcing a failure.
[ 64.987452][ T39] name failslab, interval 1, probability 10, space 0, times 30
[ 64.994432][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 64.994450][ T10] Workqueue: writeback wb_workfn (flush-8:0)
[ 65.023843][ T10] Call Trace:
[ 65.027193][ T10]
[ 65.030159][ T10] __dump_stack+0x21/0x30
[ 65.034784][ T10] dump_stack_lvl+0x110/0x170
[ 65.039495][ T10] ? show_regs_print_info+0x20/0x20
[ 65.044928][ T10] ? prandom_u32+0x24d/0x290
[ 65.049703][ T10] dump_stack+0x15/0x20
[ 65.053905][ T10] should_fail+0x3ab/0x500
[ 65.058353][ T10] __should_failslab+0xa4/0xe0
[ 65.063247][ T10] should_failslab+0x9/0x20
[ 65.067792][ T10] slab_pre_alloc_hook+0x39/0xd0
[ 65.072765][ T10] ? mempool_alloc_slab+0x1d/0x30
[ 65.078146][ T10] kmem_cache_alloc+0x44/0x260
[ 65.083022][ T10] ? mempool_free+0x330/0x330
[ 65.087815][ T10] mempool_alloc_slab+0x1d/0x30
[ 65.092694][ T10] mempool_alloc+0x167/0x4c0
[ 65.097310][ T10] ? blk_mq_delay_run_hw_queue+0x30/0x30
[ 65.103370][ T10] ? mempool_resize+0x880/0x880
[ 65.108265][ T10] ? blk_mq_sched_insert_requests+0x216/0x340
[ 65.114359][ T10] bio_alloc_bioset+0x124/0x910
[ 65.119231][ T10] bio_split+0xb4/0x310
[ 65.123554][ T10] __blk_queue_split+0xf6f/0x15c0
[ 65.129459][ T10] ? blk_end_sync_rq+0x50/0x50
[ 65.134459][ T10] ? preempt_count_add+0x90/0x1b0
[ 65.139530][ T10] blk_mq_submit_bio+0x1cc/0x1900
[ 65.144630][ T10] ? ktime_get+0x12f/0x160
[ 65.150065][ T10] ? submit_bio_checks+0xb77/0x11e0
[ 65.155454][ T10] ? blk_mq_try_issue_list_directly+0x490/0x490
[ 65.162019][ T10] ? __submit_bio+0x900/0x900
[ 65.166967][ T10] ? blk_try_enter_queue+0x165/0x350
[ 65.172406][ T10] __submit_bio+0x817/0x900
[ 65.177064][ T10] ? trace_raw_output_block_rq_remap+0x260/0x260
[ 65.183878][ T10] ? release_pages+0x1264/0x12c0
[ 65.188854][ T10] submit_bio_noacct+0x73b/0x800
[ 65.193832][ T10] ? blk_put_request+0x20/0x20
[ 65.198719][ T10] ? __pagevec_release+0x71/0xe0
[ 65.203685][ T10] ? blkcg_set_ioprio+0x1f6/0x320
[ 65.208742][ T10] submit_bio+0x367/0x620
[ 65.213104][ T10] ? submit_bio_noacct+0x800/0x800
[ 65.218259][ T10] ext4_io_submit+0x15d/0x210
[ 65.222968][ T10] ext4_writepages+0xf83/0x30a0
[ 65.227857][ T10] ? _raw_spin_unlock+0x4d/0x70
[ 65.233019][ T10] ? ext4_readpage+0x220/0x220
[ 65.237820][ T10] ? __kasan_check_write+0x14/0x20
[ 65.242978][ T10] ? __local_bh_enable_ip+0x58/0x80
[ 65.248319][ T10] ? ext4_readpage+0x220/0x220
[ 65.253253][ T10] do_writepages+0x476/0x6d0
[ 65.257886][ T10] ? dev_queue_xmit+0x20/0x20
[ 65.262691][ T10] ? __writepage+0x130/0x130
[ 65.267724][ T10] ? __kasan_check_write+0x14/0x20
[ 65.273146][ T10] ? _raw_spin_lock+0x94/0xf0
[ 65.278165][ T10] __writeback_single_inode+0xd9/0x9e0
[ 65.284023][ T10] ? wbc_attach_and_unlock_inode+0x194/0x5f0
[ 65.290296][ T10] writeback_sb_inodes+0x9f3/0x1610
[ 65.295532][ T10] ? __kasan_check_write+0x14/0x20
[ 65.300967][ T10] ? __switch_to+0x56c/0x1070
[ 65.306984][ T10] ? queue_io+0x4b0/0x4b0
[ 65.311360][ T10] ? down_read_trylock+0x317/0x630
[ 65.316783][ T10] __writeback_inodes_wb+0x127/0x400
[ 65.322095][ T10] wb_writeback+0x3ff/0x990
[ 65.326718][ T10] ? inode_cgwb_move_to_attached+0x3b0/0x3b0
[ 65.332815][ T10] ? set_worker_desc+0x1ba/0x1f0
[ 65.337887][ T10] ? __kasan_check_write+0x14/0x20
[ 65.343227][ T10] ? __kasan_check_write+0x14/0x20
[ 65.348396][ T10] ? cpumask_next+0x7c/0xa0
[ 65.353052][ T10] wb_workfn+0xa49/0xf30
[ 65.357596][ T10] ? inode_wait_for_writeback+0x220/0x220
[ 65.363503][ T10] ? add_timer+0x68/0x80
[ 65.367965][ T10] ? __queue_delayed_work+0x173/0x200
[ 65.373865][ T10] ? __kasan_check_write+0x14/0x20
[ 65.379035][ T10] ? _raw_spin_lock_irq+0x95/0xf0
[ 65.384510][ T10] ? _raw_spin_lock_irqsave+0x130/0x130
[ 65.390350][ T10] process_one_work+0x6c8/0xbb0
[ 65.396263][ T10] worker_thread+0xaa0/0x1250
[ 65.402750][ T10] kthread+0x3f5/0x4f0
[ 65.407391][ T10] ? worker_clr_flags+0x190/0x190
[ 65.413797][ T10] ? kthread_blkcg+0xd0/0xd0
[ 65.418893][ T10] ret_from_fork+0x1f/0x30
[ 65.423690][ T10]
[ 65.428047][ T39] CPU: 1 PID: 39 Comm: kworker/1:1 Not tainted syzkaller #0
[ 65.435956][ T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 65.446239][ T39] Workqueue: ipv6_addrconf addrconf_dad_work
[ 65.452685][ T39] Call Trace:
[ 65.456166][ T39]
[ 65.459254][ T39] __dump_stack+0x21/0x30
[ 65.463731][ T39] dump_stack_lvl+0x110/0x170
[ 65.468714][ T39] ? show_regs_print_info+0x20/0x20
[ 65.473949][ T39] ? prandom_u32+0x24d/0x290
[ 65.478865][ T39] dump_stack+0x15/0x20
[ 65.483498][ T39] should_fail+0x3ab/0x500
[ 65.488225][ T39] __should_failslab+0xa4/0xe0
[ 65.493680][ T39] should_failslab+0x9/0x20
[ 65.498324][ T39] slab_pre_alloc_hook+0x39/0xd0
[ 65.504052][ T39] __kmalloc+0x6d/0x2c0
[ 65.508346][ T39] ? ___neigh_create+0x6fb/0x1c50
[ 65.513608][ T39] ___neigh_create+0x6fb/0x1c50
[ 65.518995][ T39] __neigh_create+0x31/0x40
[ 65.523944][ T39] ip6_finish_output2+0xae3/0x1790
[ 65.529185][ T39] ? __ip6_finish_output+0x7e0/0x7e0
[ 65.535018][ T39] ? ip6t_do_table+0x1355/0x1510
[ 65.540077][ T39] __ip6_finish_output+0x621/0x7e0
[ 65.545554][ T39] ip6_finish_output+0x31/0x220
[ 65.550767][ T39] ? ip6_output+0x3ea/0x410
[ 65.555972][ T39] ip6_output+0x1fa/0x410
[ 65.561577][ T39] ? ac6_seq_show+0xf0/0xf0
[ 65.566844][ T39] ? ip6_output+0x410/0x410
[ 65.572278][ T39] ndisc_send_skb+0x7f6/0xcf0
[ 65.577197][ T39] ? ndisc_alloc_skb+0x290/0x290
[ 65.582434][ T39] ? ndisc_error_report+0xc0/0xc0
[ 65.589186][ T39] ? skb_put+0x10a/0x1f0
[ 65.593571][ T39] ndisc_send_ns+0x879/0xb10
[ 65.598298][ T39] ? ndisc_send_skb+0xcf0/0xcf0
[ 65.603274][ T39] ? mod_delayed_work_on+0xa8/0xe0
[ 65.608431][ T39] addrconf_dad_work+0x9fa/0x1510
[ 65.613495][ T39] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 65.619097][ T39] ? __kasan_check_write+0x14/0x20
[ 65.624229][ T39] ? _raw_spin_lock_irq+0x95/0xf0
[ 65.629572][ T39] ? _raw_spin_lock_irqsave+0x130/0x130
[ 65.636233][ T39] process_one_work+0x6c8/0xbb0
[ 65.642013][ T39] worker_thread+0xaa0/0x1250
[ 65.647318][ T39] ? __kasan_check_read+0x11/0x20
[ 65.653239][ T39] kthread+0x3f5/0x4f0
[ 65.657635][ T39] ? worker_clr_flags+0x190/0x190
[ 65.663261][ T39] ? kthread_blkcg+0xd0/0xd0
[ 65.668268][ T39] ret_from_fork+0x1f/0x30
[ 65.673080][ T39]
[ 65.676161][ T1] CPU: 0 PID: 1 Comm: init Not tainted syzkaller #0
[ 65.683683][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 65.695107][ T1] Call Trace:
[ 65.698424][ T1]
[ 65.701583][ T1] __dump_stack+0x21/0x30
[ 65.706206][ T1] dump_stack_lvl+0x110/0x170
[ 65.711221][ T1] ? show_regs_print_info+0x20/0x20
[ 65.716452][ T1] dump_stack+0x15/0x20
[ 65.720757][ T1] should_fail+0x3ab/0x500
[ 65.725595][ T1] __should_failslab+0xa4/0xe0
[ 65.730887][ T1] should_failslab+0x9/0x20
[ 65.735438][ T1] slab_pre_alloc_hook+0x39/0xd0
[ 65.740841][ T1] ? getname_flags+0xba/0x510
[ 65.745558][ T1] kmem_cache_alloc+0x44/0x260
[ 65.750646][ T1] getname_flags+0xba/0x510
[ 65.755634][ T1] getname+0x19/0x20
[ 65.759563][ T1] do_sys_openat2+0xeb/0x7f0
[ 65.764787][ T1] ? kmem_cache_alloc+0x44/0x260
[ 65.772135][ T1] ? prepare_creds+0x1e3/0x610
[ 65.777957][ T1] ? do_sys_open+0xe0/0xe0
[ 65.782511][ T1] ? do_faccessat+0x2b1/0x9b0
[ 65.788395][ T1] __x64_sys_openat+0x136/0x160
[ 65.794045][ T1] x64_sys_call+0x219/0x9a0
[ 65.798596][ T1] do_syscall_64+0x4c/0xa0
[ 65.803390][ T1] ? clear_bhb_loop+0x50/0xa0
[ 65.808194][ T1] ? clear_bhb_loop+0x50/0xa0
[ 65.813003][ T1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 65.819343][ T1] RIP: 0033:0x7f6bef79ac3a
[ 65.823795][ T1] Code: 41 89 f2 48 89 54 24 e0 41 83 e2 40 75 2a 89 f0 f7 d0 a9 00 00 41 00 74 1f 89 f2 b8 01 01 00 00 48 89 fe bf 9c ff ff ff 0f 05 <48> 3d 00 f0 ff ff 77 2e c3 0f 1f 44 00 00 48 8d 44 24 08 c7 44 24
[ 65.844623][ T1] RSP: 002b:00007fffc807df08 EFLAGS: 00000206 ORIG_RAX: 0000000000000101
[ 65.853424][ T1] RAX: ffffffffffffffda RBX: 00007f6bef83f200 RCX: 00007f6bef79ac3a
[ 65.861602][ T1] RDX: 0000000000080000 RSI: 00007f6bef83f200 RDI: 00000000ffffff9c
[ 65.869846][ T1] RBP: 00007f6bef83a0a8 R08: 0000000000000000 R09: 0000000000000000
[ 65.878356][ T1] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 65.886660][ T1] R13: 0000000000000000 R14: 00000000000001d8 R15: 0000558a97dcad98
[ 65.895010][ T1]
[ 65.898423][ T60] FAULT_INJECTION: forcing a failure.
