Warning: Permanently added '10.128.1.28' (ED25519) to the list of known hosts. 2026/02/20 21:43:10 ignoring optional flag "type"="gce" 2026/02/20 21:43:10 parsed 1 programs [ 41.371719][ T30] kauditd_printk_skb: 18 callbacks suppressed [ 41.371741][ T30] audit: type=1400 audit(1771623790.702:92): avc: denied { unlink } for pid=329 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" 2026/02/20 21:43:10 executed programs: 0 [ 41.449974][ T329] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 41.511859][ T333] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.520337][ T333] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.528699][ T333] device bridge_slave_0 entered promiscuous mode [ 41.537117][ T333] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.545367][ T333] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.554148][ T333] device bridge_slave_1 entered promiscuous mode [ 41.607699][ T333] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.615917][ T333] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.624132][ T333] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.631862][ T333] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.651625][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.659693][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.668894][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.678048][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.689549][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.698793][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.707038][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.716371][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.726123][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.734274][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.746459][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.756772][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.771763][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.784750][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.793756][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.803997][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 41.813587][ T333] device veth0_vlan entered promiscuous mode [ 41.825917][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.835978][ T333] device veth1_macvtap entered promiscuous mode [ 41.846889][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.857385][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.880209][ T344] FAULT_INJECTION: forcing a failure. [ 41.880209][ T344] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 41.897734][ T344] CPU: 1 PID: 344 Comm: syz-executor.0 Not tainted syzkaller #0 [ 41.906197][ T344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 41.918682][ T344] Call Trace: [ 41.922433][ T344] [ 41.925464][ T344] __dump_stack+0x21/0x30 [ 41.930296][ T344] dump_stack_lvl+0x110/0x170 [ 41.935635][ T344] ? show_regs_print_info+0x20/0x20 [ 41.941952][ T344] dump_stack+0x15/0x20 [ 41.947135][ T344] should_fail+0x3c1/0x510 [ 41.952011][ T344] should_fail_alloc_page+0x55/0x80 [ 41.957943][ T344] prepare_alloc_pages+0x156/0x610 [ 41.963797][ T344] ? __alloc_pages_bulk+0xad0/0xad0 [ 41.970392][ T344] __alloc_pages+0x11d/0x460 [ 41.975572][ T344] ? prep_new_page+0x110/0x110 [ 41.980868][ T344] ? arch_stack_walk+0xee/0x140 [ 41.985843][ T344] pte_alloc_one+0x70/0x190 [ 41.990991][ T344] ? pfn_modify_allowed+0x2f0/0x2f0 [ 41.996923][ T344] ? stack_trace_save+0xa6/0xf0 [ 42.002413][ T344] ? __stack_depot_save+0x34/0x480 [ 42.008082][ T344] ? copy_mm+0x9de/0x13c0 [ 42.012648][ T344] __pte_alloc+0x75/0x2a0 [ 42.017099][ T344] ? __kasan_slab_alloc+0xcf/0xf0 [ 42.022311][ T344] ? free_pgtables+0x280/0x280 [ 42.027680][ T344] ? anon_vma_fork+0x200/0x510 [ 42.032628][ T344] ? copy_mm+0x9de/0x13c0 [ 42.036962][ T344] ? copy_process+0x117c/0x3250 [ 42.042165][ T344] ? kernel_clone+0x233/0x960 [ 42.047046][ T344] ? __x64_sys_clone+0x198/0x210 [ 42.052192][ T344] copy_page_range+0x237c/0x28d0 [ 42.057746][ T344] ? pfn_valid+0x1d0/0x1d0 [ 42.062439][ T344] copy_mm+0xbf2/0x13c0 [ 42.066780][ T344] ? copy_signal+0x600/0x600 [ 42.071841][ T344] ? __init_rwsem+0xfc/0x1d0 [ 42.077790][ T344] ? copy_signal+0x4cb/0x600 [ 42.082906][ T344] copy_process+0x117c/0x3250 [ 42.088539][ T344] ? __kasan_check_write+0x14/0x20 [ 42.094197][ T344] ? __pidfd_prepare+0x150/0x150 [ 42.099813][ T344] kernel_clone+0x233/0x960 [ 42.104562][ T344] ? create_io_thread+0x170/0x170 [ 42.110235][ T344] ? __kasan_check_write+0x14/0x20 [ 42.116025][ T344] ? mutex_unlock+0x8f/0x230 [ 42.121701][ T344] __x64_sys_clone+0x198/0x210 [ 42.126870][ T344] ? __kasan_check_write+0x14/0x20 [ 42.132391][ T344] ? __ia32_sys_vfork+0x130/0x130 [ 42.137619][ T344] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 42.144183][ T344] x64_sys_call+0x41f/0x9a0 [ 42.149074][ T344] do_syscall_64+0x4c/0xa0 [ 42.153777][ T344] ? clear_bhb_loop+0x50/0xa0 [ 42.158764][ T344] ? clear_bhb_loop+0x50/0xa0 [ 42.164439][ T344] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 42.170927][ T344] RIP: 0033:0x7f7c3c444079 [ 42.175858][ T344] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 42.198096][ T344] RSP: 002b:00007f7c3bfd6068 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 42.207129][ T344] RAX: ffffffffffffffda RBX: 00007f7c3c582f80 RCX: 00007f7c3c444079 [ 42.215705][ T344] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000600 [ 42.223974][ T344] RBP: 00007f7c3bfd6120 R08: 0000000000000000 R09: 0000000000000000 [ 42.232315][ T344] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 42.240621][ T344] R13: 000000000000000b R14: 00007f7c3c582f80 R15: 00007ffd9cb38698 [ 42.249791][ T344] [ 42.264224][ T347] FAULT_INJECTION: forcing a failure. [ 42.264224][ T347] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 42.278843][ T347] CPU: 0 PID: 347 Comm: syz-executor.0 Not tainted syzkaller #0 [ 42.287526][ T347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 42.299581][ T347] Call Trace: [ 42.303049][ T347] [ 42.306239][ T347] __dump_stack+0x21/0x30 [ 42.310897][ T347] dump_stack_lvl+0x110/0x170 [ 42.315968][ T347] ? show_regs_print_info+0x20/0x20 [ 42.321336][ T347] dump_stack+0x15/0x20 [ 42.326031][ T347] should_fail+0x3c1/0x510 [ 42.331003][ T347] should_fail_alloc_page+0x55/0x80 [ 42.336601][ T347] prepare_alloc_pages+0x156/0x610 [ 42.342928][ T347] ? __alloc_pages_bulk+0xad0/0xad0 [ 42.348818][ T347] __alloc_pages+0x11d/0x460 [ 42.353698][ T347] ? prep_new_page+0x110/0x110 [ 42.358788][ T347] ? arch_stack_walk+0xee/0x140 [ 42.364163][ T347] pte_alloc_one+0x70/0x190 [ 42.368784][ T347] ? pfn_modify_allowed+0x2f0/0x2f0 [ 42.374277][ T347] ? stack_trace_save+0xa6/0xf0 [ 42.379946][ T347] ? __stack_depot_save+0x34/0x480 [ 42.385880][ T347] ? copy_mm+0x9de/0x13c0 [ 42.390616][ T347] __pte_alloc+0x75/0x2a0 [ 42.395892][ T347] ? __kasan_slab_alloc+0xcf/0xf0 [ 42.400937][ T347] ? free_pgtables+0x280/0x280 [ 42.406103][ T347] ? anon_vma_fork+0x200/0x510 [ 42.411369][ T347] ? copy_mm+0x9de/0x13c0 [ 42.416372][ T347] ? copy_process+0x117c/0x3250 [ 42.421587][ T347] ? kernel_clone+0x233/0x960 [ 42.426976][ T347] ? __x64_sys_clone+0x198/0x210 [ 42.432302][ T347] copy_page_range+0x237c/0x28d0 [ 42.437490][ T347] ? pfn_valid+0x1d0/0x1d0 [ 42.442222][ T347] copy_mm+0xbf2/0x13c0 [ 42.446488][ T347] ? copy_signal+0x600/0x600 [ 42.451752][ T347] ? __init_rwsem+0xfc/0x1d0 [ 42.456474][ T347] ? copy_signal+0x4cb/0x600 [ 42.461120][ T347] copy_process+0x117c/0x3250 [ 42.465915][ T347] ? __kasan_check_write+0x14/0x20 [ 42.471507][ T347] ? __pidfd_prepare+0x150/0x150 [ 42.477094][ T347] kernel_clone+0x233/0x960 [ 42.481939][ T347] ? create_io_thread+0x170/0x170 [ 42.487700][ T347] ? __kasan_check_write+0x14/0x20 [ 42.492985][ T347] ? mutex_unlock+0x8f/0x230 [ 42.497979][ T347] __x64_sys_clone+0x198/0x210 [ 42.503383][ T347] ? __kasan_check_write+0x14/0x20 [ 42.509055][ T347] ? __ia32_sys_vfork+0x130/0x130 [ 42.515193][ T347] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 42.521870][ T347] x64_sys_call+0x41f/0x9a0 [ 42.526907][ T347] do_syscall_64+0x4c/0xa0 [ 42.531890][ T347] ? clear_bhb_loop+0x50/0xa0 [ 42.536918][ T347] ? clear_bhb_loop+0x50/0xa0 [ 42.541843][ T347] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 42.548161][ T347] RIP: 0033:0x7f7c3c444079 [ 42.553092][ T347] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 42.575704][ T347] RSP: 002b:00007f7c3bfd6068 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 42.584850][ T347] RAX: ffffffffffffffda RBX: 00007f7c3c582f80 RCX: 00007f7c3c444079 [ 42.593182][ T347] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000600 [ 42.601768][ T347] RBP: 00007f7c3bfd6120 R08: 0000000000000000 R09: 0000000000000000 [ 42.610305][ T347] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 42.619198][ T347] R13: 000000000000000b R14: 00007f7c3c582f80 R15: 00007ffd9cb38698 [ 42.627363][ T347] [ 42.640437][ T349] FAULT_INJECTION: forcing a failure. [ 42.640437][ T349] name failslab, interval 1, probability 0, space 0, times 1 [ 42.654174][ T349] CPU: 0 PID: 349 Comm: syz-executor.0 Not tainted syzkaller #0 [ 42.662703][ T349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 42.673628][ T349] Call Trace: [ 42.677014][ T349] [ 42.679967][ T349] __dump_stack+0x21/0x30 [ 42.684526][ T349] dump_stack_lvl+0x110/0x170 [ 42.689524][ T349] ? show_regs_print_info+0x20/0x20 [ 42.695116][ T349] ? avc_denied+0x1b0/0x1b0 [ 42.700016][ T349] dump_stack+0x15/0x20 [ 42.704706][ T349] should_fail+0x3c1/0x510 [ 42.709382][ T349] __should_failslab+0xa4/0xe0 [ 42.714470][ T349] should_failslab+0x9/0x20 [ 42.719214][ T349] slab_pre_alloc_hook+0x3b/0xe0 [ 42.724163][ T349] ? vm_area_dup+0x26/0x210 [ 42.728907][ T349] kmem_cache_alloc+0x44/0x260 [ 42.734247][ T349] vm_area_dup+0x26/0x210 [ 42.738891][ T349] copy_mm+0x947/0x13c0 [ 42.743148][ T349] ? copy_signal+0x600/0x600 [ 42.748116][ T349] ? __init_rwsem+0xfc/0x1d0 [ 42.752902][ T349] ? copy_signal+0x4cb/0x600 [ 42.758117][ T349] copy_process+0x117c/0x3250 [ 42.763266][ T349] ? __kasan_check_write+0x14/0x20 [ 42.768652][ T349] ? __pidfd_prepare+0x150/0x150 [ 42.773800][ T349] kernel_clone+0x233/0x960 [ 42.778791][ T349] ? create_io_thread+0x170/0x170 [ 42.784591][ T349] ? __kasan_check_write+0x14/0x20 [ 42.790685][ T349] ? mutex_unlock+0x8f/0x230 [ 42.796481][ T349] __x64_sys_clone+0x198/0x210 [ 42.802305][ T349] ? __kasan_check_write+0x14/0x20 [ 42.807979][ T349] ? __ia32_sys_vfork+0x130/0x130 [ 42.813508][ T349] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 42.819861][ T349] x64_sys_call+0x41f/0x9a0 [ 42.824375][ T349] do_syscall_64+0x4c/0xa0 [ 42.829407][ T349] ? clear_bhb_loop+0x50/0xa0 [ 42.834152][ T349] ? clear_bhb_loop+0x50/0xa0 [ 42.839011][ T349] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 42.846620][ T349] RIP: 0033:0x7f7c3c444079 [ 42.851312][ T349] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 42.872174][ T349] RSP: 002b:00007f7c3bfd6068 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 42.881302][ T349] RAX: ffffffffffffffda RBX: 00007f7c3c582f80 RCX: 00007f7c3c444079 [ 42.889909][ T349] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000600 [ 42.898196][ T349] RBP: 00007f7c3bfd6120 R08: 0000000000000000 R09: 0000000000000000 [ 42.907002][ T349] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 42.915363][ T349] R13: 000000000000000b R14: 00007f7c3c582f80 R15: 00007ffd9cb38698 [ 42.923826][ T349] [ 42.936814][ T351] FAULT_INJECTION: forcing a failure. [ 42.936814][ T351] name failslab, interval 1, probability 0, space 0, times 0 [ 42.950588][ T351] CPU: 1 PID: 351 Comm: syz-executor.0 Not tainted syzkaller #0 [ 42.960102][ T351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 42.972403][ T351] Call Trace: [ 42.975926][ T351] [ 42.979161][ T351] __dump_stack+0x21/0x30 [ 42.984085][ T351] dump_stack_lvl+0x110/0x170 [ 42.989126][ T351] ? show_regs_print_info+0x20/0x20 [ 42.995151][ T351] dump_stack+0x15/0x20 [ 43.000350][ T351] should_fail+0x3c1/0x510 [ 43.005614][ T351] __should_failslab+0xa4/0xe0 [ 43.010599][ T351] should_failslab+0x9/0x20 [ 43.016270][ T351] slab_pre_alloc_hook+0x3b/0xe0 [ 43.021233][ T351] ? anon_vma_fork+0x200/0x510 [ 43.026116][ T351] kmem_cache_alloc+0x44/0x260 [ 43.031550][ T351] anon_vma_fork+0x200/0x510 [ 43.037007][ T351] copy_mm+0x9de/0x13c0 [ 43.041584][ T351] ? copy_signal+0x600/0x600 [ 43.046689][ T351] ? __init_rwsem+0xfc/0x1d0 [ 43.051643][ T351] ? copy_signal+0x4cb/0x600 [ 43.056686][ T351] copy_process+0x117c/0x3250 [ 43.061483][ T351] ? __kasan_check_write+0x14/0x20 [ 43.067202][ T351] ? __pidfd_prepare+0x150/0x150 [ 43.072244][ T351] kernel_clone+0x233/0x960 [ 43.077647][ T351] ? create_io_thread+0x170/0x170 [ 43.083409][ T351] ? __kasan_check_write+0x14/0x20 [ 43.089042][ T351] ? mutex_unlock+0x8f/0x230 [ 43.094167][ T351] __x64_sys_clone+0x198/0x210 [ 43.099662][ T351] ? __kasan_check_write+0x14/0x20 [ 43.104879][ T351] ? __ia32_sys_vfork+0x130/0x130 [ 43.110185][ T351] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 43.116669][ T351] x64_sys_call+0x41f/0x9a0 [ 43.121424][ T351] do_syscall_64+0x4c/0xa0 [ 43.126268][ T351] ? clear_bhb_loop+0x50/0xa0 [ 43.131595][ T351] ? clear_bhb_loop+0x50/0xa0 [ 43.136803][ T351] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 43.143763][ T351] RIP: 0033:0x7f7c3c444079 [ 43.148560][ T351] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 43.170647][ T351] RSP: 002b:00007f7c3bfd6068 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 43.179688][ T351] RAX: ffffffffffffffda RBX: 00007f7c3c582f80 RCX: 00007f7c3c444079 [ 43.188633][ T351] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000600 [ 43.197017][ T351] RBP: 00007f7c3bfd6120 R08: 0000000000000000 R09: 0000000000000000 [ 43.206646][ T351] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 43.215565][ T351] R13: 000000000000000b R14: 00007f7c3c582f80 R15: 00007ffd9cb38698 [ 43.224486][ T351] [ 43.237243][ T353] FAULT_INJECTION: forcing a failure. [ 43.237243][ T353] name failslab, interval 1, probability 0, space 0, times 0 [ 43.252963][ T353] CPU: 0 PID: 353 Comm: syz-executor.0 Not tainted syzkaller #0 [ 43.262227][ T353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 43.274603][ T353] Call Trace: [ 43.278209][ T353] [ 43.281441][ T353] __dump_stack+0x21/0x30 [ 43.286431][ T353] dump_stack_lvl+0x110/0x170 [ 43.292829][ T353] ? show_regs_print_info+0x20/0x20 [ 43.298736][ T353] ? avc_denied+0x1b0/0x1b0 [ 43.304704][ T353] dump_stack+0x15/0x20 [ 43.309867][ T353] should_fail+0x3c1/0x510 [ 43.316349][ T353] __should_failslab+0xa4/0xe0 [ 43.321948][ T353] should_failslab+0x9/0x20 [ 43.326504][ T353] slab_pre_alloc_hook+0x3b/0xe0 [ 43.331860][ T353] ? vm_area_dup+0x26/0x210 [ 43.336766][ T353] kmem_cache_alloc+0x44/0x260 [ 43.341677][ T353] vm_area_dup+0x26/0x210 [ 43.346276][ T353] copy_mm+0x947/0x13c0 [ 43.350775][ T353] ? copy_signal+0x600/0x600 [ 43.355821][ T353] ? __init_rwsem+0xfc/0x1d0 [ 43.360624][ T353] ? copy_signal+0x4cb/0x600 [ 43.365227][ T353] copy_process+0x117c/0x3250 [ 43.370126][ T353] ? __kasan_check_write+0x14/0x20 [ 43.376062][ T353] ? __pidfd_prepare+0x150/0x150 [ 43.381882][ T353] kernel_clone+0x233/0x960 [ 43.386893][ T353] ? create_io_thread+0x170/0x170 [ 43.392511][ T353] ? __kasan_check_write+0x14/0x20 [ 43.398005][ T353] ? mutex_unlock+0x8f/0x230 [ 43.402791][ T353] __x64_sys_clone+0x198/0x210 [ 43.407698][ T353] ? __kasan_check_write+0x14/0x20 [ 43.413484][ T353] ? __ia32_sys_vfork+0x130/0x130 [ 43.419217][ T353] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 43.425392][ T353] x64_sys_call+0x41f/0x9a0 [ 43.430141][ T353] do_syscall_64+0x4c/0xa0 [ 43.434759][ T353] ? clear_bhb_loop+0x50/0xa0 [ 43.439573][ T353] ? clear_bhb_loop+0x50/0xa0 [ 43.444714][ T353] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 43.450999][ T353] RIP: 0033:0x7f7c3c444079 [ 43.455896][ T353] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 43.476881][ T353] RSP: 002b:00007f7c3bfd6068 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 43.485817][ T353] RAX: ffffffffffffffda RBX: 00007f7c3c582f80 RCX: 00007f7c3c444079 [ 43.494517][ T353] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000600 [ 43.502668][ T353] RBP: 00007f7c3bfd6120 R08: 0000000000000000 R09: 0000000000000000 [ 43.511094][ T353] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 43.519089][ T353] R13: 000000000000000b R14: 00007f7c3c582f80 R15: 00007ffd9cb38698 [ 43.528648][ T353] [ 43.543474][ T355] FAULT_INJECTION: forcing a failure. [ 43.543474][ T355] name failslab, interval 1, probability 0, space 0, times 0 [ 43.557154][ T355] CPU: 0 PID: 355 Comm: syz-executor.0 Not tainted syzkaller #0 [ 43.566147][ T355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 43.577179][ T355] Call Trace: [ 43.580560][ T355] [ 43.583615][ T355] __dump_stack+0x21/0x30 [ 43.588671][ T355] dump_stack_lvl+0x110/0x170 [ 43.593627][ T355] ? show_regs_print_info+0x20/0x20 [ 43.599115][ T355] ? avc_denied+0x1b0/0x1b0 [ 43.604503][ T355] dump_stack+0x15/0x20 [ 43.608882][ T355] should_fail+0x3c1/0x510 [ 43.613537][ T355] __should_failslab+0xa4/0xe0 [ 43.618776][ T355] should_failslab+0x9/0x20 [ 43.623498][ T355] slab_pre_alloc_hook+0x3b/0xe0 [ 43.628593][ T355] ? vm_area_dup+0x26/0x210 [ 43.633122][ T355] kmem_cache_alloc+0x44/0x260 [ 43.637968][ T355] vm_area_dup+0x26/0x210 [ 43.642306][ T355] copy_mm+0x947/0x13c0 [ 43.646475][ T355] ? copy_signal+0x600/0x600 [ 43.651334][ T355] ? __init_rwsem+0xfc/0x1d0 [ 43.656403][ T355] ? copy_signal+0x4cb/0x600 [ 43.661129][ T355] copy_process+0x117c/0x3250 [ 43.666359][ T355] ? __kasan_check_write+0x14/0x20 [ 43.672573][ T355] ? __pidfd_prepare+0x150/0x150 [ 43.678086][ T355] kernel_clone+0x233/0x960 [ 43.682899][ T355] ? create_io_thread+0x170/0x170 [ 43.688828][ T355] ? __kasan_check_write+0x14/0x20 [ 43.694789][ T355] ? mutex_unlock+0x8f/0x230 [ 43.700314][ T355] __x64_sys_clone+0x198/0x210 [ 43.705551][ T355] ? __kasan_check_write+0x14/0x20 [ 43.710706][ T355] ? __ia32_sys_vfork+0x130/0x130 [ 43.716065][ T355] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 43.723285][ T355] x64_sys_call+0x41f/0x9a0 [ 43.727978][ T355] do_syscall_64+0x4c/0xa0 [ 43.732698][ T355] ? clear_bhb_loop+0x50/0xa0 [ 43.737829][ T355] ? clear_bhb_loop+0x50/0xa0 [ 43.742524][ T355] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 43.749293][ T355] RIP: 0033:0x7f7c3c444079 [ 43.753823][ T355] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 43.774936][ T355] RSP: 002b:00007f7c3bfd6068 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 43.784745][ T355] RAX: ffffffffffffffda RBX: 00007f7c3c582f80 RCX: 00007f7c3c444079 [ 43.793694][ T355] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000600 [ 43.802774][ T355] RBP: 00007f7c3bfd6120 R08: 0000000000000000 R09: 0000000000000000 [ 43.812035][ T355] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 43.820619][ T355] R13: 000000000000000b R14: 00007f7c3c582f80 R15: 00007ffd9cb38698 [ 43.829212][ T355] [ 43.842178][ T358] FAULT_INJECTION: forcing a failure. [ 43.842178][ T358] name failslab, interval 1, probability 0, space 0, times 0 [ 43.855806][ T358] CPU: 0 PID: 358 Comm: syz-executor.0 Not tainted syzkaller #0 [ 43.864159][ T358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 43.875687][ T358] Call Trace: [ 43.879401][ T358] [ 43.882653][ T358] __dump_stack+0x21/0x30 [ 43.887076][ T358] dump_stack_lvl+0x110/0x170 [ 43.892240][ T358] ? show_regs_print_info+0x20/0x20 [ 43.898024][ T358] dump_stack+0x15/0x20 [ 43.902777][ T358] should_fail+0x3c1/0x510 [ 43.907839][ T358] __should_failslab+0xa4/0xe0 [ 43.913101][ T358] should_failslab+0x9/0x20 [ 43.917877][ T358] slab_pre_alloc_hook+0x3b/0xe0 [ 43.923550][ T358] ? anon_vma_fork+0x200/0x510 [ 43.928340][ T358] kmem_cache_alloc+0x44/0x260 [ 43.933688][ T358] anon_vma_fork+0x200/0x510 [ 43.938374][ T358] copy_mm+0x9de/0x13c0 [ 43.943056][ T358] ? copy_signal+0x600/0x600 [ 43.948044][ T358] ? __init_rwsem+0xfc/0x1d0 [ 43.952658][ T358] ? copy_signal+0x4cb/0x600 [ 43.957433][ T358] copy_process+0x117c/0x3250 [ 43.962403][ T358] ? __kasan_check_write+0x14/0x20 [ 43.967766][ T358] ? __pidfd_prepare+0x150/0x150 [ 43.973688][ T358] kernel_clone+0x233/0x960 [ 43.978307][ T358] ? create_io_thread+0x170/0x170 [ 43.983444][ T358] ? __kasan_check_write+0x14/0x20 [ 43.989077][ T358] ? mutex_unlock+0x8f/0x230 [ 43.994270][ T358] __x64_sys_clone+0x198/0x210 [ 43.999446][ T358] ? __kasan_check_write+0x14/0x20 [ 44.005645][ T358] ? __ia32_sys_vfork+0x130/0x130 [ 44.011696][ T358] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 44.018308][ T358] x64_sys_call+0x41f/0x9a0 [ 44.023251][ T358] do_syscall_64+0x4c/0xa0 [ 44.027781][ T358] ? clear_bhb_loop+0x50/0xa0 [ 44.032481][ T358] ? clear_bhb_loop+0x50/0xa0 [ 44.037637][ T358] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 44.043806][ T358] RIP: 0033:0x7f7c3c444079 [ 44.048561][ T358] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 44.070100][ T358] RSP: 002b:00007f7c3bfd6068 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 44.079011][ T358] RAX: ffffffffffffffda RBX: 00007f7c3c582f80 RCX: 00007f7c3c444079 [ 44.087889][ T358] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000600 [ 44.096722][ T358] RBP: 00007f7c3bfd6120 R08: 0000000000000000 R09: 0000000000000000 [ 44.105046][ T358] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 44.113759][ T358] R13: 000000000000000b R14: 00007f7c3c582f80 R15: 00007ffd9cb38698 [ 44.122644][ T358] [ 44.135738][ T360] FAULT_INJECTION: forcing a failure. [ 44.135738][ T360] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 44.150879][ T360] CPU: 0 PID: 360 Comm: syz-executor.0 Not tainted syzkaller #0 [ 44.159101][ T360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 44.170431][ T360] Call Trace: [ 44.174083][ T360] [ 44.177286][ T360] __dump_stack+0x21/0x30 [ 44.181916][ T360] dump_stack_lvl+0x110/0x170 [ 44.186718][ T360] ? show_regs_print_info+0x20/0x20 [ 44.192215][ T360] dump_stack+0x15/0x20 [ 44.196669][ T360] should_fail+0x3c1/0x510 [ 44.201333][ T360] should_fail_alloc_page+0x55/0x80 [ 44.206554][ T360] prepare_alloc_pages+0x156/0x610 [ 44.212033][ T360] ? __alloc_pages_bulk+0xad0/0xad0 [ 44.217464][ T360] __alloc_pages+0x11d/0x460 [ 44.222415][ T360] ? prep_new_page+0x110/0x110 [ 44.227472][ T360] ? arch_stack_walk+0xee/0x140 [ 44.232669][ T360] pte_alloc_one+0x70/0x190 [ 44.237369][ T360] ? pfn_modify_allowed+0x2f0/0x2f0 [ 44.242984][ T360] ? stack_trace_save+0xa6/0xf0 [ 44.248147][ T360] ? __stack_depot_save+0x34/0x480 [ 44.253852][ T360] ? copy_mm+0x9de/0x13c0 [ 44.258713][ T360] __pte_alloc+0x75/0x2a0 [ 44.263526][ T360] ? __kasan_slab_alloc+0xcf/0xf0 [ 44.268703][ T360] ? free_pgtables+0x280/0x280 [ 44.273702][ T360] ? anon_vma_fork+0x200/0x510 [ 44.278713][ T360] ? copy_mm+0x9de/0x13c0 [ 44.283540][ T360] ? copy_process+0x117c/0x3250 [ 44.288859][ T360] ? kernel_clone+0x233/0x960 [ 44.293707][ T360] ? __x64_sys_clone+0x198/0x210 [ 44.299108][ T360] copy_page_range+0x237c/0x28d0 [ 44.304676][ T360] ? pfn_valid+0x1d0/0x1d0 [ 44.309605][ T360] copy_mm+0xbf2/0x13c0 [ 44.313782][ T360] ? copy_signal+0x600/0x600 [ 44.319089][ T360] ? __init_rwsem+0xfc/0x1d0 [ 44.323881][ T360] ? copy_signal+0x4cb/0x600 [ 44.329026][ T360] copy_process+0x117c/0x3250 [ 44.333737][ T360] ? __kasan_check_write+0x14/0x20 [ 44.339171][ T360] ? __pidfd_prepare+0x150/0x150 [ 44.344420][ T360] kernel_clone+0x233/0x960 [ 44.348955][ T360] ? create_io_thread+0x170/0x170 [ 44.354160][ T360] ? __kasan_check_write+0x14/0x20 [ 44.359694][ T360] ? mutex_unlock+0x8f/0x230 [ 44.364391][ T360] __x64_sys_clone+0x198/0x210 [ 44.369312][ T360] ? __kasan_check_write+0x14/0x20 [ 44.374776][ T360] ? __ia32_sys_vfork+0x130/0x130 [ 44.380022][ T360] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 44.386929][ T360] x64_sys_call+0x41f/0x9a0 [ 44.391631][ T360] do_syscall_64+0x4c/0xa0 [ 44.396371][ T360] ? clear_bhb_loop+0x50/0xa0 [ 44.401300][ T360] ? clear_bhb_loop+0x50/0xa0 [ 44.406164][ T360] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 44.412518][ T360] RIP: 0033:0x7f7c3c444079 [ 44.417300][ T360] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 44.437615][ T360] RSP: 002b:00007f7c3bfd6068 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 44.446747][ T360] RAX: ffffffffffffffda RBX: 00007f7c3c582f80 RCX: 00007f7c3c444079 [ 44.455249][ T360] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000600 [ 44.463861][ T360] RBP: 00007f7c3bfd6120 R08: 0000000000000000 R09: 0000000000000000 [ 44.472430][ T360] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 44.480861][ T360] R13: 000000000000000b R14: 00007f7c3c582f80 R15: 00007ffd9cb38698 [ 44.489151][ T360] [ 44.500746][ T362] FAULT_INJECTION: forcing a failure. [ 44.500746][ T362] name failslab, interval 1, probability 0, space 0, times 0 [ 44.513984][ T362] CPU: 1 PID: 362 Comm: syz-executor.0 Not tainted syzkaller #0 [ 44.522719][ T362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 44.533069][ T362] Call Trace: [ 44.536448][ T362] [ 44.539386][ T362] __dump_stack+0x21/0x30 [ 44.543986][ T362] dump_stack_lvl+0x110/0x170 [ 44.548808][ T362] ? show_regs_print_info+0x20/0x20 [ 44.554531][ T362] dump_stack+0x15/0x20 [ 44.558924][ T362] should_fail+0x3c1/0x510 [ 44.563963][ T362] __should_failslab+0xa4/0xe0 [ 44.569413][ T362] should_failslab+0x9/0x20 [ 44.574194][ T362] slab_pre_alloc_hook+0x3b/0xe0 [ 44.579726][ T362] ? anon_vma_fork+0x200/0x510 [ 44.584607][ T362] kmem_cache_alloc+0x44/0x260 [ 44.589571][ T362] anon_vma_fork+0x200/0x510 [ 44.594287][ T362] copy_mm+0x9de/0x13c0 [ 44.599240][ T362] ? copy_signal+0x600/0x600 [ 44.604064][ T362] ? __init_rwsem+0xfc/0x1d0 [ 44.608901][ T362] ? copy_signal+0x4cb/0x600 [ 44.613876][ T362] copy_process+0x117c/0x3250 [ 44.618906][ T362] ? __kasan_check_write+0x14/0x20 [ 44.624031][ T362] ? __pidfd_prepare+0x150/0x150 [ 44.629373][ T362] kernel_clone+0x233/0x960 [ 44.634018][ T362] ? create_io_thread+0x170/0x170 [ 44.639585][ T362] ? __kasan_check_write+0x14/0x20 [ 44.645022][ T362] ? mutex_unlock+0x8f/0x230 [ 44.649840][ T362] __x64_sys_clone+0x198/0x210 [ 44.654710][ T362] ? __kasan_check_write+0x14/0x20 [ 44.660266][ T362] ? __ia32_sys_vfork+0x130/0x130 [ 44.665448][ T362] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 44.671725][ T362] x64_sys_call+0x41f/0x9a0 [ 44.676485][ T362] do_syscall_64+0x4c/0xa0 [ 44.681017][ T362] ? clear_bhb_loop+0x50/0xa0 [ 44.685966][ T362] ? clear_bhb_loop+0x50/0xa0 [ 44.691118][ T362] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 44.697583][ T362] RIP: 0033:0x7f7c3c444079 [ 44.702405][ T362] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 44.723294][ T362] RSP: 002b:00007f7c3bfd6068 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 44.731726][ T362] RAX: ffffffffffffffda RBX: 00007f7c3c582f80 RCX: 00007f7c3c444079 [ 44.740024][ T362] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000600 [ 44.748792][ T362] RBP: 00007f7c3bfd6120 R08: 0000000000000000 R09: 0000000000000000 [ 44.757295][ T362] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 44.765370][ T362] R13: 000000000000000b R14: 00007f7c3c582f80 R15: 00007ffd9cb38698 [ 44.773533][ T362] [ 44.784713][ T364] FAULT_INJECTION: forcing a failure. [ 44.784713][ T364] name failslab, interval 1, probability 0, space 0, times 0 [ 44.798400][ T364] CPU: 0 PID: 364 Comm: syz-executor.0 Not tainted syzkaller #0 [ 44.807158][ T364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 44.817753][ T364] Call Trace: [ 44.821062][ T364] [ 44.824119][ T364] __dump_stack+0x21/0x30 [ 44.828898][ T364] dump_stack_lvl+0x110/0x170 [ 44.833595][ T364] ? show_regs_print_info+0x20/0x20 [ 44.838866][ T364] dump_stack+0x15/0x20 [ 44.843879][ T364] should_fail+0x3c1/0x510 [ 44.848340][ T364] __should_failslab+0xa4/0xe0 [ 44.853124][ T364] should_failslab+0x9/0x20 [ 44.857764][ T364] slab_pre_alloc_hook+0x3b/0xe0 [ 44.863050][ T364] ? anon_vma_fork+0x200/0x510 [ 44.867831][ T364] kmem_cache_alloc+0x44/0x260 [ 44.872676][ T364] anon_vma_fork+0x200/0x510 [ 44.877623][ T364] copy_mm+0x9de/0x13c0 [ 44.881885][ T364] ? copy_signal+0x600/0x600 [ 44.886584][ T364] ? __init_rwsem+0xfc/0x1d0 [ 44.891193][ T364] ? copy_signal+0x4cb/0x600 [ 44.896225][ T364] copy_process+0x117c/0x3250 [ 44.901228][ T364] ? __kasan_check_write+0x14/0x20 [ 44.906536][ T364] ? __pidfd_prepare+0x150/0x150 [ 44.911703][ T364] kernel_clone+0x233/0x960 [ 44.916236][ T364] ? create_io_thread+0x170/0x170 [ 44.921517][ T364] ? __kasan_check_write+0x14/0x20 [ 44.926747][ T364] ? mutex_unlock+0x8f/0x230 [ 44.931700][ T364] __x64_sys_clone+0x198/0x210 [ 44.936895][ T364] ? __kasan_check_write+0x14/0x20 [ 44.942021][ T364] ? __ia32_sys_vfork+0x130/0x130 [ 44.947271][ T364] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 44.953633][ T364] x64_sys_call+0x41f/0x9a0 [ 44.958266][ T364] do_syscall_64+0x4c/0xa0 [ 44.962803][ T364] ? clear_bhb_loop+0x50/0xa0 [ 44.967915][ T364] ? clear_bhb_loop+0x50/0xa0 [ 44.972767][ T364] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 44.978775][ T364] RIP: 0033:0x7f7c3c444079 [ 44.983338][ T364] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 45.003944][ T364] RSP: 002b:00007f7c3bfd6068 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 45.012924][ T364] RAX: ffffffffffffffda RBX: 00007f7c3c582f80 RCX: 00007f7c3c444079 [ 45.021429][ T364] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000600 [ 45.029622][ T364] RBP: 00007f7c3bfd6120 R08: 0000000000000000 R09: 0000000000000000 [ 45.038197][ T364] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 45.046581][ T364] R13: 000000000000000b R14: 00007f7c3c582f80 R15: 00007ffd9cb38698 [ 45.054662][ T364] [ 45.068035][ T366] FAULT_INJECTION: forcing a failure. [ 45.068035][ T366] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 45.082040][ T366] CPU: 1 PID: 366 Comm: syz-executor.0 Not tainted syzkaller #0 [ 45.090538][ T366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 45.100718][ T366] Call Trace: [ 45.104018][ T366] [ 45.107193][ T366] __dump_stack+0x21/0x30 [ 45.111563][ T366] dump_stack_lvl+0x110/0x170 [ 45.116493][ T366] ? show_regs_print_info+0x20/0x20 [ 45.122073][ T366] dump_stack+0x15/0x20 [ 45.126854][ T366] should_fail+0x3c1/0x510 [ 45.131430][ T366] should_fail_alloc_page+0x55/0x80 [ 45.136949][ T366] prepare_alloc_pages+0x156/0x610 [ 45.142640][ T366] ? __alloc_pages_bulk+0xad0/0xad0 [ 45.148105][ T366] __alloc_pages+0x11d/0x460 [ 45.153280][ T366] ? prep_new_page+0x110/0x110 [ 45.158390][ T366] ? arch_stack_walk+0xee/0x140 [ 45.163868][ T366] pte_alloc_one+0x70/0x190 [ 45.168711][ T366] ? pfn_modify_allowed+0x2f0/0x2f0 [ 45.174122][ T366] ? stack_trace_save+0xa6/0xf0 [ 45.179111][ T366] ? __stack_depot_save+0x34/0x480 [ 45.184409][ T366] ? copy_mm+0x9de/0x13c0 [ 45.188896][ T366] __pte_alloc+0x75/0x2a0 [ 45.193321][ T366] ? __kasan_slab_alloc+0xcf/0xf0 [ 45.198685][ T366] ? free_pgtables+0x280/0x280 [ 45.203873][ T366] ? anon_vma_fork+0x200/0x510 [ 45.209000][ T366] ? copy_mm+0x9de/0x13c0 [ 45.213763][ T366] ? copy_process+0x117c/0x3250 [ 45.219349][ T366] ? kernel_clone+0x233/0x960 [ 45.224047][ T366] ? __x64_sys_clone+0x198/0x210 [ 45.229027][ T366] copy_page_range+0x237c/0x28d0 [ 45.234132][ T366] ? pfn_valid+0x1d0/0x1d0 [ 45.238563][ T366] copy_mm+0xbf2/0x13c0 [ 45.243054][ T366] ? copy_signal+0x600/0x600 [ 45.247876][ T366] ? __init_rwsem+0xfc/0x1d0 [ 45.252764][ T366] ? copy_signal+0x4cb/0x600 [ 45.257750][ T366] copy_process+0x117c/0x3250 [ 45.262548][ T366] ? __kasan_check_write+0x14/0x20 [ 45.268070][ T366] ? __pidfd_prepare+0x150/0x150 [ 45.273033][ T366] kernel_clone+0x233/0x960 [ 45.278007][ T366] ? create_io_thread+0x170/0x170 [ 45.283625][ T366] ? __kasan_check_write+0x14/0x20 [ 45.289104][ T366] ? mutex_unlock+0x8f/0x230 [ 45.293818][ T366] __x64_sys_clone+0x198/0x210 [ 45.298839][ T366] ? __kasan_check_write+0x14/0x20 [ 45.304748][ T366] ? __ia32_sys_vfork+0x130/0x130 [ 45.309876][ T366] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 45.316314][ T366] x64_sys_call+0x41f/0x9a0 [ 45.321462][ T366] do_syscall_64+0x4c/0xa0 [ 45.326073][ T366] ? clear_bhb_loop+0x50/0xa0 [ 45.330960][ T366] ? clear_bhb_loop+0x50/0xa0 [ 45.335917][ T366] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 45.342203][ T366] RIP: 0033:0x7f7c3c444079 [ 45.346796][ T366] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 45.367358][ T366] RSP: 002b:00007f7c3bfd6068 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 45.376477][ T366] RAX: ffffffffffffffda RBX: 00007f7c3c582f80 RCX: 00007f7c3c444079 [ 45.384731][ T366] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000600 [ 45.393407][ T366] RBP: 00007f7c3bfd6120 R08: 0000000000000000 R09: 0000000000000000 [ 45.401935][ T366] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 45.410723][ T366] R13: 000000000000000b R14: 00007f7c3c582f80 R15: 00007ffd9cb38698 [ 45.419124][ T366] [ 45.430368][ T368] FAULT_INJECTION: forcing a failure. [ 45.430368][ T368] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 45.444256][ T368] CPU: 0 PID: 368 Comm: syz-executor.0 Not tainted syzkaller #0 [ 45.452754][ T368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 45.464643][ T368] Call Trace: [ 45.468676][ T368] [ 45.472121][ T368] __dump_stack+0x21/0x30 [ 45.477450][ T368] dump_stack_lvl+0x110/0x170 [ 45.482831][ T368] ? show_regs_print_info+0x20/0x20 [ 45.489022][ T368] ? kmem_cache_alloc+0x138/0x260 [ 45.494847][ T368] dump_stack+0x15/0x20 [ 45.500044][ T368] should_fail+0x3c1/0x510 [ 45.505082][ T368] should_fail_alloc_page+0x55/0x80 [ 45.511238][ T368] prepare_alloc_pages+0x156/0x610 [ 45.516716][ T368] ? __alloc_pages_bulk+0xad0/0xad0 [ 45.522945][ T368] __alloc_pages+0x11d/0x460 [ 45.527727][ T368] ? prep_new_page+0x110/0x110 [ 45.533024][ T368] ? arch_stack_walk+0xee/0x140 [ 45.537893][ T368] pte_alloc_one+0x70/0x190 [ 45.542494][ T368] ? pfn_modify_allowed+0x2f0/0x2f0 [ 45.548178][ T368] ? stack_trace_save+0xa6/0xf0 [ 45.553315][ T368] ? __stack_depot_save+0x34/0x480 [ 45.558619][ T368] ? copy_mm+0x9de/0x13c0 [ 45.563177][ T368] __pte_alloc+0x75/0x2a0 [ 45.567868][ T368] ? __kasan_slab_alloc+0xcf/0xf0 [ 45.573793][ T368] ? free_pgtables+0x280/0x280 [ 45.579333][ T368] ? anon_vma_fork+0x200/0x510 [ 45.584650][ T368] ? copy_mm+0x9de/0x13c0 [ 45.588996][ T368] ? copy_process+0x117c/0x3250 [ 45.593950][ T368] ? kernel_clone+0x233/0x960 [ 45.598736][ T368] ? __x64_sys_clone+0x198/0x210 [ 45.604115][ T368] copy_page_range+0x237c/0x28d0 [ 45.609363][ T368] ? pfn_valid+0x1d0/0x1d0 [ 45.613903][ T368] copy_mm+0xbf2/0x13c0 [ 45.618287][ T368] ? copy_signal+0x600/0x600 [ 45.623319][ T368] ? __init_rwsem+0xfc/0x1d0 [ 45.628689][ T368] ? copy_signal+0x4cb/0x600 [ 45.633734][ T368] copy_process+0x117c/0x3250 [ 45.638673][ T368] ? __kasan_check_write+0x14/0x20 [ 45.643861][ T368] ? __pidfd_prepare+0x150/0x150 [ 45.649232][ T368] kernel_clone+0x233/0x960 [ 45.653875][ T368] ? create_io_thread+0x170/0x170 [ 45.659223][ T368] ? __kasan_check_write+0x14/0x20 [ 45.664590][ T368] ? mutex_unlock+0x8f/0x230 [ 45.669383][ T368] __x64_sys_clone+0x198/0x210 [ 45.674296][ T368] ? __kasan_check_write+0x14/0x20 [ 45.679849][ T368] ? __ia32_sys_vfork+0x130/0x130 [ 45.684906][ T368] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 45.691261][ T368] x64_sys_call+0x41f/0x9a0 [ 45.696234][ T368] do_syscall_64+0x4c/0xa0 [ 45.700896][ T368] ? clear_bhb_loop+0x50/0xa0 [ 45.705891][ T368] ? clear_bhb_loop+0x50/0xa0 [ 45.710910][ T368] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 45.717444][ T368] RIP: 0033:0x7f7c3c444079 [ 45.721881][ T368] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 45.742149][ T368] RSP: 002b:00007f7c3bfd6068 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 45.751027][ T368] RAX: ffffffffffffffda RBX: 00007f7c3c582f80 RCX: 00007f7c3c444079 [ 45.759117][ T368] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000600 [ 45.767211][ T368] RBP: 00007f7c3bfd6120 R08: 0000000000000000 R09: 0000000000000000 [ 45.775780][ T368] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 45.784336][ T368] R13: 000000000000000b R14: 00007f7c3c582f80 R15: 00007ffd9cb38698 [ 45.793871][ T368] [ 45.806721][ T370] FAULT_INJECTION: forcing a failure. [ 45.806721][ T370] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 45.821245][ T370] CPU: 0 PID: 370 Comm: syz-executor.0 Not tainted syzkaller #0 [ 45.829138][ T370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 45.839373][ T370] Call Trace: [ 45.842660][ T370] [ 45.845597][ T370] __dump_stack+0x21/0x30 [ 45.850262][ T370] dump_stack_lvl+0x110/0x170 [ 45.855158][ T370] ? show_regs_print_info+0x20/0x20 [ 45.860699][ T370] ? kmem_cache_alloc+0x138/0x260 [ 45.866018][ T370] dump_stack+0x15/0x20 [ 45.870505][ T370] should_fail+0x3c1/0x510 [ 45.875533][ T370] should_fail_alloc_page+0x55/0x80 [ 45.881140][ T370] prepare_alloc_pages+0x156/0x610 [ 45.886534][ T370] ? __alloc_pages_bulk+0xad0/0xad0 [ 45.892134][ T370] __alloc_pages+0x11d/0x460 [ 45.896798][ T370] ? prep_new_page+0x110/0x110 [ 45.901821][ T370] ? arch_stack_walk+0xee/0x140 [ 45.906881][ T370] pte_alloc_one+0x70/0x190 [ 45.911899][ T370] ? pfn_modify_allowed+0x2f0/0x2f0 [ 45.917736][ T370] ? stack_trace_save+0xa6/0xf0 [ 45.923594][ T370] ? __stack_depot_save+0x34/0x480 [ 45.929375][ T370] ? copy_mm+0x9de/0x13c0 [ 45.934358][ T370] __pte_alloc+0x75/0x2a0 [ 45.940101][ T370] ? __kasan_slab_alloc+0xcf/0xf0 [ 45.945813][ T370] ? free_pgtables+0x280/0x280 [ 45.952445][ T370] ? anon_vma_fork+0x200/0x510 [ 45.957880][ T370] ? copy_mm+0x9de/0x13c0 [ 45.963383][ T370] ? copy_process+0x117c/0x3250 [ 45.969086][ T370] ? kernel_clone+0x233/0x960 [ 45.976779][ T370] ? __x64_sys_clone+0x198/0x210 [ 45.983255][ T370] copy_page_range+0x237c/0x28d0 [ 45.988968][ T370] ? pfn_valid+0x1d0/0x1d0 [ 45.994864][ T370] copy_mm+0xbf2/0x13c0 [ 45.999543][ T370] ? copy_signal+0x600/0x600 [ 46.004201][ T370] ? __init_rwsem+0xfc/0x1d0 [ 46.009739][ T370] ? copy_signal+0x4cb/0x600 [ 46.015537][ T370] copy_process+0x117c/0x3250 [ 46.020783][ T370] ? __kasan_check_write+0x14/0x20 [ 46.026739][ T370] ? __pidfd_prepare+0x150/0x150 [ 46.031801][ T370] kernel_clone+0x233/0x960 [ 46.036712][ T370] ? create_io_thread+0x170/0x170 [ 46.042181][ T370] ? __kasan_check_write+0x14/0x20 [ 46.047408][ T370] ? mutex_unlock+0x8f/0x230 [ 46.052423][ T370] __x64_sys_clone+0x198/0x210 [ 46.057240][ T370] ? __kasan_check_write+0x14/0x20 [ 46.062412][ T370] ? __ia32_sys_vfork+0x130/0x130 [ 46.067891][ T370] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 46.074861][ T370] x64_sys_call+0x41f/0x9a0 [ 46.081520][ T370] do_syscall_64+0x4c/0xa0 [ 46.086256][ T370] ? clear_bhb_loop+0x50/0xa0 [ 46.091226][ T370] ? clear_bhb_loop+0x50/0xa0 [ 46.096115][ T370] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 46.102230][ T370] RIP: 0033:0x7f7c3c444079 [ 46.107030][ T370] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 46.128772][ T370] RSP: 002b:00007f7c3bfd6068 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 46.137491][ T370] RAX: ffffffffffffffda RBX: 00007f7c3c582f80 RCX: 00007f7c3c444079 [ 46.145754][ T370] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000600 [ 46.154402][ T370] RBP: 00007f7c3bfd6120 R08: 0000000000000000 R09: 0000000000000000 [ 46.162776][ T370] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 46.171222][ T370] R13: 000000000000000b R14: 00007f7c3c582f80 R15: 00007ffd9cb38698 [ 46.180073][ T370] [ 46.201415][ T373] FAULT_INJECTION: forcing a failure. [ 46.201415][ T373] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 46.237424][ T373] CPU: 1 PID: 373 Comm: syz-executor.0 Not tainted syzkaller #0 [ 46.246623][ T373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 46.263367][ T373] Call Trace: [ 46.268672][ T373] [ 46.273571][ T373] __dump_stack+0x21/0x30 [ 46.280403][ T373] dump_stack_lvl+0x110/0x170 [ 46.287162][ T373] ? show_regs_print_info+0x20/0x20 [ 46.294956][ T373] dump_stack+0x15/0x20 [ 46.301493][ T373] should_fail+0x3c1/0x510 [ 46.308514][ T373] should_fail_alloc_page+0x55/0x80 [ 46.314644][ T373] prepare_alloc_pages+0x156/0x610 [ 46.320788][ T373] ? __alloc_pages_bulk+0xad0/0xad0 [ 46.326472][ T373] __alloc_pages+0x11d/0x460 [ 46.331775][ T373] ? prep_new_page+0x110/0x110 [ 46.338049][ T373] ? arch_stack_walk+0xee/0x140 [ 46.344100][ T373] pte_alloc_one+0x70/0x190 [ 46.349133][ T373] ? pfn_modify_allowed+0x2f0/0x2f0 [ 46.354855][ T373] ? stack_trace_save+0xa6/0xf0 [ 46.360327][ T373] ? __stack_depot_save+0x34/0x480 [ 46.366153][ T373] ? copy_mm+0x9de/0x13c0 [ 46.370943][ T373] __pte_alloc+0x75/0x2a0 [ 46.375620][ T373] ? __kasan_check_write+0x14/0x20 [ 46.381199][ T373] ? _raw_spin_lock+0x94/0xf0 [ 46.386080][ T373] ? free_pgtables+0x280/0x280 [ 46.390873][ T373] ? __kasan_check_write+0x14/0x20 [ 46.397575][ T373] copy_page_range+0x237c/0x28d0 [ 46.403847][ T373] ? pfn_valid+0x1d0/0x1d0 [ 46.408992][ T373] copy_mm+0xbf2/0x13c0 [ 46.414487][ T373] ? copy_signal+0x600/0x600 [ 46.422409][ T373] ? __init_rwsem+0xfc/0x1d0 [ 46.427291][ T373] ? copy_signal+0x4cb/0x600 [ 46.432199][ T373] copy_process+0x117c/0x3250 [ 46.437151][ T373] ? __kasan_check_write+0x14/0x20 [ 46.443546][ T373] ? __pidfd_prepare+0x150/0x150 [ 46.449120][ T373] kernel_clone+0x233/0x960 [ 46.454580][ T373] ? create_io_thread+0x170/0x170 [ 46.460290][ T373] ? __kasan_check_write+0x14/0x20 [ 46.465719][ T373] ? mutex_unlock+0x8f/0x230 [ 46.470942][ T373] __x64_sys_clone+0x198/0x210 [ 46.476327][ T373] ? __kasan_check_write+0x14/0x20 [ 46.481627][ T373] ? __ia32_sys_vfork+0x130/0x130 [ 46.487157][ T373] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 46.495461][ T373] x64_sys_call+0x41f/0x9a0 [ 46.500395][ T373] do_syscall_64+0x4c/0xa0 [ 46.505706][ T373] ? clear_bhb_loop+0x50/0xa0 [ 46.511527][ T373] ? clear_bhb_loop+0x50/0xa0 [ 46.517779][ T373] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 46.524266][ T373] RIP: 0033:0x7f7c3c444079 [ 46.529143][ T373] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 46.550209][ T373] RSP: 002b:00007f7c3bfd6068 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 46.559638][ T373] RAX: ffffffffffffffda RBX: 00007f7c3c582f80 RCX: 00007f7c3c444079 [ 46.568061][ T373] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000600 [ 46.577279][ T373] RBP: 00007f7c3bfd6120 R08: 0000000000000000 R09: 0000000000000000 [ 46.586553][ T373] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 46.594802][ T373] R13: 000000000000000b R14: 00007f7c3c582f80 R15: 00007ffd9cb38698 2026/02/20 21:43:15 executed programs: 14 [ 46.603253][ T373] [ 46.657751][ T376] FAULT_INJECTION: forcing a failure. [ 46.657751][ T376] name failslab, interval 1, probability 0, space 0, times 0 [ 46.670953][ T376] CPU: 0 PID: 376 Comm: syz-executor.0 Not tainted syzkaller #0 [ 46.679123][ T376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 46.690289][ T376] Call Trace: [ 46.693763][ T376] [ 46.697728][ T376] __dump_stack+0x21/0x30 [ 46.702313][ T376] dump_stack_lvl+0x110/0x170 [ 46.707517][ T376] ? show_regs_print_info+0x20/0x20 [ 46.713356][ T376] dump_stack+0x15/0x20 [ 46.717867][ T376] should_fail+0x3c1/0x510 [ 46.722905][ T376] __should_failslab+0xa4/0xe0 [ 46.727693][ T376] should_failslab+0x9/0x20 [ 46.732805][ T376] slab_pre_alloc_hook+0x3b/0xe0 [ 46.737940][ T376] ? anon_vma_fork+0x200/0x510 [ 46.742732][ T376] kmem_cache_alloc+0x44/0x260 [ 46.747851][ T376] anon_vma_fork+0x200/0x510 [ 46.752528][ T376] copy_mm+0x9de/0x13c0 [ 46.756986][ T376] ? copy_signal+0x600/0x600 [ 46.761589][ T376] ? __init_rwsem+0xfc/0x1d0 [ 46.766727][ T376] ? copy_signal+0x4cb/0x600 [ 46.772169][ T376] copy_process+0x117c/0x3250 [ 46.776978][ T376] ? __kasan_check_write+0x14/0x20 [ 46.782662][ T376] ? __pidfd_prepare+0x150/0x150 [ 46.787619][ T376] kernel_clone+0x233/0x960 [ 46.792363][ T376] ? create_io_thread+0x170/0x170 [ 46.797528][ T376] ? __kasan_check_write+0x14/0x20 [ 46.802866][ T376] ? mutex_unlock+0x8f/0x230 [ 46.807713][ T376] __x64_sys_clone+0x198/0x210 [ 46.812995][ T376] ? __kasan_check_write+0x14/0x20 [ 46.818699][ T376] ? __ia32_sys_vfork+0x130/0x130 [ 46.824107][ T376] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 46.830199][ T376] x64_sys_call+0x41f/0x9a0 [ 46.834720][ T376] do_syscall_64+0x4c/0xa0 [ 46.839353][ T376] ? clear_bhb_loop+0x50/0xa0 [ 46.844436][ T376] ? clear_bhb_loop+0x50/0xa0 [ 46.849435][ T376] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 46.855698][ T376] RIP: 0033:0x7f7c3c444079 [ 46.860178][ T376] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 46.880849][ T376] RSP: 002b:00007f7c3bfd6068 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 46.890069][ T376] RAX: ffffffffffffffda RBX: 00007f7c3c582f80 RCX: 00007f7c3c444079 [ 46.898724][ T376] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000600 [ 46.907330][ T376] RBP: 00007f7c3bfd6120 R08: 0000000000000000 R09: 0000000000000000 [ 46.915963][ T376] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 46.924697][ T376] R13: 000000000000000b R14: 00007f7c3c582f80 R15: 00007ffd9cb38698 [ 46.932943][ T376] [ 46.943191][ T378] FAULT_INJECTION: forcing a failure. [ 46.943191][ T378] name failslab, interval 