0000000000000000 R09: 0000000000000000 [ 54.070864][ T505] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.078949][ T505] R13: 000000000000000b R14: 00007f2556ac7f80 R15: 00007ffc572e2ed8 [ 54.087147][ T505] [ 54.091307][ T507] CPU: 1 PID: 507 Comm: syz-executor.1 Not tainted syzkaller #0 [ 54.093674][ T500] ? copy_signal+0x600/0x600 [ 54.099084][ T507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 54.099101][ T507] Call Trace: [ 54.099108][ T507] [ 54.099116][ T507] __dump_stack+0x21/0x30 [ 54.103935][ T500] ? __init_rwsem+0xfc/0x1d0 [ 54.114247][ T507] dump_stack_lvl+0xee/0x150 [ 54.114283][ T507] ? show_regs_print_info+0x20/0x20 [ 54.118027][ T500] ? copy_signal+0x4cb/0x600 [ 54.120947][ T507] dump_stack+0x15/0x20 [ 54.120974][ T507] should_fail+0x3c1/0x510 [ 54.125467][ T500] copy_process+0x115c/0x3210 [ 54.129977][ T507] __should_failslab+0xa4/0xe0 [ 54.130005][ T507] should_failslab+0x9/0x20 [ 54.142830][ T500] ? __kasan_check_write+0x14/0x20 [ 54.145484][ T507] slab_pre_alloc_hook+0x3b/0xe0 [ 54.145512][ T507] ? anon_vma_clone+0xc0/0x500 [ 54.145533][ T507] kmem_cache_alloc+0x44/0x260 [ 54.150277][ T500] ? __pidfd_prepare+0x150/0x150 [ 54.154240][ T507] anon_vma_clone+0xc0/0x500 [ 54.154274][ T507] anon_vma_fork+0x8c/0x510 [ 54.154297][ T507] copy_mm+0x9d1/0x13a0 [ 54.159417][ T500] ? security_file_permission+0x83/0xa0 [ 54.163850][ T507] ? copy_signal+0x600/0x600 [ 54.163874][ T507] ? __init_rwsem+0xfc/0x1d0 [ 54.163896][ T507] ? copy_signal+0x4cb/0x600 [ 54.163915][ T507] copy_process+0x115c/0x3210 [ 54.169127][ T500] kernel_clone+0x23f/0x940 [ 54.174372][ T507] ? __kasan_check_write+0x14/0x20 [ 54.174401][ T507] ? __pidfd_prepare+0x150/0x150 [ 54.174428][ T507] ? security_file_permission+0x83/0xa0 [ 54.180158][ T500] ? create_io_thread+0x130/0x130 [ 54.184558][ T507] kernel_clone+0x23f/0x940 [ 54.184586][ T507] ? create_io_thread+0x130/0x130 [ 54.184607][ T507] ? __kasan_check_write+0x14/0x20 [ 54.189949][ T500] ? __kasan_check_write+0x14/0x20 [ 54.194573][ T507] ? mutex_unlock+0x89/0x220 [ 54.194597][ T507] __x64_sys_clone+0x176/0x1d0 [ 54.194620][ T507] ? __kasan_check_write+0x14/0x20 [ 54.199688][ T500] ? mutex_unlock+0x89/0x220 [ 54.203981][ T507] ? __ia32_sys_vfork+0xf0/0xf0 [ 54.204011][ T507] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 54.204037][ T507] x64_sys_call+0x41f/0x9a0 [ 54.208649][ T500] __x64_sys_clone+0x176/0x1d0 [ 54.214028][ T507] do_syscall_64+0x4c/0xa0 [ 54.214053][ T507] ? clear_bhb_loop+0x50/0xa0 [ 54.214070][ T507] ? clear_bhb_loop+0x50/0xa0 [ 54.219067][ T500] ? __kasan_check_write+0x14/0x20 [ 54.223346][ T507] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 54.223373][ T507] RIP: 0033:0x7fe31a2afae9 [ 54.223390][ T507] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 54.223407][ T507] RSP: 002b:00007fe319e32078 EFLAGS: 00000246 [ 54.228396][ T500] ? __ia32_sys_vfork+0xf0/0xf0 [ 54.232960][ T507] ORIG_RAX: 0000000000000038 [ 54.232971][ T507] RAX: ffffffffffffffda RBX: 00007fe31a3cef80 RCX: 00007fe31a2afae9 [ 54.232986][ T507] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 54.232998][ T507] RBP: 00007fe319e32120 R08: 0000000000000000 R09: 0000000000000000 [ 54.233011][ T507] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.238179][ T500] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 54.243230][ T507] R13: 000000000000000b R14: 00007fe31a3cef80 R15: 00007ffdb5f74a38 [ 54.243253][ T507] [ 54.255663][ T515] FAULT_INJECTION: forcing a failure. [ 54.255663][ T515] name failslab, interval 1, probability 0, space 0, times 0 [ 54.269407][ T500] x64_sys_call+0x41f/0x9a0 [ 54.285009][ T517] FAULT_INJECTION: forcing a failure. [ 54.285009][ T517] name failslab, interval 1, probability 0, space 0, times 0 [ 54.289472][ T500] do_syscall_64+0x4c/0xa0 [ 54.294436][ T517] CPU: 1 PID: 517 Comm: syz-executor.3 Not tainted syzkaller #0 [ 54.299314][ T500] ? clear_bhb_loop+0x50/0xa0 [ 54.304012][ T517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 54.304025][ T517] Call Trace: [ 54.304031][ T517] [ 54.304038][ T517] __dump_stack+0x21/0x30 [ 54.304060][ T517] dump_stack_lvl+0xee/0x150 [ 54.304081][ T517] ? show_regs_print_info+0x20/0x20 [ 54.311174][ T500] ? clear_bhb_loop+0x50/0xa0 [ 54.315626][ T517] dump_stack+0x15/0x20 [ 54.315650][ T517] should_fail+0x3c1/0x510 [ 54.315670][ T517] __should_failslab+0xa4/0xe0 [ 54.315692][ T517] should_failslab+0x9/0x20 [ 54.322610][ T500] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 54.324959][ T517] slab_pre_alloc_hook+0x3b/0xe0 [ 54.324985][ T517] ? anon_vma_clone+0xc0/0x500 [ 54.325004][ T517] kmem_cache_alloc+0x44/0x260 [ 54.330183][ T500] RIP: 0033:0x7f18572fcae9 [ 54.334628][ T517] anon_vma_clone+0xc0/0x500 [ 54.334651][ T517] anon_vma_fork+0x8c/0x510 [ 54.334671][ T517] copy_mm+0x9d1/0x13a0 [ 54.340415][ T500] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 54.346023][ T517] ? copy_signal+0x600/0x600 [ 54.346047][ T517] ? __init_rwsem+0xfc/0x1d0 [ 54.346067][ T517] ? copy_signal+0x4cb/0x600 [ 54.346083][ T517] copy_process+0x115c/0x3210 [ 54.350974][ T500] RSP: 002b:00007f1856e5e078 EFLAGS: 00000246 [ 54.370716][ T517] ? __kasan_check_write+0x14/0x20 [ 54.370751][ T517] ? __pidfd_prepare+0x150/0x150 [ 54.370774][ T517] ? security_file_permission+0x83/0xa0 [ 54.370799][ T517] kernel_clone+0x23f/0x940 [ 54.370822][ T517] ? create_io_thread+0x130/0x130 [ 54.377678][ T500] ORIG_RAX: 0000000000000038 [ 54.382160][ T517] ? __kasan_check_write+0x14/0x20 [ 54.382191][ T517] ? mutex_unlock+0x89/0x220 [ 54.387397][ T500] RAX: ffffffffffffffda RBX: 00007f185741c050 RCX: 00007f18572fcae9 [ 54.395050][ T517] __x64_sys_clone+0x176/0x1d0 [ 54.395088][ T517] ? __kasan_check_write+0x14/0x20 [ 54.395109][ T517] ? __ia32_sys_vfork+0xf0/0xf0 [ 54.395134][ T517] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 54.403880][ T500] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 54.411385][ T517] x64_sys_call+0x41f/0x9a0 [ 54.411412][ T517] do_syscall_64+0x4c/0xa0 [ 54.419915][ T500] RBP: 00007f1856e5e120 R08: 0000000000000000 R09: 0000000000000000 [ 54.425645][ T517] ? clear_bhb_loop+0x50/0xa0 [ 54.425670][ T517] ? clear_bhb_loop+0x50/0xa0 [ 54.425687][ T517] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 54.442772][ T500] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.449685][ T517] RIP: 0033:0x7f84a4323ae9 [ 54.449713][ T517] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 54.449730][ T517] RSP: 002b:00007f84a3ea6078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 54.449752][ T517] RAX: ffffffffffffffda RBX: 00007f84a4442f80 RCX: 00007f84a4323ae9 [ 54.449767][ T517] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 54.463373][ T500] R13: 000000000000006e R14: 00007f185741c050 R15: 00007ffe6668e1c8 [ 54.467276][ T517] RBP: 00007f84a3ea6120 R08: 0000000000000000 R09: 0000000000000000 [ 54.467291][ T517] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.467311][ T517] R13: 000000000000000b R14: 00007f84a4442f80 R15: 00007ffff34eefe8 [ 54.474446][ T500] [ 54.479771][ T517] [ 54.484959][ T515] CPU: 1 PID: 515 Comm: syz-executor.5 Not tainted syzkaller #0 [ 54.837146][ T515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 54.847306][ T515] Call Trace: [ 54.850779][ T515] [ 54.853806][ T515] __dump_stack+0x21/0x30 [ 54.858237][ T515] dump_stack_lvl+0xee/0x150 [ 54.862834][ T515] ? show_regs_print_info+0x20/0x20 [ 54.868162][ T515] dump_stack+0x15/0x20 [ 54.872433][ T515] should_fail+0x3c1/0x510 [ 54.876991][ T515] __should_failslab+0xa4/0xe0 [ 54.881862][ T515] should_failslab+0x9/0x20 [ 54.886370][ T515] slab_pre_alloc_hook+0x3b/0xe0 [ 54.891464][ T515] ? alloc_pid+0x9d/0xac0 [ 54.896081][ T515] kmem_cache_alloc+0x44/0x260 [ 54.901130][ T515] alloc_pid+0x9d/0xac0 [ 54.905299][ T515] copy_process+0x1365/0x3210 [ 54.909986][ T515] ? __kasan_check_write+0x14/0x20 [ 54.915104][ T515] ? __pidfd_prepare+0x150/0x150 [ 54.920146][ T515] ? security_file_permission+0x83/0xa0 [ 54.925906][ T515] kernel_clone+0x23f/0x940 [ 54.930420][ T515] ? create_io_thread+0x130/0x130 [ 54.935570][ T515] ? __kasan_check_write+0x14/0x20 [ 54.940706][ T515] ? mutex_unlock+0x89/0x220 [ 54.945462][ T515] __x64_sys_clone+0x176/0x1d0 [ 54.950287][ T515] ? __kasan_check_write+0x14/0x20 [ 54.955444][ T515] ? __ia32_sys_vfork+0xf0/0xf0 [ 54.960631][ T515] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 54.966983][ T515] x64_sys_call+0x41f/0x9a0 [ 54.971805][ T515] do_syscall_64+0x4c/0xa0 [ 54.976230][ T515] ? clear_bhb_loop+0x50/0xa0 [ 54.981043][ T515] ? clear_bhb_loop+0x50/0xa0 [ 54.986418][ T515] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 54.992443][ T515] RIP: 0033:0x7fbf6e830ae9 [ 54.996888][ T515] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 55.016786][ T515] RSP: 002b:00007fbf6e3b3078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 55.025606][ T515] RAX: ffffffffffffffda RBX: 00007fbf6e94ff80 RCX: 00007fbf6e830ae9 [ 55.033599][ T515] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 55.041569][ T515] RBP: 00007fbf6e3b3120 R08: 0000000000000000 R09: 0000000000000000 [ 55.049645][ T515] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.057629][ T515] R13: 000000000000000b R14: 00007fbf6e94ff80 R15: 00007ffca52c22d8 [ 55.065610][ T515] [ 55.068904][ T512] CPU: 0 PID: 512 Comm: syz-executor.0 Not tainted syzkaller #0 [ 55.069874][ T500] ---[ end trace 6b2f8066c5f47049 ]--- [ 55.076779][ T512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 55.076794][ T512] Call Trace: [ 55.076799][ T512] [ 55.076806][ T512] __dump_stack+0x21/0x30 [ 55.076831][ T512] dump_stack_lvl+0xee/0x150 [ 55.108196][ T512] ? show_regs_print_info+0x20/0x20 [ 55.113503][ T512] dump_stack+0x15/0x20 [ 55.117668][ T512] should_fail+0x3c1/0x510 [ 55.122096][ T512] __should_failslab+0xa4/0xe0 [ 55.127082][ T512] should_failslab+0x9/0x20 [ 55.131674][ T512] slab_pre_alloc_hook+0x3b/0xe0 [ 55.136676][ T512] ? anon_vma_fork+0xf2/0x510 [ 55.141355][ T512] kmem_cache_alloc+0x44/0x260 [ 55.146219][ T512] anon_vma_fork+0xf2/0x510 [ 55.150815][ T512] copy_mm+0x9d1/0x13a0 [ 55.154978][ T512] ? copy_signal+0x600/0x600 [ 55.159657][ T512] ? __init_rwsem+0xfc/0x1d0 [ 55.164277][ T512] ? copy_signal+0x4cb/0x600 [ 55.168987][ T512] copy_process+0x115c/0x3210 [ 55.173844][ T512] ? __kasan_check_write+0x14/0x20 [ 55.179051][ T512] ? __pidfd_prepare+0x150/0x150 [ 55.184142][ T512] ? security_file_permission+0x83/0xa0 [ 55.189722][ T512] kernel_clone+0x23f/0x940 [ 55.194373][ T512] ? create_io_thread+0x130/0x130 [ 55.199771][ T512] ? __kasan_check_write+0x14/0x20 [ 55.204977][ T512] ? mutex_unlock+0x89/0x220 [ 55.209692][ T512] __x64_sys_clone+0x176/0x1d0 [ 55.214602][ T512] ? __kasan_check_write+0x14/0x20 [ 55.219940][ T512] ? __ia32_sys_vfork+0xf0/0xf0 [ 55.224988][ T512] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 55.231153][ T512] x64_sys_call+0x41f/0x9a0 [ 55.235697][ T512] do_syscall_64+0x4c/0xa0 [ 55.240307][ T512] ? clear_bhb_loop+0x50/0xa0 [ 55.245026][ T512] ? clear_bhb_loop+0x50/0xa0 [ 55.249809][ T512] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 55.255994][ T512] RIP: 0033:0x7ff46e262ae9 [ 55.260503][ T512] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 55.280597][ T512] RSP: 002b:00007ff46dde5078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 55.289403][ T512] RAX: ffffffffffffffda RBX: 00007ff46e381f80 RCX: 00007ff46e262ae9 [ 55.297572][ T512] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 55.305721][ T512] RBP: 00007ff46dde5120 R08: 0000000000000000 R09: 0000000000000000 [ 55.313707][ T512] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.321785][ T512] R13: 000000000000000b R14: 00007ff46e381f80 R15: 00007ffd8c3b1f78 [ 55.329763][ T512] [ 55.354104][ T527] FAULT_INJECTION: forcing a failure. [ 55.354104][ T527] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 55.363907][ T522] FAULT_INJECTION: forcing a failure. [ 55.363907][ T522] name failslab, interval 1, probability 0, space 0, times 0 [ 55.381192][ T530] FAULT_INJECTION: forcing a failure. [ 55.381192][ T530] name failslab, interval 1, probability 0, space 0, times 0 [ 55.381266][ T528] FAULT_INJECTION: forcing a failure. [ 55.381266][ T528] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 55.393992][ T527] CPU: 1 PID: 527 Comm: syz-executor.4 Tainted: G W syzkaller #0 [ 55.416602][ T527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 55.426695][ T527] Call Trace: [ 55.430274][ T527] [ 55.433321][ T527] __dump_stack+0x21/0x30 [ 55.437670][ T527] dump_stack_lvl+0xee/0x150 [ 55.442530][ T527] ? show_regs_print_info+0x20/0x20 [ 55.447735][ T527] ? prep_new_page+0x1c/0x110 [ 55.452422][ T527] dump_stack+0x15/0x20 [ 55.456759][ T527] should_fail+0x3c1/0x510 [ 55.461281][ T527] should_fail_alloc_page+0x55/0x80 [ 55.466494][ T527] prepare_alloc_pages+0x156/0x600 [ 55.471718][ T527] ? __alloc_pages_bulk+0xab0/0xab0 [ 55.477016][ T527] ? __alloc_pages+0x440/0x440 [ 55.481784][ T527] __alloc_pages+0x10a/0x440 [ 55.486462][ T527] ? prep_new_page+0x110/0x110 [ 55.491354][ T527] ? __kasan_check_write+0x14/0x20 [ 55.496473][ T527] ? _raw_spin_lock+0x8e/0xe0 [ 55.501165][ T527] pte_alloc_one+0x70/0x180 [ 55.505679][ T527] ? pfn_modify_allowed+0x2f0/0x2f0 [ 55.510983][ T527] ? __mod_lruvec_page_state+0x15d/0x1c0 [ 55.516654][ T527] ? _raw_spin_unlock+0x4d/0x70 [ 55.521529][ T527] ? __pmd_alloc+0x3ef/0x4a0 [ 55.526235][ T527] ? __kasan_check_write+0x14/0x20 [ 55.531364][ T527] __pte_alloc+0x75/0x290 [ 55.535810][ T527] ? __pud_alloc+0x1a0/0x1a0 [ 55.540421][ T527] ? __kasan_slab_alloc+0xcf/0xf0 [ 55.545565][ T527] ? free_pgtables+0x280/0x280 [ 55.550419][ T527] ? _raw_spin_unlock+0x4d/0x70 [ 55.555466][ T527] copy_page_range+0x2348/0x2890 [ 55.560610][ T527] ? pfn_valid+0x1d0/0x1d0 [ 55.565152][ T527] copy_mm+0xbe2/0x13a0 [ 55.569416][ T527] ? copy_signal+0x600/0x600 [ 55.574095][ T527] ? __init_rwsem+0xfc/0x1d0 [ 55.578686][ T527] ? copy_signal+0x4cb/0x600 [ 55.583363][ T527] copy_process+0x115c/0x3210 [ 55.588049][ T527] ? __kasan_check_write+0x14/0x20 [ 55.593195][ T527] ? __pidfd_prepare+0x150/0x150 [ 55.598410][ T527] ? security_file_permission+0x83/0xa0 [ 55.603973][ T527] kernel_clone+0x23f/0x940 [ 55.608595][ T527] ? create_io_thread+0x130/0x130 [ 55.614066][ T527] ? __kasan_check_write+0x14/0x20 [ 55.619368][ T527] ? mutex_unlock+0x89/0x220 [ 55.624049][ T527] __x64_sys_clone+0x176/0x1d0 [ 55.628827][ T527] ? __kasan_check_write+0x14/0x20 [ 55.634036][ T527] ? __ia32_sys_vfork+0xf0/0xf0 [ 55.639032][ T527] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 55.645118][ T527] x64_sys_call+0x41f/0x9a0 [ 55.649633][ T527] do_syscall_64+0x4c/0xa0 [ 55.654051][ T527] ? clear_bhb_loop+0x50/0xa0 [ 55.658759][ T527] ? clear_bhb_loop+0x50/0xa0 [ 55.663449][ T527] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 55.669611][ T527] RIP: 0033:0x7f18572fcae9 [ 55.674135][ T527] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 55.694181][ T527] RSP: 002b:00007f1856e7f078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 55.703131][ T527] RAX: ffffffffffffffda RBX: 00007f185741bf80 RCX: 00007f18572fcae9 [ 55.711120][ T527] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 55.719106][ T527] RBP: 00007f1856e7f120 R08: 0000000000000000 R09: 0000000000000000 [ 55.727365][ T527] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.735516][ T527] R13: 000000000000000b R14: 00007f185741bf80 R15: 00007ffe6668e1c8 [ 55.743620][ T527] [ 55.747166][ T528] CPU: 1 PID: 528 Comm: syz-executor.2 Tainted: G W syzkaller #0 [ 55.756321][ T528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 55.766702][ T528] Call Trace: [ 55.770203][ T528] [ 55.773159][ T528] __dump_stack+0x21/0x30 [ 55.777510][ T528] dump_stack_lvl+0xee/0x150 [ 55.782215][ T528] ? show_regs_print_info+0x20/0x20 [ 55.787450][ T528] ? prep_new_page+0x1c/0x110 [ 55.792297][ T528] dump_stack+0x15/0x20 [ 55.796472][ T528] should_fail+0x3c1/0x510 [ 55.801076][ T528] should_fail_alloc_page+0x55/0x80 [ 55.806401][ T528] prepare_alloc_pages+0x156/0x600 [ 55.811537][ T528] ? __alloc_pages_bulk+0xab0/0xab0 [ 55.816870][ T528] ? __alloc_pages+0x440/0x440 [ 55.821651][ T528] __alloc_pages+0x10a/0x440 [ 55.826699][ T528] ? prep_new_page+0x110/0x110 [ 55.831489][ T528] ? __kasan_check_write+0x14/0x20 [ 55.836680][ T528] ? _raw_spin_lock+0x8e/0xe0 [ 55.841431][ T528] pte_alloc_one+0x70/0x180 [ 55.845950][ T528] ? pfn_modify_allowed+0x2f0/0x2f0 [ 55.851369][ T528] ? __mod_lruvec_page_state+0x15d/0x1c0 [ 55.857593][ T528] ? _raw_spin_unlock+0x4d/0x70 [ 55.862638][ T528] ? __pmd_alloc+0x3ef/0x4a0 [ 55.867319][ T528] ? __kasan_check_write+0x14/0x20 [ 55.872523][ T528] __pte_alloc+0x75/0x290 [ 55.876864][ T528] ? __pud_alloc+0x1a0/0x1a0 [ 55.881612][ T528] ? __kasan_slab_alloc+0xcf/0xf0 [ 55.886875][ T528] ? free_pgtables+0x280/0x280 [ 55.891660][ T528] ? _raw_spin_unlock+0x4d/0x70 [ 55.896513][ T528] copy_page_range+0x2348/0x2890 [ 55.901476][ T528] ? pfn_valid+0x1d0/0x1d0 [ 55.905992][ T528] copy_mm+0xbe2/0x13a0 [ 55.910505][ T528] ? copy_signal+0x600/0x600 [ 55.915101][ T528] ? __init_rwsem+0xfc/0x1d0 [ 55.919698][ T528] ? copy_signal+0x4cb/0x600 [ 55.924377][ T528] copy_process+0x115c/0x3210 [ 55.929156][ T528] ? __kasan_check_write+0x14/0x20 [ 55.934476][ T528] ? __pidfd_prepare+0x150/0x150 [ 55.939506][ T528] ? security_file_permission+0x83/0xa0 [ 55.945059][ T528] kernel_clone+0x23f/0x940 [ 55.949672][ T528] ? create_io_thread+0x130/0x130 [ 55.954885][ T528] ? __kasan_check_write+0x14/0x20 [ 55.960005][ T528] ? mutex_unlock+0x89/0x220 [ 55.964782][ T528] __x64_sys_clone+0x176/0x1d0 [ 55.969550][ T528] ? __kasan_check_write+0x14/0x20 [ 55.974667][ T528] ? __ia32_sys_vfork+0xf0/0xf0 [ 55.979523][ T528] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 55.985791][ T528] x64_sys_call+0x41f/0x9a0 [ 55.990482][ T528] do_syscall_64+0x4c/0xa0 [ 55.994905][ T528] ? clear_bhb_loop+0x50/0xa0 [ 55.999582][ T528] ? clear_bhb_loop+0x50/0xa0 [ 56.004324][ T528] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 56.010318][ T528] RIP: 0033:0x7f25569a8ae9 [ 56.014822][ T528] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 56.034889][ T528] RSP: 002b:00007f255652b078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 56.043515][ T528] RAX: ffffffffffffffda RBX: 00007f2556ac7f80 RCX: 00007f25569a8ae9 [ 56.051500][ T528] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 56.059767][ T528] RBP: 00007f255652b120 R08: 0000000000000000 R09: 0000000000000000 [ 56.067927][ T528] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 56.076036][ T528] R13: 000000000000000b R14: 00007f2556ac7f80 R15: 