[ 65.898423][ T60] name failslab, interval 1, probability 10, space 0, times 29
[ 65.910093][ T90] socket: no more sockets
[ 65.912266][ T10] FAULT_INJECTION: forcing a failure.
[ 65.912266][ T10] name failslab, interval 1, probability 10, space 0, times 27
[ 65.917044][ T90] FAULT_INJECTION: forcing a failure.
[ 65.917044][ T90] name failslab, interval 1, probability 10, space 0, times 27
[ 65.932454][ T10] CPU: 0 PID: 10 Comm: kworker/u4:1 Not tainted syzkaller #0
[ 65.953751][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 65.967369][ T10] Workqueue: writeback wb_workfn (flush-8:0)
[ 65.974215][ T10] Call Trace:
[ 65.977730][ T10]
[ 65.980734][ T10] __dump_stack+0x21/0x30
[ 65.985208][ T10] dump_stack_lvl+0x110/0x170
[ 65.990011][ T10] ? show_regs_print_info+0x20/0x20
[ 65.995357][ T10] ? prandom_u32+0x24d/0x290
[ 65.999984][ T10] dump_stack+0x15/0x20
[ 66.004278][ T10] should_fail+0x3ab/0x500
[ 66.008997][ T10] __should_failslab+0xa4/0xe0
[ 66.014236][ T10] should_failslab+0x9/0x20
[ 66.018778][ T10] slab_pre_alloc_hook+0x39/0xd0
[ 66.024304][ T10] ? mempool_alloc_slab+0x1d/0x30
[ 66.029624][ T10] kmem_cache_alloc+0x44/0x260
[ 66.034439][ T10] ? mempool_free+0x330/0x330
[ 66.039344][ T10] mempool_alloc_slab+0x1d/0x30
[ 66.044494][ T10] mempool_alloc+0x167/0x4c0
[ 66.049476][ T10] ? mempool_resize+0x880/0x880
[ 66.054550][ T10] ? prb_read_valid+0x60/0x60
[ 66.059263][ T10] sg_pool_alloc+0xb0/0xe0
[ 66.063883][ T10] __sg_alloc_table+0x1c1/0x6d0
[ 66.069014][ T10] sg_alloc_table_chained+0x8b/0x1e0
[ 66.074322][ T10] ? sg_alloc_table_chained+0x1e0/0x1e0
[ 66.079897][ T10] scsi_alloc_sgtables+0x292/0x8a0
[ 66.085403][ T10] ? scsi_io_completion_action+0xce0/0xce0
[ 66.091923][ T10] sd_init_command+0x60e/0x2610
[ 66.096910][ T10] scsi_queue_rq+0x176e/0x31c0
[ 66.101712][ T10] blk_mq_dispatch_rq_list+0xa06/0x1c50
[ 66.107608][ T10] ? blk_mq_get_driver_tag+0x920/0x920
[ 66.109816][ T1] FAULT_INJECTION: forcing a failure.
[ 66.109816][ T1] name failslab, interval 1, probability 10, space 0, times 26
[ 66.113221][ T10] blk_mq_do_dispatch_sched+0xadf/0xc90
[ 66.132738][ T10] ? blk_mq_exit_sched+0x590/0x590
[ 66.137917][ T10] ? dump_stack_lvl+0x144/0x170
[ 66.143628][ T10] ? show_regs_print_info+0x20/0x20
[ 66.149842][ T10] ? prandom_u32+0x24d/0x290
[ 66.155389][ T10] __blk_mq_sched_dispatch_requests+0x32c/0x410
[ 66.162400][ T10] ? __kasan_check_write+0x14/0x20
[ 66.167747][ T10] ? blk_mq_sched_dispatch_requests+0x1c0/0x1c0
[ 66.175416][ T10] blk_mq_sched_dispatch_requests+0x102/0x1c0
[ 66.183730][ T10] __blk_mq_run_hw_queue+0xf3/0x170
[ 66.189463][ T10] __blk_mq_delay_run_hw_queue+0x17e/0x420
[ 66.195637][ T10] ? blk_mq_delay_run_hw_queue+0x30/0x30
[ 66.201527][ T10] ? sbitmap_any_bit_set+0x119/0x160
[ 66.207683][ T10] blk_mq_run_hw_queue+0x282/0x3a0
[ 66.213516][ T10] blk_mq_sched_insert_requests+0x1cd/0x340
[ 66.220509][ T10] blk_mq_flush_plug_list+0x4e2/0x6b0
[ 66.228318][ T10] ? blk_mq_insert_requests+0x340/0x340
[ 66.234349][ T10] ? dd_prepare_request+0xd/0x40
[ 66.239807][ T10] blk_flush_plug_list+0x404/0x450
[ 66.246508][ T10] ? blk_check_plugged+0x270/0x270
[ 66.253737][ T10] ? blk_account_io_start+0x2b8/0x2f0
[ 66.260882][ T10] blk_mq_submit_bio+0xb23/0x1900
[ 66.272572][ T10] ? ktime_get+0x12f/0x160
[ 66.278621][ T10] ? blk_mq_try_issue_list_directly+0x490/0x490
[ 66.291286][ T10] ? __submit_bio+0x900/0x900
[ 66.296881][ T10] ? blk_try_enter_queue+0x165/0x350
[ 66.304473][ T10] __submit_bio+0x817/0x900
[ 66.311264][ T10] ? trace_raw_output_block_rq_remap+0x260/0x260
[ 66.318883][ T10] ? release_pages+0x1264/0x12c0
[ 66.324900][ T10] submit_bio_noacct+0x73b/0x800
[ 66.331920][ T10] ? blk_put_request+0x20/0x20
[ 66.337816][ T10] ? __pagevec_release+0x71/0xe0
[ 66.344205][ T10] ? blkcg_set_ioprio+0x1f6/0x320
[ 66.350642][ T10] submit_bio+0x367/0x620
[ 66.355412][ T10] ? submit_bio_noacct+0x800/0x800
[ 66.361092][ T10] ext4_io_submit+0x15d/0x210
[ 66.367275][ T10] ext4_writepages+0xf83/0x30a0
[ 66.373121][ T10] ? _raw_spin_unlock+0x4d/0x70
[ 66.378668][ T10] ? ext4_readpage+0x220/0x220
[ 66.385837][ T10] ? __kasan_check_write+0x14/0x20
[ 66.392594][ T10] ? __local_bh_enable_ip+0x58/0x80
[ 66.398116][ T10] ? ext4_readpage+0x220/0x220
[ 66.405059][ T10] do_writepages+0x476/0x6d0
[ 66.409983][ T10] ? dev_queue_xmit+0x20/0x20
[ 66.416050][ T10] ? __writepage+0x130/0x130
[ 66.421839][ T10] ? __kasan_check_write+0x14/0x20
[ 66.427970][ T10] ? _raw_spin_lock+0x94/0xf0
[ 66.433664][ T10] __writeback_single_inode+0xd9/0x9e0
[ 66.439779][ T10] ? wbc_attach_and_unlock_inode+0x194/0x5f0
[ 66.447455][ T10] writeback_sb_inodes+0x9f3/0x1610
[ 66.453143][ T10] ? __kasan_check_write+0x14/0x20
[ 66.458779][ T10] ? __switch_to+0x56c/0x1070
[ 66.463767][ T10] ? queue_io+0x4b0/0x4b0
[ 66.470579][ T10] ? down_read_trylock+0x317/0x630
[ 66.478513][ T10] __writeback_inodes_wb+0x127/0x400
[ 66.484461][ T10] wb_writeback+0x3ff/0x990
[ 66.490067][ T10] ? inode_cgwb_move_to_attached+0x3b0/0x3b0
[ 66.497854][ T10] ? set_worker_desc+0x1ba/0x1f0
[ 66.503448][ T10] ? __kasan_check_write+0x14/0x20
[ 66.509513][ T10] ? __kasan_check_write+0x14/0x20
[ 66.515455][ T10] ? cpumask_next+0x7c/0xa0
[ 66.521678][ T10] wb_workfn+0xa49/0xf30
[ 66.527068][ T10] ? inode_wait_for_writeback+0x220/0x220
[ 66.534506][ T10] ? add_timer+0x68/0x80
[ 66.541263][ T10] ? __queue_delayed_work+0x173/0x200
[ 66.547116][ T10] ? __kasan_check_write+0x14/0x20
[ 66.553969][ T10] ? _raw_spin_lock_irq+0x95/0xf0
[ 66.559426][ T10] ? _raw_spin_lock_irqsave+0x130/0x130
[ 66.565130][ T10] process_one_work+0x6c8/0xbb0
[ 66.571156][ T10] worker_thread+0xaa0/0x1250
[ 66.576604][ T10] kthread+0x3f5/0x4f0
[ 66.581581][ T10] ? worker_clr_flags+0x190/0x190
[ 66.587516][ T10] ? kthread_blkcg+0xd0/0xd0
[ 66.592522][ T10] ret_from_fork+0x1f/0x30
[ 66.597128][ T10]
[ 66.600526][ T1] CPU: 1 PID: 1 Comm: init Not tainted syzkaller #0
[ 66.608468][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 66.619091][ T1] Call Trace:
[ 66.622560][ T1]
[ 66.625644][ T1] __dump_stack+0x21/0x30
[ 66.630034][ T1] dump_stack_lvl+0x110/0x170
[ 66.634739][ T1] ? show_regs_print_info+0x20/0x20
[ 66.640155][ T1] ? prandom_u32+0x24d/0x290
[ 66.644993][ T1] dump_stack+0x15/0x20