1, probability 0, space 0, times 0 [ 46.956849][ T378] CPU: 0 PID: 378 Comm: syz-executor.0 Not tainted syzkaller #0 [ 46.964542][ T378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 46.975805][ T378] Call Trace: [ 46.979106][ T378] [ 46.982316][ T378] __dump_stack+0x21/0x30 [ 46.987062][ T378] dump_stack_lvl+0x110/0x170 [ 46.992111][ T378] ? show_regs_print_info+0x20/0x20 [ 46.997623][ T378] dump_stack+0x15/0x20 [ 47.002101][ T378] should_fail+0x3c1/0x510 [ 47.006528][ T378] __should_failslab+0xa4/0xe0 [ 47.011491][ T378] should_failslab+0x9/0x20 [ 47.016152][ T378] slab_pre_alloc_hook+0x3b/0xe0 [ 47.021393][ T378] ? anon_vma_fork+0x200/0x510 [ 47.026188][ T378] kmem_cache_alloc+0x44/0x260 [ 47.031049][ T378] anon_vma_fork+0x200/0x510 [ 47.035748][ T378] copy_mm+0x9de/0x13c0 [ 47.040011][ T378] ? copy_signal+0x600/0x600 [ 47.044782][ T378] ? __init_rwsem+0xfc/0x1d0 [ 47.050051][ T378] ? copy_signal+0x4cb/0x600 [ 47.054750][ T378] copy_process+0x117c/0x3250 [ 47.059729][ T378] ? __kasan_check_write+0x14/0x20 [ 47.065562][ T378] ? __pidfd_prepare+0x150/0x150 [ 47.070590][ T378] kernel_clone+0x233/0x960 [ 47.075306][ T378] ? create_io_thread+0x170/0x170 [ 47.081076][ T378] ? __kasan_check_write+0x14/0x20 [ 47.086390][ T378] ? mutex_unlock+0x8f/0x230 [ 47.091098][ T378] __x64_sys_clone+0x198/0x210 [ 47.096272][ T378] ? __kasan_check_write+0x14/0x20 [ 47.101635][ T378] ? __ia32_sys_vfork+0x130/0x130 [ 47.107056][ T378] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 47.113404][ T378] x64_sys_call+0x41f/0x9a0 [ 47.118179][ T378] do_syscall_64+0x4c/0xa0 [ 47.122974][ T378] ? clear_bhb_loop+0x50/0xa0 [ 47.127876][ T378] ? clear_bhb_loop+0x50/0xa0 [ 47.133220][ T378] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 47.139254][ T378] RIP: 0033:0x7f7c3c444079 [ 47.144130][ T378] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 47.165400][ T378] RSP: 002b:00007f7c3bfd6068 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 47.174249][ T378] RAX: ffffffffffffffda RBX: 00007f7c3c582f80 RCX: 00007f7c3c444079 [ 47.183801][ T378] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000600 [ 47.192895][ T378] RBP: 00007f7c3bfd6120 R08: 0000000000000000 R09: 0000000000000000 [ 47.201470][ T378] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 47.209970][ T378] R13: 000000000000000b R14: 00007f7c3c582f80 R15: 00007ffd9cb38698 [ 47.218274][ T378] [ 47.221892][ T378] ================================================================== [ 47.230149][ T378] BUG: KASAN: double-free or invalid-free in kfree+0xc4/0x270 [ 47.237982][ T378] [ 47.240388][ T378] CPU: 0 PID: 378 Comm: syz-executor.0 Not tainted syzkaller #0 [ 47.248559][ T378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 47.259493][ T378] Call Trace: [ 47.263679][ T378] [ 47.267093][ T378] __dump_stack+0x21/0x30 [ 47.272428][ T378] dump_stack_lvl+0x110/0x170 [ 47.277977][ T378] ? show_regs_print_info+0x20/0x20 [ 47.283616][ T378] ? load_image+0x3e0/0x3e0 [ 47.289884][ T378] ? kmem_cache_free+0x100/0x320 [ 47.295788][ T378] print_address_description+0x7f/0x2c0 [ 47.302927][ T378] ? kfree+0xc4/0x270 [ 47.307224][ T378] kasan_report_invalid_free+0x58/0x90 [ 47.312740][ T378] ? kfree+0xc4/0x270 [ 47.316825][ T378] ____kasan_slab_free+0x13d/0x160 [ 47.322581][ T378] __kasan_slab_free+0x11/0x20 [ 47.327675][ T378] slab_free_freelist_hook+0xc2/0x190 [ 47.333193][ T378] ? anon_vma_name_free+0x15/0x20 [ 47.338239][ T378] kfree+0xc4/0x270 [ 47.342322][ T378] ? anon_vma_name_free+0x15/0x20 [ 47.347716][ T378] anon_vma_name_free+0x15/0x20 [ 47.352761][ T378] vm_area_free_no_check+0xa9/0x140 [ 47.358179][ T378] copy_mm+0xe90/0x13c0 [ 47.362635][ T378] ? copy_signal+0x600/0x600 [ 47.367745][ T378] ? __init_rwsem+0xfc/0x1d0 [ 47.372865][ T378] ? copy_signal+0x4cb/0x600 [ 47.377733][ T378] copy_process+0x117c/0x3250 [ 47.383012][ T378] ? __kasan_check_write+0x14/0x20 [ 47.388712][ T378] ? __pidfd_prepare+0x150/0x150 [ 47.393865][ T378] kernel_clone+0x233/0x960 [ 47.398845][ T378] ? create_io_thread+0x170/0x170 [ 47.404600][ T378] ? __kasan_check_write+0x14/0x20 [ 47.410110][ T378] ? mutex_unlock+0x8f/0x230 [ 47.415517][ T378] __x64_sys_clone+0x198/0x210 [ 47.420675][ T378] ? __kasan_check_write+0x14/0x20 [ 47.426100][ T378] ? __ia32_sys_vfork+0x130/0x130 [ 47.431349][ T378] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 47.438074][ T378] x64_sys_call+0x41f/0x9a0 [ 47.443384][ T378] do_syscall_64+0x4c/0xa0 [ 47.448257][ T378] ? clear_bhb_loop+0x50/0xa0 [ 47.453132][ T378] ? clear_bhb_loop+0x50/0xa0 [ 47.458401][ T378] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 47.465275][ T378] RIP: 0033:0x7f7c3c444079 [ 47.470176][ T378] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 47.491957][ T378] RSP: 002b:00007f7c3bfd6068 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 47.500488][ T378] RAX: ffffffffffffffda RBX: 00007f7c3c582f80 RCX: 00007f7c3c444079 [ 47.509139][ T378] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000600 [ 47.517868][ T378] RBP: 00007f7c3bfd6120 R08: 0000000000000000 R09: 0000000000000000 [ 47.526121][ T378] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 47.534398][ T378] R13: 000000000000000b R14: 00007f7c3c582f80 R15: 00007ffd9cb38698 [ 47.543123][ T378] [ 47.546266][ T378] [ 47.548607][ T378] Allocated by task 332: [ 47.553201][ T378] __kasan_slab_alloc+0xbd/0xf0 [ 47.558274][ T378] slab_post_alloc_hook+0x4f/0x2b0 [ 47.563402][ T378] kmem_cache_alloc+0xf7/0x260 [ 47.568530][ T378] vm_area_alloc+0x24/0x130 [ 47.573858][ T378] mmap_region+0xaa6/0x1710 [ 47.578848][ T378] do_mmap+0x812/0xf10 [ 47.583046][ T378] vm_mmap_pgoff+0x1ec/0x430 [ 47.587751][ T378] vm_mmap+0x87/0xb0 [ 47.591792][ T378] elf_map+0x190/0x230 [ 47.595959][ T378] load_elf_binary+0x1092/0x28e0 [ 47.601171][ T378] bprm_execve+0x7af/0x1490 [ 47.605797][ T378] do_execveat_common+0x923/0xa80 [ 47.610925][ T378] __x64_sys_execve+0x92/0xb0 [ 47.615622][ T378] x64_sys_call+0x919/0x9a0 [ 47.620314][ T378] do_syscall_64+0x4c/0xa0 [ 47.624753][ T378] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 47.630750][ T378] [ 47.633092][ T378] Last potentially related work creation: [ 47.638903][ T378] kasan_save_stack+0x3a/0x60 [ 47.643794][ T378] __kasan_record_aux_stack+0xd2/0x100 [ 47.649380][ T378] kasan_record_aux_stack_noalloc+0xb/0x10 [ 47.655315][ T378] call_rcu+0x10b/0xf80 [ 47.659574][ T378] vm_area_free_no_check+0x10e/0x140 [ 47.664973][ T378] vm_area_free+0x56/0x60 [ 47.669788][ T378] __do_munmap+0xc3d/0x1020 [ 47.674312][ T378] mmap_region+0x91e/0x1710 [ 47.679099][ T378] do_mmap+0x812/0xf10 [ 47.683284][ T378] vm_mmap_pgoff+0x1ec/0x430 [ 47.687888][ T378] ksys_mmap_pgoff+0x161/0x1d0 [ 47.692777][ T378] __x64_sys_mmap+0xfa/0x110 [ 47.697394][ T378] x64_sys_call+0x83/0x9a0 [ 47.702131][ T378] do_syscall_64+0x4c/0xa0 [ 47.706658][ T378] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 47.713133][ T378] [ 47.715552][ T378] The buggy address belongs to the object at ffff88810d70f4a0 [ 47.715552][ T378] which belongs to the cache vm_area_struct of size 232 [ 47.730152][ T378] The buggy address is located 88 bytes inside of [ 47.730152][ T378] 232-byte region [ffff88810d70f4a0, ffff88810d70f588) [ 47.743730][ T378] The buggy address belongs to the page: [ 47.749602][ T378] page:ffffea000435c3c0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10d70f [ 47.760335][ T378] flags: 0x4000000000000200(slab|zone=1) [ 47.766222][ T378] raw: 4000000000000200 0000000000000000 0000000500000001 ffff888100187380 [ 47.775188][ T378] raw: 