00007ffc572e2ed8 [ 56.084017][ T528] [ 56.090015][ T530] CPU: 0 PID: 530 Comm: syz-executor.1 Tainted: G W syzkaller #0 [ 56.099437][ T530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 56.109701][ T530] Call Trace: [ 56.112999][ T530] [ 56.115939][ T530] __dump_stack+0x21/0x30 [ 56.120279][ T530] dump_stack_lvl+0xee/0x150 [ 56.124870][ T530] ? show_regs_print_info+0x20/0x20 [ 56.130424][ T530] dump_stack+0x15/0x20 [ 56.134674][ T530] should_fail+0x3c1/0x510 [ 56.139197][ T530] __should_failslab+0xa4/0xe0 [ 56.144005][ T530] should_failslab+0x9/0x20 [ 56.148601][ T530] slab_pre_alloc_hook+0x3b/0xe0 [ 56.153556][ T530] ? anon_vma_clone+0xc0/0x500 [ 56.158408][ T530] kmem_cache_alloc+0x44/0x260 [ 56.163219][ T530] anon_vma_clone+0xc0/0x500 [ 56.167899][ T530] anon_vma_fork+0x8c/0x510 [ 56.179632][ T530] copy_mm+0x9d1/0x13a0 [ 56.183981][ T530] ? copy_signal+0x600/0x600 [ 56.188761][ T530] ? __init_rwsem+0xfc/0x1d0 [ 56.193617][ T530] ? copy_signal+0x4cb/0x600 [ 56.198307][ T530] copy_process+0x115c/0x3210 [ 56.202990][ T530] ? __kasan_check_write+0x14/0x20 [ 56.208192][ T530] ? __pidfd_prepare+0x150/0x150 [ 56.213308][ T530] ? security_file_permission+0x83/0xa0 [ 56.218948][ T530] kernel_clone+0x23f/0x940 [ 56.223472][ T530] ? create_io_thread+0x130/0x130 [ 56.228591][ T530] ? __kasan_check_write+0x14/0x20 [ 56.233798][ T530] ? mutex_unlock+0x89/0x220 [ 56.238480][ T530] __x64_sys_clone+0x176/0x1d0 [ 56.243336][ T530] ? __kasan_check_write+0x14/0x20 [ 56.248456][ T530] ? __ia32_sys_vfork+0xf0/0xf0 [ 56.253312][ T530] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 56.259503][ T530] x64_sys_call+0x41f/0x9a0 [ 56.264234][ T530] do_syscall_64+0x4c/0xa0 [ 56.268867][ T530] ? clear_bhb_loop+0x50/0xa0 [ 56.273666][ T530] ? clear_bhb_loop+0x50/0xa0 [ 56.278353][ T530] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 56.284497][ T530] RIP: 0033:0x7fe31a2afae9 [ 56.288941][ T530] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 56.309210][ T530] RSP: 002b:00007fe319e32078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 56.317634][ T530] RAX: ffffffffffffffda RBX: 00007fe31a3cef80 RCX: 00007fe31a2afae9 [ 56.325697][ T530] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 56.334200][ T530] RBP: 00007fe319e32120 R08: 0000000000000000 R09: 0000000000000000 [ 56.342193][ T530] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 56.350295][ T530] R13: 000000000000000b R14: 00007fe31a3cef80 R15: 00007ffdb5f74a38 [ 56.358427][ T530] [ 56.363522][ T522] CPU: 0 PID: 522 Comm: syz-executor.3 Tainted: G W syzkaller #0 [ 56.372957][ T522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 56.383357][ T522] Call Trace: [ 56.386664][ T522] [ 56.389706][ T522] __dump_stack+0x21/0x30 [ 56.394137][ T522] dump_stack_lvl+0xee/0x150 [ 56.398856][ T522] ? show_regs_print_info+0x20/0x20 [ 56.404302][ T522] dump_stack+0x15/0x20 [ 56.408498][ T522] should_fail+0x3c1/0x510 [ 56.413177][ T522] __should_failslab+0xa4/0xe0 [ 56.418077][ T522] should_failslab+0x9/0x20 [ 56.422870][ T522] slab_pre_alloc_hook+0x3b/0xe0 [ 56.428364][ T522] ? vm_area_dup+0x26/0x210 [ 56.433189][ T522] kmem_cache_alloc+0x44/0x260 [ 56.438133][ T522] vm_area_dup+0x26/0x210 [ 56.442751][ T522] copy_mm+0x93a/0x13a0 [ 56.446949][ T522] ? copy_signal+0x600/0x600 [ 56.451728][ T522] ? __init_rwsem+0xfc/0x1d0 [ 56.456346][ T522] ? copy_signal+0x4cb/0x600 [ 56.460965][ T522] copy_process+0x115c/0x3210 [ 56.465768][ T522] ? __kasan_check_write+0x14/0x20 [ 56.471177][ T522] ? __pidfd_prepare+0x150/0x150 [ 56.476298][ T522] ? security_file_permission+0x83/0xa0 [ 56.482148][ T522] kernel_clone+0x23f/0x940 [ 56.486902][ T522] ? create_io_thread+0x130/0x130 [ 56.491971][ T522] ? __kasan_check_write+0x14/0x20 [ 56.497126][ T522] ? mutex_unlock+0x89/0x220 [ 56.501738][ T522] __x64_sys_clone+0x176/0x1d0 [ 56.506722][ T522] ? __kasan_check_write+0x14/0x20 [ 56.512104][ T522] ? __ia32_sys_vfork+0xf0/0xf0 [ 56.516977][ T522] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 56.523065][ T522] x64_sys_call+0x41f/0x9a0 [ 56.528224][ T522] do_syscall_64+0x4c/0xa0 [ 56.532655][ T522] ? clear_bhb_loop+0x50/0xa0 [ 56.537420][ T522] ? clear_bhb_loop+0x50/0xa0 [ 56.542187][ T522] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 56.548262][ T522] RIP: 0033:0x7f84a4323ae9 [ 56.552814][ T522] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 56.572792][ T522] RSP: 002b:00007f84a3ea6078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 56.581388][ T522] RAX: ffffffffffffffda RBX: 00007f84a4442f80 RCX: 00007f84a4323ae9 [ 56.589456][ T522] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 56.597568][ T522] RBP: 00007f84a3ea6120 R08: 0000000000000000 R09: 0000000000000000 [ 56.605571][ T522] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 2025/12/11 09:31:09 executed programs: 47 [ 56.613651][ T522] R13: 000000000000000b R14: 00007f84a4442f80 R15: 00007ffff34eefe8 [ 56.621740][ T522] [ 56.630933][ T532] FAULT_INJECTION: forcing a failure. [ 56.630933][ T532] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 56.651559][ T538] FAULT_INJECTION: forcing a failure. [ 56.651559][ T538] name failslab, interval 1, probability 0, space 0, times 0 [ 56.668530][ T540] FAULT_INJECTION: forcing a failure. [ 56.668530][ T540] name failslab, interval 1, probability 0, space 0, times 0 [ 56.682923][ T537] FAULT_INJECTION: forcing a failure. [ 56.682923][ T537] name failslab, interval 1, probability 0, space 0, times 0 [ 56.683088][ T532] CPU: 1 PID: 532 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.683112][ T532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 56.697951][ T541] FAULT_INJECTION: forcing a failure. [ 56.697951][ T541] name failslab, interval 1, probability 0, space 0, times 0 [ 56.704789][ T532] Call Trace: [ 56.704800][ T532] [ 56.704806][ T532] __dump_stack+0x21/0x30 [ 56.704832][ T532] dump_stack_lvl+0xee/0x150 [ 56.704851][ T532] ? show_regs_print_info+0x20/0x20 [ 56.748292][ T532] dump_stack+0x15/0x20 [ 56.752479][ T532] should_fail+0x3c1/0x510 [ 56.756909][ T532] should_fail_alloc_page+0x55/0x80 [ 56.762200][ T532] prepare_alloc_pages+0x156/0x600 [ 56.767497][ T532] ? __alloc_pages_bulk+0xab0/0xab0 [ 56.772872][ T532] ? kvm_sched_clock_read+0x18/0x40 [ 56.778176][ T532] ? sched_clock+0x9/0x10 [ 56.782804][ T532] __alloc_pages+0x10a/0x440 [ 56.787507][ T532] ? prep_new_page+0x110/0x110 [ 56.792370][ T532] ? cpumask_next+0x7c/0xa0 [ 56.797075][ T532] wp_page_copy+0x20f/0x18f0 [ 56.801758][ T532] ? insert_page_into_pte_locked+0x310/0x310 [ 56.807833][ T532] ? _raw_spin_trylock+0xb1/0x140 [ 56.812956][ T532] ? __cpuidle_text_end+0xb/0xb [ 56.817817][ T532] ? vm_normal_page+0x99/0x1f0 [ 56.822582][ T532] do_wp_page+0x731/0xc90 [ 56.827018][ T532] handle_pte_fault+0x73c/0x2680 [ 56.832070][ T532] ? fault_around_bytes_set+0xc0/0xc0 [ 56.837594][ T532] ? memcpy+0x56/0x70 [ 56.841696][ T532] do_handle_mm_fault+0x1a6d/0x1d50 [ 56.846990][ T532] ? numa_migrate_prep+0xd0/0xd0 [ 56.852022][ T532] ? find_vma_from_tree+0xfd/0x110 [ 56.857138][ T532] ? access_error+0x152/0x260 [ 56.861921][ T532] do_user_addr_fault+0x554/0x1180 [ 56.867146][ T532] ? do_kern_addr_fault+0x80/0x80 [ 56.872273][ T532] ? debug_smp_processor_id+0x17/0x20 [ 56.877826][ T532] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 56.884170][ T532] ? exit_to_user_mode_prepare+0x39/0xd0 [ 56.889806][ T532] exc_page_fault+0x51/0xb0 [ 56.894317][ T532] asm_exc_page_fault+0x27/0x30 [ 56.899173][ T532] RIP: 0033:0x7ff46e210a50 [ 56.903687][ T532] Code: c0 75 27 69 3d 6d ac c9 00 b8 0b 00 00 e8 38 20 05 00 31 f6 bf 3c 00 00 00 31 c0 e8 8a 20 05 00 eb fe 0f 1f 84 00 00 00 00 00 <64> c7 04 25 ac ff ff ff 00 00 00 00 48 83 c4 38 c3 66 66 2e 0f 1f [ 56.923489][ T532] RSP: 002b:00007ff46dde5080 EFLAGS: 00010202 [ 56.929646][ T532] RAX: 0000000000000016 RBX: 00007ff46e381f80 RCX: 00007ff46e262ae9 [ 56.937631][ T532] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 56.945754][ T532] RBP: 00007ff46dde5120 R08: 0000000000000000 R09: 0000000000000000 [ 56.954166][ T532] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 56.962326][ T532] R13: 000000000000000b R14: 00007ff46e381f80 R15: 00007ffd8c3b1f78 [ 56.970415][ T532] [ 56.973698][ T541] CPU: 1 PID: 541 Comm: syz-executor.5 Tainted: G W syzkaller #0 [ 56.983016][ T541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 56.993094][ T541] Call Trace: [ 56.996392][ T541] [ 56.999501][ T541] __dump_stack+0x21/0x30 [ 57.003843][ T541] dump_stack_lvl+0xee/0x150 [ 57.008713][ T541] ? show_regs_print_info+0x20/0x20 [ 57.013942][ T541] dump_stack+0x15/0x20 [ 57.018367][ T541] should_fail+0x3c1/0x510 [ 57.022801][ T541] __should_failslab+0xa4/0xe0 [ 57.027753][ T541] should_failslab+0x9/0x20 [ 57.032269][ T541] slab_pre_alloc_hook+0x3b/0xe0 [ 57.037312][ T541] ? anon_vma_fork+0xf2/0x510 [ 57.042003][ T541] kmem_cache_alloc+0x44/0x260 [ 57.046782][ T541] anon_vma_fork+0xf2/0x510 [ 57.051379][ T541] copy_mm+0x9d1/0x13a0 [ 57.055547][ T541] ? copy_signal+0x600/0x600 [ 57.060498][ T541] ? __init_rwsem+0xfc/0x1d0 [ 57.065096][ T541] ? copy_signal+0x4cb/0x600 [ 57.069698][ T541] copy_process+0x115c/0x3210 [ 57.074407][ T541] ? __kasan_check_write+0x14/0x20 [ 57.079671][ T541] ? __pidfd_prepare+0x150/0x150 [ 57.084730][ T541] ? security_file_permission+0x83/0xa0 [ 57.090293][ T541] kernel_clone+0x23f/0x940 [ 57.094828][ T541] ? create_io_thread+0x130/0x130 [ 57.099864][ T541] ? __kasan_check_write+0x14/0x20 [ 57.105111][ T541] ? mutex_unlock+0x89/0x220 [ 57.109712][ T541] __x64_sys_clone+0x176/0x1d0 [ 57.114506][ T541] ? __kasan_check_write+0x14/0x20 [ 57.119640][ T541] ? __ia32_sys_vfork+0xf0/0xf0 [ 57.124601][ T541] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 57.130770][ T541] x64_sys_call+0x41f/0x9a0 [ 57.135278][ T541] do_syscall_64+0x4c/0xa0 [ 57.139792][ T541] ? clear_bhb_loop+0x50/0xa0 [ 57.143869][ T532] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 57.144473][ T541] ? clear_bhb_loop+0x50/0xa0 [ 57.144497][ T541] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 57.162666][ T541] RIP: 0033:0x7fbf6e830ae9 [ 57.167128][ T541] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 57.187603][ T541] RSP: 002b:00007fbf6e392078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 57.196351][ T541] RAX: ffffffffffffffda RBX: 00007fbf6e950050 RCX: 00007fbf6e830ae9 [ 57.204426][ T541] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 57.212618][ T541] RBP: 00007fbf6e392120 R08: 0000000000000000 R09: 0000000000000000 [ 57.220696][ T541] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 57.228864][ T541] R13: 000000000000006e R14: 00007fbf6e950050 R15: 00007ffca52c22d8 [ 57.237066][ T541] [ 57.241480][ T537] CPU: 1 PID: 537 Comm: syz-executor.3 Tainted: G W syzkaller #0 [ 57.250721][ T537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 57.260981][ T537] Call Trace: [ 57.264273][ T537] [ 57.267244][ T537] __dump_stack+0x21/0x30 [ 57.271608][ T537] dump_stack_lvl+0xee/0x150 [ 57.276314][ T537] ? show_regs_print_info+0x20/0x20 [ 57.281610][ T537] dump_stack+0x15/0x20 [ 57.285893][ T537] should_fail+0x3c1/0x510 [ 57.290355][ T537] __should_failslab+0xa4/0xe0 [ 57.295230][ T537] should_failslab+0x9/0x20 [ 57.299744][ T537] slab_pre_alloc_hook+0x3b/0xe0 [ 57.304994][ T537] ? anon_vma_clone+0xc0/0x500 [ 57.309766][ T537] kmem_cache_alloc+0x44/0x260 [ 57.314539][ T537] anon_vma_clone+0xc0/0x500 [ 57.319140][ T537] anon_vma_fork+0x8c/0x510 [ 57.323811][ T537] copy_mm+0x9d1/0x13a0 [ 57.328088][ T537] ? copy_signal+0x600/0x600 [ 57.332792][ T537] ? __init_rwsem+0xfc/0x1d0 [ 57.337396][ T537] ? copy_signal+0x4cb/0x600 [ 57.342085][ T537] copy_process+0x115c/0x3210 [ 57.346790][ T537] ? __kasan_check_write+0x14/0x20 [ 57.352017][ T537] ? __pidfd_prepare+0x150/0x150 [ 57.357054][ T537] ? security_file_permission+0x83/0xa0 [ 57.362801][ T537] kernel_clone+0x23f/0x940 [ 57.367495][ T537] ? create_io_thread+0x130/0x130 [ 57.372711][ T537] ? __kasan_check_write+0x14/0x20 [ 57.377841][ T537] ? mutex_unlock+0x89/0x220 [ 57.382440][ T537] __x64_sys_clone+0x176/0x1d0 [ 57.387558][ T537] ? __kasan_check_write+0x14/0x20 [ 57.392799][ T537] ? __ia32_sys_vfork+0xf0/0xf0 [ 57.397752][ T537] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 57.403850][ T537] x64_sys_call+0x41f/0x9a0 [ 57.408361][ T537] do_syscall_64+0x4c/0xa0 [ 57.413031][ T537] ? clear_bhb_loop+0x50/0xa0 [ 57.417724][ T537] ? clear_bhb_loop+0x50/0xa0 [ 57.422532][ T537] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 57.428442][ T537] RIP: 0033:0x7f84a4323ae9 [ 57.432865][ T537] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 57.452573][ T537] RSP: 002b:00007f84a3ea6078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 57.461228][ T537] RAX: ffffffffffffffda RBX: 00007f84a4442f80 RCX: 00007f84a4323ae9 [ 57.469224][ T537] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 57.477294][ T537] RBP: 00007f84a3ea6120 R08: 0000000000000000 R09: 0000000000000000 [ 57.485368][ T537] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 57.493462][ T537] R13: 000000000000000b R14: 00007f84a4442f80 R15: 00007ffff34eefe8 [ 57.501453][ T537] [ 57.504774][ T540] CPU: 0 PID: 540 Comm: syz-executor.2 Tainted: G W syzkaller #0 [ 57.513925][ T540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 57.523993][ T540] Call Trace: [ 57.527309][ T540] [ 57.530243][ T540] __dump_stack+0x21/0x30 [ 57.534588][ T540] dump_stack_lvl+0xee/0x150 [ 57.539581][ T540] ? show_regs_print_info+0x20/0x20 [ 57.544891][ T540] dump_stack+0x15/0x20 [ 57.549064][ T540] should_fail+0x3c1/0x510 [ 57.553488][ T540] __should_failslab+0xa4/0xe0 [ 57.558343][ T540] should_failslab+0x9/0x20 [ 57.563019][ T540] slab_pre_alloc_hook+0x3b/0xe0 [ 57.568051][ T540] ? anon_vma_clone+0xc0/0x500 [ 57.572819][ T540] kmem_cache_alloc+0x44/0x260 [ 57.577586][ T540] anon_vma_clone+0xc0/0x500 [ 57.582195][ T540] anon_vma_fork+0x8c/0x510 [ 57.586707][ T540] copy_mm+0x9d1/0x13a0 [ 57.590866][ T540] ? copy_signal+0x600/0x600 [ 57.595454][ T540] ? __init_rwsem+0xfc/0x1d0 [ 57.600071][ T540] ? copy_signal+0x4cb/0x600 [ 57.604758][ T540] copy_process+0x115c/0x3210 [ 57.609618][ T540] ? __kasan_check_write+0x14/0x20 [ 57.614849][ T540] ? __pidfd_prepare+0x150/0x150 [ 57.619873][ T540] ? security_file_permission+0x83/0xa0 [ 57.625616][ T540] kernel_clone+0x23f/0x940 [ 57.630214][ T540] ? create_io_thread+0x130/0x130 [ 57.635247][ T540] ? __kasan_check_write+0x14/0x20 [ 57.640366][ T540] ? mutex_unlock+0x89/0x220 [ 57.644978][ T540] __x64_sys_clone+0x176/0x1d0 [ 57.650027][ T540] ? __kasan_check_write+0x14/0x20 [ 57.655205][ T540] ? __ia32_sys_vfork+0xf0/0xf0 [ 57.660297][ T540] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 57.666493][ T540] x64_sys_call+0x41f/0x9a0 [ 57.671011][ T540] do_syscall_64+0x4c/0xa0 [ 57.675443][ T540] ? clear_bhb_loop+0x50/0xa0 [ 57.680366][ T540] ? clear_bhb_loop+0x50/0xa0 [ 57.685065][ T540] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 57.691061][ T540] RIP: 0033:0x7f25569a8ae9 [ 57.695484][ T540] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 57.715194][ T540] RSP: 002b:00007f255652b078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 57.723708][ T540] RAX: ffffffffffffffda RBX: 00007f2556ac7f80 RCX: 00007f25569a8ae9 [ 57.731694][ T540] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 57.739880][ T540] RBP: 00007f255652b120 R08: 0000000000000000 R09: 0000000000000000 [ 57.748058][ T540] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 57.756143][ T540] R13: 000000000000000b R14: 00007f2556ac7f80 R15: 00007ffc572e2ed8 [ 57.764388][ T540] [ 57.770066][ T545] FAULT_INJECTION: forcing a failure. [ 57.770066][ T545] name failslab, interval 1, probability 0, space 0, times 0 [ 57.786165][ T544] FAULT_INJECTION: forcing a failure. [ 57.786165][ T544] name failslab, interval 1, probability 0, space 0, times 0 [ 57.787064][ T538] CPU: 1 PID: 538 Comm: syz-executor.4 Tainted: G W syzkaller #0 [ 57.808107][ T538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 57.818269][ T538] Call Trace: [ 57.821562][ T538] [ 57.824507][ T538] __dump_stack+0x21/0x30 [ 57.829179][ T538] dump_stack_lvl+0xee/0x150 [ 57.833861][ T538] ? show_regs_print_info+0x20/0x20 [ 57.839068][ T538] dump_stack+0x15/0x20 [ 57.843231][ T538] should_fail+0x3c1/0x510 [ 57.847670][ T538] __should_failslab+0xa4/0xe0 [ 57.852529][ T538] should_failslab+0x9/0x20 [ 57.857212][ T538] slab_pre_alloc_hook+0x3b/0xe0 [ 57.862162][ T538] ? anon_vma_clone+0xc0/0x500 [ 57.866930][ T538] kmem_cache_alloc+0x44/0x260 [ 57.871728][ T538] anon_vma_clone+0xc0/0x500 [ 57.876516][ T538] anon_vma_fork+0x8c/0x510 [ 57.881034][ T538] copy_mm+0x9d1/0x13a0 [ 57.885294][ T538] ? copy_signal+0x600/0x600 [ 57.890355][ T538] ? __init_rwsem+0xfc/0x1d0 [ 57.894947][ T538] ? copy_signal+0x4cb/0x600 [ 57.899555][ T538] copy_process+0x115c/0x3210 [ 57.904243][ T538] ? __kasan_check_write+0x14/0x20 [ 57.909446][ T538] ? __pidfd_prepare+0x150/0x150 [ 57.914400][ T538] ? security_file_permission+0x83/0xa0 [ 57.919953][ T538] kernel_clone+0x23f/0x940 [ 57.924556][ T538] ? create_io_thread+0x130/0x130 [ 57.929672][ T538] ? __kasan_check_write+0x14/0x20 [ 57.934785][ T538] ? mutex_unlock+0x89/0x220 [ 57.939379][ T538] __x64_sys_clone+0x176/0x1d0 [ 57.944148][ T538] ? __kasan_check_write+0x14/0x20 [ 57.949293][ T538] ? __ia32_sys_vfork+0xf0/0xf0 [ 57.954251][ T538] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 57.960442][ T538] x64_sys_call+0x41f/0x9a0 [ 57.965152][ T538] do_syscall_64+0x4c/0xa0 [ 57.969966][ T538] ? clear_bhb_loop+0x50/0xa0 [ 57.974640][ T538] ? clear_bhb_loop+0x50/0xa0 [ 57.979592][ T538] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 57.985702][ T538] RIP: 0033:0x7f18572fcae9 [ 57.990256][ T538] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 58.010265][ T538] RSP: 002b:00007f1856e7f078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 58.018872][ T538] RAX: ffffffffffffffda RBX: 00007f185741bf80 RCX: 00007f18572fcae9 [ 58.027064][ T538] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 58.035147][ T538] RBP: 00007f1856e7f120 R08: 0000000000000000 R09: 0000000000000000 [ 58.043296][ T538] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 58.051270][ T538] R13: 000000000000000b R14: 00007f185741bf80 R15: 00007ffe6668e1c8 [ 58.059259][ T538] [ 58.069848][ T548] FAULT_INJECTION: forcing a failure. [ 58.069848][ T548] name failslab, interval 1, probability 0, space 0, times 0 [ 58.083607][ T551] FAULT_INJECTION: forcing a failure. [ 58.083607][ T551] name failslab, interval 1, probability 0, space 0, times 0 [ 58.096384][ T545] CPU: 1 PID: 545 