[ 66.649553][ T1] should_fail+0x3ab/0x500
[ 66.654118][ T1] __should_failslab+0xa4/0xe0
[ 66.659401][ T1] should_failslab+0x9/0x20
[ 66.664037][ T1] slab_pre_alloc_hook+0x39/0xd0
[ 66.669415][ T1] ? security_file_alloc+0x33/0x120
[ 66.674742][ T1] kmem_cache_alloc+0x44/0x260
[ 66.679788][ T1] security_file_alloc+0x33/0x120
[ 66.685114][ T1] __alloc_file+0xb5/0x2a0
[ 66.689671][ T1] alloc_empty_file+0x97/0x180
[ 66.694993][ T1] path_openat+0xf4/0x2f80
[ 66.699738][ T1] ? __stack_depot_save+0x34/0x480
[ 66.705920][ T1] ? __kasan_slab_alloc+0xc9/0xe0
[ 66.711830][ T1] ? __kasan_slab_alloc+0xb7/0xe0
[ 66.716974][ T1] ? slab_post_alloc_hook+0x4f/0x2b0
[ 66.722369][ T1] ? kmem_cache_alloc+0xf7/0x260
[ 66.727497][ T1] ? getname_flags+0xba/0x510
[ 66.732464][ T1] ? getname+0x19/0x20
[ 66.736886][ T1] ? do_sys_openat2+0xeb/0x7f0
[ 66.742257][ T1] ? __x64_sys_openat+0x136/0x160
[ 66.747520][ T1] ? x64_sys_call+0x219/0x9a0
[ 66.752969][ T1] ? do_syscall_64+0x4c/0xa0
[ 66.758135][ T1] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 66.764509][ T1] ? do_filp_open+0x400/0x400
[ 66.770250][ T1] do_filp_open+0x1df/0x400
[ 66.776268][ T1] ? vfs_tmpfile+0x2d0/0x2d0
[ 66.781019][ T1] do_sys_openat2+0x15e/0x7f0
[ 66.786402][ T1] ? __put_cred+0xde/0x150
[ 66.791135][ T1] ? do_sys_open+0xe0/0xe0
[ 66.795604][ T1] ? do_faccessat+0x6f4/0x9b0
[ 66.800400][ T1] ? stream_open+0x60/0x60
[ 66.804854][ T1] __x64_sys_openat+0x136/0x160
[ 66.809768][ T1] x64_sys_call+0x219/0x9a0
[ 66.814835][ T1] do_syscall_64+0x4c/0xa0
[ 66.819396][ T1] ? clear_bhb_loop+0x50/0xa0
[ 66.824198][ T1] ? clear_bhb_loop+0x50/0xa0
[ 66.829309][ T1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 66.835525][ T1] RIP: 0033:0x7f6bef79ac3a
[ 66.840422][ T1] Code: 41 89 f2 48 89 54 24 e0 41 83 e2 40 75 2a 89 f0 f7 d0 a9 00 00 41 00 74 1f 89 f2 b8 01 01 00 00 48 89 fe bf 9c ff ff ff 0f 05 <48> 3d 00 f0 ff ff 77 2e c3 0f 1f 44 00 00 48 8d 44 24 08 c7 44 24
[ 66.861199][ T1] RSP: 002b:00007fffc807de88 EFLAGS: 00000206 ORIG_RAX: 0000000000000101
[ 66.869651][ T1] RAX: ffffffffffffffda RBX: 00007f6bef83f200 RCX: 00007f6bef79ac3a
[ 66.877834][ T1] RDX: 0000000000080000 RSI: 00007f6bef83f200 RDI: 00000000ffffff9c
[ 66.885942][ T1] RBP: 00007f6bef83a0a8 R08: 0000000000000000 R09: 0000000000000000
[ 66.893952][ T1] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 66.902778][ T1] R13: ffffffffffffff88 R14: 000000000000000c R15: 0000558a97dcad98
[ 66.911517][ T1]
[ 66.914747][ T90] CPU: 0 PID: 90 Comm: klogd Not tainted syzkaller #0
[ 66.921567][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 66.933278][ T90] Call Trace:
[ 66.936708][ T90]
[ 66.939885][ T90] __dump_stack+0x21/0x30
[ 66.944452][ T90] dump_stack_lvl+0x110/0x170
[ 66.949162][ T90] ? show_regs_print_info+0x20/0x20
[ 66.954921][ T90] ? prandom_u32+0x24d/0x290
[ 66.959856][ T90] dump_stack+0x15/0x20
[ 66.964047][ T90] should_fail+0x3ab/0x500
[ 66.968778][ T90] __should_failslab+0xa4/0xe0
[ 66.973886][ T90] should_failslab+0x9/0x20
[ 66.979962][ T90] slab_pre_alloc_hook+0x39/0xd0
[ 66.985129][ T90] ? __alloc_file+0x28/0x2a0
[ 66.990018][ T90] kmem_cache_alloc+0x44/0x260
[ 66.994839][ T90] __alloc_file+0x28/0x2a0
[ 66.999286][ T90] alloc_empty_file+0x97/0x180
[ 67.004173][ T90] alloc_file+0x59/0x580
[ 67.008663][ T90] alloc_file_pseudo+0x180/0x200
[ 67.013835][ T90] ? alloc_empty_file_noaccount+0x80/0x80
[ 67.019604][ T90] sock_alloc_file+0xba/0x260
[ 67.024496][ T90] __sys_socket+0x12b/0x190
[ 67.029200][ T90] __x64_sys_socket+0x7a/0x90
[ 67.034238][ T90] x64_sys_call+0x8c5/0x9a0
[ 67.038777][ T90] do_syscall_64+0x4c/0xa0
[ 67.043347][ T90] ? clear_bhb_loop+0x50/0xa0
[ 67.048409][ T90] ? clear_bhb_loop+0x50/0xa0
[ 67.053112][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 67.059268][ T90] RIP: 0033:0x7f707502b707
[ 67.064219][ T90] 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
[ 67.085459][ T90] RSP: 002b:00007fffd0776398 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
[ 67.094195][ T90] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f707502b707
[ 67.102698][ T90] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001
[ 67.110963][ T90] RBP: 00007f70750b7560 R08: 0000000000000073 R09: 0000000000000001
[ 67.119616][ T90] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[ 67.127625][ T90] R13: 00007fffd07764c0 R14: 0000000000000033 R15: 00007fffd07764c0
[ 67.136329][ T90]
[ 67.139517][ T60] CPU: 0 PID: 60 Comm: kworker/0:2 Not tainted syzkaller #0
[ 67.147762][ T60] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 67.159007][ T60] Workqueue: ipv6_addrconf addrconf_dad_work
[ 67.165414][ T60] Call Trace:
[ 67.169212][ T60]
[ 67.172668][ T60] __dump_stack+0x21/0x30
[ 67.177263][ T60] dump_stack_lvl+0x110/0x170
[ 67.182249][ T60] ? show_regs_print_info+0x20/0x20
[ 67.187634][ T60] ? prandom_u32+0x24d/0x290
[ 67.192517][ T60] dump_stack+0x15/0x20
[ 67.196699][ T60] should_fail+0x3ab/0x500
[ 67.201232][ T60] __should_failslab+0xa4/0xe0
[ 67.206174][ T60] should_failslab+0x9/0x20
[ 67.211097][ T60] slab_pre_alloc_hook+0x39/0xd0
[ 67.216327][ T60] kmem_cache_alloc_trace+0x48/0x270
[ 67.221634][ T60] ? dst_cow_metrics_generic+0x55/0x1c0
[ 67.227283][ T60] dst_cow_metrics_generic+0x55/0x1c0
[ 67.232924][ T60] icmp6_dst_alloc+0x35f/0x520
[ 67.237721][ T60] ndisc_send_skb+0x2a9/0xcf0
[ 67.242533][ T60] ? ndisc_alloc_skb+0x290/0x290
[ 67.248486][ T60] ? skb_put+0x10a/0x1f0
[ 67.252783][ T60] ndisc_send_ns+0x879/0xb10
[ 67.257423][ T60] ? ndisc_send_skb+0xcf0/0xcf0
[ 67.262440][ T60] ? mod_delayed_work_on+0xa8/0xe0
[ 67.267836][ T60] addrconf_dad_work+0x9fa/0x1510
[ 67.273020][ T60] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 67.278510][ T60] ? __kasan_check_write+0x14/0x20
[ 67.284098][ T60] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 67.290730][ T60] process_one_work+0x6c8/0xbb0
[ 67.295882][ T60] worker_thread+0xaa0/0x1250
[ 67.301163][ T60] ? __kasan_check_read+0x11/0x20
[ 67.306373][ T60] kthread+0x3f5/0x4f0
[ 67.310829][ T60] ? worker_clr_flags+0x190/0x190
[ 67.316680][ T60] ? kthread_blkcg+0xd0/0xd0
[ 67.321596][ T60] ret_from_fork+0x1f/0x30
[ 67.326579][ T60]
[ 67.329723][ C0] FAULT_INJECTION: forcing a failure.