0000000000000000 00000000000d000d 00000001ffffffff 0000000000000000 [ 47.784357][ T378] page dumped because: kasan: bad access detected [ 47.790968][ T378] page_owner tracks the page as allocated [ 47.797297][ T378] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 82, ts 5633994204, free_ts 0 [ 47.812995][ T378] post_alloc_hook+0x192/0x1b0 [ 47.817980][ T378] prep_new_page+0x1c/0x110 [ 47.822933][ T378] get_page_from_freelist+0x2d3a/0x2dc0 [ 47.828519][ T378] __alloc_pages+0x1a2/0x460 [ 47.833299][ T378] new_slab+0xa1/0x4d0 [ 47.837837][ T378] ___slab_alloc+0x381/0x810 [ 47.842491][ T378] __slab_alloc+0x49/0x90 [ 47.846988][ T378] kmem_cache_alloc+0x138/0x260 [ 47.852188][ T378] vm_area_alloc+0x24/0x130 [ 47.856721][ T378] mmap_region+0xaa6/0x1710 [ 47.861246][ T378] do_mmap+0x812/0xf10 [ 47.865457][ T378] vm_mmap_pgoff+0x1ec/0x430 [ 47.870739][ T378] ksys_mmap_pgoff+0xf6/0x1d0 [ 47.875615][ T378] __x64_sys_mmap+0xfa/0x110 [ 47.880218][ T378] x64_sys_call+0x83/0x9a0 [ 47.885174][ T378] do_syscall_64+0x4c/0xa0 [ 47.889837][ T378] page_owner free stack trace missing [ 47.895241][ T378] [ 47.897588][ T378] Memory state around the buggy address: [ 47.903240][ T378] ffff88810d70f380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 47.911860][ T378] ffff88810d70f400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 47.920053][ T378] >ffff88810d70f480: fc fc fc fc 00 00 00 00 00 00 00 00 00 00 00 00 [ 47.928412][ T378] ^ [ 47.936488][ T378] ffff88810d70f500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 47.944813][ T378] ffff88810d70f580: 00 fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 [ 47.953457][ T378] ================================================================== [ 47.962160][ T378] Disabling lock debugging due to kernel taint [ 47.974022][ T30] audit: type=1400 audit(1771623797.302:93): avc: denied { read } for pid=82 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 47.988220][ T380] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN [ 48.009278][ T380] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 48.013409][ T30] audit: type=1400 audit(1771623797.302:94): avc: denied { search } for pid=82 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 48.018344][ T380] CPU: 0 PID: 380 Comm: syz-executor.0 Tainted: G B syzkaller #0 [ 48.041842][ T30] audit: type=1400 audit(1771623797.302:95): avc: denied { write } for pid=82 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 48.050183][ T380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 48.050234][ T380] RIP: 0010:__rb_insert_augmented+0xa9/0x720 [ 48.074410][ T30] audit: type=1400 audit(1771623797.302:96): avc: denied { add_name } for pid=82 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 48.085500][ T380] Code: 38 ff 49 8b 07 a8 01 0f 85 53 06 00 00 4c 89 65 c8 48 89 45 d0 4c 8d 70 08 4c 89 f3 48 c1 eb 03 48 b8 00 00 00 00 00 fc ff df <80> 3c 03 00 74 08 4c 89 f7 e8 b9 22 38 ff 4d 8b 26 4d 39 fc 74 34 [ 48.085525][ T380] RSP: 0018:ffffc90000ec78c0 EFLAGS: 00010202 [ 48.085542][ T380] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: dffffc0000000000 [ 48.085556][ T380] RDX: ffffffff819ca290 RSI: ffff888111db2080 RDI: ffff88811f7d8748 [ 48.093346][ T30] audit: type=1400 audit(1771623797.302:97): avc: denied { create } for pid=82 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 48.113916][ T380] RBP: ffffc90000ec7920 R08: ffff88811f7d875f R09: ffff88811f7d8750 [ 48.113939][ T380] R10: dffffc0000000000 R11: ffffed1023efb0ec R12: ffff88811fd75d10 [ 48.113952][ T380] R13: 1ffff11021ae1e9f R14: 0000000000000008 R15: ffff88810d70f4f8 [ 48.113965][ T380] FS: 00007f7c3bfd66c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 48.113982][ T380] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.136477][ T30] audit: type=1400 audit(1771623797.302:98): avc: denied { append open } for pid=82 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 48.142058][ T380] CR2: 00007f7c3c4b5adf CR3: 000000011f7c8000 CR4: 00000000003506b0 [ 48.142078][ T380] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.142089][ T380] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.142101][ T380] Call Trace: [ 48.142106][ T380] [ 48.142112][ T380] ? anon_vma_interval_tree_iter_next+0x380/0x380 [ 48.151472][ T30] audit: type=1400 audit(1771623797.302:99): avc: denied { getattr } for pid=82 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 48.158920][ T380] vma_interval_tree_insert_after+0x2a1/0x2b0 [ 48.320777][ T380] copy_mm+0xb2d/0x13c0 [ 48.325336][ T380] ? copy_signal+0x600/0x600 [ 48.330288][ T380] ? __init_rwsem+0xfc/0x1d0 [ 48.335270][ T380] ? copy_signal+0x4cb/0x600 [ 48.339879][ T380] copy_process+0x117c/0x3250 [ 48.344675][ T380] ? __kasan_check_write+0x14/0x20 [ 48.350070][ T380] ? __pidfd_prepare+0x150/0x150 [ 48.355478][ T380] kernel_clone+0x233/0x960 [ 48.360255][ T380] ? create_io_thread+0x170/0x170 [ 48.366194][ T380] ? __kasan_check_write+0x14/0x20 [ 48.371849][ T380] ? mutex_unlock+0x8f/0x230 [ 48.376719][ T380] __x64_sys_clone+0x198/0x210 [ 48.382515][ T380] ? __kasan_check_write+0x14/0x20 [ 48.387960][ T380] ? __ia32_sys_vfork+0x130/0x130 [ 48.393089][ T380] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 48.399562][ T380] x64_sys_call+0x41f/0x9a0 [ 48.404245][ T380] do_syscall_64+0x4c/0xa0 [ 48.408771][ T380] ? clear_bhb_loop+0x50/0xa0 [ 48.413561][ T380] ? clear_bhb_loop+0x50/0xa0 [ 48.418467][ T380] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 48.424679][ T380] RIP: 0033:0x7f7c3c444079 [ 48.429199][ T380] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 48.449810][ T380] RSP: 002b:00007f7c3bfd6068 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 48.459264][ T380] RAX: ffffffffffffffda RBX: 00007f7c3c582f80 RCX: 00007f7c3c444079 [ 48.468253][ T380] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000600 [ 48.477257][ T380] RBP: 00007f7c3bfd6120 R08: 0000000000000000 R09: 0000000000000000 [ 48.485621][ T380] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 48.494280][ T380] R13: 000000000000000b R14: 00007f7c3c582f80 R15: 00007ffd9cb38698 [ 48.502473][ T380] [ 48.505521][ T380] Modules linked in: [ 48.510498][ T380] ---[ end trace 1c8c6416946449e0 ]--- [ 48.516235][ T380] RIP: 0010:__rb_insert_augmented+0xa9/0x720 [ 48.522699][ T380] Code: 38 ff 49 8b 07 a8 01 0f 85 53 06 00 00 4c 89 65 c8 48 89 45 d0 4c 8d 70 08 4c 89 f3 48 c1 eb 03 48 b8 00 00 00 00 00 fc ff df <80> 3c 03 00 74 08 4c 89 f7 e8 b9 22 38 ff 4d 8b 26 4d 39 fc 74 34 [ 48.542992][ T380] RSP: 0018:ffffc90000ec78c0 EFLAGS: 00010202 [ 48.549333][ T380] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: dffffc0000000000 [ 48.557506][ T380] RDX: ffffffff819ca290 RSI: ffff888111db2080 RDI: ffff88811f7d8748 [ 48.566630][ T380] RBP: ffffc90000ec7920 R08: ffff88811f7d875f R09: ffff88811f7d8750 [ 48.575541][ T380] R10: dffffc0000000000 R11: ffffed1023efb0ec R12: ffff88811fd75d10 [ 48.585022][ T380] R13: 1ffff11021ae1e9f R14: 0000000000000008 R15: ffff88810d70f4f8 [ 48.593521][ T380] FS: 00007f7c3bfd66c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 48.602894][ T380] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.610179][ T380] CR2: 0000555583669450 CR3: 000000011f7c8000 CR4: 00000000003506b0 [ 48.618811][ T380] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.626825][ T380] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.635505][ T380] Kernel panic - not syncing: Fatal exception [ 48.642545][ T380] Kernel Offset: disabled [ 48.647147][ T380] Rebooting in 86400 seconds..