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.105644][ T545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 58.116167][ T545] Call Trace: [ 58.119467][ T545] [ 58.122403][ T545] __dump_stack+0x21/0x30 [ 58.126742][ T545] dump_stack_lvl+0xee/0x150 [ 58.131429][ T545] ? show_regs_print_info+0x20/0x20 [ 58.136641][ T545] dump_stack+0x15/0x20 [ 58.140910][ T545] should_fail+0x3c1/0x510 [ 58.145330][ T545] __should_failslab+0xa4/0xe0 [ 58.150148][ T545] should_failslab+0x9/0x20 [ 58.155006][ T545] slab_pre_alloc_hook+0x3b/0xe0 [ 58.160121][ T545] ? vm_area_dup+0x26/0x210 [ 58.164902][ T545] kmem_cache_alloc+0x44/0x260 [ 58.169762][ T545] vm_area_dup+0x26/0x210 [ 58.174167][ T545] copy_mm+0x93a/0x13a0 [ 58.178418][ T545] ? copy_signal+0x600/0x600 [ 58.183032][ T545] ? __init_rwsem+0xfc/0x1d0 [ 58.187718][ T545] ? copy_signal+0x4cb/0x600 [ 58.192404][ T545] copy_process+0x115c/0x3210 [ 58.197181][ T545] ? __kasan_check_write+0x14/0x20 [ 58.202391][ T545] ? __pidfd_prepare+0x150/0x150 [ 58.207426][ T545] ? security_file_permission+0x83/0xa0 [ 58.212981][ T545] kernel_clone+0x23f/0x940 [ 58.217496][ T545] ? create_io_thread+0x130/0x130 [ 58.222530][ T545] ? __kasan_check_write+0x14/0x20 [ 58.227655][ T545] ? mutex_unlock+0x89/0x220 [ 58.232257][ T545] __x64_sys_clone+0x176/0x1d0 [ 58.237164][ T545] ? __kasan_check_write+0x14/0x20 [ 58.242280][ T545] ? __ia32_sys_vfork+0xf0/0xf0 [ 58.247329][ T545] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 58.253718][ T545] x64_sys_call+0x41f/0x9a0 [ 58.258313][ T545] do_syscall_64+0x4c/0xa0 [ 58.262749][ T545] ? clear_bhb_loop+0x50/0xa0 [ 58.267577][ T545] ? clear_bhb_loop+0x50/0xa0 [ 58.272361][ T545] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 58.278265][ T545] RIP: 0033:0x7ff46e262ae9 [ 58.282702][ T545] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 58.302422][ T545] RSP: 002b:00007ff46dde5078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 58.311108][ T545] RAX: ffffffffffffffda RBX: 00007ff46e381f80 RCX: 00007ff46e262ae9 [ 58.319103][ T545] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 58.327088][ T545] RBP: 00007ff46dde5120 R08: 0000000000000000 R09: 0000000000000000 [ 58.335074][ T545] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 58.343061][ T545] R13: 000000000000000b R14: 00007ff46e381f80 R15: 00007ffd8c3b1f78 [ 58.351063][ T545] [ 58.354748][ T548] CPU: 1 PID: 548 Comm: syz-executor.3 Tainted: G W syzkaller #0 [ 58.364090][ T548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 58.374203][ T548] Call Trace: [ 58.377505][ T548] [ 58.380459][ T548] __dump_stack+0x21/0x30 [ 58.384911][ T548] dump_stack_lvl+0xee/0x150 [ 58.389532][ T548] ? show_regs_print_info+0x20/0x20 [ 58.394825][ T548] dump_stack+0x15/0x20 [ 58.398987][ T548] should_fail+0x3c1/0x510 [ 58.403408][ T548] __should_failslab+0xa4/0xe0 [ 58.408199][ T548] should_failslab+0x9/0x20 [ 58.412927][ T548] slab_pre_alloc_hook+0x3b/0xe0 [ 58.418042][ T548] ? vm_area_dup+0x26/0x210 [ 58.422732][ T548] kmem_cache_alloc+0x44/0x260 [ 58.427510][ T548] vm_area_dup+0x26/0x210 [ 58.431851][ T548] copy_mm+0x93a/0x13a0 [ 58.436102][ T548] ? copy_signal+0x600/0x600 [ 58.440784][ T548] ? __init_rwsem+0xfc/0x1d0 [ 58.445412][ T548] ? copy_signal+0x4cb/0x600 [ 58.450030][ T548] copy_process+0x115c/0x3210 [ 58.454719][ T548] ? __kasan_check_write+0x14/0x20 [ 58.459849][ T548] ? __pidfd_prepare+0x150/0x150 [ 58.465005][ T548] ? security_file_permission+0x83/0xa0 [ 58.470650][ T548] kernel_clone+0x23f/0x940 [ 58.475288][ T548] ? create_io_thread+0x130/0x130 [ 58.480361][ T548] ? __kasan_check_write+0x14/0x20 [ 58.485606][ T548] ? mutex_unlock+0x89/0x220 [ 58.490206][ T548] __x64_sys_clone+0x176/0x1d0 [ 58.495065][ T548] ? __kasan_check_write+0x14/0x20 [ 58.500269][ T548] ? __ia32_sys_vfork+0xf0/0xf0 [ 58.505218][ T548] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 58.511297][ T548] x64_sys_call+0x41f/0x9a0 [ 58.515889][ T548] do_syscall_64+0x4c/0xa0 [ 58.520310][ T548] ? clear_bhb_loop+0x50/0xa0 [ 58.524985][ T548] ? clear_bhb_loop+0x50/0xa0 [ 58.529791][ T548] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 58.535709][ T548] RIP: 0033:0x7f84a4323ae9 [ 58.540230][ T548] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 58.560295][ T548] RSP: 002b:00007f84a3ea6078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 58.568834][ T548] RAX: ffffffffffffffda RBX: 00007f84a4442f80 RCX: 00007f84a4323ae9 [ 58.577014][ T548] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 58.585085][ T548] RBP: 00007f84a3ea6120 R08: 0000000000000000 R09: 0000000000000000 [ 58.593071][ T548] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 58.601141][ T548] R13: 000000000000000b R14: 00007f84a4442f80 R15: 00007ffff34eefe8 [ 58.609121][ T548] [ 58.613339][ T544] CPU: 0 PID: 544 Comm: syz-executor.1 Tainted: G W syzkaller #0 [ 58.622440][ T544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 58.632627][ T544] Call Trace: [ 58.635924][ T544] [ 58.638870][ T544] __dump_stack+0x21/0x30 [ 58.643310][ T544] dump_stack_lvl+0xee/0x150 [ 58.647916][ T544] ? show_regs_print_info+0x20/0x20 [ 58.653290][ T544] dump_stack+0x15/0x20 [ 58.657496][ T544] should_fail+0x3c1/0x510 [ 58.662180][ T544] __should_failslab+0xa4/0xe0 [ 58.667088][ T544] should_failslab+0x9/0x20 [ 58.671609][ T544] slab_pre_alloc_hook+0x3b/0xe0 [ 58.676568][ T544] ? alloc_pid+0x9d/0xac0 [ 58.681081][ T544] kmem_cache_alloc+0x44/0x260 [ 58.686014][ T544] alloc_pid+0x9d/0xac0 [ 58.690279][ T544] copy_process+0x1365/0x3210 [ 58.694971][ T544] ? __kasan_check_write+0x14/0x20 [ 58.700088][ T544] ? __pidfd_prepare+0x150/0x150 [ 58.705036][ T544] ? security_file_permission+0x83/0xa0 [ 58.710602][ T544] kernel_clone+0x23f/0x940 [ 58.715111][ T544] ? create_io_thread+0x130/0x130 [ 58.720142][ T544] ? __kasan_check_write+0x14/0x20 [ 58.725436][ T544] ? mutex_unlock+0x89/0x220 [ 58.730032][ T544] __x64_sys_clone+0x176/0x1d0 [ 58.734806][ T544] ? __kasan_check_write+0x14/0x20 [ 58.739952][ T544] ? __ia32_sys_vfork+0xf0/0xf0 [ 58.744818][ T544] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 58.750984][ T544] x64_sys_call+0x41f/0x9a0 [ 58.755575][ T544] do_syscall_64+0x4c/0xa0 [ 58.759993][ T544] ? clear_bhb_loop+0x50/0xa0 [ 58.764801][ T544] ? clear_bhb_loop+0x50/0xa0 [ 58.769570][ T544] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 58.775564][ T544] RIP: 0033:0x7fe31a2afae9 [ 58.780175][ T544] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 58.800517][ T544] RSP: 002b:00007fe319e32078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 58.809002][ T544] RAX: ffffffffffffffda RBX: 00007fe31a3cef80 RCX: 00007fe31a2afae9 [ 58.816982][ T544] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 58.825083][ T544] RBP: 00007fe319e32120 R08: 0000000000000000 R09: 0000000000000000 [ 58.833059][ T544] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 58.841046][ T544] R13: 000000000000000b R14: 00007fe31a3cef80 R15: 00007ffdb5f74a38 [ 58.849442][ T544] [ 58.853181][ T551] CPU: 1 PID: 551 Comm: syz-executor.2 Tainted: G W syzkaller #0 [ 58.862517][ T551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 58.872968][ T551] Call Trace: [ 58.875867][ T557] FAULT_INJECTION: forcing a failure. [ 58.875867][ T557] name failslab, interval 1, probability 0, space 0, times 0 [ 58.876270][ T551] [ 58.876280][ T551] __dump_stack+0x21/0x30 [ 58.896442][ T551] dump_stack_lvl+0xee/0x150 [ 58.901093][ T551] ? show_regs_print_info+0x20/0x20 [ 58.906321][ T551] dump_stack+0x15/0x20 [ 58.910630][ T551] should_fail+0x3c1/0x510 [ 58.915059][ T551] __should_failslab+0xa4/0xe0 [ 58.918601][ T558] FAULT_INJECTION: forcing a failure. [ 58.918601][ T558] name failslab, interval 1, probability 0, space 0, times 0 [ 58.919924][ T551] should_failslab+0x9/0x20 [ 58.937109][ T551] slab_pre_alloc_hook+0x3b/0xe0 [ 58.942086][ T551] ? anon_vma_fork+0xf2/0x510 [ 58.946795][ T551] kmem_cache_alloc+0x44/0x260 [ 58.951670][ T551] anon_vma_fork+0xf2/0x510 [ 58.956190][ T551] copy_mm+0x9d1/0x13a0 [ 58.960367][ T551] ? copy_signal+0x600/0x600 [ 58.964991][ T551] ? __init_rwsem+0xfc/0x1d0 [ 58.969609][ T551] ? copy_signal+0x4cb/0x600 [ 58.974334][ T551] copy_process+0x115c/0x3210 [ 58.979035][ T551] ? __kasan_check_write+0x14/0x20 [ 58.984246][ T551] ? __pidfd_prepare+0x150/0x150 [ 58.989198][ T551] ? security_file_permission+0x83/0xa0 [ 58.994943][ T551] kernel_clone+0x23f/0x940 [ 58.999678][ T551] ? create_io_thread+0x130/0x130 [ 59.004722][ T551] ? __kasan_check_write+0x14/0x20 [ 59.009848][ T551] ? mutex_unlock+0x89/0x220 [ 59.014452][ T551] __x64_sys_clone+0x176/0x1d0 [ 59.019322][ T551] ? __kasan_check_write+0x14/0x20 [ 59.024534][ T551] ? __ia32_sys_vfork+0xf0/0xf0 [ 59.029579][ T551] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 59.035684][ T551] x64_sys_call+0x41f/0x9a0 [ 59.040299][ T551] do_syscall_64+0x4c/0xa0 [ 59.044723][ T551] ? clear_bhb_loop+0x50/0xa0 [ 59.049404][ T551] ? clear_bhb_loop+0x50/0xa0 [ 59.054102][ T551] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 59.060100][ T551] RIP: 0033:0x7f25569a8ae9 [ 59.064538][ T551] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 59.084448][ T551] RSP: 002b:00007f255652b078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 59.093178][ T551] RAX: ffffffffffffffda RBX: 00007f2556ac7f80 RCX: 00007f25569a8ae9 [ 59.101271][ T551] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 59.109778][ T551] RBP: 00007f255652b120 R08: 0000000000000000 R09: 0000000000000000 [ 59.117869][ T551] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 59.126138][ T551] R13: 000000000000000b R14: 00007f2556ac7f80 R15: 00007ffc572e2ed8 [ 59.134251][ T551] [ 59.139418][ T558] CPU: 1 PID: 558 Comm: syz-executor.4 Tainted: G W syzkaller #0 [ 59.148593][ T558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 59.158849][ T558] Call Trace: [ 59.162138][ T558] [ 59.165116][ T558] __dump_stack+0x21/0x30 [ 59.169694][ T558] dump_stack_lvl+0xee/0x150 [ 59.174503][ T558] ? show_regs_print_info+0x20/0x20 [ 59.179814][ T558] dump_stack+0x15/0x20 [ 59.183981][ T558] should_fail+0x3c1/0x510 [ 59.188414][ T558] __should_failslab+0xa4/0xe0 [ 59.193182][ T558] should_failslab+0x9/0x20 [ 59.197787][ T558] slab_pre_alloc_hook+0x3b/0xe0 [ 59.202755][ T558] ? anon_vma_fork+0x200/0x510 [ 59.207643][ T558] kmem_cache_alloc+0x44/0x260 [ 59.212461][ T558] anon_vma_fork+0x200/0x510 [ 59.217134][ T558] copy_mm+0x9d1/0x13a0 [ 59.221387][ T558] ? copy_signal+0x600/0x600 [ 59.226044][ T558] ? __init_rwsem+0xfc/0x1d0 [ 59.230740][ T558] ? copy_signal+0x4cb/0x600 [ 59.235418][ T558] copy_process+0x115c/0x3210 [ 59.240108][ T558] ? __kasan_check_write+0x14/0x20 [ 59.245245][ T558] ? __pidfd_prepare+0x150/0x150 [ 59.250283][ T558] ? security_file_permission+0x83/0xa0 [ 59.255843][ T558] kernel_clone+0x23f/0x940 [ 59.260350][ T558] ? create_io_thread+0x130/0x130 [ 59.265551][ T558] ? __kasan_check_write+0x14/0x20 [ 59.270668][ T558] ? mutex_unlock+0x89/0x220 [ 59.275262][ T558] __x64_sys_clone+0x176/0x1d0 [ 59.280029][ T558] ? __kasan_check_write+0x14/0x20 [ 59.285246][ T558] ? __ia32_sys_vfork+0xf0/0xf0 [ 59.290292][ T558] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 59.296626][ T558] x64_sys_call+0x41f/0x9a0 [ 59.301222][ T558] do_syscall_64+0x4c/0xa0 [ 59.305639][ T558] ? clear_bhb_loop+0x50/0xa0 [ 59.310315][ T558] ? clear_bhb_loop+0x50/0xa0 [ 59.315081][ T558] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 59.321097][ T558] RIP: 0033:0x7f18572fcae9 [ 59.325514][ T558] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 59.345211][ T558] RSP: 002b:00007f1856e5e078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 59.353648][ T558] RAX: ffffffffffffffda RBX: 00007f185741c050 RCX: 00007f18572fcae9 [ 59.361772][ T558] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 59.369953][ T558] RBP: 00007f1856e5e120 R08: 0000000000000000 R09: 0000000000000000 [ 59.377960][ T558] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 59.385950][ T558] R13: 000000000000006e R14: 00007f185741c050 R15: 00007ffe6668e1c8 [ 59.394032][ T558] [ 59.397569][ T557] CPU: 1 PID: 557 Comm: syz-executor.5 Tainted: G W syzkaller #0 [ 59.407056][ T557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 59.417331][ T557] Call Trace: [ 59.420615][ T557] [ 59.423558][ T557] __dump_stack+0x21/0x30 [ 59.427901][ T557] dump_stack_lvl+0xee/0x150 [ 59.432772][ T557] ? show_regs_print_info+0x20/0x20 [ 59.438066][ T557] dump_stack+0x15/0x20 [ 59.442318][ T557] should_fail+0x3c1/0x510 [ 59.446775][ T557] __should_failslab+0xa4/0xe0 [ 59.451561][ T557] should_failslab+0x9/0x20 [ 59.456158][ T557] slab_pre_alloc_hook+0x3b/0xe0 [ 59.461261][ T557] ? anon_vma_fork+0x200/0x510 [ 59.466045][ T557] kmem_cache_alloc+0x44/0x260 [ 59.470812][ T557] anon_vma_fork+0x200/0x510 [ 59.475411][ T557] copy_mm+0x9d1/0x13a0 [ 59.479837][ T557] ? copy_signal+0x600/0x600 [ 59.484436][ T557] ? __init_rwsem+0xfc/0x1d0 [ 59.489246][ T557] ? copy_signal+0x4cb/0x600 [ 59.493934][ T557] copy_process+0x115c/0x3210 [ 59.498618][ T557] ? __kasan_check_write+0x14/0x20 [ 59.503832][ T557] ? __pidfd_prepare+0x150/0x150 [ 59.509010][ T557] ? security_file_permission+0x83/0xa0 [ 59.514670][ T557] kernel_clone+0x23f/0x940 [ 59.519183][ T557] ? create_io_thread+0x130/0x130 [ 59.524514][ T557] ? __kasan_check_write+0x14/0x20 [ 59.529717][ T557] ? mutex_unlock+0x89/0x220 [ 59.534315][ T557] __x64_sys_clone+0x176/0x1d0 [ 59.539180][ T557] ? __kasan_check_write+0x14/0x20 [ 59.544467][ T557] ? __ia32_sys_vfork+0xf0/0xf0 [ 59.549544][ T557] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 59.556287][ T557] x64_sys_call+0x41f/0x9a0 [ 59.560919][ T557] do_syscall_64+0x4c/0xa0 [ 59.565362][ T557] ? clear_bhb_loop+0x50/0xa0 [ 59.570050][ T557] ? clear_bhb_loop+0x50/0xa0 [ 59.574734][ T557] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 59.580835][ T557] RIP: 0033:0x7fbf6e830ae9 [ 59.585346][ T557] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 59.604957][ T557] RSP: 002b:00007fbf6e392078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 59.613377][ T557] RAX: ffffffffffffffda RBX: 00007fbf6e950050 RCX: 00007fbf6e830ae9 [ 59.621442][ T557] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 59.629417][ T557] RBP: 00007fbf6e392120 R08: 0000000000000000 R09: 0000000000000000 [ 59.637741][ T557] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 59.645978][ T557] R13: 000000000000006e R14: 00007fbf6e950050 R15: 00007ffca52c22d8 [ 59.654057][ T557] [ 59.658314][ T560] FAULT_INJECTION: forcing a failure. [ 59.658314][ T560] name failslab, interval 1, probability 0, space 0, times 0 [ 59.672473][ T560] CPU: 1 PID: 560 Comm: syz-executor.3 Tainted: G W syzkaller #0 [ 59.681809][ T560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 59.691980][ T560] Call Trace: [ 59.695276][ T560] [ 59.698355][ T560] __dump_stack+0x21/0x30 [ 59.702733][ T560] dump_stack_lvl+0xee/0x150 [ 59.707570][ T560] ? show_regs_print_info+0x20/0x20 [ 59.712777][ T560] dump_stack+0x15/0x20 [ 59.717047][ T560] should_fail+0x3c1/0x510 [ 59.721646][ T560] __should_failslab+0xa4/0xe0 [ 59.726414][ T560] should_failslab+0x9/0x20 [ 59.730937][ T560] slab_pre_alloc_hook+0x3b/0xe0 [ 59.736145][ T560] ? vm_area_dup+0x26/0x210 [ 59.740654][ T560] kmem_cache_alloc+0x44/0x260 [ 59.745423][ T560] vm_area_dup+0x26/0x210 [ 59.749856][ T560] copy_mm+0x93a/0x13a0 [ 59.754220][ T560] ? copy_signal+0x600/0x600 [ 59.758813][ T560] ? __init_rwsem+0xfc/0x1d0 [ 59.763414][ T560] ? copy_signal+0x4cb/0x600 [ 59.768034][ T560] copy_process+0x115c/0x3210 [ 59.772726][ T560] ? __kasan_check_write+0x14/0x20 [ 59.777853][ T560] ? __pidfd_prepare+0x150/0x150 [ 59.782961][ T560] ? security_file_permission+0x83/0xa0 [ 59.788615][ T560] kernel_clone+0x23f/0x940 [ 59.793212][ T560] ? create_io_thread+0x130/0x130 [ 59.798247][ T560] ? __kasan_check_write+0x14/0x20 [ 59.803360][ T560] ? mutex_unlock+0x89/0x220 [ 59.808066][ T560] __x64_sys_clone+0x176/0x1d0 [ 59.812842][ T560] ? __kasan_check_write+0x14/0x20 [ 59.818165][ T560] ? __ia32_sys_vfork+0xf0/0xf0 [ 59.823232][ T560] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 59.829308][ T560] x64_sys_call+0x41f/0x9a0 [ 59.833816][ T560] do_syscall_64+0x4c/0xa0 [ 59.838340][ T560] ? clear_bhb_loop+0x50/0xa0 [ 59.843276][ T560] ? clear_bhb_loop+0x50/0xa0 [ 59.847961][ T560] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 59.853862][ T560] RIP: 0033:0x7f84a4323ae9 [ 59.858285][ T560] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 59.878171][ T560] RSP: 002b:00007f84a3ea6078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 59.886793][ T560] RAX: ffffffffffffffda RBX: 00007f84a4442f80 RCX: 00007f84a4323ae9 [ 59.894780][ T560] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 59.902759][ T560] RBP: 00007f84a3ea6120 R08: 0000000000000000 R09: 0000000000000000 [ 59.910731][ T560] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 59.918801][ T560] R13: 000000000000000b R14: 00007f84a4442f80 R15: 00007ffff34eefe8 [ 59.926893][ T560] [ 59.935054][ T568] FAULT_INJECTION: forcing a failure. [ 59.935054][ T568] name failslab, interval 1, probability 0, space 0, times 0 [ 59.949467][ T568] CPU: 1 PID: 568 Comm: syz-executor.2 Tainted: G W syzkaller #0 [ 59.958908][ T568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 59.969268][ T568] Call Trace: [ 59.972689][ T568] [ 59.975638][ T568] __dump_stack+0x21/0x30 [ 59.979986][ T568] dump_stack_lvl+0xee/0x150 [ 59.984692][ T568] ? show_regs_print_info+0x20/0x20 [ 59.990259][ T568] dump_stack+0x15/0x20 [ 59.994597][ T568] should_fail+0x3c1/0x510 [ 59.999122][ T568] __should_failslab+0xa4/0xe0 [ 60.003902][ T568] should_failslab+0x9/0x20 [ 60.008409][ T568] slab_pre_alloc_hook+0x3b/0xe0 [ 60.013466][ T568] ? anon_vma_clone+0xc0/0x500 [ 60.018408][ T568] kmem_cache_alloc+0x44/0x260 [ 60.023611][ T568] anon_vma_clone+0xc0/0x500 [ 60.028210][ T568] anon_vma_fork+0x8c/0x510 [ 60.032978][ T568] copy_mm+0x9d1/0x13a0 [ 60.037161][ T568] ? copy_signal+0x600/0x600 [ 60.041841][ T568] ? __init_rwsem+0xfc/0x1d0 [ 60.046571][ T568] ? copy_signal+0x4cb/0x600 [ 60.051200][ T568] copy_process+0x115c/0x3210 [ 60.056157][ T568] ? __kasan_check_write+0x14/0x20 [ 60.061417][ T568] ? __pidfd_prepare+0x150/0x150 [ 60.066467][ T568] ? security_file_permission+0x83/0xa0 [ 60.072039][ T568] kernel_clone+0x23f/0x940 [ 60.076560][ T568] ? create_io_thread+0x130/0x130 [ 60.081594][ T568] ? __kasan_check_write+0x14/0x20 [ 60.086888][ T568] ? mutex_unlock+0x89/0x220 [ 60.091493][ T568] __x64_sys_clone+0x176/0x1d0 [ 60.096282][ T568] ? __kasan_check_write+0x14/0x20 [ 60.101395][ T568] ? __ia32_sys_vfork+0xf0/0xf0 [ 60.106316][ T568] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 60.112516][ T568] x64_sys_call+0x41f/0x9a0 [ 60.117128][ T568] do_syscall_64+0x4c/0xa0 [ 60.121637][ T568] ? clear_bhb_loop+0x50/0xa0 [ 60.126317][ T568] ? clear_bhb_loop+0x50/0xa0 [ 60.131093][ T568] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 60.137082][ T568] RIP: 0033:0x7f25569a8ae9 [ 60.141500][ T568] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 60.161635][ T568] RSP: 002b:00007f255652b078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 60.170247][ T568] RAX: ffffffffffffffda RBX: 00007f2556ac7f80 RCX: 00007f25569a8ae9 [ 60.179104][ T568] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 60.187090][ T568] RBP: 00007f255652b120 R08: 0000000000000000 R09: 0000000000000000 [ 60.195078][ T568] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 60.203233][ T568] R13: 000000000000000b R14: 00007f2556ac7f80 R15: 00007ffc572e2ed8 [ 60.211312][ T568] [ 60.215390][ T564] FAULT_INJECTION: forcing a failure. [ 60.215390][ T564] name failslab, interval 1, probability 0, space 0, times 0 [ 60.228990][ T566] FAULT_INJECTION: forcing a failure. [ 60.228990][ T566] name failslab, interval 1, probability 0, space 0, times 0 [ 60.244996][ T564] CPU: 1 PID: 564 Comm: syz-executor.1 Tainted: G W syzkaller #0 [ 60.254286][ T564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 60.264499][ T564] Call Trace: [ 60.267818][ T564] [ 60.270753][ T564] __dump_stack+0x21/0x30 [ 60.275105][ T564] dump_stack_lvl+0xee/0x150 [ 60.279725][ T564] ? show_regs_print_info+0x20/0x20 [ 60.285072][ T564] dump_stack+0x15/0x20 [ 60.289311][ T564] should_fail+0x3c1/0x510 [ 60.293848][ T564] __should_failslab+0xa4/0xe0 [ 60.298815][ T564] should_failslab+0x9/0x20 [ 60.303431][ T564] slab_pre_alloc_hook+0x3b/0xe0 [ 60.308378][ T564] ? anon_vma_clone+0xc0/0x500 [ 60.313329][ T564] kmem_cache_alloc+0x44/0x260 [ 60.318097][ T564] anon_vma_clone+0xc0/0x500 [ 60.322695][ T564] anon_vma_fork+0x8c/0x510 [ 60.327202][ T564] copy_mm+0x9d1/0x13a0 [ 60.331371][ T564] ? copy_signal+0x600/0x600 [ 60.336057][ T564] ? __init_rwsem+0xfc/0x1d0 [ 60.340833][ T564] ? copy_signal+0x4cb/0x600 [ 60.345514][ T564] copy_process+0x115c/0x3210 [ 60.350285][ T564] ? __kasan_check_write+0x14/0x20 [ 60.355658][ T564] ? __pidfd_prepare+0x150/0x150 [ 60.360597][ T564] ? security_file_permission+0x83/0xa0 [ 60.366237][ T564] kernel_clone+0x23f/0x940 [ 60.370745][ T564] ? create_io_thread+0x130/0x130 [ 60.375809][ T564] ? __kasan_check_write+0x14/0x20 [ 60.381139][ T564] ? mutex_unlock+0x89/0x220 [ 60.385732][ T564] __x64_sys_clone+0x176/0x1d0 [ 60.390500][ T564] ? __kasan_check_write+0x14/0x20 [ 60.395712][ T564] ? __ia32_sys_vfork+0xf0/0xf0 [ 60.400746][ T564] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 60.407371][ T564] x64_sys_call+0x41f/0x9a0 [ 60.411878][ T564] do_syscall_64+0x4c/0xa0 [ 60.416297][ T564] ? clear_bhb_loop+0x50/0xa0 [ 60.421061][ T564] ? clear_bhb_loop+0x50/0xa0 [ 60.425860][ T564] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 60.431848][ T564] RIP: 0033:0x7fe31a2afae9 [ 60.436460][ T564] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 60.456534][ T564] RSP: 002b:00007fe319e32078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 60.465138][ T564] RAX: ffffffffffffffda RBX: 00007fe31a3cef80 RCX: 00007fe31a2afae9 [ 60.473131][ T564] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 60.481190][ T564] RBP: 00007fe319e32120 R08: 0000000000000000 R09: 0000000000000000 [ 60.489402][ T564] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 60.497400][ T564] R13: 000000000000000b R14: 00007fe31a3cef80 R15: 00007ffdb5f74a38 [ 60.505482][ T564] [ 60.515602][ T566] CPU: 1 PID: 566 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 60.524781][ T566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 60.535037][ T566] Call Trace: [ 60.538654][ T566] [ 60.541619][ T566] __dump_stack+0x21/0x30 [ 60.546075][ T566] dump_stack_lvl+0xee/0x150 [ 60.550716][ T566] ? show_regs_print_info+0x20/0x20 [ 60.555944][ T566] dump_stack+0x15/0x20 [ 60.560130][ T566] should_fail+0x3c1/0x510 [ 60.564559][ T566] __should_failslab+0xa4/0xe0 [ 60.569343][ T566] should_failslab+0x9/0x20 [ 60.573847][ T566] slab_pre_alloc_hook+0x3b/0xe0 [ 60.578891][ T566] ? anon_vma_fork+0xf2/0x510 [ 60.583769][ T566] kmem_cache_alloc+0x44/0x260 [ 60.588654][ T566] anon_vma_fork+0xf2/0x510 [ 60.593166][ T566] copy_mm+0x9d1/0x13a0 [ 60.597515][ T566] ? copy_signal+0x600/0x600 [ 60.602104][ T566] ? __init_rwsem+0xfc/0x1d0 [ 60.606695][ T566] ? copy_signal+0x4cb/0x600 [ 60.611474][ T566] copy_process+0x115c/0x3210 [ 60.616691][ T566] ? __kasan_check_write+0x14/0x20 [ 60.621894][ T566] ? __pidfd_prepare+0x150/0x150 [ 60.626921][ T566] ? security_file_permission+0x83/0xa0 [ 60.632474][ T566] kernel_clone+0x23f/0x940 [ 60.637007][ T566] ? create_io_thread+0x130/0x130 [ 60.642066][ T566] ? __kasan_check_write+0x14/0x20 [ 60.647202][ T566] ? mutex_unlock+0x89/0x220 [ 60.651845][ T566] __x64_sys_clone+0x176/0x1d0 [ 60.656635][ T566] ? __kasan_check_write+0x14/0x20 [ 60.662152][ T566] ? __ia32_sys_vfork+0xf0/0xf0 [ 60.667018][ T566] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 60.673104][ T566] x64_sys_call+0x41f/0x9a0 [ 60.677630][ T566] do_syscall_64+0x4c/0xa0 [ 60.682141][ T566] ? clear_bhb_loop+0x50/0xa0 [ 60.686827][ T566] ? clear_bhb_loop+0x50/0xa0 [ 60.691524][ T566] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 60.697425][ T566] RIP: 0033:0x7ff46e262ae9 [ 60.701863][ T566] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 60.721966][ T566] RSP: 002b:00007ff46ddc4078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 60.730575][ T566] RAX: ffffffffffffffda RBX: 00007ff46e382050 RCX: 00007ff46e262ae9 [ 60.738554][ T566] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 60.746982][ T566] RBP: 00007ff46ddc4120 R08: 0000000000000000 R09: 0000000000000000 [ 60.755094][ T566] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 60.763089][ T566] R13: 000000000000006e R14: 00007ff46e382050 R15: 00007ffd8c3b1f78 [ 60.771381][ T566] [ 60.776414][ T571] FAULT_INJECTION: forcing a failure. [ 60.776414][ T571] name failslab, interval 1, probability 0, space 0, times 0 [ 60.790530][ T575] FAULT_INJECTION: forcing a failure. [ 60.790530][ T575] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 60.791489][ T571] CPU: 1 PID: 571 Comm: syz-executor.5 Tainted: G W syzkaller #0 [ 60.813561][ T571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 60.823971][ T571] Call Trace: [ 60.827265][ T571] [ 60.830303][ T571] __dump_stack+0x21/0x30 [ 60.834727][ T571] dump_stack_lvl+0xee/0x150 [ 60.839408][ T571] ? show_regs_print_info+0x20/0x20 [ 60.844801][ T571] dump_stack+0x15/0x20 [ 60.848969][ T571] should_fail+0x3c1/0x510 [ 60.853390][ T571] __should_failslab+0xa4/0xe0 [ 60.858404][ T571] should_failslab+0x9/0x20 [ 60.862905][ T571] slab_pre_alloc_hook+0x3b/0xe0 [ 60.867854][ T571] ? vm_area_dup+0x26/0x210 [ 60.872358][ T571] kmem_cache_alloc+0x44/0x260 [ 60.877313][ T571] vm_area_dup+0x26/0x210 [ 60.881656][ T571] copy_mm+0x93a/0x13a0 [ 60.885903][ T571] ? copy_signal+0x600/0x600 [ 60.890909][ T571] ? __init_rwsem+0xfc/0x1d0 [ 60.895541][ T571] ? copy_signal+0x4cb/0x600 [ 60.900317][ T571] copy_process+0x115c/0x3210 [ 60.905326][ T571] ? __kasan_check_write+0x14/0x20 [ 60.910577][ T571] ? __pidfd_prepare+0x150/0x150 [ 60.915639][ T571] ? security_file_permission+0x83/0xa0 [ 60.921287][ T571] kernel_clone+0x23f/0x940 [ 60.925803][ T571] ? create_io_thread+0x130/0x130 [ 60.931009][ T571] ? __kasan_check_write+0x14/0x20 [ 60.936129][ T571] ? mutex_unlock+0x89/0x220 [ 60.940740][ T571] __x64_sys_clone+0x176/0x1d0 [ 60.945608][ T571] ? __kasan_check_write+0x14/0x20 [ 60.950906][ T571] ? __ia32_sys_vfork+0xf0/0xf0 [ 60.955760][ T571] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 60.962276][ T571] x64_sys_call+0x41f/0x9a0 [ 60.966786][ T571] do_syscall_64+0x4c/0xa0 [ 60.971211][ T571] ? clear_bhb_loop+0x50/0xa0 [ 60.975891][ T571] ? clear_bhb_loop+0x50/0xa0 [ 60.980567][ T571] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 60.986465][ T571] RIP: 0033:0x7fbf6e830ae9 [ 60.990880][ T571] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 61.010637][ T571] RSP: 002b:00007fbf6e3b3078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 61.019063][ T571] RAX: ffffffffffffffda RBX: 00007fbf6e94ff80 RCX: 00007fbf6e830ae9 [ 61.027232][ T571] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 61.035214][ T571] RBP: 00007fbf6e3b3120 R08: 0000000000000000 R09: 0000000000000000 [ 61.043285][ T571] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 61.051273][ T571] R13: 000000000000000b R14: 00007fbf6e94ff80 R15: 00007ffca52c22d8 [ 61.059348][ T571] [ 61.065116][ T580] FAULT_INJECTION: forcing a failure. [ 61.065116][ T580] name failslab, interval 1, probability 0, space 0, times 0 [ 61.065551][ T575] CPU: 1 PID: 575 Comm: syz-executor.3 Tainted: G W syzkaller #0 [ 61.087286][ T575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 61.097532][ T575] Call Trace: [ 61.100991][ T575] [ 61.103927][ T575] __dump_stack+0x21/0x30 [ 61.108271][ T575] dump_stack_lvl+0xee/0x150 [ 61.112880][ T575] ? show_regs_print_info+0x20/0x20 [ 61.118085][ T575] dump_stack+0x15/0x20 [ 61.122245][ T575] should_fail+0x3c1/0x510 [ 61.126666][ T575] should_fail_alloc_page+0x55/0x80 [ 61.131882][ T575] prepare_alloc_pages+0x156/0x600 [ 61.137019][ T575] ? __alloc_pages_bulk+0xab0/0xab0 [ 61.142224][ T575] ? __alloc_pages+0x440/0x440 [ 61.147079][ T575] __alloc_pages+0x10a/0x440 [ 61.152109][ T575] ? prep_new_page+0x110/0x110 [ 61.156995][ T575] ? __kasan_check_write+0x14/0x20 [ 61.162219][ T575] ? _raw_spin_lock+0x8e/0xe0 [ 61.167102][ T575] pte_alloc_one+0x70/0x180 [ 61.171617][ T575] ? pfn_modify_allowed+0x2f0/0x2f0 [ 61.176925][ T575] ? __mod_lruvec_page_state+0x15d/0x1c0 [ 61.182572][ T575] ? _raw_spin_unlock+0x4d/0x70 [ 61.187830][ T575] ? __pmd_alloc+0x3ef/0x4a0 [ 61.192710][ T575] ? copy_process+0x115c/0x3210 [ 61.197659][ T575] ? kernel_clone+0x23f/0x940 [ 61.202441][ T575] __pte_alloc+0x75/0x290 [ 61.206780][ T575] ? __pud_alloc+0x1a0/0x1a0 [ 61.211383][ T575] ? __kasan_slab_alloc+0xcf/0xf0 [ 61.216496][ T575] ? free_pgtables+0x280/0x280 [ 61.221270][ T575] ? anon_vma_fork+0x200/0x510 [ 61.226326][ T575] ? copy_process+0x115c/0x3210 [ 61.231200][ T575] ? kernel_clone+0x23f/0x940 [ 61.235890][ T575] ? __x64_sys_clone+0x176/0x1d0 [ 61.240838][ T575] ? do_syscall_64+0x4c/0xa0 [ 61.245448][ T575] copy_page_range+0x2348/0x2890 [ 61.250572][ T575] ? pfn_valid+0x1d0/0x1d0 [ 61.255241][ T575] copy_mm+0xbe2/0x13a0 [ 61.259445][ T575] ? copy_signal+0x600/0x600 [ 61.264059][ T575] ? __init_rwsem+0xfc/0x1d0 [ 61.268707][ T575] ? copy_signal+0x4cb/0x600 [ 61.273324][ T575] copy_process+0x115c/0x3210 [ 61.278455][ T575] ? __kasan_check_write+0x14/0x20 [ 61.283600][ T575] ? __pidfd_prepare+0x150/0x150 [ 61.288758][ T575] ? security_file_permission+0x83/0xa0 [ 61.294420][ T575] kernel_clone+0x23f/0x940 [ 61.298961][ T575] ? create_io_thread+0x130/0x130 [ 61.303991][ T575] ? __kasan_check_write+0x14/0x20 [ 61.309293][ T575] ? mutex_unlock+0x89/0x220 [ 61.313897][ T575] __x64_sys_clone+0x176/0x1d0 [ 61.318891][ T575] ? __kasan_check_write+0x14/0x20 [ 61.324025][ T575] ? __ia32_sys_vfork+0xf0/0xf0 [ 61.328903][ T575] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 61.335078][ T575] x64_sys_call+0x41f/0x9a0 [ 61.339676][ T575] do_syscall_64+0x4c/0xa0 [ 61.344101][ T575] ? clear_bhb_loop+0x50/0xa0 [ 61.348819][ T575] ? clear_bhb_loop+0x50/0xa0 [ 61.353510][ T575] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 61.359414][ T575] RIP: 0033:0x7f84a4323ae9 [ 61.363833][ T575] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 61.383747][ T575] RSP: 002b:00007f84a3ea6078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 61.392386][ T575] RAX: ffffffffffffffda RBX: 00007f84a4442f80 RCX: 00007f84a4323ae9 [ 61.400377][ T575] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 61.408452][ T575] RBP: 00007f84a3ea6120 R08: 0000000000000000 R09: 0000000000000000 [ 61.416791][ T575] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 61.425035][ T575] R13: 000000000000000b R14: 00007f84a4442f80 R15: 00007ffff34eefe8 [ 61.433146][ T575] [ 61.437259][ T573] FAULT_INJECTION: forcing a failure. [ 61.437259][ T573] name failslab, interval 1, probability 0, space 0, times 0 [ 61.450641][ T580] CPU: 1 PID: 580 Comm: syz-executor.2 Tainted: G W syzkaller #0 [ 61.460017][ T580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 61.470269][ T580] Call Trace: [ 61.473647][ T580] [ 61.476590][ T580] __dump_stack+0x21/0x30 [ 61.481114][ T580] dump_stack_lvl+0xee/0x150 [ 61.485822][ T580] ? show_regs_print_info+0x20/0x20 [ 61.491038][ T580] dump_stack+0x15/0x20 [ 61.495194][ T580] should_fail+0x3c1/0x510 [ 61.499627][ T580] __should_failslab+0xa4/0xe0 [ 61.504399][ T580] should_failslab+0x9/0x20 [ 61.508915][ T580] slab_pre_alloc_hook+0x3b/0xe0 [ 61.513856][ T580] ? anon_vma_clone+0xc0/0x500 [ 61.518712][ T580] kmem_cache_alloc+0x44/0x260 [ 61.523483][ T580] anon_vma_clone+0xc0/0x500 [ 61.528081][ T580] anon_vma_fork+0x8c/0x510 [ 61.532588][ T580] copy_mm+0x9d1/0x13a0 [ 61.536774][ T580] ? copy_signal+0x600/0x600 [ 61.541451][ T580] ? __init_rwsem+0xfc/0x1d0 [ 61.546040][ T580] ? copy_signal+0x4cb/0x600 [ 61.550802][ T580] copy_process+0x115c/0x3210 [ 61.555489][ T580] ? __kasan_check_write+0x14/0x20 [ 61.560604][ T580] ? __pidfd_prepare+0x150/0x150 [ 61.565546][ T580] ? security_file_permission+0x83/0xa0 [ 61.571121][ T580] kernel_clone+0x23f/0x940 [ 61.575639][ T580] ? create_io_thread+0x130/0x130 [ 61.580669][ T580] ? __kasan_check_write+0x14/0x20 [ 61.585877][ T580] ? mutex_unlock+0x89/0x220 [ 61.590658][ T580] __x64_sys_clone+0x176/0x1d0 [ 61.595435][ T580] ? __kasan_check_write+0x14/0x20 [ 61.600654][ T580] ? __ia32_sys_vfork+0xf0/0xf0 [ 61.605692][ T580] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 61.611767][ T580] x64_sys_call+0x41f/0x9a0 [ 61.616293][ T580] do_syscall_64+0x4c/0xa0 [ 61.620931][ T580] ? clear_bhb_loop+0x50/0xa0 [ 61.625835][ T580] ? clear_bhb_loop+0x50/0xa0 [ 61.630526][ T580] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 61.636540][ T580] RIP: 0033:0x7f25569a8ae9 [ 61.640964][ T580] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 61.661040][ T580] RSP: 002b:00007f255652b078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 61.669758][ T580] RAX: ffffffffffffffda RBX: 00007f2556ac7f80 RCX: 00007f25569a8ae9 [ 61.677842][ T580] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 61.686513][ T580] RBP: 00007f255652b120 R08: 0000000000000000 R09: 0000000000000000 [ 61.695013][ T580] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 61.703174][ T580] R13: 000000000000000b R14: 00007f2556ac7f80 R15: 00007ffc572e2ed8 [ 61.711417][ T580] [ 61.714777][ T573] CPU: 0 PID: 573 Comm: syz-executor.4 Tainted: G W syzkaller #0 [ 61.715899][ T578] FAULT_INJECTION: forcing a failure. [ 61.715899][ T578] name failslab, interval 1, probability 0, space 0, times 0 [ 61.723978][ T573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 61.723998][ T573] Call Trace: [ 61.724006][ T573] [ 61.724013][ T573] __dump_stack+0x21/0x30 [ 61.724041][ T573] dump_stack_lvl+0xee/0x150 [ 61.724060][ T573] ? show_regs_print_info+0x20/0x20 [ 61.724085][ T573] dump_stack+0x15/0x20 [ 61.772165][ T573] should_fail+0x3c1/0x510 [ 61.776718][ T573] __should_failslab+0xa4/0xe0 [ 61.781832][ T573] should_failslab+0x9/0x20 [ 61.786689][ T573] slab_pre_alloc_hook+0x3b/0xe0 [ 61.791661][ T573] ? anon_vma_fork+0x200/0x510 [ 61.796451][ T573] kmem_cache_alloc+0x44/0x260 [ 61.801225][ T573] anon_vma_fork+0x200/0x510 [ 61.805965][ T573] copy_mm+0x9d1/0x13a0 [ 61.810256][ T573] ? copy_signal+0x600/0x600 [ 61.815300][ T573] ? __init_rwsem+0xfc/0x1d0 [ 61.820029][ T573] ? copy_signal+0x4cb/0x600 [ 61.824746][ T573] copy_process+0x115c/0x3210 [ 61.829450][ T573] ? __kasan_check_write+0x14/0x20 [ 61.834572][ T573] ? __pidfd_prepare+0x150/0x150 [ 61.839519][ T573] ? security_file_permission+0x83/0xa0 [ 61.845250][ T573] kernel_clone+0x23f/0x940 [ 61.849972][ T573] ? create_io_thread+0x130/0x130 [ 61.855184][ T573] ? __kasan_check_write+0x14/0x20 [ 61.860409][ T573] ? mutex_unlock+0x89/0x220 [ 61.865009][ T573] __x64_sys_clone+0x176/0x1d0 [ 61.869866][ T573] ? __kasan_check_write+0x14/0x20 [ 61.875394][ T573] ? __ia32_sys_vfork+0xf0/0xf0 [ 61.880372][ T573] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 61.886452][ T573] x64_sys_call+0x41f/0x9a0 [ 61.890968][ T573] do_syscall_64+0x4c/0xa0 [ 61.895398][ T573] ? clear_bhb_loop+0x50/0xa0 [ 61.900089][ T573] ? clear_bhb_loop+0x50/0xa0 [ 61.904788][ T573] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 61.910685][ T573] RIP: 0033:0x7f18572fcae9 [ 61.915302][ T573] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 61.935243][ T573] RSP: 002b:00007f1856e7f078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 2025/12/11 09:31:15 executed programs: 66 [ 61.943858][ T573] RAX: ffffffffffffffda RBX: 00007f185741bf80 RCX: 00007f18572fcae9 [ 61.952049][ T573] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 61.960046][ T573] RBP: 00007f1856e7f120 R08: 0000000000000000 R09: 0000000000000000 [ 61.968309][ T573] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 61.976462][ T573] R13: 000000000000000b R14: 00007f185741bf80 R15: 00007ffe6668e1c8 [ 61.984559][ T573] [ 61.999204][ T583] FAULT_INJECTION: forcing a failure. [ 61.999204][ T583] name failslab, interval 1, probability 0, space 0, times 0 [ 62.014484][ T578] CPU: 0 PID: 578 Comm: syz-executor.1 Tainted: G W syzkaller #0 [ 62.015072][ T586] FAULT_INJECTION: forcing a failure. [ 62.015072][ T586] name failslab, interval 1, probability 0, space 0, times 0 [ 62.036532][ T578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 62.046617][ T578] Call Trace: [ 62.050002][ T578] [ 62.053039][ T578] __dump_stack+0x21/0x30 [ 62.057378][ T578] dump_stack_lvl+0xee/0x150 [ 62.061972][ T578] ? show_regs_print_info+0x20/0x20 [ 62.067178][ T578] dump_stack+0x15/0x20 [ 62.071360][ T578] should_fail+0x3c1/0x510 [ 62.075784][ T578] __should_failslab+0xa4/0xe0 [ 62.080557][ T578] should_failslab+0x9/0x20 [ 62.085065][ T578] slab_pre_alloc_hook+0x3b/0xe0 [ 62.090012][ T578] ? vm_area_dup+0x26/0x210 [ 62.094524][ T578] kmem_cache_alloc+0x44/0x260 [ 62.099382][ T578] vm_area_dup+0x26/0x210 [ 62.103725][ T578] copy_mm+0x93a/0x13a0 [ 62.108006][ T578] ? copy_signal+0x600/0x600 [ 62.112729][ T578] ? __init_rwsem+0xfc/0x1d0 [ 62.117449][ T578] ? copy_signal+0x4cb/0x600 [ 62.122059][ T578] copy_process+0x115c/0x3210 [ 62.126912][ T578] ? __kasan_check_write+0x14/0x20 [ 62.132087][ T578] ? __pidfd_prepare+0x150/0x150 [ 62.137258][ T578] ? security_file_permission+0x83/0xa0 [ 62.142829][ T578] kernel_clone+0x23f/0x940 [ 62.147355][ T578] ? create_io_thread+0x130/0x130 [ 62.152495][ T578] ? __kasan_check_write+0x14/0x20 [ 62.157716][ T578] ? mutex_unlock+0x89/0x220 [ 62.162325][ T578] __x64_sys_clone+0x176/0x1d0 [ 62.167105][ T578] ? __kasan_check_write+0x14/0x20 [ 62.172228][ T578] ? __ia32_sys_vfork+0xf0/0xf0 [ 62.177201][ T578] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 62.183280][ T578] x64_sys_call+0x41f/0x9a0 [ 62.187798][ T578] do_syscall_64+0x4c/0xa0 [ 62.192233][ T578] ? clear_bhb_loop+0x50/0xa0 [ 62.196930][ T578] ? clear_bhb_loop+0x50/0xa0 [ 62.201626][ T578] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 62.207914][ T578] RIP: 0033:0x7fe31a2afae9 [ 62.212363][ T578] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 62.232197][ T578] RSP: 002b:00007fe319e32078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 62.240622][ T578] RAX: ffffffffffffffda RBX: 00007fe31a3cef80 RCX: 00007fe31a2afae9 [ 62.248597][ T578] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 62.256572][ T578] RBP: 00007fe319e32120 R08: 0000000000000000 R09: 0000000000000000 [ 62.264689][ T578] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 62.272667][ T578] R13: 000000000000000b R14: 00007fe31a3cef80 R15: 00007ffdb5f74a38 [ 62.280977][ T578] [ 62.284466][ T586] CPU: 1 PID: 586 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 62.293530][ T586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 62.303607][ T586] Call Trace: [ 62.306906][ T586] [ 62.309853][ T586] __dump_stack+0x21/0x30 [ 62.314209][ T586] dump_stack_lvl+0xee/0x150 [ 62.318814][ T586] ? show_regs_print_info+0x20/0x20 [ 62.324023][ T586] dump_stack+0x15/0x20 [ 62.328186][ T586] should_fail+0x3c1/0x510 [ 62.332606][ T586] __should_failslab+0xa4/0xe0 [ 62.337387][ T586] should_failslab+0x9/0x20 [ 62.341903][ T586] slab_pre_alloc_hook+0x3b/0xe0 [ 62.346846][ T586] ? anon_vma_clone+0xc0/0x500 [ 62.351633][ T586] kmem_cache_alloc+0x44/0x260 [ 62.356491][ T586] anon_vma_clone+0xc0/0x500 [ 62.361086][ T586] anon_vma_fork+0x8c/0x510 [ 62.365591][ T586] copy_mm+0x9d1/0x13a0 [ 62.369889][ T586] ? copy_signal+0x600/0x600 [ 62.374503][ T586] ? __init_rwsem+0xfc/0x1d0 [ 62.379106][ T586] ? copy_signal+0x4cb/0x600 [ 62.383714][ T586] copy_process+0x115c/0x3210 [ 62.388421][ T586] ? __kasan_check_write+0x14/0x20 [ 62.393545][ T586] ? __pidfd_prepare+0x150/0x150 [ 62.398583][ T586] ? security_file_permission+0x83/0xa0 [ 62.404229][ T586] kernel_clone+0x23f/0x940 [ 62.408743][ T586] ? create_io_thread+0x130/0x130 [ 62.413806][ T586] ? __kasan_check_write+0x14/0x20 [ 62.418930][ T586] ? mutex_unlock+0x89/0x220 [ 62.423536][ T586] __x64_sys_clone+0x176/0x1d0 [ 62.428327][ T586] ? __kasan_check_write+0x14/0x20 [ 62.433649][ T586] ? __ia32_sys_vfork+0xf0/0xf0 [ 62.438649][ T586] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 62.444842][ T586] x64_sys_call+0x41f/0x9a0 [ 62.449360][ T586] do_syscall_64+0x4c/0xa0 [ 62.453891][ T586] ? clear_bhb_loop+0x50/0xa0 [ 62.458781][ T586] ? clear_bhb_loop+0x50/0xa0 [ 62.463478][ T586] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 62.469585][ T586] RIP: 0033:0x7ff46e262ae9 [ 62.474024][ T586] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 62.493815][ T586] RSP: 002b:00007ff46dde5078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 62.502462][ T586] RAX: ffffffffffffffda RBX: 00007ff46e381f80 RCX: 00007ff46e262ae9 [ 62.510654][ T586] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 62.518748][ T586] RBP: 00007ff46dde5120 R08: 0000000000000000 R09: 0000000000000000 [ 62.526726][ T586] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 62.534723][ T586] R13: 000000000000000b R14: 00007ff46e381f80 R15: 00007ffd8c3b1f78 [ 62.542799][ T586] [ 62.547011][ T587] FAULT_INJECTION: forcing a failure. [ 62.547011][ T587] name failslab, interval 1, probability 0, space 0, times 0 [ 62.571843][ T590] FAULT_INJECTION: forcing a failure. [ 62.571843][ T590] name failslab, interval 1, probability 0, space 0, times 0 [ 62.583167][ T587] CPU: 0 PID: 587 Comm: syz-executor.5 Tainted: G W syzkaller #0 [ 62.593623][ T587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 62.603897][ T587] Call Trace: [ 62.607206][ T587] [ 62.610229][ T587] __dump_stack+0x21/0x30 [ 62.614827][ T587] dump_stack_lvl+0xee/0x150 [ 62.619469][ T587] ? show_regs_print_info+0x20/0x20 [ 62.624828][ T587] dump_stack+0x15/0x20 [ 62.629017][ T587] should_fail+0x3c1/0x510 [ 62.633727][ T587] __should_failslab+0xa4/0xe0 [ 62.638868][ T587] should_failslab+0x9/0x20 [ 62.643378][ T587] slab_pre_alloc_hook+0x3b/0xe0 [ 62.648339][ T587] ? anon_vma_clone+0xc0/0x500 [ 62.653113][ T587] kmem_cache_alloc+0x44/0x260 [ 62.657893][ T587] anon_vma_clone+0xc0/0x500 [ 62.662596][ T587] anon_vma_fork+0x8c/0x510 [ 62.667111][ T587] copy_mm+0x9d1/0x13a0 [ 62.671447][ T587] ? copy_signal+0x600/0x600 [ 62.676034][ T587] ? __init_rwsem+0xfc/0x1d0 [ 62.680855][ T587] ? copy_signal+0x4cb/0x600 [ 62.685444][ T587] copy_process+0x115c/0x3210 [ 62.690128][ T587] ? __kasan_check_write+0x14/0x20 [ 62.695245][ T587] ? __pidfd_prepare+0x150/0x150 [ 62.700191][ T587] ? security_file_permission+0x83/0xa0 [ 62.705896][ T587] kernel_clone+0x23f/0x940 [ 62.710520][ T587] ? create_io_thread+0x130/0x130 [ 62.715549][ T587] ? __kasan_check_write+0x14/0x20 [ 62.720756][ T587] ? mutex_unlock+0x89/0x220 [ 62.725617][ T587] __x64_sys_clone+0x176/0x1d0 [ 62.730399][ T587] ? __kasan_check_write+0x14/0x20 [ 62.735518][ T587] ? __ia32_sys_vfork+0xf0/0xf0 [ 62.740382][ T587] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 62.746549][ T587] x64_sys_call+0x41f/0x9a0 [ 62.751355][ T587] do_syscall_64+0x4c/0xa0 [ 62.756053][ T587] ? clear_bhb_loop+0x50/0xa0 [ 62.760754][ T587] ? clear_bhb_loop+0x50/0xa0 [ 62.765715][ T587] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 62.771619][ T587] RIP: 0033:0x7fbf6e830ae9 [ 62.776229][ T587] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 62.797091][ T587] RSP: 002b:00007fbf6e3b3078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 62.805803][ T587] RAX: ffffffffffffffda RBX: 00007fbf6e94ff80 RCX: 00007fbf6e830ae9 [ 62.813968][ T587] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 62.821970][ T587] RBP: 00007fbf6e3b3120 R08: 0000000000000000 R09: 0000000000000000 [ 62.830052][ T587] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 62.838209][ T587] R13: 000000000000000b R14: 00007fbf6e94ff80 R15: 00007ffca52c22d8 [ 62.846212][ T587] [ 62.849585][ T583] CPU: 0 PID: 583 Comm: syz-executor.2 Tainted: G W syzkaller #0 [ 62.859159][ T583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 62.869328][ T583] Call Trace: [ 62.872613][ T583] [ 62.875571][ T583] __dump_stack+0x21/0x30 [ 62.879937][ T583] dump_stack_lvl+0xee/0x150 [ 62.884638][ T583] ? show_regs_print_info+0x20/0x20 [ 62.889853][ T583] dump_stack+0x15/0x20 [ 62.894207][ T583] should_fail+0x3c1/0x510 [ 62.899217][ T583] __should_failslab+0xa4/0xe0 [ 62.903987][ T583] should_failslab+0x9/0x20 [ 62.908509][ T583] slab_pre_alloc_hook+0x3b/0xe0 [ 62.913485][ T583] ? anon_vma_clone+0xc0/0x500 [ 62.918334][ T583] kmem_cache_alloc+0x44/0x260 [ 62.923102][ T583] anon_vma_clone+0xc0/0x500 [ 62.927873][ T583] anon_vma_fork+0x8c/0x510 [ 62.932463][ T583] copy_mm+0x9d1/0x13a0 [ 62.936723][ T583] ? copy_signal+0x600/0x600 [ 62.941403][ T583] ? __init_rwsem+0xfc/0x1d0 [ 62.946345][ T583] ? copy_signal+0x4cb/0x600 [ 62.951027][ T583] copy_process+0x115c/0x3210 [ 62.955800][ T583] ? __kasan_check_write+0x14/0x20 [ 62.961031][ T583] ? __pidfd_prepare+0x150/0x150 [ 62.966239][ T583] ? security_file_permission+0x83/0xa0 [ 62.972263][ T583] kernel_clone+0x23f/0x940 [ 62.976861][ T583] ? create_io_thread+0x130/0x130 [ 62.981988][ T583] ? __kasan_check_write+0x14/0x20 [ 62.987399][ T583] ? mutex_unlock+0x89/0x220 [ 62.992628][ T583] __x64_sys_clone+0x176/0x1d0 [ 62.997506][ T583] ? __kasan_check_write+0x14/0x20 [ 63.002669][ T583] ? __ia32_sys_vfork+0xf0/0xf0 [ 63.007810][ T583] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 63.014149][ T583] x64_sys_call+0x41f/0x9a0 [ 63.018917][ T583] do_syscall_64+0x4c/0xa0 [ 63.023348][ T583] ? clear_bhb_loop+0x50/0xa0 [ 63.028033][ T583] ? clear_bhb_loop+0x50/0xa0 [ 63.032712][ T583] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 63.038609][ T583] RIP: 0033:0x7f25569a8ae9 [ 63.043127][ T583] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 63.063030][ T583] RSP: 002b:00007f255652b078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 63.071461][ T583] RAX: ffffffffffffffda RBX: 00007f2556ac7f80 RCX: 00007f25569a8ae9 [ 63.079433][ T583] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 63.087592][ T583] RBP: 00007f255652b120 R08: 0000000000000000 R09: 0000000000000000 [ 63.095565][ T583] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 63.103650][ T583] R13: 000000000000000b R14: 00007f2556ac7f80 R15: 00007ffc572e2ed8 [ 63.111720][ T583] [ 63.117945][ T590] CPU: 1 PID: 590 Comm: syz-executor.1 Tainted: G W syzkaller #0 [ 63.127029][ T590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 63.137207][ T590] Call Trace: [ 63.140497][ T590] [ 63.143451][ T590] __dump_stack+0x21/0x30 [ 63.147792][ T590] dump_stack_lvl+0xee/0x150 [ 63.152397][ T590] ? show_regs_print_info+0x20/0x20 [ 63.157648][ T590] dump_stack+0x15/0x20 [ 63.161827][ T590] should_fail+0x3c1/0x510 [ 63.166303][ T590] __should_failslab+0xa4/0xe0 [ 63.171079][ T590] should_failslab+0x9/0x20 [ 63.175598][ T590] slab_pre_alloc_hook+0x3b/0xe0 [ 63.180711][ T590] ? anon_vma_clone+0xc0/0x500 [ 63.185491][ T590] kmem_cache_alloc+0x44/0x260 [ 63.190294][ T590] anon_vma_clone+0xc0/0x500 [ 63.194912][ T590] anon_vma_fork+0x8c/0x510 [ 63.199429][ T590] copy_mm+0x9d1/0x13a0 [ 63.203607][ T590] ? copy_signal+0x600/0x600 [ 63.208211][ T590] ? __init_rwsem+0xfc/0x1d0 [ 63.212931][ T590] ? copy_signal+0x4cb/0x600 [ 63.217637][ T590] copy_process+0x115c/0x3210 [ 63.222521][ T590] ? __kasan_check_write+0x14/0x20 [ 63.227642][ T590] ? __pidfd_prepare+0x150/0x150 [ 63.232671][ T590] ? security_file_permission+0x83/0xa0 [ 63.238226][ T590] kernel_clone+0x23f/0x940 [ 63.242829][ T590] ? create_io_thread+0x130/0x130 [ 63.248034][ T590] ? __kasan_check_write+0x14/0x20 [ 63.253282][ T590] ? mutex_unlock+0x89/0x220 [ 63.257990][ T590] __x64_sys_clone+0x176/0x1d0 [ 63.262861][ T590] ? __kasan_check_write+0x14/0x20 [ 63.268152][ T590] ? __ia32_sys_vfork+0xf0/0xf0 [ 63.273013][ T590] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 63.279090][ T590] x64_sys_call+0x41f/0x9a0 [ 63.283614][ T590] do_syscall_64+0x4c/0xa0 [ 63.288139][ T590] ? clear_bhb_loop+0x50/0xa0 [ 63.292824][ T590] ? clear_bhb_loop+0x50/0xa0 [ 63.297514][ T590] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 63.303958][ T590] RIP: 0033:0x7fe31a2afae9 [ 63.308394][ T590] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 63.328506][ T590] RSP: 002b:00007fe319e32078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 63.337016][ T590] RAX: ffffffffffffffda RBX: 00007fe31a3cef80 RCX: 00007fe31a2afae9 [ 63.345433][ T590] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 63.353519][ T590] RBP: 00007fe319e32120 R08: 0000000000000000 R09: 0000000000000000 [ 63.361716][ T590] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 63.369785][ T590] R13: 000000000000000b R14: 00007fe31a3cef80 R15: 00007ffdb5f74a38 [ 63.377775][ T590] [ 63.383314][ T594] FAULT_INJECTION: forcing a failure. [ 63.383314][ T594] name failslab, interval 1, probability 0, space 0, times 0 [ 63.385396][ T596] FAULT_INJECTION: forcing a failure. [ 63.385396][ T596] name failslab, interval 1, probability 0, space 0, times 0 [ 63.411849][ T594] CPU: 1 PID: 594 Comm: syz-executor.4 Tainted: G W syzkaller #0 [ 63.421106][ T594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 63.431268][ T594] Call Trace: [ 63.434565][ T594] [ 63.437503][ T594] __dump_stack+0x21/0x30 [ 63.441943][ T594] dump_stack_lvl+0xee/0x150 [ 63.446631][ T594] ? show_regs_print_info+0x20/0x20 [ 63.451840][ T594] dump_stack+0x15/0x20 [ 63.456143][ T594] should_fail+0x3c1/0x510 [ 63.460575][ T594] __should_failslab+0xa4/0xe0 [ 63.465371][ T594] should_failslab+0x9/0x20 [ 63.469979][ T594] slab_pre_alloc_hook+0x3b/0xe0 [ 63.474946][ T594] ? anon_vma_clone+0xc0/0x500 [ 63.479783][ T594] kmem_cache_alloc+0x44/0x260 [ 63.484552][ T594] anon_vma_clone+0xc0/0x500 [ 63.489146][ T594] anon_vma_fork+0x8c/0x510 [ 63.493874][ T594] copy_mm+0x9d1/0x13a0 [ 63.498036][ T594] ? copy_signal+0x600/0x600 [ 63.502632][ T594] ? __init_rwsem+0xfc/0x1d0 [ 63.507225][ T594] ? copy_signal+0x4cb/0x600 [ 63.511932][ T594] copy_process+0x115c/0x3210 [ 63.516631][ T594] ? __kasan_check_write+0x14/0x20 [ 63.521884][ T594] ? __pidfd_prepare+0x150/0x150 [ 63.526949][ T594] ? security_file_permission+0x83/0xa0 [ 63.532815][ T594] kernel_clone+0x23f/0x940 [ 63.537353][ T594] ? create_io_thread+0x130/0x130 [ 63.542390][ T594] ? __kasan_check_write+0x14/0x20 [ 63.547701][ T594] ? mutex_unlock+0x89/0x220 [ 63.552297][ T594] __x64_sys_clone+0x176/0x1d0 [ 63.557173][ T594] ? __kasan_check_write+0x14/0x20 [ 63.562293][ T594] ? __ia32_sys_vfork+0xf0/0xf0 [ 63.567151][ T594] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 63.573356][ T594] x64_sys_call+0x41f/0x9a0 [ 63.577869][ T594] do_syscall_64+0x4c/0xa0 [ 63.582378][ T594] ? clear_bhb_loop+0x50/0xa0 [ 63.587164][ T594] ? clear_bhb_loop+0x50/0xa0 [ 63.591938][ T594] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 63.597949][ T594] RIP: 0033:0x7f18572fcae9 [ 63.602457][ T594] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 63.622153][ T594] RSP: 002b:00007f1856e7f078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 63.630606][ T594] RAX: ffffffffffffffda RBX: 00007f185741bf80 RCX: 00007f18572fcae9 [ 63.638688][ T594] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 63.646755][ T594] RBP: 00007f1856e7f120 R08: 0000000000000000 R09: 0000000000000000 [ 63.654820][ T594] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 63.662830][ T594] R13: 000000000000000b R14: 00007f185741bf80 R15: 00007ffe6668e1c8 [ 63.670939][ T594] [ 63.677405][ T596] CPU: 1 PID: 596 Comm: syz-executor.3 Tainted: G W syzkaller #0 [ 63.686672][ T596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 63.691215][ T599] FAULT_INJECTION: forcing a failure. [ 63.691215][ T599] name failslab, interval 1, probability 0, space 0, times 0 [ 63.697025][ T596] Call Trace: [ 63.697035][ T596] [ 63.697042][ T596] __dump_stack+0x21/0x30 [ 63.697070][ T596] dump_stack_lvl+0xee/0x150 [ 63.697090][ T596] ? show_regs_print_info+0x20/0x20 [ 63.730299][ T596] dump_stack+0x15/0x20 [ 63.734566][ T596] should_fail+0x3c1/0x510 [ 63.738993][ T596] __should_failslab+0xa4/0xe0 [ 63.743774][ T596] should_failslab+0x9/0x20 [ 63.748387][ T596] slab_pre_alloc_hook+0x3b/0xe0 [ 63.753467][ T596] ? anon_vma_fork+0xf2/0x510 [ 63.758258][ T596] kmem_cache_alloc+0x44/0x260 [ 63.763064][ T596] anon_vma_fork+0xf2/0x510 [ 63.767602][ T596] copy_mm+0x9d1/0x13a0 [ 63.771792][ T596] ? copy_signal+0x600/0x600 [ 63.776443][ T596] ? __init_rwsem+0xfc/0x1d0 [ 63.781074][ T596] ? copy_signal+0x4cb/0x600 [ 63.785956][ T596] copy_process+0x115c/0x3210 [ 63.790664][ T596] ? __kasan_check_write+0x14/0x20 [ 63.795990][ T596] ? __pidfd_prepare+0x150/0x150 [ 63.800939][ T596] ? security_file_permission+0x83/0xa0 [ 63.806499][ T596] kernel_clone+0x23f/0x940 [ 63.811029][ T596] ? create_io_thread+0x130/0x130 [ 63.816070][ T596] ? __kasan_check_write+0x14/0x20 [ 63.821202][ T596] ? mutex_unlock+0x89/0x220 [ 63.825900][ T596] __x64_sys_clone+0x176/0x1d0 [ 63.830788][ T596] ? __kasan_check_write+0x14/0x20 [ 63.835915][ T596] ? __ia32_sys_vfork+0xf0/0xf0 [ 63.841039][ T596] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 63.847403][ T596] x64_sys_call+0x41f/0x9a0 [ 63.851928][ T596] do_syscall_64+0x4c/0xa0 [ 63.856348][ T596] ? clear_bhb_loop+0x50/0xa0 [ 63.861024][ T596] ? clear_bhb_loop+0x50/0xa0 [ 63.865891][ T596] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 63.871796][ T596] RIP: 0033:0x7f84a4323ae9 [ 63.876215][ T596] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 63.895962][ T596] RSP: 002b:00007f84a3e85078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 63.904404][ T596] RAX: ffffffffffffffda RBX: 00007f84a4443050 RCX: 00007f84a4323ae9 [ 63.912480][ T596] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 63.920545][ T596] RBP: 00007f84a3e85120 R08: 0000000000000000 R09: 0000000000000000 [ 63.928608][ T596] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 63.936627][ T596] R13: 000000000000006e R14: 00007f84a4443050 R15: 00007ffff34eefe8 [ 63.944725][ T596] [ 63.950909][ T599] CPU: 1 PID: 599 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 63.959989][ T599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 63.970704][ T599] Call Trace: [ 63.974097][ T599] [ 63.977152][ T599] __dump_stack+0x21/0x30 [ 63.981495][ T599] dump_stack_lvl+0xee/0x150 [ 63.986107][ T599] ? show_regs_print_info+0x20/0x20 [ 63.991409][ T599] dump_stack+0x15/0x20 [ 63.995583][ T599] should_fail+0x3c1/0x510 [ 64.000059][ T599] __should_failslab+0xa4/0xe0 [ 64.005034][ T599] should_failslab+0x9/0x20 [ 64.009650][ T599] slab_pre_alloc_hook+0x3b/0xe0 [ 64.014778][ T599] ? anon_vma_clone+0xc0/0x500 [ 64.019554][ T599] kmem_cache_alloc+0x44/0x260 [ 64.024320][ T599] anon_vma_clone+0xc0/0x500 [ 64.028914][ T599] anon_vma_fork+0x8c/0x510 [ 64.033418][ T599] copy_mm+0x9d1/0x13a0 [ 64.037585][ T599] ? copy_signal+0x600/0x600 [ 64.042280][ T599] ? __init_rwsem+0xfc/0x1d0 [ 64.047063][ T599] ? copy_signal+0x4cb/0x600 [ 64.051653][ T599] copy_process+0x115c/0x3210 [ 64.056335][ T599] ? __kasan_check_write+0x14/0x20 [ 64.061550][ T599] ? __pidfd_prepare+0x150/0x150 [ 64.066492][ T599] ? security_file_permission+0x83/0xa0 [ 64.072131][ T599] kernel_clone+0x23f/0x940 [ 64.076860][ T599] ? create_io_thread+0x130/0x130 [ 64.082003][ T599] ? __kasan_check_write+0x14/0x20 [ 64.087133][ T599] ? mutex_unlock+0x89/0x220 [ 64.092264][ T599] __x64_sys_clone+0x176/0x1d0 [ 64.097122][ T599] ? __kasan_check_write+0x14/0x20 [ 64.102336][ T599] ? __ia32_sys_vfork+0xf0/0xf0 [ 64.107220][ T599] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 64.113813][ T599] x64_sys_call+0x41f/0x9a0 [ 64.118328][ T599] do_syscall_64+0x4c/0xa0 [ 64.122917][ T599] ? clear_bhb_loop+0x50/0xa0 [ 64.127681][ T599] ? clear_bhb_loop+0x50/0xa0 [ 