[ 67.329723][ C0] name failslab, interval 1, probability 10, space 0, times 24
[ 67.330473][ T10] FAULT_INJECTION: forcing a failure.
[ 67.330473][ T10] name failslab, interval 1, probability 10, space 0, times 24
[ 67.343418][ C0] CPU: 0 PID: 60 Comm: kworker/0:2 Not tainted syzkaller #0
[ 67.343445][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 67.343458][ C0] Workqueue: ipv6_addrconf addrconf_dad_work
[ 67.343484][ C0] Call Trace:
[ 67.343490][ C0]
[ 67.343499][ C0] __dump_stack+0x21/0x30
[ 67.343520][ C0] dump_stack_lvl+0x110/0x170
[ 67.343539][ C0] ? show_regs_print_info+0x20/0x20
[ 67.343560][ C0] dump_stack+0x15/0x20
[ 67.407233][ C0] should_fail+0x3ab/0x500
[ 67.412029][ C0] __should_failslab+0xa4/0xe0
[ 67.417220][ C0] should_failslab+0x9/0x20
[ 67.421767][ C0] slab_pre_alloc_hook+0x39/0xd0
[ 67.426858][ C0] ? __alloc_skb+0xe4/0x730
[ 67.431470][ C0] kmem_cache_alloc+0x44/0x260
[ 67.436432][ C0] __alloc_skb+0xe4/0x730
[ 67.441098][ C0] arp_create+0xe8/0x7f0
[ 67.445404][ C0] arp_send_dst+0x8c/0x280
[ 67.450284][ C0] arp_process+0x153f/0x1bc0
[ 67.454964][ C0] ? arp_error_report+0xc0/0xc0
[ 67.460184][ C0] ? packet_sock_destruct+0x160/0x160
[ 67.465703][ C0] ? __netif_receive_skb_core+0x2962/0x2fb0
[ 67.471745][ C0] ? arp_error_report+0xc0/0xc0
[ 67.476755][ C0] NF_HOOK+0x169/0x1c0
[ 67.481650][ C0] ? arp_error_report+0xc0/0xc0
[ 67.487006][ C0] ? arp_xmit+0x1f0/0x1f0
[ 67.492492][ C0] ? set_rps_cpu+0x5d0/0x5d0
[ 67.497199][ C0] arp_rcv+0x2ef/0x480
[ 67.501299][ C0] ? arp_is_garp+0x160/0x160
[ 67.506068][ C0] __netif_receive_skb_list_core+0x704/0x770
[ 67.512594][ C0] ? __netif_receive_skb+0x280/0x280
[ 67.518051][ C0] ? receive_buf+0x2ec5/0x4bc0
[ 67.523071][ C0] netif_receive_skb_list_internal+0x7f8/0xaa0
[ 67.529263][ C0] ? netif_receive_skb_list+0x2a0/0x2a0
[ 67.534852][ C0] ? virtqueue_get_buf_ctx+0x4a2/0xf60
[ 67.540435][ C0] ? detach_buf_split+0x88d/0xa90
[ 67.545515][ C0] napi_complete_done+0x375/0x7a0
[ 67.550833][ C0] ? __napi_schedule_irqoff+0x230/0x230
[ 67.556550][ C0] ? virtqueue_get_buf_ctx+0x4a2/0xf60
[ 67.562393][ C0] ? virtqueue_enable_cb_prepare+0x235/0x570
[ 67.568527][ C0] virtnet_poll+0x8f4/0xe90
[ 67.573086][ C0] ? lapic_next_event+0x5f/0x70
[ 67.577979][ C0] ? refill_work+0x220/0x220
[ 67.582598][ C0] ? kvm_sched_clock_read+0x18/0x40
[ 67.587865][ C0] ? sched_clock+0x9/0x10
[ 67.592307][ C0] ? sched_clock_cpu+0x18/0x3d0
[ 67.597264][ C0] __napi_poll+0xbb/0x580
[ 67.601734][ C0] net_rx_action+0x37f/0x910
[ 67.606696][ C0] ? net_tx_action+0x520/0x520
[ 67.611654][ C0] handle_softirqs+0x250/0x560
[ 67.616458][ C0] __irq_exit_rcu+0x52/0xf0
[ 67.620987][ C0] irq_exit_rcu+0x9/0x10
[ 67.625274][ C0] sysvec_call_function_single+0xa6/0xc0
[ 67.631261][ C0]
[ 67.634236][ C0]
[ 67.637194][ C0] asm_sysvec_call_function_single+0x1b/0x20
[ 67.643230][ C0] RIP: 0010:dump_stack_lvl+0x144/0x170
[ 67.648726][ C0] Code: e6 00 02 00 00 31 ff e8 3a 77 be fc 49 81 e5 00 02 00 00 75 07 e8 ec 72 be fc eb 06 e8 e5 72 be 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
[ 67.669354][ C0] RSP: 0018:ffffc90000907640 EFLAGS: 00000293
[ 67.675804][ C0] RAX: ffffffff84ab43fb RBX: ffffffff8564bde0 RCX: ffff88810b5213c0
[ 67.684086][ C0] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000
[ 67.692095][ C0] RBP: ffffc900009076c8 R08: 0000000000000003 R09: 0000000000000004
[ 67.700101][ C0] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000
[ 67.708289][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000120ec8
[ 67.716324][ C0] ? dump_stack_lvl+0x13b/0x170
[ 67.719733][ T90] FAULT_INJECTION: forcing a failure.
[ 67.719733][ T90] name failslab, interval 1, probability 10, space 0, times 23
[ 67.721214][ C0] ? show_regs_print_info+0x20/0x20
[ 67.739586][ C0] ? prandom_u32+0x24d/0x290
[ 67.744214][ C0] dump_stack+0x15/0x20
[ 67.748386][ C0] should_fail+0x3ab/0x500
[ 67.752821][ C0] __should_failslab+0xa4/0xe0
[ 67.757905][ C0] should_failslab+0x9/0x20
[ 67.762539][ C0] slab_pre_alloc_hook+0x39/0xd0
[ 67.767921][ C0] kmem_cache_alloc_trace+0x48/0x270
[ 67.773885][ C0] ? dst_cow_metrics_generic+0x55/0x1c0
[ 67.779554][ C0] dst_cow_metrics_generic+0x55/0x1c0
[ 67.784948][ C0] icmp6_dst_alloc+0x35f/0x520
[ 67.790448][ C0] ndisc_send_skb+0x2a9/0xcf0
[ 67.795183][ C0] ? ndisc_alloc_skb+0x290/0x290
[ 67.800160][ C0] ? skb_put+0x10a/0x1f0
[ 67.804460][ C0] ndisc_send_ns+0x879/0xb10
[ 67.809517][ C0] ? ndisc_send_skb+0xcf0/0xcf0
[ 67.815062][ C0] ? mod_delayed_work_on+0xa8/0xe0
[ 67.820607][ C0] addrconf_dad_work+0x9fa/0x1510
[ 67.826502][ C0] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 67.832390][ C0] ? __kasan_check_write+0x14/0x20
[ 67.837906][ C0] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 67.844263][ C0] process_one_work+0x6c8/0xbb0
[ 67.849504][ C0] worker_thread+0xaa0/0x1250
[ 67.854303][ C0] ? __kasan_check_read+0x11/0x20
[ 67.859531][ C0] kthread+0x3f5/0x4f0
[ 67.863801][ C0] ? worker_clr_flags+0x190/0x190
[ 67.868854][ C0] ? kthread_blkcg+0xd0/0xd0
[ 67.873485][ C0] ret_from_fork+0x1f/0x30
[ 67.878059][ C0]
[ 67.881381][ T10] CPU: 1 PID: 10 Comm: kworker/u4:1 Not tainted syzkaller #0
[ 67.881695][ C0] FAULT_INJECTION: forcing a failure.
[ 67.881695][ C0] name failslab, interval 1, probability 10, space 0, times 21
[ 67.889247][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 67.889268][ T10] Workqueue: writeback wb_workfn (flush-8:0)
[ 67.919508][ T10] Call Trace:
[ 67.922819][ T10]
[ 67.925798][ T10] __dump_stack+0x21/0x30
[ 67.930271][ T10] dump_stack_lvl+0x110/0x170
[ 67.935151][ T10] ? show_regs_print_info+0x20/0x20
[ 67.940397][ T10] ? prandom_u32+0x24d/0x290
[ 67.945464][ T10] dump_stack+0x15/0x20
[ 67.950042][ T10] should_fail+0x3ab/0x500
[ 67.954518][ T10] __should_failslab+0xa4/0xe0
[ 67.959604][ T10] should_failslab+0x9/0x20
[ 67.964285][ T10] slab_pre_alloc_hook+0x39/0xd0
[ 67.969337][ T10] ? mempool_alloc_slab+0x1d/0x30
[ 67.975083][ T10] kmem_cache_alloc+0x44/0x260
[ 67.980333][ T10] ? mempool_free+0x330/0x330
[ 67.985036][ T10] mempool_alloc_slab+0x1d/0x30
[ 67.991097][ T10] mempool_alloc+0x167/0x4c0
[ 67.996602][ T10] ? blk_mq_delay_run_hw_queue+0x30/0x30
[ 68.002920][ T10] ? mempool_resize+0x880/0x880
[ 68.007907][ T10] ? blk_mq_sched_insert_requests+0x216/0x340
[ 68.014165][ T10] bio_alloc_bioset+0x124/0x910
[ 68.019196][ T10] bio_split+0xb4/0x310
[ 68.023639][ T10] __blk_queue_split+0xf6f/0x15c0
[ 68.028906][ T10] ? blk_end_sync_rq+0x50/0x50
[ 68.033887][ T10] ? preempt_count_add+0x90/0x1b0
[ 68.038940][ T10] blk_mq_submit_bio+0x1cc/0x1900
[ 68.044342][ T10] ? ktime_get+0x12f/0x160
[ 68.048935][ T10] ? submit_bio_checks+0xb77/0x11e0
[ 68.054307][ T10] ? blk_mq_try_issue_list_directly+0x490/0x490
[ 68.060688][ T10] ? __submit_bio+0x900/0x900
[ 68.065766][ T10] ? blk_try_enter_queue+0x165/0x350
[ 68.072774][ T10] __submit_bio+0x817/0x900
[ 68.077425][ T10] ? trace_raw_output_block_rq_remap+0x260/0x260
[ 68.084045][ T10] ? release_pages+0x1264/0x12c0
[ 68.089234][ T10] submit_bio_noacct+0x73b/0x800
[ 68.094192][ T10] ? blk_put_request+0x20/0x20
[ 68.099165][ T10] ? __pagevec_release+0x71/0xe0
[ 68.104528][ T10] ? blkcg_set_ioprio+0x1f6/0x320
[ 68.109692][ T10] submit_bio+0x367/0x620
[ 68.114368][ T10] ? submit_bio_noacct+0x800/0x800
[ 68.119522][ T10] ext4_io_submit+0x15d/0x210
[ 68.124588][ T10] ext4_writepages+0xf83/0x30a0
[ 68.129481][ T10] ? _raw_spin_unlock+0x4d/0x70
[ 68.134570][ T10] ? ext4_readpage+0x220/0x220
[ 68.139624][ T10] ? __kasan_check_write+0x14/0x20
[ 68.145564][ T10] ? __local_bh_enable_ip+0x58/0x80
[ 68.151435][ T10] ? ext4_readpage+0x220/0x220
[ 68.157307][ T10] do_writepages+0x476/0x6d0
[ 68.162080][ T10] ? dev_queue_xmit+0x20/0x20
[ 68.167468][ T10] ? __writepage+0x130/0x130
[ 68.172280][ T10] ? __kasan_check_write+0x14/0x20
[ 68.177452][ T10] ? _raw_spin_lock+0x94/0xf0
[ 68.182170][ T10] __writeback_single_inode+0xd9/0x9e0
[ 68.187827][ T10] ? wbc_attach_and_unlock_inode+0x194/0x5f0
[ 68.194271][ T10] writeback_sb_inodes+0x9f3/0x1610
[ 68.199981][ T10] ? __kasan_check_write+0x14/0x20
[ 68.205131][ T10] ? __switch_to+0x56c/0x1070
[ 68.209952][ T10] ? queue_io+0x4b0/0x4b0
[ 68.214591][ T10] ? down_read_trylock+0x317/0x630
[ 68.219813][ T10] __writeback_inodes_wb+0x127/0x400
[ 68.225137][ T10] wb_writeback+0x3ff/0x990
[ 68.229821][ T10] ? inode_cgwb_move_to_attached+0x3b0/0x3b0
[ 68.236011][ T10] ? set_worker_desc+0x1ba/0x1f0
[ 68.241314][ T10] ? __kasan_check_write+0x14/0x20
[ 68.246699][ T10] ? __kasan_check_write+0x14/0x20
[ 68.252159][ T10] ? cpumask_next+0x7c/0xa0
[ 68.256712][ T10] wb_workfn+0xa49/0xf30
[ 68.260985][ T10] ? inode_wait_for_writeback+0x220/0x220
[ 68.267029][ T10] ? add_timer+0x68/0x80
[ 68.272054][ T10] ? __queue_delayed_work+0x173/0x200
[ 68.277477][ T10] ? __kasan_check_write+0x14/0x20
[ 68.282702][ T10] ? _raw_spin_lock_irq+0x95/0xf0
[ 68.288346][ T10] ? _raw_spin_lock_irqsave+0x130/0x130
[ 68.294284][ T10] process_one_work+0x6c8/0xbb0
[ 68.299274][ T10] worker_thread+0xaa0/0x1250
[ 68.304034][ T10] kthread+0x3f5/0x4f0
[ 68.308277][ T10] ? worker_clr_flags+0x190/0x190
[ 68.313700][ T10] ? kthread_blkcg+0xd0/0xd0
[ 68.318426][ T10] ret_from_fork+0x1f/0x30
[ 68.322938][ T10]
[ 68.325997][ C0] CPU: 0 PID: 60 Comm: kworker/0:2 Not tainted syzkaller #0
[ 68.333516][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 68.344399][ C0] Workqueue: ipv6_addrconf addrconf_dad_work
[ 68.350526][ C0] Call Trace:
[ 68.353848][ C0]
[ 68.356749][ C0] __dump_stack+0x21/0x30
[ 68.361401][ C0] dump_stack_lvl+0x110/0x170
[ 68.366603][ C0] ? show_regs_print_info+0x20/0x20
[ 68.373397][ C0] ? prandom_u32+0x24d/0x290
[ 68.378615][ C0] dump_stack+0x15/0x20
[ 68.384780][ C0] should_fail+0x3ab/0x500
[ 68.389826][ C0] ? wg_packet_send_keepalive+0x62/0x1c0
[ 68.395848][ C0] __should_failslab+0xa4/0xe0
[ 68.400725][ C0] should_failslab+0x9/0x20
[ 68.407738][ C0] slab_pre_alloc_hook+0x39/0xd0
[ 68.413146][ C0] ? wg_packet_send_keepalive+0x62/0x1c0
[ 68.419612][ C0] ? wg_packet_send_keepalive+0x62/0x1c0
[ 68.426127][ C0] __kmalloc_track_caller+0x6c/0x2c0
[ 68.431828][ C0] ? wg_packet_send_keepalive+0x62/0x1c0
[ 68.437496][ C0] ? wg_packet_send_keepalive+0x62/0x1c0
[ 68.443469][ C0] __alloc_skb+0x210/0x730
[ 68.448721][ C0] wg_packet_send_keepalive+0x62/0x1c0
[ 68.454491][ C0] ? wg_expired_send_persistent_keepalive+0x44/0x80
[ 68.461412][ C0] wg_expired_send_persistent_keepalive+0x53/0x80
[ 68.467881][ C0] ? wg_expired_zero_key_material+0x170/0x170
[ 68.474308][ C0] call_timer_fn+0x38/0x290
[ 68.479216][ C0] ? wg_expired_zero_key_material+0x170/0x170
[ 68.485862][ C0] __run_timers+0x637/0x9a0
[ 68.490578][ C0] ? calc_index+0x200/0x200
[ 68.495204][ C0] run_timer_softirq+0x6a/0xf0
[ 68.499990][ C0] handle_softirqs+0x250/0x560
[ 68.505105][ C0] __do_softirq+0xb/0xd
[ 68.509499][ C0] do_softirq+0xdc/0x130
[ 68.513928][ C0]
[ 68.516870][ C0]
[ 68.520214][ C0] ? __local_bh_enable_ip+0x80/0x80
[ 68.526663][ C0] ? _raw_spin_lock_bh+0x94/0xf0
[ 68.531919][ C0] ? _raw_spin_lock_irq+0xf0/0xf0
[ 68.537088][ C0] __local_bh_enable_ip+0x75/0x80
[ 68.542693][ C0] _raw_spin_unlock_bh+0x51/0x60
[ 68.547758][ C0] icmp6_dst_alloc+0x462/0x520
[ 68.552917][ C0] ndisc_send_skb+0x2a9/0xcf0
[ 68.558122][ C0] ? ndisc_alloc_skb+0x290/0x290
[ 68.563571][ C0] ? skb_put+0x10a/0x1f0
[ 68.568102][ C0] ndisc_send_ns+0x879/0xb10
[ 68.573177][ C0] ? ndisc_send_skb+0xcf0/0xcf0
[ 68.578197][ C0] ? mod_delayed_work_on+0xa8/0xe0
[ 68.583663][ C0] addrconf_dad_work+0x9fa/0x1510
[ 68.589610][ C0] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 68.595624][ C0] ? __kasan_check_write+0x14/0x20
[ 68.600819][ C0] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 68.607135][ C0] process_one_work+0x6c8/0xbb0
[ 68.612475][ C0] worker_thread+0xaa0/0x1250
[ 68.617331][ C0] ? __kasan_check_read+0x11/0x20
[ 68.622390][ C0] kthread+0x3f5/0x4f0
[ 68.626589][ C0] ? worker_clr_flags+0x190/0x190
[ 68.631830][ C0] ? kthread_blkcg+0xd0/0xd0
[ 68.636462][ C0] ret_from_fork+0x1f/0x30
[ 68.641349][ C0]
[ 68.644581][ T90] CPU: 1 PID: 90 Comm: klogd Not tainted syzkaller #0
[ 68.651787][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 68.661112][ T45] FAULT_INJECTION: forcing a failure.
[ 68.661112][ T45] name failslab, interval 1, probability 10, space 0, times 20
[ 68.662613][ T90] Call Trace:
[ 68.662621][ T90]
[ 68.682690][ T90] __dump_stack+0x21/0x30
[ 68.687059][ T90] dump_stack_lvl+0x110/0x170
[ 68.691981][ T90] ? show_regs_print_info+0x20/0x20
[ 68.697343][ T90] dump_stack+0x15/0x20
[ 68.701535][ T90] should_fail+0x3ab/0x500
[ 68.705985][ T90] __should_failslab+0xa4/0xe0
[ 68.710808][ T90] should_failslab+0x9/0x20
[ 68.715553][ T90] slab_pre_alloc_hook+0x39/0xd0
[ 68.720851][ T90] ? sk_prot_alloc+0x5f/0x320
[ 68.725836][ T90] kmem_cache_alloc+0x44/0x260
[ 68.730930][ T90] ? slab_post_alloc_hook+0x6d/0x2b0
[ 68.736703][ T90] sk_prot_alloc+0x5f/0x320
[ 68.741836][ T90] sk_alloc+0x38/0x430
[ 68.746825][ T90] unix_create1+0xb4/0x610
[ 68.751886][ T90] unix_create+0x149/0x200
[ 68.756769][ T90] __sock_create+0x38d/0x7a0
[ 68.761690][ T90] __sys_socket+0xec/0x190
[ 68.766281][ T90] __x64_sys_socket+0x7a/0x90
[ 68.772166][ T90] x64_sys_call+0x8c5/0x9a0
[ 68.777117][ T90] do_syscall_64+0x4c/0xa0
[ 68.782055][ T90] ? clear_bhb_loop+0x50/0xa0
[ 68.787110][ T90] ? clear_bhb_loop+0x50/0xa0
[ 68.790669][ T20] FAULT_INJECTION: forcing a failure.
[ 68.790669][ T20] name failslab, interval 1, probability 10, space 0, times 20
[ 68.792395][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 68.811620][ T90] RIP: 0033:0x7f707502b707
[ 68.816208][ T90] 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
[ 68.836601][ T90] RSP: 002b:00007fffd0776398 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
[ 68.845315][ T90] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f707502b707
[ 68.853428][ T90] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001
[ 68.862254][ T90] RBP: 00007f70750b7560 R08: 0000000000000073 R09: 0000000000000001
[ 68.870610][ T90] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[ 68.880047][ T90] R13: 00007fffd07764c0 R14: 0000000000000030 R15: 00007fffd07764c0
[ 68.888178][ T90]
[ 68.891409][ T45] CPU: 0 PID: 45 Comm: kworker/u4:2 Not tainted syzkaller #0
[ 68.892316][ T90] FAULT_INJECTION: forcing a failure.
[ 68.892316][ T90] name failslab, interval 1, probability 10, space 0, times 19
[ 68.900194][ T45] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 68.900221][ T45] Workqueue: netns cleanup_net
[ 68.900255][ T45] Call Trace:
[ 68.900262][ T45]
[ 68.900270][ T45] __dump_stack+0x21/0x30
[ 68.900294][ T45] dump_stack_lvl+0x110/0x170
[ 68.950634][ T45] ? show_regs_print_info+0x20/0x20
[ 68.956839][ T45] ? prandom_u32+0x24d/0x290
[ 68.961527][ T45] dump_stack+0x15/0x20
[ 68.966343][ T45] should_fail+0x3ab/0x500
[ 68.970902][ T45] ? inet6_netconf_notify_devconf+0xd6/0x190
[ 68.977214][ T45] __should_failslab+0xa4/0xe0
[ 68.982099][ T45] should_failslab+0x9/0x20
[ 68.986931][ T45] slab_pre_alloc_hook+0x39/0xd0
[ 68.992357][ T45] ? inet6_netconf_notify_devconf+0xd6/0x190
[ 68.999060][ T45] ? inet6_netconf_notify_devconf+0xd6/0x190
[ 69.005277][ T45] __kmalloc_track_caller+0x6c/0x2c0
[ 69.010606][ T45] ? inet6_netconf_notify_devconf+0xd6/0x190
[ 69.016956][ T45] ? inet6_netconf_notify_devconf+0xd6/0x190
[ 69.023816][ T45] __alloc_skb+0x210/0x730
[ 69.028477][ T45] inet6_netconf_notify_devconf+0xd6/0x190
[ 69.035124][ T45] addrconf_exit_net+0x1a6/0x200
[ 69.040324][ T45] cleanup_net+0x58e/0xae0
[ 69.045015][ T45] ? ops_init+0x470/0x470
[ 69.049498][ T45] process_one_work+0x6c8/0xbb0
[ 69.054413][ T45] worker_thread+0xaa0/0x1250
[ 69.059131][ T45] ? __kasan_check_read+0x11/0x20
[ 69.064298][ T45] kthread+0x3f5/0x4f0
[ 69.068393][ T45] ? worker_clr_flags+0x190/0x190
[ 69.073801][ T45] ? kthread_blkcg+0xd0/0xd0
[ 69.078802][ T45] ret_from_fork+0x1f/0x30
[ 69.083268][ T45]
[ 69.086392][ T90] CPU: 1 PID: 90 Comm: klogd Not tainted syzkaller #0
[ 69.094733][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 69.105559][ T90] Call Trace:
[ 69.109139][ T90]
[ 69.112107][ T90] __dump_stack+0x21/0x30
[ 69.117364][ T90] dump_stack_lvl+0x110/0x170
[ 69.122293][ T90] ? show_regs_print_info+0x20/0x20
[ 69.127892][ T90] dump_stack+0x15/0x20
[ 69.132867][ T90] should_fail+0x3ab/0x500
[ 69.137551][ T90] __should_failslab+0xa4/0xe0
[ 69.143672][ T90] should_failslab+0x9/0x20
[ 69.148725][ T90] slab_pre_alloc_hook+0x39/0xd0
[ 69.153940][ T90] ? sk_prot_alloc+0x5f/0x320
[ 69.159035][ T90] kmem_cache_alloc+0x44/0x260
[ 69.163954][ T90] ? slab_post_alloc_hook+0x6d/0x2b0
[ 69.169708][ T90] sk_prot_alloc+0x5f/0x320
[ 69.174959][ T90] sk_alloc+0x38/0x430
[ 69.179246][ T90] unix_create1+0xb4/0x610
[ 69.184157][ T90] unix_create+0x149/0x200
[ 69.188605][ T90] __sock_create+0x38d/0x7a0
[ 69.193321][ T90] __sys_socket+0xec/0x190
[ 69.197990][ T90] __x64_sys_socket+0x7a/0x90
[ 69.202698][ T90] x64_sys_call+0x8c5/0x9a0
[ 69.207236][ T90] do_syscall_64+0x4c/0xa0
[ 69.211960][ T90] ? clear_bhb_loop+0x50/0xa0
[ 69.217007][ T90] ? clear_bhb_loop+0x50/0xa0
[ 69.221825][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 69.228379][ T90] RIP: 0033:0x7f707502b707
[ 69.229532][ T10] FAULT_INJECTION: forcing a failure.
[ 69.229532][ T10] name failslab, interval 1, probability 10, space 0, times 18
[ 69.232919][ T90] 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
[ 69.268435][ T90] RSP: 002b:00007fffd0776398 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
[ 69.277358][ T90] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f707502b707
[ 69.286563][ T90] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001
[ 69.297816][ T90] RBP: 00007f70750b7560 R08: 0000000000000073 R09: 0000000000000001
[ 69.306390][ T90] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[ 69.314658][ T90] R13: 00007fffd07764c0 R14: 0000000000000035 R15: 00007fffd07764c0
[ 69.322946][ T90]
[ 69.326400][ T10] CPU: 0 PID: 10 Comm: kworker/u4:1 Not tainted syzkaller #0
[ 69.334219][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 69.347949][ T10] Workqueue: writeback wb_workfn (flush-8:0)
[ 69.354171][ T10] Call Trace:
[ 69.357484][ T10]
[ 69.360567][ T10] __dump_stack+0x21/0x30
[ 69.364940][ T10] dump_stack_lvl+0x110/0x170
[ 69.369806][ T10] ? show_regs_print_info+0x20/0x20
[ 69.375218][ T10] ? prandom_u32+0x24d/0x290
[ 69.380167][ T10] dump_stack+0x15/0x20
[ 69.384816][ T10] should_fail+0x3ab/0x500
[ 69.390823][ T10] __should_failslab+0xa4/0xe0
[ 69.395824][ T10] should_failslab+0x9/0x20
[ 69.400535][ T10] slab_pre_alloc_hook+0x39/0xd0
[ 69.405906][ T10] ? mempool_alloc_slab+0x1d/0x30
[ 69.411904][ T10] kmem_cache_alloc+0x44/0x260
[ 69.416933][ T10] ? mempool_free+0x330/0x330
[ 69.422120][ T10] mempool_alloc_slab+0x1d/0x30
[ 69.427378][ T10] mempool_alloc+0x167/0x4c0
[ 69.432036][ T10] ? mempool_resize+0x880/0x880
[ 69.437108][ T10] ? prb_read_valid+0x60/0x60
[ 69.442025][ T10] sg_pool_alloc+0xb0/0xe0
[ 69.446482][ T10] __sg_alloc_table+0x1c1/0x6d0
[ 69.451510][ T10] sg_alloc_table_chained+0x8b/0x1e0
[ 69.456875][ T10] ? sg_alloc_table_chained+0x1e0/0x1e0
[ 69.462699][ T10] scsi_alloc_sgtables+0x292/0x8a0
[ 69.468046][ T10] ? scsi_io_completion_action+0xce0/0xce0
[ 69.474331][ T10] sd_init_command+0x60e/0x2610
[ 69.479994][ T10] scsi_queue_rq+0x176e/0x31c0
[ 69.485044][ T10] blk_mq_dispatch_rq_list+0xa06/0x1c50
[ 69.490998][ T10] ? blk_mq_get_driver_tag+0x920/0x920
[ 69.496927][ T10] blk_mq_do_dispatch_sched+0xadf/0xc90
[ 69.503681][ T10] ? blk_mq_exit_sched+0x590/0x590
[ 69.508953][ T10] ? dump_stack_lvl+0x144/0x170
[ 69.514074][ T10] ? show_regs_print_info+0x20/0x20
[ 69.519357][ T10] ? prandom_u32+0x24d/0x290
[ 69.524185][ T10] __blk_mq_sched_dispatch_requests+0x32c/0x410
[ 69.530558][ T10] ? __kasan_check_write+0x14/0x20
[ 69.535846][ T10] ? blk_mq_sched_dispatch_requests+0x1c0/0x1c0
[ 69.542448][ T10] blk_mq_sched_dispatch_requests+0x102/0x1c0
[ 69.548974][ T10] __blk_mq_run_hw_queue+0xf3/0x170
[ 69.554215][ T10] __blk_mq_delay_run_hw_queue+0x17e/0x420
[ 69.560145][ T10] ? blk_mq_delay_run_hw_queue+0x30/0x30
[ 69.565981][ T10] ? sbitmap_any_bit_set+0x119/0x160
[ 69.571915][ T10] blk_mq_run_hw_queue+0x282/0x3a0
[ 69.577070][ T10] blk_mq_sched_insert_requests+0x1cd/0x340
[ 69.583011][ T10] blk_mq_flush_plug_list+0x4e2/0x6b0
[ 69.588418][ T10] ? blk_mq_insert_requests+0x340/0x340
[ 69.593986][ T10] ? dd_prepare_request+0xd/0x40
[ 69.598945][ T10] blk_flush_plug_list+0x404/0x450
[ 69.604086][ T10] ? blk_check_plugged+0x270/0x270
[ 69.609500][ T10] ? blk_account_io_start+0x2b8/0x2f0
[ 69.614910][ T10] blk_mq_submit_bio+0xb23/0x1900
[ 69.620024][ T10] ? ktime_get+0x12f/0x160
[ 69.624476][ T10] ? blk_mq_try_issue_list_directly+0x490/0x490
[ 69.631042][ T10] ? __submit_bio+0x900/0x900
[ 69.635767][ T10] ? blk_try_enter_queue+0x165/0x350
[ 69.641089][ T10] __submit_bio+0x817/0x900
[ 69.645732][ T10] ? trace_raw_output_block_rq_remap+0x260/0x260
[ 69.652086][ T10] ? release_pages+0x1264/0x12c0
[ 69.657325][ T10] submit_bio_noacct+0x73b/0x800
[ 69.662420][ T10] ? blk_put_request+0x20/0x20
[ 69.667210][ T10] ? __pagevec_release+0x71/0xe0
[ 69.672460][ T10] ? blkcg_set_ioprio+0x1f6/0x320
[ 69.677515][ T10] submit_bio+0x367/0x620
[ 69.682232][ T10] ? submit_bio_noacct+0x800/0x800
[ 69.687666][ T10] ext4_io_submit+0x15d/0x210
[ 69.692361][ T10] ext4_writepages+0xf83/0x30a0
[ 69.697247][ T10] ? _raw_spin_unlock+0x4d/0x70
[ 69.702267][ T10] ? ext4_readpage+0x220/0x220
[ 69.707173][ T10] ? __kasan_check_write+0x14/0x20
[ 69.712324][ T10] ? __local_bh_enable_ip+0x58/0x80
[ 69.717547][ T10] ? ext4_readpage+0x220/0x220
[ 69.722360][ T10] do_writepages+0x476/0x6d0
[ 69.726988][ T10] ? dev_queue_xmit+0x20/0x20
[ 69.731705][ T10] ? __writepage+0x130/0x130
[ 69.736403][ T10] ? __kasan_check_write+0x14/0x20
[ 69.741629][ T10] ? _raw_spin_lock+0x94/0xf0
[ 69.746326][ T10] __writeback_single_inode+0xd9/0x9e0
[ 69.751834][ T10] ? wbc_attach_and_unlock_inode+0x194/0x5f0
[ 69.758136][ T10] writeback_sb_inodes+0x9f3/0x1610
[ 69.763884][ T10] ? __kasan_check_write+0x14/0x20
[ 69.769252][ T10] ? __switch_to+0x56c/0x1070
[ 69.774067][ T10] ? queue_io+0x4b0/0x4b0
[ 69.778447][ T10] ? down_read_trylock+0x317/0x630
[ 69.783680][ T10] __writeback_inodes_wb+0x127/0x400
[ 69.789469][ T10] wb_writeback+0x3ff/0x990
[ 69.794532][ T10] ? inode_cgwb_move_to_attached+0x3b0/0x3b0
[ 69.800817][ T10] ? set_worker_desc+0x1ba/0x1f0
[ 69.806849][ T10] ? __kasan_check_write+0x14/0x20
[ 69.812588][ T10] ? __kasan_check_write+0x14/0x20
[ 69.817900][ T10] ? cpumask_next+0x7c/0xa0
[ 69.822709][ T10] wb_workfn+0xa49/0xf30
[ 69.827647][ T10] ? inode_wait_for_writeback+0x220/0x220
[ 69.833595][ T10] ? add_timer+0x68/0x80
[ 69.838133][ T10] ? __queue_delayed_work+0x173/0x200
[ 69.844064][ T10] ? __kasan_check_write+0x14/0x20
[ 69.849209][ T10] ? _raw_spin_lock_irq+0x95/0xf0
[ 69.854340][ T10] ? _raw_spin_lock_irqsave+0x130/0x130
[ 69.860118][ T10] process_one_work+0x6c8/0xbb0
[ 69.865011][ T10] worker_thread+0xaa0/0x1250
[ 69.869721][ T10] kthread+0x3f5/0x4f0
[ 69.873914][ T10] ? worker_clr_flags+0x190/0x190
[ 69.879845][ T10] ? kthread_blkcg+0xd0/0xd0
[ 69.884482][ T10] ret_from_fork+0x1f/0x30
[ 69.889064][ T10]
[ 69.892297][ T20] CPU: 0 PID: 20 Comm: kworker/0:1 Not tainted syzkaller #0
[ 69.899831][ T20] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 69.911131][ T20] Workqueue: ipv6_addrconf addrconf_dad_work
[ 69.917413][ T20] Call Trace:
[ 69.920815][ T20]
[ 69.923853][ T20] __dump_stack+0x21/0x30
[ 69.928774][ T20] dump_stack_lvl+0x110/0x170
[ 69.933770][ T20] ? show_regs_print_info+0x20/0x20
[ 69.939374][ T20] ? prandom_u32+0x24d/0x290
[ 69.944185][ T20] dump_stack+0x15/0x20
[ 69.948367][ T20] should_fail+0x3ab/0x500
[ 69.952899][ T20] __should_failslab+0xa4/0xe0
[ 69.957972][ T20] should_failslab+0x9/0x20
[ 69.962591][ T20] slab_pre_alloc_hook+0x39/0xd0
[ 69.967679][ T20] kmem_cache_alloc_trace+0x48/0x270
[ 69.973267][ T20] ? dst_cow_metrics_generic+0x55/0x1c0
[ 69.979201][ T20] dst_cow_metrics_generic+0x55/0x1c0
[ 69.984856][ T20] icmp6_dst_alloc+0x35f/0x520
[ 69.990175][ T20] ndisc_send_skb+0x2a9/0xcf0
[ 69.994968][ T20] ? ndisc_alloc_skb+0x290/0x290
[ 70.000028][ T20] ? skb_put+0x10a/0x1f0
[ 70.004720][ T20] ndisc_send_ns+0x879/0xb10
[ 70.009502][ T20] ? ndisc_send_skb+0xcf0/0xcf0
[ 70.014401][ T20] ? mod_delayed_work_on+0xa8/0xe0
[ 70.019880][ T20] addrconf_dad_work+0x9fa/0x1510
[ 70.025045][ T20] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 70.030366][ T20] ? __kasan_check_write+0x14/0x20
[ 70.035679][ T20] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 70.041787][ T20] process_one_work+0x6c8/0xbb0
[ 70.046989][ T20] worker_thread+0xaa0/0x1250
[ 70.051947][ T20] ? __kasan_check_read+0x11/0x20
[ 70.057118][ T20] kthread+0x3f5/0x4f0
[ 70.061220][ T20] ? worker_clr_flags+0x190/0x190
[ 70.066312][ T20] ? kthread_blkcg+0xd0/0xd0
[ 70.070952][ T20] ret_from_fork+0x1f/0x30
[ 70.075537][ T20]
[ 70.079329][ T315] FAULT_INJECTION: forcing a failure.
[ 70.079329][ T315] name failslab, interval 1, probability 10, space 0, times 15
[ 70.087151][ T10] FAULT_INJECTION: forcing a failure.
[ 70.087151][ T10] name failslab, interval 1, probability 10, space 0, times 15
[ 70.092532][ T315] CPU: 1 PID: 315 Comm: kworker/1:2 Not tainted syzkaller #0
[ 70.112879][ T315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 70.123045][ T315] Workqueue: ipv6_addrconf addrconf_dad_work
[ 70.129753][ T315] Call Trace:
[ 70.133443][ T315]
[ 70.136912][ T315] __dump_stack+0x21/0x30
[ 70.142134][ T315] dump_stack_lvl+0x110/0x170
[ 70.147433][ T315] ? show_regs_print_info+0x20/0x20
[ 70.153090][ T315] ? prandom_u32+0x24d/0x290
[ 70.158378][ T315] dump_stack+0x15/0x20
[ 70.162697][ T315] should_fail+0x3ab/0x500
[ 70.167139][ T315] __should_failslab+0xa4/0xe0
[ 70.172205][ T315] should_failslab+0x9/0x20
[ 70.176989][ T315] slab_pre_alloc_hook+0x39/0xd0
[ 70.182675][ T315] __kmalloc+0x6d/0x2c0
[ 70.186913][ T315] ? ___neigh_create+0x6fb/0x1c50
[ 70.192511][ T315] ___neigh_create+0x6fb/0x1c50
[ 70.198621][ T315] ? arch_stack_walk+0x108/0x140
[ 70.205836][ T315] __neigh_create+0x31/0x40
[ 70.211099][ T315] ip6_finish_output2+0xae3/0x1790
[ 70.216541][ T315] ? __ip6_finish_output+0x7e0/0x7e0
[ 70.222005][ T315] ? ip6t_do_table+0x1355/0x1510
[ 70.227196][ T315] __ip6_finish_output+0x621/0x7e0
[ 70.232460][ T315] ip6_finish_output+0x31/0x220
[ 70.237659][ T315] ? ip6_output+0x3ea/0x410
[ 70.242356][ T315] ip6_output+0x1fa/0x410
[ 70.247186][ T315] ? ac6_seq_show+0xf0/0xf0
[ 70.252172][ T315] ? ip6_output+0x410/0x410
[ 70.257869][ T315] ndisc_send_skb+0x7f6/0xcf0
[ 70.259606][ T90] FAULT_INJECTION: forcing a failure.
[ 70.259606][ T90] name failslab, interval 1, probability 10, space 0, times 14
[ 70.263083][ T315] ? ndisc_alloc_skb+0x290/0x290
[ 70.282225][ T315] ? ndisc_error_report+0xc0/0xc0
[ 70.289430][ T315] ? skb_put+0x10a/0x1f0
[ 70.294271][ T315] ndisc_send_ns+0x879/0xb10
[ 70.299330][ T315] ? ndisc_send_skb+0xcf0/0xcf0
[ 70.305117][ T315] ? mod_delayed_work_on+0xa8/0xe0
[ 70.311446][ T315] addrconf_dad_work+0x9fa/0x1510
[ 70.316787][ T315] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 70.322360][ T315] ? __kasan_check_write+0x14/0x20
[ 70.327715][ T315] ? _raw_spin_lock_irq+0x95/0xf0
[ 70.333062][ T315] ? _raw_spin_lock_irqsave+0x130/0x130
[ 70.338760][ T315] process_one_work+0x6c8/0xbb0
[ 70.344477][ T315] worker_thread+0xaa0/0x1250
[ 70.349524][ T315] ? __kasan_check_read+0x11/0x20
[ 70.355122][ T315] kthread+0x3f5/0x4f0
[ 70.359234][ T315] ? worker_clr_flags+0x190/0x190
[ 70.364490][ T315] ? kthread_blkcg+0xd0/0xd0
[ 70.369563][ T315] ret_from_fork+0x1f/0x30
[ 70.374121][ T315]
[ 70.377709][ T10] CPU: 0 PID: 10 Comm: kworker/u4:1 Not tainted syzkaller #0
[ 70.386302][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 70.397964][ T10] Workqueue: writeback wb_workfn (flush-8:0)
[ 70.405306][ T10] Call Trace:
[ 70.409192][ T10]
[ 70.412338][ T10] __dump_stack+0x21/0x30
[ 70.417333][ T10] dump_stack_lvl+0x110/0x170
[ 70.422805][ T10] ? show_regs_print_info+0x20/0x20
[ 70.428219][ T10] ? prandom_u32+0x24d/0x290
[ 70.433178][ T10] dump_stack+0x15/0x20
[ 70.437617][ T10] should_fail+0x3ab/0x500
[ 70.442216][ T10] __should_failslab+0xa4/0xe0
[ 70.448169][ T10] should_failslab+0x9/0x20
[ 70.453675][ T10] slab_pre_alloc_hook+0x39/0xd0
[ 70.459121][ T10] ? ext4_mb_new_blocks+0x4a0/0x4140
[ 70.464874][ T10] kmem_cache_alloc+0x44/0x260
[ 70.470627][ T10] ext4_mb_new_blocks+0x4a0/0x4140
[ 70.476152][ T10] ? __es_insert_extent+0x1790/0x1790
[ 70.481724][ T10] ? __kmalloc+0x13d/0x2c0
[ 70.486788][ T10] ? memset+0x35/0x40
[ 70.490812][ T10] ? ext4_mb_pa_callback+0xd0/0xd0
[ 70.496238][ T10] ? ext4_ext_check_overlap+0x308/0x550
[ 70.502007][ T10] ? ext4_ext_find_goal+0x108/0x200
[ 70.507267][ T10] ext4_ext_map_blocks+0x1652/0x6150
[ 70.512616][ T10] ? __kasan_slab_alloc+0xc9/0xe0
[ 70.517698][ T10] ? __kasan_slab_alloc+0xb7/0xe0
[ 70.522881][ T10] ? slab_post_alloc_hook+0x4f/0x2b0
[ 70.528283][ T10] ? kmem_cache_alloc+0xf7/0x260
[ 70.533244][ T10] ? ext4_writepages+0xf3b/0x30a0
[ 70.538587][ T10] ? do_writepages+0x476/0x6d0
[ 70.544125][ T10] ? __writeback_single_inode+0xd9/0x9e0
[ 70.549906][ T10] ? writeback_sb_inodes+0x9f3/0x1610
[ 70.555547][ T10] ? __writeback_inodes_wb+0x127/0x400
[ 70.561049][ T10] ? wb_writeback+0x3ff/0x990
[ 70.565753][ T10] ? kthread+0x3f5/0x4f0
[ 70.570146][ T10] ? ret_from_fork+0x1f/0x30
[ 70.574940][ T10] ? ext4_ext_release+0x10/0x10
[ 70.579834][ T10] ? ext4_es_lookup_extent+0x563/0x900
[ 70.585495][ T10] ext4_map_blocks+0x979/0x1a50
[ 70.590458][ T10] ? ext4_issue_zeroout+0x250/0x250
[ 70.595777][ T10] ? ext4_inode_journal_mode+0x38e/0x470
[ 70.601517][ T10] ext4_writepages+0x1260/0x30a0
[ 70.606915][ T10] ? _raw_spin_unlock+0x4d/0x70
[ 70.611802][ T10] ? ext4_readpage+0x220/0x220
[ 70.616764][ T10] ? __kasan_check_write+0x14/0x20
[ 70.622036][ T10] ? __local_bh_enable_ip+0x58/0x80
[ 70.627276][ T10] ? ext4_readpage+0x220/0x220
[ 70.632290][ T10] do_writepages+0x476/0x6d0
[ 70.636919][ T10] ? dev_queue_xmit+0x20/0x20
[ 70.641954][ T10] ? __writepage+0x130/0x130
[ 70.647350][ T10] ? __kasan_check_write+0x14/0x20
[ 70.652789][ T10] ? _raw_spin_lock+0x94/0xf0
[ 70.657515][ T10] __writeback_single_inode+0xd9/0x9e0
[ 70.663220][ T10] ? wbc_attach_and_unlock_inode+0x194/0x5f0
[ 70.669335][ T10] writeback_sb_inodes+0x9f3/0x1610
[ 70.674577][ T10] ? __kasan_check_write+0x14/0x20
[ 70.679920][ T10] ? __switch_to+0x56c/0x1070
[ 70.684770][ T10] ? queue_io+0x4b0/0x4b0
[ 70.686249][ T39] FAULT_INJECTION: forcing a failure.
[ 70.686249][ T39] name failslab, interval 1, probability 10, space 0, times 13
[ 70.689415][ T10] ? down_read_trylock+0x317/0x630
[ 70.689450][ T10] __writeback_inodes_wb+0x127/0x400
[ 70.713777][ T10] wb_writeback+0x3ff/0x990
[ 70.718478][ T10] ? inode_cgwb_move_to_attached+0x3b0/0x3b0
[ 70.724502][ T10] ? set_worker_desc+0x1ba/0x1f0
[ 70.729573][ T10] ? __kasan_check_write+0x14/0x20
[ 70.734800][ T10] ? __kasan_check_write+0x14/0x20
[ 70.740292][ T10] ? cpumask_next+0x7c/0xa0
[ 70.744840][ T10] wb_workfn+0xa49/0xf30
[ 70.749771][ T10] ? inode_wait_for_writeback+0x220/0x220
[ 70.755534][ T10] ? add_timer+0x68/0x80
[ 70.759802][ T10] ? __queue_delayed_work+0x173/0x200
[ 70.765332][ T10] ? __kasan_check_write+0x14/0x20
[ 70.771026][ T10] ? _raw_spin_lock_irq+0x95/0xf0
[ 70.776432][ T10] ? _raw_spin_lock_irqsave+0x130/0x130
[ 70.782425][ T10] process_one_work+0x6c8/0xbb0
[ 70.787337][ T10] worker_thread+0xaa0/0x1250
[ 70.792142][ T10] kthread+0x3f5/0x4f0
[ 70.796406][ T10] ? worker_clr_flags+0x190/0x190
[ 70.801470][ T10] ? kthread_blkcg+0xd0/0xd0
[ 70.806327][ T10] ret_from_fork+0x1f/0x30
[ 70.810777][ T10]
[ 70.813822][ T39] CPU: 1 PID: 39 Comm: kworker/1:1 Not tainted syzkaller #0
[ 70.821158][ T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 70.831674][ T39] Workqueue: ipv6_addrconf addrconf_dad_work
[ 70.838213][ T39] Call Trace:
[ 70.841560][ T39]
[ 70.844512][ T39] __dump_stack+0x21/0x30
[ 70.849083][ T39] dump_stack_lvl+0x110/0x170
[ 70.853896][ T39] ? show_regs_print_info+0x20/0x20
[ 70.859112][ T39] ? prandom_u32+0x24d/0x290
[ 70.863718][ T39] dump_stack+0x15/0x20
[ 70.868286][ T39] should_fail+0x3ab/0x500
[ 70.872742][ T39] __should_failslab+0xa4/0xe0
[ 70.877546][ T39] should_failslab+0x9/0x20
[ 70.882248][ T39] slab_pre_alloc_hook+0x39/0xd0
[ 70.887214][ T39] __kmalloc+0x6d/0x2c0
[ 70.891388][ T39] ? ___neigh_create+0x6fb/0x1c50
[ 70.896601][ T39] ___neigh_create+0x6fb/0x1c50
[ 70.901568][ T39] ? arch_stack_walk+0x108/0x140
[ 70.906531][ T39] __neigh_create+0x31/0x40
[ 70.911051][ T39] ip6_finish_output2+0xae3/0x1790
[ 70.916336][ T39] ? __ip6_finish_output+0x7e0/0x7e0
[ 70.921991][ T39] ? ip6t_do_table+0x1355/0x1510
[ 70.927259][ T39] __ip6_finish_output+0x621/0x7e0
[ 70.932606][ T39] ip6_finish_output+0x31/0x220
[ 70.937577][ T39] ? ip6_output+0x3ea/0x410
[ 70.942199][ T39] ip6_output+0x1fa/0x410
[ 70.946550][ T39] ? ac6_seq_show+0xf0/0xf0
[ 70.951155][ T39] ? ip6_output+0x410/0x410
[ 70.955766][ T39] ndisc_send_skb+0x7f6/0xcf0
[ 70.960658][ T39] ? ndisc_alloc_skb+0x290/0x290
[ 70.965916][ T39] ? ndisc_error_report+0xc0/0xc0
[ 70.971905][ T39] ? skb_put+0x10a/0x1f0
[ 70.977573][ T39] ndisc_send_ns+0x879/0xb10
[ 70.982583][ T39] ? ndisc_send_skb+0xcf0/0xcf0
[ 70.988130][ T39] ? mod_delayed_work_on+0xa8/0xe0
[ 70.994003][ T39] addrconf_dad_work+0x9fa/0x1510
[ 70.999592][ T39] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 71.005525][ T39] ? __kasan_check_write+0x14/0x20
[ 71.011148][ T39] ? _raw_spin_lock_irq+0x95/0xf0
[ 71.016501][ T39] ? _raw_spin_lock_irqsave+0x130/0x130
[ 71.023295][ T39] ? rht_lock+0x120/0x120
[ 71.027665][ T39] process_one_work+0x6c8/0xbb0
[ 71.032745][ T39] worker_thread+0xaa0/0x1250
[ 71.038890][ T39] ? __kasan_check_read+0x11/0x20
[ 71.044320][ T39] kthread+0x3f5/0x4f0