64.132364][ T599] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 64.138264][ T599] RIP: 0033:0x7ff46e262ae9 [ 64.142914][ T599] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 64.162614][ T599] RSP: 002b:00007ff46dde5078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 64.171038][ T599] RAX: ffffffffffffffda RBX: 00007ff46e381f80 RCX: 00007ff46e262ae9 [ 64.179572][ T599] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 64.187852][ T599] RBP: 00007ff46dde5120 R08: 0000000000000000 R09: 0000000000000000 [ 64.195998][ T599] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 64.204185][ T599] R13: 000000000000000b R14: 00007ff46e381f80 R15: 00007ffd8c3b1f78 [ 64.212522][ T599] [ 64.221953][ T606] FAULT_INJECTION: forcing a failure. [ 64.221953][ T606] name failslab, interval 1, probability 0, space 0, times 0 [ 64.223885][ T604] FAULT_INJECTION: forcing a failure. [ 64.223885][ T604] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 64.237025][ T608] FAULT_INJECTION: forcing a failure. [ 64.237025][ T608] name failslab, interval 1, probability 0, space 0, times 0 [ 64.263404][ T609] FAULT_INJECTION: forcing a failure. [ 64.263404][ T609] name failslab, interval 1, probability 0, space 0, times 0 [ 64.276723][ T604] CPU: 1 PID: 604 Comm: syz-executor.4 Tainted: G W syzkaller #0 [ 64.285793][ T604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 64.296072][ T604] Call Trace: [ 64.299480][ T604] [ 64.302535][ T604] __dump_stack+0x21/0x30 [ 64.306874][ T604] dump_stack_lvl+0xee/0x150 [ 64.311467][ T604] ? show_regs_print_info+0x20/0x20 [ 64.316690][ T604] dump_stack+0x15/0x20 [ 64.320965][ T604] should_fail+0x3c1/0x510 [ 64.325502][ T604] should_fail_alloc_page+0x55/0x80 [ 64.330880][ T604] prepare_alloc_pages+0x156/0x600 [ 64.336005][ T604] ? __alloc_pages_bulk+0xab0/0xab0 [ 64.341210][ T604] __alloc_pages+0x10a/0x440 [ 64.345890][ T604] ? prep_new_page+0x110/0x110 [ 64.350672][ T604] ? __alloc_pages+0x18f/0x440 [ 64.355464][ T604] __pmd_alloc+0xa6/0x4a0 [ 64.359819][ T604] ? __kasan_check_write+0x14/0x20 [ 64.364983][ T604] ? _raw_spin_trylock_bh+0x130/0x130 [ 64.370361][ T604] ? __pud_alloc+0x1a0/0x1a0 [ 64.375165][ T604] ? __kasan_slab_alloc+0xcf/0xf0 [ 64.380198][ T604] ? __kasan_slab_alloc+0xbd/0xf0 [ 64.385546][ T604] ? _raw_spin_unlock+0x4d/0x70 [ 64.390493][ T604] ? __pud_alloc+0x17f/0x1a0 [ 64.395090][ T604] copy_page_range+0x254b/0x2890 [ 64.400231][ T604] ? pfn_valid+0x1d0/0x1d0 [ 64.404652][ T604] copy_mm+0xbe2/0x13a0 [ 64.408819][ T604] ? copy_signal+0x600/0x600 [ 64.413500][ T604] ? __init_rwsem+0xfc/0x1d0 [ 64.418101][ T604] ? copy_signal+0x4cb/0x600 [ 64.422789][ T604] copy_process+0x115c/0x3210 [ 64.427482][ T604] ? __kasan_check_write+0x14/0x20 [ 64.432892][ T604] ? __pidfd_prepare+0x150/0x150 [ 64.437846][ T604] ? security_file_permission+0x83/0xa0 [ 64.443418][ T604] kernel_clone+0x23f/0x940 [ 64.447937][ T604] ? create_io_thread+0x130/0x130 [ 64.452973][ T604] ? __kasan_check_write+0x14/0x20 [ 64.458098][ T604] ? mutex_unlock+0x89/0x220 [ 64.462874][ T604] __x64_sys_clone+0x176/0x1d0 [ 64.467707][ T604] ? __kasan_check_write+0x14/0x20 [ 64.472824][ T604] ? __ia32_sys_vfork+0xf0/0xf0 [ 64.477710][ T604] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 64.483895][ T604] x64_sys_call+0x41f/0x9a0 [ 64.488426][ T604] do_syscall_64+0x4c/0xa0 [ 64.492971][ T604] ? clear_bhb_loop+0x50/0xa0 [ 64.497662][ T604] ? clear_bhb_loop+0x50/0xa0 [ 64.502372][ T604] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 64.508393][ T604] RIP: 0033:0x7f18572fcae9 [ 64.512963][ T604] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 64.532890][ T604] RSP: 002b:00007f1856e7f078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 64.541480][ T604] RAX: ffffffffffffffda RBX: 00007f185741bf80 RCX: 00007f18572fcae9 [ 64.549491][ T604] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 64.557485][ T604] RBP: 00007f1856e7f120 R08: 0000000000000000 R09: 0000000000000000 [ 64.565487][ T604] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 64.573480][ T604] R13: 000000000000000b R14: 00007f185741bf80 R15: 00007ffe6668e1c8 [ 64.581704][ T604] [ 64.585192][ T609] CPU: 0 PID: 609 Comm: syz-executor.1 Tainted: G W syzkaller #0 [ 64.594442][ T609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 64.605004][ T609] Call Trace: [ 64.608301][ T609] [ 64.611244][ T609] __dump_stack+0x21/0x30 [ 64.615589][ T609] dump_stack_lvl+0xee/0x150 [ 64.620190][ T609] ? show_regs_print_info+0x20/0x20 [ 64.625405][ T609] dump_stack+0x15/0x20 [ 64.629571][ T609] should_fail+0x3c1/0x510 [ 64.633996][ T609] __should_failslab+0xa4/0xe0 [ 64.638775][ T609] should_failslab+0x9/0x20 [ 64.643287][ T609] slab_pre_alloc_hook+0x3b/0xe0 [ 64.648244][ T609] ? anon_vma_clone+0xc0/0x500 [ 64.653279][ T609] kmem_cache_alloc+0x44/0x260 [ 64.658146][ T609] anon_vma_clone+0xc0/0x500 [ 64.662833][ T609] anon_vma_fork+0x8c/0x510 [ 64.667350][ T609] copy_mm+0x9d1/0x13a0 [ 64.671694][ T609] ? copy_signal+0x600/0x600 [ 64.676392][ T609] ? __init_rwsem+0xfc/0x1d0 [ 64.680987][ T609] ? copy_signal+0x4cb/0x600 [ 64.685676][ T609] copy_process+0x115c/0x3210 [ 64.690370][ T609] ? __kasan_check_write+0x14/0x20 [ 64.695490][ T609] ? __pidfd_prepare+0x150/0x150 [ 64.700437][ T609] ? security_file_permission+0x83/0xa0 [ 64.706171][ T609] kernel_clone+0x23f/0x940 [ 64.710691][ T609] ? create_io_thread+0x130/0x130 [ 64.715732][ T609] ? __kasan_check_write+0x14/0x20 [ 64.720851][ T609] ? mutex_unlock+0x89/0x220 [ 64.725449][ T609] __x64_sys_clone+0x176/0x1d0 [ 64.730512][ T609] ? __kasan_check_write+0x14/0x20 [ 64.735740][ T609] ? __ia32_sys_vfork+0xf0/0xf0 [ 64.740719][ T609] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 64.746809][ T609] x64_sys_call+0x41f/0x9a0 [ 64.751500][ T609] do_syscall_64+0x4c/0xa0 [ 64.756130][ T609] ? clear_bhb_loop+0x50/0xa0 [ 64.760815][ T609] ? clear_bhb_loop+0x50/0xa0 [ 64.765506][ T609] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 64.771415][ T609] RIP: 0033:0x7fe31a2afae9 [ 64.776019][ T609] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 64.796180][ T609] RSP: 002b:00007fe319e32078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 64.804842][ T609] RAX: ffffffffffffffda RBX: 00007fe31a3cef80 RCX: 00007fe31a2afae9 [ 64.813020][ T609] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 64.821183][ T609] RBP: 00007fe319e32120 R08: 0000000000000000 R09: 0000000000000000 [ 64.829282][ T609] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 64.837467][ T609] R13: 000000000000000b R14: 00007fe31a3cef80 R15: 00007ffdb5f74a38 [ 64.845696][ T609] [ 64.848722][ T608] CPU: 1 PID: 608 Comm: syz-executor.2 Tainted: G W syzkaller #0 [ 64.857867][ T608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 64.867938][ T608] Call Trace: [ 64.871222][ T608] [ 64.874251][ T608] __dump_stack+0x21/0x30 [ 64.878592][ T608] dump_stack_lvl+0xee/0x150 [ 64.883268][ T608] ? show_regs_print_info+0x20/0x20 [ 64.888482][ T608] dump_stack+0x15/0x20 [ 64.892645][ T608] should_fail+0x3c1/0x510 [ 64.897102][ T608] __should_failslab+0xa4/0xe0 [ 64.901872][ T608] should_failslab+0x9/0x20 [ 64.906386][ T608] slab_pre_alloc_hook+0x3b/0xe0 [ 64.911415][ T608] ? vm_area_dup+0x26/0x210 [ 64.915923][ T608] kmem_cache_alloc+0x44/0x260 [ 64.920696][ T608] vm_area_dup+0x26/0x210 [ 64.925032][ T608] copy_mm+0x93a/0x13a0 [ 64.929298][ T608] ? copy_signal+0x600/0x600 [ 64.933908][ T608] ? __init_rwsem+0xfc/0x1d0 [ 64.938526][ T608] ? copy_signal+0x4cb/0x600 [ 64.943228][ T608] copy_process+0x115c/0x3210 [ 64.948131][ T608] ? __kasan_check_write+0x14/0x20 [ 64.953383][ T608] ? __pidfd_prepare+0x150/0x150 [ 64.958353][ T608] ? security_file_permission+0x83/0xa0 [ 64.963918][ T608] kernel_clone+0x23f/0x940 [ 64.968437][ T608] ? create_io_thread+0x130/0x130 [ 64.973490][ T608] ? __kasan_check_write+0x14/0x20 [ 64.978673][ T608] ? mutex_unlock+0x89/0x220 [ 64.983293][ T608] __x64_sys_clone+0x176/0x1d0 [ 64.988178][ T608] ? __kasan_check_write+0x14/0x20 [ 64.993309][ T608] ? __ia32_sys_vfork+0xf0/0xf0 [ 64.998175][ T608] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 65.004260][ T608] x64_sys_call+0x41f/0x9a0 [ 65.008858][ T608] do_syscall_64+0x4c/0xa0 [ 65.013288][ T608] ? clear_bhb_loop+0x50/0xa0 [ 65.017970][ T608] ? clear_bhb_loop+0x50/0xa0 [ 65.022668][ T608] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 65.028678][ T608] RIP: 0033:0x7f25569a8ae9 [ 65.033104][ T608] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 65.052721][ T608] RSP: 002b:00007f255652b078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 65.061156][ T608] RAX: ffffffffffffffda RBX: 00007f2556ac7f80 RCX: 00007f25569a8ae9 [ 65.069229][ T608] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 65.077208][ T608] RBP: 00007f255652b120 R08: 0000000000000000 R09: 0000000000000000 [ 65.085737][ T608] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 65.093802][ T608] R13: 000000000000000b R14: 00007f2556ac7f80 R15: 00007ffc572e2ed8 [ 65.101957][ T608] [ 65.106689][ T615] FAULT_INJECTION: forcing a failure. [ 65.106689][ T615] name failslab, interval 1, probability 0, space 0, times 0 [ 65.107134][ T614] FAULT_INJECTION: forcing a failure. [ 65.107134][ T614] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 65.133082][ T606] CPU: 0 PID: 606 Comm: syz-executor.5 Tainted: G W syzkaller #0 [ 65.142397][ T606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 65.152734][ T606] Call Trace: [ 65.156041][ T606] [ 65.159079][ T606] __dump_stack+0x21/0x30 [ 65.163967][ T606] dump_stack_lvl+0xee/0x150 [ 65.168790][ T606] ? show_regs_print_info+0x20/0x20 [ 65.174006][ T606] dump_stack+0x15/0x20 [ 65.178174][ T606] should_fail+0x3c1/0x510 [ 65.182728][ T606] __should_failslab+0xa4/0xe0 [ 65.187679][ T606] should_failslab+0x9/0x20 [ 65.192191][ T606] slab_pre_alloc_hook+0x3b/0xe0 [ 65.197237][ T606] ? anon_vma_fork+0x200/0x510 [ 65.202119][ T606] kmem_cache_alloc+0x44/0x260 [ 65.206913][ T606] anon_vma_fork+0x200/0x510 [ 65.211538][ T606] copy_mm+0x9d1/0x13a0 [ 65.215805][ T606] ? copy_signal+0x600/0x600 [ 65.220401][ T606] ? __init_rwsem+0xfc/0x1d0 [ 65.225001][ T606] ? copy_signal+0x4cb/0x600 [ 65.229714][ T606] copy_process+0x115c/0x3210 [ 65.234424][ T606] ? __kasan_check_write+0x14/0x20 [ 65.239553][ T606] ? __pidfd_prepare+0x150/0x150 [ 65.244700][ T606] ? security_file_permission+0x83/0xa0 [ 65.250289][ T606] kernel_clone+0x23f/0x940 [ 65.254814][ T606] ? create_io_thread+0x130/0x130 [ 65.259936][ T606] ? __kasan_check_write+0x14/0x20 [ 65.265068][ T606] ? mutex_unlock+0x89/0x220 [ 65.269761][ T606] __x64_sys_clone+0x176/0x1d0 [ 65.274759][ T606] ? __kasan_check_write+0x14/0x20 [ 65.280268][ T606] ? __ia32_sys_vfork+0xf0/0xf0 [ 65.285242][ T606] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 65.291352][ T606] x64_sys_call+0x41f/0x9a0 [ 65.295972][ T606] do_syscall_64+0x4c/0xa0 [ 65.300585][ T606] ? clear_bhb_loop+0x50/0xa0 [ 65.305357][ T606] ? clear_bhb_loop+0x50/0xa0 [ 65.310060][ T606] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 65.316169][ T606] RIP: 0033:0x7fbf6e830ae9 [ 65.320793][ T606] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 65.340448][ T606] RSP: 002b:00007fbf6e3b3078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 65.348983][ T606] RAX: ffffffffffffffda RBX: 00007fbf6e94ff80 RCX: 00007fbf6e830ae9 [ 65.356969][ T606] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 65.364969][ T606] RBP: 00007fbf6e3b3120 R08: 0000000000000000 R09: 0000000000000000 [ 65.372954][ T606] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 65.381028][ T606] R13: 000000000000000b R14: 00007fbf6e94ff80 R15: 00007ffca52c22d8 [ 65.389027][ T606] [ 65.392068][ T615] CPU: 1 PID: 615 Comm: syz-executor.3 Tainted: G W syzkaller #0 [ 65.401119][ T615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 65.411526][ T615] Call Trace: [ 65.414824][ T615] [ 65.417763][ T615] __dump_stack+0x21/0x30 [ 65.422197][ T615] dump_stack_lvl+0xee/0x150 [ 65.427016][ T615] ? show_regs_print_info+0x20/0x20 [ 65.432237][ T615] dump_stack+0x15/0x20 [ 65.436411][ T615] should_fail+0x3c1/0x510 [ 65.441027][ T615] __should_failslab+0xa4/0xe0 [ 65.445806][ T615] should_failslab+0x9/0x20 [ 65.450317][ T615] slab_pre_alloc_hook+0x3b/0xe0 [ 65.455278][ T615] ? anon_vma_fork+0xf2/0x510 [ 65.459963][ T615] kmem_cache_alloc+0x44/0x260 [ 65.464742][ T615] anon_vma_fork+0xf2/0x510 [ 65.469266][ T615] copy_mm+0x9d1/0x13a0 [ 65.473701][ T615] ? copy_signal+0x600/0x600 [ 65.478427][ T615] ? __init_rwsem+0xfc/0x1d0 [ 65.483142][ T615] ? copy_signal+0x4cb/0x600 [ 65.488018][ T615] copy_process+0x115c/0x3210 [ 65.492727][ T615] ? __kasan_check_write+0x14/0x20 [ 65.497858][ T615] ? __pidfd_prepare+0x150/0x150 [ 65.503148][ T615] ? security_file_permission+0x83/0xa0 [ 65.508909][ T615] kernel_clone+0x23f/0x940 [ 65.513436][ T615] ? create_io_thread+0x130/0x130 [ 65.518478][ T615] ? __kasan_check_write+0x14/0x20 [ 65.523599][ T615] ? mutex_unlock+0x89/0x220 [ 65.528306][ T615] __x64_sys_clone+0x176/0x1d0 [ 65.533101][ T615] ? __kasan_check_write+0x14/0x20 [ 65.538320][ T615] ? __ia32_sys_vfork+0xf0/0xf0 [ 65.543179][ T615] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 65.549525][ T615] x64_sys_call+0x41f/0x9a0 [ 65.554034][ T615] do_syscall_64+0x4c/0xa0 [ 65.558485][ T615] ? clear_bhb_loop+0x50/0xa0 [ 65.563173][ T615] ? clear_bhb_loop+0x50/0xa0 [ 65.567945][ T615] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 65.573947][ T615] RIP: 0033:0x7f84a4323ae9 [ 65.578490][ T615] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 65.598559][ T615] RSP: 002b:00007f84a3e85078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 65.607085][ T615] RAX: ffffffffffffffda RBX: 00007f84a4443050 RCX: 00007f84a4323ae9 [ 65.615064][ T615] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 65.623040][ T615] RBP: 00007f84a3e85120 R08: 0000000000000000 R09: 0000000000000000 [ 65.631120][ T615] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 65.639502][ T615] R13: 000000000000006e R14: 00007f84a4443050 R15: 00007ffff34eefe8 [ 65.647496][ T615] [ 65.652099][ T614] CPU: 1 PID: 614 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 65.661417][ T614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 65.672135][ T614] Call Trace: [ 65.675524][ T614] [ 65.678475][ T614] __dump_stack+0x21/0x30 [ 65.682819][ T614] dump_stack_lvl+0xee/0x150 [ 65.687435][ T614] ? show_regs_print_info+0x20/0x20 [ 65.692734][ T614] dump_stack+0x15/0x20 [ 65.696893][ T614] should_fail+0x3c1/0x510 [ 65.701314][ T614] should_fail_alloc_page+0x55/0x80 [ 65.706685][ T614] prepare_alloc_pages+0x156/0x600 [ 65.711808][ T614] ? __alloc_pages_bulk+0xab0/0xab0 [ 65.717046][ T614] ? __alloc_pages+0x440/0x440 [ 65.721907][ T614] __alloc_pages+0x10a/0x440 [ 65.726507][ T614] ? prep_new_page+0x110/0x110 [ 65.731277][ T614] ? __kasan_check_write+0x14/0x20 [ 65.736396][ T614] ? _raw_spin_lock+0x8e/0xe0 [ 65.741265][ T614] pte_alloc_one+0x70/0x180 [ 65.745771][ T614] ? pfn_modify_allowed+0x2f0/0x2f0 [ 65.751056][ T614] ? __mod_lruvec_page_state+0x15d/0x1c0 [ 65.756783][ T614] ? _raw_spin_unlock+0x4d/0x70 [ 65.761639][ T614] ? __pmd_alloc+0x3ef/0x4a0 [ 65.766514][ T614] ? copy_process+0x115c/0x3210 [ 65.771465][ T614] ? kernel_clone+0x23f/0x940 [ 65.776428][ T614] __pte_alloc+0x75/0x290 [ 65.780772][ T614] ? __pud_alloc+0x1a0/0x1a0 [ 65.785473][ T614] ? __kasan_slab_alloc+0xcf/0xf0 [ 65.791196][ T614] ? free_pgtables+0x280/0x280 [ 65.796350][ T614] ? anon_vma_fork+0x200/0x510 [ 65.801736][ T614] ? copy_process+0x115c/0x3210 [ 65.807311][ T614] ? kernel_clone+0x23f/0x940 [ 65.812346][ T614] ? __x64_sys_clone+0x176/0x1d0 [ 65.817506][ T614] ? do_syscall_64+0x4c/0xa0 [ 65.822125][ T614] copy_page_range+0x2348/0x2890 [ 65.827249][ T614] ? pfn_valid+0x1d0/0x1d0 [ 65.832061][ T614] copy_mm+0xbe2/0x13a0 [ 65.836242][ T614] ? copy_signal+0x600/0x600 [ 65.840853][ T614] ? __init_rwsem+0xfc/0x1d0 [ 65.845549][ T614] ? copy_signal+0x4cb/0x600 [ 65.850143][ T614] copy_process+0x115c/0x3210 [ 65.854829][ T614] ? __kasan_check_write+0x14/0x20 [ 65.860047][ T614] ? __pidfd_prepare+0x150/0x150 [ 65.866153][ T614] ? security_file_permission+0x83/0xa0 [ 65.871986][ T614] kernel_clone+0x23f/0x940 [ 65.876875][ T614] ? create_io_thread+0x130/0x130 [ 65.882001][ T614] ? __kasan_check_write+0x14/0x20 [ 65.887206][ T614] ? mutex_unlock+0x89/0x220 [ 65.891801][ T614] __x64_sys_clone+0x176/0x1d0 [ 65.896569][ T614] ? __kasan_check_write+0x14/0x20 [ 65.901695][ T614] ? __ia32_sys_vfork+0xf0/0xf0 [ 65.906571][ T614] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 65.912738][ T614] x64_sys_call+0x41f/0x9a0 [ 65.917249][ T614] do_syscall_64+0x4c/0xa0 [ 65.921684][ T614] ? clear_bhb_loop+0x50/0xa0 [ 65.926377][ T614] ? clear_bhb_loop+0x50/0xa0 [ 65.931058][ T614] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 65.936956][ T614] RIP: 0033:0x7ff46e262ae9 [ 65.941461][ T614] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 65.961382][ T614] RSP: 002b:00007ff46dde5078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 65.969992][ T614] RAX: ffffffffffffffda RBX: 00007ff46e381f80 RCX: 00007ff46e262ae9 [ 65.978064][ T614] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 65.986165][ T614] RBP: 00007ff46dde5120 R08: 0000000000000000 R09: 0000000000000000 [ 65.994421][ T614] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 66.002510][ T614] R13: 000000000000000b R14: 00007ff46e381f80 R15: 00007ffd8c3b1f78 [ 66.010700][ T614] [ 66.017312][ T625] FAULT_INJECTION: forcing a failure. [ 66.017312][ T625] name failslab, interval 1, probability 0, space 0, times 0 [ 66.037528][ T625] CPU: 1 PID: 625 Comm: syz-executor.1 Tainted: G W syzkaller #0 [ 66.046637][ T625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 66.056712][ T625] Call Trace: [ 66.060193][ T625] [ 66.063153][ T625] __dump_stack+0x21/0x30 [ 66.067618][ T625] dump_stack_lvl+0xee/0x150 [ 66.072480][ T625] ? show_regs_print_info+0x20/0x20 [ 66.077772][ T625] dump_stack+0x15/0x20 [ 66.081936][ T625] should_fail+0x3c1/0x510 [ 66.086355][ T625] __should_failslab+0xa4/0xe0 [ 66.091317][ T625] should_failslab+0x9/0x20 [ 66.095837][ T625] slab_pre_alloc_hook+0x3b/0xe0 [ 66.100872][ T625] ? anon_vma_clone+0xc0/0x500 [ 66.105720][ T625] kmem_cache_alloc+0x44/0x260 [ 66.110492][ T625] anon_vma_clone+0xc0/0x500 [ 66.115086][ T625] anon_vma_fork+0x8c/0x510 [ 66.119778][ T625] copy_mm+0x9d1/0x13a0 [ 66.123949][ T625] ? copy_signal+0x600/0x600 [ 66.128568][ T625] ? __init_rwsem+0xfc/0x1d0 [ 66.133160][ T625] ? copy_signal+0x4cb/0x600 [ 66.137856][ T625] copy_process+0x115c/0x3210 [ 66.142608][ T625] ? __kasan_check_write+0x14/0x20 [ 66.147729][ T625] ? __pidfd_prepare+0x150/0x150 [ 66.152937][ T625] ? security_file_permission+0x83/0xa0 [ 66.158787][ T625] kernel_clone+0x23f/0x940 [ 66.163412][ T625] ? create_io_thread+0x130/0x130 [ 66.168748][ T625] ? __kasan_check_write+0x14/0x20 [ 66.173865][ T625] ? mutex_unlock+0x89/0x220 [ 66.178666][ T625] __x64_sys_clone+0x176/0x1d0 [ 66.183460][ T625] ? __kasan_check_write+0x14/0x20 [ 66.188754][ T625] ? __ia32_sys_vfork+0xf0/0xf0 [ 66.193791][ T625] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 66.200035][ T625] x64_sys_call+0x41f/0x9a0 [ 66.204738][ T625] do_syscall_64+0x4c/0xa0 [ 66.209293][ T625] ? clear_bhb_loop+0x50/0xa0 [ 66.214077][ T625] ? clear_bhb_loop+0x50/0xa0 [ 66.218762][ T625] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 66.224835][ T625] RIP: 0033:0x7fe31a2afae9 [ 66.229391][ T625] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 66.249678][ T625] RSP: 002b:00007fe319e11078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 66.258105][ T625] RAX: ffffffffffffffda RBX: 00007fe31a3cf050 RCX: 00007fe31a2afae9 [ 66.266170][ T625] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 66.274158][ T625] RBP: 00007fe319e11120 R08: 0000000000000000 R09: 0000000000000000 [ 66.282157][ T625] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 66.290334][ T625] R13: 000000000000006e R14: 00007fe31a3cf050 R15: 00007ffdb5f74a38 [ 66.298361][ T625] [ 66.302776][ T622] FAULT_INJECTION: forcing a failure. [ 66.302776][ T622] name failslab, interval 1, probability 0, space 0, times 0 [ 66.303671][ T623] FAULT_INJECTION: forcing a failure. [ 66.303671][ T623] name failslab, interval 1, probability 0, space 0, times 0 [ 66.328733][ T622] CPU: 1 PID: 622 Comm: syz-executor.5 Tainted: G W syzkaller #0 [ 66.338205][ T622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 66.348466][ T622] Call Trace: [ 66.351756][ T622] [ 66.354697][ T622] __dump_stack+0x21/0x30 [ 66.359050][ T622] dump_stack_lvl+0xee/0x150 [ 66.363847][ T622] ? show_regs_print_info+0x20/0x20 [ 66.369238][ T622] dump_stack+0x15/0x20 [ 66.373408][ T622] should_fail+0x3c1/0x510 [ 66.377932][ T622] __should_failslab+0xa4/0xe0 [ 66.382706][ T622] should_failslab+0x9/0x20 [ 66.387442][ T622] slab_pre_alloc_hook+0x3b/0xe0 [ 66.392411][ T622] ? anon_vma_clone+0xc0/0x500 [ 66.397183][ T622] kmem_cache_alloc+0x44/0x260 [ 66.402143][ T622] anon_vma_clone+0xc0/0x500 [ 66.406947][ T622] anon_vma_fork+0x8c/0x510 [ 66.411562][ T622] copy_mm+0x9d1/0x13a0 [ 66.415740][ T622] ? copy_signal+0x600/0x600 [ 66.420349][ T622] ? __init_rwsem+0xfc/0x1d0 [ 66.425237][ T622] ? copy_signal+0x4cb/0x600 [ 66.429920][ T622] copy_process+0x115c/0x3210 [ 66.434704][ T622] ? __kasan_check_write+0x14/0x20 [ 66.439914][ T622] ? __pidfd_prepare+0x150/0x150 [ 66.444863][ T622] ? security_file_permission+0x83/0xa0 [ 66.450796][ T622] kernel_clone+0x23f/0x940 [ 66.455440][ T622] ? create_io_thread+0x130/0x130 [ 66.460697][ T622] ? __kasan_check_write+0x14/0x20 [ 66.465816][ T622] ? mutex_unlock+0x89/0x220 [ 66.470417][ T622] __x64_sys_clone+0x176/0x1d0 [ 66.475530][ T622] ? __kasan_check_write+0x14/0x20 [ 66.480660][ T622] ? __ia32_sys_vfork+0xf0/0xf0 [ 66.485532][ T622] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 66.491620][ T622] x64_sys_call+0x41f/0x9a0 [ 66.496128][ T622] do_syscall_64+0x4c/0xa0 [ 66.500994][ T622] ? clear_bhb_loop+0x50/0xa0 [ 66.505681][ T622] ? clear_bhb_loop+0x50/0xa0 [ 66.510367][ T622] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 66.516356][ T622] RIP: 0033:0x7fbf6e830ae9 [ 66.520952][ T622] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 66.540857][ T622] RSP: 002b:00007fbf6e3b3078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 66.549307][ T622] RAX: ffffffffffffffda RBX: 00007fbf6e94ff80 RCX: 00007fbf6e830ae9 [ 66.557463][ T622] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 66.565449][ T622] RBP: 00007fbf6e3b3120 R08: 0000000000000000 R09: 0000000000000000 [ 66.573556][ T622] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 66.581880][ T622] R13: 000000000000000b R14: 00007fbf6e94ff80 R15: 00007ffca52c22d8 [ 66.590134][ T622] [ 66.594162][ T623] CPU: 1 PID: 623 Comm: syz-executor.4 Tainted: G W syzkaller #0 [ 66.603226][ T623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 66.613513][ T623] Call Trace: [ 66.616989][ T623] [ 66.620194][ T623] __dump_stack+0x21/0x30 [ 66.624791][ T623] dump_stack_lvl+0xee/0x150 [ 66.629698][ T623] ? show_regs_print_info+0x20/0x20 [ 66.635103][ T623] dump_stack+0x15/0x20 [ 66.639351][ T623] should_fail+0x3c1/0x510 [ 66.643770][ T623] __should_failslab+0xa4/0xe0 [ 66.648552][ T623] should_failslab+0x9/0x20 [ 66.653072][ T623] slab_pre_alloc_hook+0x3b/0xe0 [ 66.658210][ T623] ? vm_area_dup+0x26/0x210 [ 66.663018][ T623] kmem_cache_alloc+0x44/0x260 [ 66.667788][ T623] vm_area_dup+0x26/0x210 [ 66.672222][ T623] copy_mm+0x93a/0x13a0 [ 66.676382][ T623] ? copy_signal+0x600/0x600 [ 66.680986][ T623] ? __init_rwsem+0xfc/0x1d0 [ 66.685603][ T623] ? copy_signal+0x4cb/0x600 [ 66.690303][ T623] copy_process+0x115c/0x3210 [ 66.695000][ T623] ? __kasan_check_write+0x14/0x20 [ 66.700262][ T623] ? __pidfd_prepare+0x150/0x150 [ 66.705489][ T623] ? security_file_permission+0x83/0xa0 [ 66.711043][ T623] kernel_clone+0x23f/0x940 [ 66.715554][ T623] ? create_io_thread+0x130/0x130 [ 66.720594][ T623] ? __kasan_check_write+0x14/0x20 [ 66.725973][ T623] ? mutex_unlock+0x89/0x220 [ 66.730748][ T623] __x64_sys_clone+0x176/0x1d0 [ 66.735816][ T623] ? __kasan_check_write+0x14/0x20 [ 66.741019][ T623] ? __ia32_sys_vfork+0xf0/0xf0 [ 66.746067][ T623] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 66.752148][ T623] x64_sys_call+0x41f/0x9a0 [ 66.756968][ T623] do_syscall_64+0x4c/0xa0 [ 66.761483][ T623] ? clear_bhb_loop+0x50/0xa0 [ 66.766186][ T623] ? clear_bhb_loop+0x50/0xa0 [ 66.770975][ T623] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 66.776962][ T623] RIP: 0033:0x7f18572fcae9 [ 66.781554][ T623] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 66.802040][ T623] RSP: 002b:00007f1856e7f078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 66.810633][ T623] RAX: ffffffffffffffda RBX: 00007f185741bf80 RCX: 00007f18572fcae9 [ 66.818662][ T623] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 66.826634][ T623] RBP: 00007f1856e7f120 R08: 0000000000000000 R09: 0000000000000000 [ 66.834736][ T623] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 66.842933][ T623] R13: 000000000000000b R14: 00007f185741bf80 R15: 00007ffe6668e1c8 [ 66.850931][ T623] [ 66.855466][ T631] FAULT_INJECTION: forcing a failure. [ 66.855466][ T631] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 66.858329][ T633] FAULT_INJECTION: forcing a failure. [ 66.858329][ T633] name failslab, interval 1, probability 0, space 0, times 0 [ 66.881979][ T633] CPU: 0 PID: 633 Comm: syz-executor.2 Tainted: G W syzkaller #0 [ 66.891227][ T633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 66.901377][ T633] Call Trace: [ 66.904660][ T633] [ 66.907604][ T633] __dump_stack+0x21/0x30 [ 66.911945][ T633] dump_stack_lvl+0xee/0x150 [ 66.916574][ T633] ? show_regs_print_info+0x20/0x20 [ 66.922409][ T633] dump_stack+0x15/0x20 [ 66.926576][ T633] should_fail+0x3c1/0x510 [ 66.931088][ T633] __should_failslab+0xa4/0xe0 [ 66.936067][ T633] should_failslab+0x9/0x20 [ 66.940751][ T633] slab_pre_alloc_hook+0x3b/0xe0 [ 66.945890][ T633] ? anon_vma_clone+0xc0/0x500 [ 66.950656][ T633] kmem_cache_alloc+0x44/0x260 [ 66.955432][ T633] anon_vma_clone+0xc0/0x500 [ 66.960033][ T633] anon_vma_fork+0x8c/0x510 [ 66.964543][ T633] copy_mm+0x9d1/0x13a0 [ 66.968709][ T633] ? copy_signal+0x600/0x600 [ 66.973300][ T633] ? __init_rwsem+0xfc/0x1d0 [ 66.977901][ T633] ? copy_signal+0x4cb/0x600 [ 66.982656][ T633] copy_process+0x115c/0x3210 [ 66.987339][ T633] ? __kasan_check_write+0x14/0x20 [ 66.992466][ T633] ? __pidfd_prepare+0x150/0x150 [ 66.997719][ T633] ? security_file_permission+0x83/0xa0 [ 67.003292][ T633] kernel_clone+0x23f/0x940 [ 67.007827][ T633] ? create_io_thread+0x130/0x130 [ 67.012865][ T633] ? __kasan_check_write+0x14/0x20 [ 67.017995][ T633] ? mutex_unlock+0x89/0x220 [ 67.022806][ T633] __x64_sys_clone+0x176/0x1d0 [ 67.027587][ T633] ? __kasan_check_write+0x14/0x20 [ 67.032707][ T633] ? __ia32_sys_vfork+0xf0/0xf0 [ 67.037744][ T633] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 67.043825][ T633] x64_sys_call+0x41f/0x9a0 [ 67.048422][ T633] do_syscall_64+0x4c/0xa0 [ 67.052941][ T633] ? clear_bhb_loop+0x50/0xa0 [ 67.057726][ T633] ? clear_bhb_loop+0x50/0xa0 [ 67.062435][ T633] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 67.068439][ T633] RIP: 0033:0x7f25569a8ae9 [ 67.072861][ T633] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 67.092832][ T633] RSP: 002b:00007f255650a078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 67.101374][ T633] RAX: ffffffffffffffda RBX: 00007f2556ac8050 RCX: 00007f25569a8ae9 [ 67.109535][ T633] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 67.117523][ T633] RBP: 00007f255650a120 R08: 0000000000000000 R09: 0000000000000000 [ 67.125508][ T633] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 67.133486][ T633] R13: 000000000000006e R14: 00007f2556ac8050 R15: 00007ffc572e2ed8 [ 67.141469][ T633] [ 67.145837][ T631] CPU: 0 PID: 631 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 67.155351][ T631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 67.157657][ T637] FAULT_INJECTION: forcing a failure. [ 67.157657][ T637] name failslab, interval 1, probability 0, space 0, times 0 [ 67.165521][ T631] Call Trace: [ 67.165532][ T631] [ 67.165540][ T631] __dump_stack+0x21/0x30 [ 67.188915][ T631] dump_stack_lvl+0xee/0x150 [ 67.193610][ T631] ? show_regs_print_info+0x20/0x20 [ 67.198910][ T631] ? unwind_get_return_address+0x4d/0x90 [ 67.204558][ T631] ? stack_trace_save+0xe0/0xe0 [ 67.209451][ T631] dump_stack+0x15/0x20 [ 67.213623][ T631] should_fail+0x3c1/0x510 [ 67.218050][ T631] should_fail_alloc_page+0x55/0x80 [ 67.223269][ T631] prepare_alloc_pages+0x156/0x600 [ 67.228403][ T631] ? __alloc_pages_bulk+0xab0/0xab0 [ 67.233609][ T631] ? __kasan_slab_alloc+0xcf/0xf0 [ 67.238636][ T631] ? __kasan_slab_alloc+0xbd/0xf0 [ 67.243681][ T631] ? slab_post_alloc_hook+0x4f/0x2b0 [ 67.249058][ T631] ? anon_vma_clone+0xc0/0x500 [ 67.254100][ T631] __alloc_pages+0x10a/0x440 [ 67.258700][ T631] ? prep_new_page+0x110/0x110 [ 67.263507][ T631] new_slab+0xa1/0x4d0 [ 67.267583][ T631] ___slab_alloc+0x381/0x810 [ 67.272178][ T631] ? __anon_vma_interval_tree_augment_rotate+0x190/0x1c0 [ 67.279419][ T631] ? anon_vma_clone+0xc0/0x500 [ 67.284197][ T631] ? anon_vma_clone+0xc0/0x500 [ 67.289070][ T631] __slab_alloc+0x49/0x90 [ 67.293505][ T631] ? anon_vma_clone+0xc0/0x500 [ 67.298358][ T631] kmem_cache_alloc+0x138/0x260 [ 67.303212][ T631] anon_vma_clone+0xc0/0x500 [ 67.307827][ T631] anon_vma_fork+0x8c/0x510 [ 67.312385][ T631] copy_mm+0x9d1/0x13a0 [ 67.316555][ T631] ? copy_signal+0x600/0x600 [ 67.321240][ T631] ? __init_rwsem+0xfc/0x1d0 [ 67.325839][ T631] ? copy_signal+0x4cb/0x600 [ 67.330432][ T631] copy_process+0x115c/0x3210 [ 67.335122][ T631] ? __kasan_check_write+0x14/0x20 [ 67.340242][ T631] ? __pidfd_prepare+0x150/0x150 [ 67.345551][ T631] ? security_file_permission+0x83/0xa0 [ 67.351105][ T631] kernel_clone+0x23f/0x940 [ 67.355706][ T631] ? create_io_thread+0x130/0x130 [ 67.360741][ T631] ? __kasan_check_write+0x14/0x20 [ 67.365870][ T631] ? mutex_unlock+0x89/0x220 [ 67.370565][ T631] __x64_sys_clone+0x176/0x1d0 [ 67.375524][ T631] ? __kasan_check_write+0x14/0x20 [ 67.380731][ T631] ? __ia32_sys_vfork+0xf0/0xf0 [ 67.385709][ T631] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 67.391899][ T631] x64_sys_call+0x41f/0x9a0 [ 67.396593][ T631] do_syscall_64+0x4c/0xa0 [ 67.401015][ T631] ? clear_bhb_loop+0x50/0xa0 [ 67.405781][ T631] ? clear_bhb_loop+0x50/0xa0 [ 67.410587][ T631] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 67.416749][ T631] RIP: 0033:0x7ff46e262ae9 [ 67.421168][ T631] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 67.441145][ T631] RSP: 002b:00007ff46ddc4078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 67.449766][ T631] RAX: ffffffffffffffda RBX: 00007ff46e382050 RCX: 00007ff46e262ae9 [ 67.457741][ T631] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 67.465750][ T631] RBP: 00007ff46ddc4120 R08: 0000000000000000 R09: 0000000000000000 [ 67.473729][ T631] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 67.481710][ T631] R13: 000000000000006e R14: 00007ff46e382050 R15: 00007ffd8c3b1f78 [ 67.489777][ T631] [ 67.498076][ T637] CPU: 0 PID: 637 Comm: syz-executor.3 Tainted: G W syzkaller #0 [ 67.498384][ T639] FAULT_INJECTION: forcing a failure. [ 67.498384][ T639] name failslab, interval 1, probability 0, space 0, times 0 [ 67.507165][ T637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 67.507181][ T637] Call Trace: [ 67.507188][ T637] [ 67.507195][ T637] __dump_stack+0x21/0x30 [ 67.507222][ T637] dump_stack_lvl+0xee/0x150 [ 67.545268][ T637] ? show_regs_print_info+0x20/0x20 [ 67.550751][ T637] dump_stack+0x15/0x20 [ 67.555016][ T637] should_fail+0x3c1/0x510 [ 67.559452][ T637] __should_failslab+0xa4/0xe0 [ 67.564242][ T637] should_failslab+0x9/0x20 [ 67.568823][ T637] slab_pre_alloc_hook+0x3b/0xe0 [ 67.573769][ T637] ? anon_vma_clone+0xc0/0x500 [ 67.578793][ T637] kmem_cache_alloc+0x44/0x260 [ 67.583583][ T637] anon_vma_clone+0xc0/0x500 [ 67.588175][ T637] anon_vma_fork+0x8c/0x510 [ 67.592688][ T637] copy_mm+0x9d1/0x13a0 [ 67.596971][ T637] ? copy_signal+0x600/0x600 [ 67.601578][ T637] ? __init_rwsem+0xfc/0x1d0 [ 67.606521][ T637] ? copy_signal+0x4cb/0x600 [ 67.611124][ T637] copy_process+0x115c/0x3210 [ 67.616066][ T637] ? __kasan_check_write+0x14/0x20 [ 67.621359][ T637] ? __pidfd_prepare+0x150/0x150 [ 67.626315][ T637] ? security_file_permission+0x83/0xa0 [ 67.632111][ T637] kernel_clone+0x23f/0x940 [ 67.636629][ T637] ? create_io_thread+0x130/0x130 [ 67.642006][ T637] ? __kasan_check_write+0x14/0x20 [ 67.647217][ T637] ? mutex_unlock+0x89/0x220 [ 67.651815][ T637] __x64_sys_clone+0x176/0x1d0 [ 67.656683][ T637] ? __kasan_check_write+0x14/0x20 [ 67.661814][ T637] ? __ia32_sys_vfork+0xf0/0xf0 [ 67.666806][ T637] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 67.672884][ T637] x64_sys_call+0x41f/0x9a0 [ 67.677392][ T637] do_syscall_64+0x4c/0xa0 [ 67.681814][ T637] ? clear_bhb_loop+0x50/0xa0 [ 67.686578][ T637] ? clear_bhb_loop+0x50/0xa0 [ 67.691367][ T637] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 67.697316][ T637] RIP: 0033:0x7f84a4323ae9 [ 67.701761][ T637] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 67.723171][ T637] RSP: 002b:00007f84a3e85078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 67.731851][ T637] RAX: ffffffffffffffda RBX: 00007f84a4443050 RCX: 00007f84a4323ae9 [ 67.739926][ T637] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 67.748002][ T637] RBP: 00007f84a3e85120 R08: 0000000000000000 R09: 0000000000000000 [ 67.756064][ T637] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 67.764401][ T637] R13: 000000000000006e R14: 00007f84a4443050 R15: 00007ffff34eefe8 [ 67.772570][ T637] 2025/12/11 09:31:20 executed programs: 85 [ 67.777374][ T639] CPU: 0 PID: 639 Comm: syz-executor.5 Tainted: G W syzkaller #0 [ 67.786440][ T639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 67.796975][ T639] Call Trace: [ 67.800270][ T639] [ 67.803226][ T639] __dump_stack+0x21/0x30 [ 67.807663][ T639] dump_stack_lvl+0xee/0x150 [ 67.812300][ T639] ? show_regs_print_info+0x20/0x20 [ 67.817508][ T639] dump_stack+0x15/0x20 [ 67.821816][ T639] should_fail+0x3c1/0x510 [ 67.826546][ T639] __should_failslab+0xa4/0xe0 [ 67.831518][ T639] should_failslab+0x9/0x20 [ 67.836124][ T639] slab_pre_alloc_hook+0x3b/0xe0 [ 67.841077][ T639] ? anon_vma_fork+0x200/0x510 [ 67.845855][ T639] kmem_cache_alloc+0x44/0x260 [ 67.850637][ T639] anon_vma_fork+0x200/0x510 [ 67.855463][ T639] copy_mm+0x9d1/0x13a0 [ 67.859883][ T639] ? copy_signal+0x600/0x600 [ 67.864508][ T639] ? __init_rwsem+0xfc/0x1d0 [ 67.869222][ T639] ? copy_signal+0x4cb/0x600 [ 67.874004][ T639] copy_process+0x115c/0x3210 [ 67.878709][ T639] ? __kasan_check_write+0x14/0x20 [ 67.884158][ T639] ? __pidfd_prepare+0x150/0x150 [ 67.889208][ T639] ? security_file_permission+0x83/0xa0 [ 67.894876][ T639] kernel_clone+0x23f/0x940 [ 67.899385][ T639] ? create_io_thread+0x130/0x130 [ 67.904419][ T639] ? __kasan_check_write+0x14/0x20 [ 67.909544][ T639] ? mutex_unlock+0x89/0x220 [ 67.914138][ T639] __x64_sys_clone+0x176/0x1d0 [ 67.918903][ T639] ? __kasan_check_write+0x14/0x20 [ 67.924018][ T639] ? __ia32_sys_vfork+0xf0/0xf0 [ 67.928885][ T639] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 67.935091][ T639] x64_sys_call+0x41f/0x9a0 [ 67.939876][ T639] do_syscall_64+0x4c/0xa0 [ 67.944310][ T639] ? clear_bhb_loop+0x50/0xa0 [ 67.949271][ T639] ? clear_bhb_loop+0x50/0xa0 [ 67.954084][ T639] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 67.960416][ T639] RIP: 0033:0x7fbf6e830ae9 [ 67.965024][ T639] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 67.985318][ T639] RSP: 002b:00007fbf6e392078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 67.993760][ T639] RAX: ffffffffffffffda RBX: 00007fbf6e950050 RCX: 00007fbf6e830ae9 [ 68.001757][ T639] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 68.009817][ T639] RBP: 00007fbf6e392120 R08: 0000000000000000 R09: 0000000000000000 [ 68.018382][ T639] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 68.026372][ T639] R13: 000000000000006e R14: 00007fbf6e950050 R15: 00007ffca52c22d8 [ 68.034361][ T639] [ 68.039784][ T643] FAULT_INJECTION: forcing a failure. [ 68.039784][ T643] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 68.053672][ T643] CPU: 0 PID: 643 Comm: syz-executor.4 Tainted: G W syzkaller #0 [ 68.062819][ T643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 68.073035][ T643] Call Trace: [ 68.076422][ T643] [ 68.079355][ T643] __dump_stack+0x21/0x30 [ 68.083693][ T643] dump_stack_lvl+0xee/0x150 [ 68.088460][ T643] ? show_regs_print_info+0x20/0x20 [ 68.093677][ T643] dump_stack+0x15/0x20 [ 68.097932][ T643] should_fail+0x3c1/0x510 [ 68.102438][ T643] should_fail_alloc_page+0x55/0x80 [ 68.107748][ T643] prepare_alloc_pages+0x156/0x600 [ 68.112874][ T643] ? __alloc_pages_bulk+0xab0/0xab0 [ 68.118080][ T643] __alloc_pages+0x10a/0x440 [ 68.122692][ T643] ? prep_new_page+0x110/0x110 [ 68.127676][ T643] ? __alloc_pages+0x18f/0x440 [ 68.132532][ T643] __pmd_alloc+0xa6/0x4a0 [ 68.136903][ T643] ? __kasan_check_write+0x14/0x20 [ 68.142021][ T643] ? _raw_spin_trylock_bh+0x130/0x130 [ 68.147497][ T643] ? __pud_alloc+0x1a0/0x1a0 [ 68.152088][ T643] ? __kasan_slab_alloc+0xcf/0xf0 [ 68.157244][ T643] ? __kasan_slab_alloc+0xbd/0xf0 [ 68.162357][ T643] ? _raw_spin_unlock+0x4d/0x70 [ 68.167248][ T643] ? __pud_alloc+0x17f/0x1a0 [ 68.172025][ T643] copy_page_range+0x254b/0x2890 [ 68.177152][ T643] ? pfn_valid+0x1d0/0x1d0 [ 68.181872][ T643] copy_mm+0xbe2/0x13a0 [ 68.186144][ T643] ? copy_signal+0x600/0x600 [ 68.190919][ T643] ? __init_rwsem+0xfc/0x1d0 [ 68.195606][ T643] ? copy_signal+0x4cb/0x600 [ 68.200207][ T643] copy_process+0x115c/0x3210 [ 68.204910][ T643] ? __kasan_check_write+0x14/0x20 [ 68.210027][ T643] ? __pidfd_prepare+0x150/0x150 [ 68.214996][ T643] ? security_file_permission+0x83/0xa0 [ 68.220557][ T643] kernel_clone+0x23f/0x940 [ 68.225089][ T643] ? create_io_thread+0x130/0x130 [ 68.230343][ T643] ? __kasan_check_write+0x14/0x20 [ 68.235564][ T643] ? mutex_unlock+0x89/0x220 [ 68.240189][ T643] __x64_sys_clone+0x176/0x1d0 [ 68.245051][ T643] ? __kasan_check_write+0x14/0x20 [ 68.250359][ T643] ? __ia32_sys_vfork+0xf0/0xf0 [ 68.255303][ T643] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 68.261555][ T643] x64_sys_call+0x41f/0x9a0 [ 68.266171][ T643] do_syscall_64+0x4c/0xa0 [ 68.270688][ T643] ? clear_bhb_loop+0x50/0xa0 [ 68.275462][ T643] ? clear_bhb_loop+0x50/0xa0 [ 68.280259][ T643] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 68.286275][ T643] RIP: 0033:0x7f18572fcae9 [ 68.290692][ T643] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 68.310476][ T643] RSP: 002b:00007f1856e7f078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 68.319307][ T643] RAX: ffffffffffffffda RBX: 00007f185741bf80 RCX: 00007f18572fcae9 [ 68.327315][ T643] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 68.335315][ T643] RBP: 00007f1856e7f120 R08: 0000000000000000 R09: 0000000000000000 [ 68.343402][ T643] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 68.351470][ T643] R13: 000000000000000b R14: 00007f185741bf80 R15: 00007ffe6668e1c8 [ 68.359539][ T643] [ 68.363532][ T646] FAULT_INJECTION: forcing a failure. [ 68.363532][ T646] name failslab, interval 1, probability 0, space 0, times 0 [ 68.377396][ T645] FAULT_INJECTION: forcing a failure. [ 68.377396][ T645] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 68.391164][ T645] CPU: 1 PID: 645 Comm: syz-executor.1 Tainted: G W syzkaller #0 [ 68.400426][ T645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 68.410776][ T645] Call Trace: [ 68.414333][ T645] [ 68.417289][ T645] __dump_stack+0x21/0x30 [ 68.421644][ T645] dump_stack_lvl+0xee/0x150 [ 68.426359][ T645] ? show_regs_print_info+0x20/0x20 [ 68.431661][ T645] dump_stack+0x15/0x20 [ 68.435839][ T645] should_fail+0x3c1/0x510 [ 68.440395][ T645] should_fail_alloc_page+0x55/0x80 [ 68.445867][ T645] prepare_alloc_pages+0x156/0x600 [ 68.451073][ T645] ? __alloc_pages_bulk+0xab0/0xab0 [ 68.456273][ T645] ? __kasan_check_write+0x14/0x20 [ 68.461388][ T645] ? add_mm_rss_vec+0x209/0x220 [ 68.466343][ T645] __alloc_pages+0x10a/0x440 [ 68.471052][ T645] ? prep_new_page+0x110/0x110 [ 68.475823][ T645] ? avc_has_perm_noaudit+0x2f4/0x460 [ 68.481915][ T645] new_slab+0xa1/0x4d0 [ 68.486124][ T645] ___slab_alloc+0x381/0x810 [ 68.490824][ T645] ? vm_area_dup+0x26/0x210 [ 68.495514][ T645] ? vm_area_dup+0x26/0x210 [ 68.500029][ T645] __slab_alloc+0x49/0x90 [ 68.504572][ T645] ? vm_area_dup+0x26/0x210 [ 68.509283][ T645] kmem_cache_alloc+0x138/0x260 [ 68.514309][ T645] vm_area_dup+0x26/0x210 [ 68.518699][ T645] copy_mm+0x93a/0x13a0 [ 68.523055][ T645] ? copy_signal+0x600/0x600 [ 68.527667][ T645] ? __init_rwsem+0xfc/0x1d0 [ 68.532281][ T645] ? copy_signal+0x4cb/0x600 [ 68.536896][ T645] copy_process+0x115c/0x3210 [ 68.541938][ T645] ? __kasan_check_write+0x14/0x20 [ 68.547263][ T645] ? __pidfd_prepare+0x150/0x150 [ 68.552395][ T645] ? security_file_permission+0x83/0xa0 [ 68.558056][ T645] kernel_clone+0x23f/0x940 [ 68.562779][ T645] ? create_io_thread+0x130/0x130 [ 68.567831][ T645] ? __kasan_check_write+0x14/0x20 [ 68.573162][ T645] ? mutex_unlock+0x89/0x220 [ 68.577927][ T645] __x64_sys_clone+0x176/0x1d0 [ 68.582992][ T645] ? __kasan_check_write+0x14/0x20 [ 68.588620][ T645] ? __ia32_sys_vfork+0xf0/0xf0 [ 68.593593][ T645] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 68.599676][ T645] x64_sys_call+0x41f/0x9a0 [ 68.604990][ T645] do_syscall_64+0x4c/0xa0 [ 68.609516][ T645] ? clear_bhb_loop+0x50/0xa0 [ 68.614703][ T645] ? clear_bhb_loop+0x50/0xa0 [ 68.619565][ T645] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 68.625700][ T645] RIP: 0033:0x7fe31a2afae9 [ 68.630239][ T645] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 68.650593][ T645] RSP: 002b:00007fe319e32078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 68.659745][ T645] RAX: ffffffffffffffda RBX: 00007fe31a3cef80 RCX: 00007fe31a2afae9 [ 68.668154][ T645] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 68.676974][ T645] RBP: 00007fe319e32120 R08: 0000000000000000 R09: 0000000000000000 [ 68.685278][ T645] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 68.693442][ T645] R13: 000000000000000b R14: 00007fe31a3cef80 R15: 00007ffdb5f74a38 [ 68.701910][ T645] [ 68.705583][ T646] CPU: 0 PID: 646 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 68.716148][ T646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 68.726850][ T646] Call Trace: [ 68.730158][ T646] [ 68.733382][ T646] __dump_stack+0x21/0x30 [ 68.738074][ T646] dump_stack_lvl+0xee/0x150 [ 68.742994][ T646] ? show_regs_print_info+0x20/0x20 [ 68.748263][ T646] dump_stack+0x15/0x20 [ 68.752640][ T646] should_fail+0x3c1/0x510 [ 68.758097][ T646] __should_failslab+0xa4/0xe0 [ 68.762920][ T646] should_failslab+0x9/0x20 [ 68.767478][ T646] slab_pre_alloc_hook+0x3b/0xe0 [ 68.772869][ T646] ? anon_vma_fork+0xf2/0x510 [ 68.777902][ T646] kmem_cache_alloc+0x44/0x260 [ 68.782986][ T646] anon_vma_fork+0xf2/0x510 [ 68.788473][ T646] copy_mm+0x9d1/0x13a0 [ 68.793136][ T646] ? copy_signal+0x600/0x600 [ 68.798606][ T646] ? __init_rwsem+0xfc/0x1d0 [ 68.803267][ T646] ? copy_signal+0x4cb/0x600 [ 68.808966][ T646] copy_process+0x115c/0x3210 [ 68.813712][ T646] ? __kasan_check_write+0x14/0x20 [ 68.819417][ T646] ? __pidfd_prepare+0x150/0x150 [ 68.824567][ T646] ? security_file_permission+0x83/0xa0 [ 68.830153][ T646] kernel_clone+0x23f/0x940 [ 68.835489][ T646] ? create_io_thread+0x130/0x130 [ 68.841509][ T646] ? __kasan_check_write+0x14/0x20 [ 68.847232][ T646] ? mutex_unlock+0x89/0x220 [ 68.852235][ T646] __x64_sys_clone+0x176/0x1d0 [ 68.857446][ T646] ? __kasan_check_write+0x14/0x20 [ 68.862764][ T646] ? __ia32_sys_vfork+0xf0/0xf0 [ 68.867907][ T646] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 68.874455][ T646] x64_sys_call+0x41f/0x9a0 [ 68.879083][ T646] do_syscall_64+0x4c/0xa0 [ 68.884167][ T646] ? clear_bhb_loop+0x50/0xa0 [ 68.888955][ T646] ? clear_bhb_loop+0x50/0xa0 [ 68.893742][ T646] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 68.899859][ T646] RIP: 0033:0x7ff46e262ae9 [ 68.904306][ T646] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 68.924196][ T646] RSP: 002b:00007ff46ddc4078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 68.933121][ T646] RAX: ffffffffffffffda RBX: 00007ff46e382050 RCX: 00007ff46e262ae9 [ 68.941206][ T646] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 68.949678][ T646] RBP: 00007ff46ddc4120 R08: 0000000000000000 R09: 0000000000000000 [ 68.958425][ T646] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 68.966737][ T646] R13: 000000000000006e R14: 00007ff46e382050 R15: 00007ffd8c3b1f78 [ 68.974927][ T646] [ 68.992004][ T654] FAULT_INJECTION: forcing a failure. [ 68.992004][ T654] name failslab, interval 1, probability 0, space 0, times 0 [ 68.992146][ T652] FAULT_INJECTION: forcing a failure. [ 68.992146][ T652] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 69.031843][ T648] FAULT_INJECTION: forcing a failure. [ 69.031843][ T648] name failslab, interval 1, probability 0, space 0, times 0 [ 69.044866][ T648] CPU: 1 PID: 648 Comm: syz-executor.2 Tainted: G W syzkaller #0 [ 69.045472][ T658] FAULT_INJECTION: forcing a failure. [ 69.045472][ T658] name failslab, interval 1, probability 0, space 0, times 0 [ 69.054036][ T648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 69.054058][ T648] Call Trace: [ 69.054066][ T648] [ 69.054076][ T648] __dump_stack+0x21/0x30 [ 69.054104][ T648] dump_stack_lvl+0xee/0x150 [ 69.054125][ T648] ? show_regs_print_info+0x20/0x20 [ 69.054149][ T648] dump_stack+0x15/0x20 [ 69.054168][ T648] should_fail+0x3c1/0x510 [ 69.076006][ T656] FAULT_INJECTION: forcing a failure. [ 69.076006][ T656] name failslab, interval 1, probability 0, space 0, times 0 [ 69.077261][ T648] __should_failslab+0xa4/0xe0 [ 69.077288][ T648] should_failslab+0x9/0x20 [ 69.077306][ T648] slab_pre_alloc_hook+0x3b/0xe0 [ 69.077327][ T648] ? anon_vma_clone+0xc0/0x500 [ 69.077345][ T648] kmem_cache_alloc+0x44/0x260 [ 69.077368][ T648] anon_vma_clone+0xc0/0x500 [ 69.148541][ T648] anon_vma_fork+0x8c/0x510 [ 69.153058][ T648] copy_mm+0x9d1/0x13a0 [ 69.157393][ T648] ? copy_signal+0x600/0x600 [ 69.161997][ T648] ? __init_rwsem+0xfc/0x1d0 [ 69.166795][ T648] ? copy_signal+0x4cb/0x600 [ 69.171632][ T648] copy_process+0x115c/0x3210 [ 69.176616][ T648] ? __kasan_check_write+0x14/0x20 [ 69.181855][ T648] ? __pidfd_prepare+0x150/0x150 [ 69.187608][ T648] ? security_file_permission+0x83/0xa0 [ 69.193702][ T648] kernel_clone+0x23f/0x940 [ 69.198481][ T648] ? create_io_thread+0x130/0x130 [ 69.204300][ T648] ? __kasan_check_write+0x14/0x20 [ 69.210258][ T648] ? mutex_unlock+0x89/0x220 [ 69.215043][ T648] __x64_sys_clone+0x176/0x1d0 [ 69.220197][ T648] ? __kasan_check_write+0x14/0x20 [ 69.226056][ T648] ? __ia32_sys_vfork+0xf0/0xf0 [ 69.232185][ T648] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 69.238601][ T648] x64_sys_call+0x41f/0x9a0 [ 69.243254][ T648] do_syscall_64+0x4c/0xa0 [ 69.247768][ T648] ? clear_bhb_loop+0x50/0xa0 [ 69.252671][ T648] ? clear_bhb_loop+0x50/0xa0 [ 69.257444][ T648] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 69.263430][ T648] RIP: 0033:0x7f25569a8ae9 [ 69.267945][ T648] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 69.288753][ T648] RSP: 002b:00007f255652b078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 69.297574][ T648] RAX: ffffffffffffffda RBX: 00007f2556ac7f80 RCX: 00007f25569a8ae9 [ 69.305731][ T648] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 69.313815][ T648] RBP: 00007f255652b120 R08: 0000000000000000 R09: 0000000000000000 [ 69.322264][ T648] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 69.330321][ T648] R13: 000000000000000b R14: 00007f2556ac7f80 R15: 00007ffc572e2ed8 [ 69.338703][ T648] [ 69.342216][ T656] CPU: 0 PID: 656 Comm: syz-executor.5 Tainted: G W syzkaller #0 [ 69.351380][ T656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 69.361665][ T656] Call Trace: [ 69.364957][ T656] [ 69.367902][ T656] __dump_stack+0x21/0x30 [ 69.372344][ T656] dump_stack_lvl+0xee/0x150 [ 69.376949][ T656] ? show_regs_print_info+0x20/0x20 [ 69.382394][ T656] dump_stack+0x15/0x20 [ 69.386566][ T656] should_fail+0x3c1/0x510 [ 69.391002][ T656] __should_failslab+0xa4/0xe0 [ 69.395946][ T656] should_failslab+0x9/0x20 [ 69.400457][ T656] slab_pre_alloc_hook+0x3b/0xe0 [ 69.405420][ T656] ? alloc_pid+0x9d/0xac0 [ 69.409773][ T656] kmem_cache_alloc+0x44/0x260 [ 69.414554][ T656] alloc_pid+0x9d/0xac0 [ 69.418910][ T656] copy_process+0x1365/0x3210 [ 69.423696][ T656] ? __kasan_check_write+0x14/0x20 [ 69.428820][ T656] ? __pidfd_prepare+0x150/0x150 [ 69.433901][ T656] ? security_file_permission+0x83/0xa0 [ 69.439467][ T656] kernel_clone+0x23f/0x940 [ 69.443987][ T656] ? create_io_thread+0x130/0x130 [ 69.449126][ T656] ? __kasan_check_write+0x14/0x20 [ 69.454271][ T656] ? mutex_unlock+0x89/0x220 [ 69.458902][ T656] __x64_sys_clone+0x176/0x1d0 [ 69.463703][ T656] ? __kasan_check_write+0x14/0x20 [ 69.468835][ T656] ? __ia32_sys_vfork+0xf0/0xf0 [ 69.473704][ T656] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 69.480010][ T656] x64_sys_call+0x41f/0x9a0 [ 69.484804][ T656] do_syscall_64+0x4c/0xa0 [ 69.489243][ T656] ? clear_bhb_loop+0x50/0xa0 [ 69.493943][ T656] ? clear_bhb_loop+0x50/0xa0 [ 69.498627][ T656] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 69.504616][ T656] RIP: 0033:0x7fbf6e830ae9 [ 69.509044][ T656] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 69.529126][ T656] RSP: 002b:00007fbf6e3b3078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 69.537775][ T656] RAX: ffffffffffffffda RBX: 00007fbf6e94ff80 RCX: 00007fbf6e830ae9 [ 69.545768][ T656] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 69.553749][ T656] RBP: 00007fbf6e3b3120 R08: 0000000000000000 R09: 0000000000000000 [ 69.561908][ T656] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 69.570329][ T656] R13: 000000000000000b R14: 00007fbf6e94ff80 R15: 00007ffca52c22d8 [ 69.578624][ T656] [ 69.581742][ T658] CPU: 1 PID: 658 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 69.591073][ T658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 69.601321][ T658] Call Trace: [ 69.604826][ T658] [ 69.607962][ T658] __dump_stack+0x21/0x30 [ 69.612362][ T658] dump_stack_lvl+0xee/0x150 [ 69.616961][ T658] ? show_regs_print_info+0x20/0x20 [ 69.622256][ T658] dump_stack+0x15/0x20 [ 69.626420][ T658] should_fail+0x3c1/0x510 [ 69.630840][ T658] __should_failslab+0xa4/0xe0 [ 69.635612][ T658] should_failslab+0x9/0x20 [ 69.640227][ T658] slab_pre_alloc_hook+0x3b/0xe0 [ 69.645173][ T658] ? anon_vma_clone+0xc0/0x500 [ 69.650136][ T658] kmem_cache_alloc+0x44/0x260 [ 69.654910][ T658] anon_vma_clone+0xc0/0x500 [ 69.659508][ T658] anon_vma_fork+0x8c/0x510 [ 69.664021][ T658] copy_mm+0x9d1/0x13a0 [ 69.668298][ T658] ? copy_signal+0x600/0x600 [ 69.673238][ T658] ? __init_rwsem+0xfc/0x1d0 [ 69.677864][ T658] ? copy_signal+0x4cb/0x600 [ 69.682562][ T658] copy_process+0x115c/0x3210 [ 69.687349][ T658] ? __kasan_check_write+0x14/0x20 [ 69.692586][ T658] ? __pidfd_prepare+0x150/0x150 [ 69.697719][ T658] ? security_file_permission+0x83/0xa0 [ 69.703486][ T658] kernel_clone+0x23f/0x940 [ 69.708170][ T658] ? create_io_thread+0x130/0x130 [ 69.713206][ T658] ? __kasan_check_write+0x14/0x20 [ 69.718610][ T658] ? mutex_unlock+0x89/0x220 [ 69.723208][ T658] __x64_sys_clone+0x176/0x1d0 [ 69.727979][ T658] ? __kasan_check_write+0x14/0x20 [ 69.733190][ T658] ? __ia32_sys_vfork+0xf0/0xf0 [ 69.738154][ T658] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 69.744343][ T658] x64_sys_call+0x41f/0x9a0 [ 69.749008][ T658] do_syscall_64+0x4c/0xa0 [ 69.753461][ T658] ? clear_bhb_loop+0x50/0xa0 [ 69.758226][ T658] ? clear_bhb_loop+0x50/0xa0 [ 69.763002][ T658] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 69.768991][ T658] RIP: 0033:0x7ff46e262ae9 [ 69.773522][ T658] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 69.793880][ T658] RSP: 002b:00007ff46dde5078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 69.802322][ T658] RAX: ffffffffffffffda RBX: 00007ff46e381f80 RCX: 00007ff46e262ae9 [ 69.810604][ T658] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 69.818680][ T658] RBP: 00007ff46dde5120 R08: 0000000000000000 R09: 0000000000000000 [ 69.826925][ T658] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 69.835081][ T658] R13: 000000000000000b R14: 00007ff46e381f80 R15: 00007ffd8c3b1f78 [ 69.843156][ T658] [ 69.846849][ T652] CPU: 1 PID: 652 Comm: syz-executor.4 Tainted: G W syzkaller #0 [ 69.856086][ T652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 69.866257][ T652] Call Trace: [ 69.869543][ T652] [ 69.872588][ T652] __dump_stack+0x21/0x30 [ 69.876927][ T652] dump_stack_lvl+0xee/0x150 [ 69.881616][ T652] ? show_regs_print_info+0x20/0x20 [ 69.886915][ T652] ? prep_new_page+0x1c/0x110 [ 69.891601][ T652] dump_stack+0x15/0x20 [ 69.895766][ T652] should_fail+0x3c1/0x510 [ 69.900189][ T652] should_fail_alloc_page+0x55/0x80 [ 69.905393][ T652] prepare_alloc_pages+0x156/0x600 [ 69.910515][ T652] ? __alloc_pages_bulk+0xab0/0xab0 [ 69.915715][ T652] ? __alloc_pages+0x440/0x440 [ 69.920504][ T652] __alloc_pages+0x10a/0x440 [ 69.925221][ T652] ? prep_new_page+0x110/0x110 [ 69.930001][ T652] ? __kasan_check_write+0x14/0x20 [ 69.935121][ T652] ? _raw_spin_lock+0x8e/0xe0 [ 69.939849][ T652] pte_alloc_one+0x70/0x180 [ 69.944357][ T652] ? pfn_modify_allowed+0x2f0/0x2f0 [ 69.949720][ T652] ? __mod_lruvec_page_state+0x15d/0x1c0 [ 69.955540][ T652] ? _raw_spin_unlock+0x4d/0x70 [ 69.960569][ T652] ? __pmd_alloc+0x3ef/0x4a0 [ 69.965339][ T652] ? __kasan_check_write+0x14/0x20 [ 69.970461][ T652] __pte_alloc+0x75/0x290 [ 69.975019][ T652] ? __pud_alloc+0x1a0/0x1a0 [ 69.979702][ T652] ? __kasan_slab_alloc+0xcf/0xf0 [ 69.984734][ T652] ? free_pgtables+0x280/0x280 [ 69.989518][ T652] ? _raw_spin_unlock+0x4d/0x70 [ 69.994379][ T652] copy_page_range+0x2348/0x2890 [ 69.999442][ T652] ? pfn_valid+0x1d0/0x1d0 [ 70.003984][ T652] copy_mm+0xbe2/0x13a0 [ 70.008743][ T652] ? copy_signal+0x600/0x600 [ 70.013539][ T652] ? __init_rwsem+0xfc/0x1d0 [ 70.018150][ T652] ? copy_signal+0x4cb/0x600 [ 70.022741][ T652] copy_process+0x115c/0x3210 [ 70.027462][ T652] ? __kasan_check_write+0x14/0x20 [ 70.032669][ T652] ? __pidfd_prepare+0x150/0x150 [ 70.037837][ T652] ? security_file_permission+0x83/0xa0 [ 70.043393][ T652] kernel_clone+0x23f/0x940 [ 70.048159][ T652] ? create_io_thread+0x130/0x130 [ 70.053191][ T652] ? __kasan_check_write+0x14/0x20 [ 70.058305][ T652] ? mutex_unlock+0x89/0x220 [ 70.062914][ T652] __x64_sys_clone+0x176/0x1d0 [ 70.067773][ T652] ? __kasan_check_write+0x14/0x20 [ 70.072910][ T652] ? __ia32_sys_vfork+0xf0/0xf0 [ 70.077783][ T652] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 70.083961][ T652] x64_sys_call+0x41f/0x9a0 [ 70.088469][ T652] do_syscall_64+0x4c/0xa0 [ 70.092894][ T652] ? clear_bhb_loop+0x50/0xa0 [ 70.097572][ T652] ? clear_bhb_loop+0x50/0xa0 [ 70.102250][ T652] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 70.108237][ T652] RIP: 0033:0x7f18572fcae9 [ 70.112768][ T652] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 70.132653][ T652] RSP: 002b:00007f1856e7f078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 70.141152][ T652] RAX: ffffffffffffffda RBX: 00007f185741bf80 RCX: 00007f18572fcae9 [ 70.149215][ T652] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 70.157191][ T652] RBP: 00007f1856e7f120 R08: 0000000000000000 R09: 0000000000000000 [ 70.165362][ T652] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 70.174295][ T652] R13: 000000000000000b R14: 00007f185741bf80 R15: 00007ffe6668e1c8 [ 70.182394][ T652] [ 70.186854][ T662] FAULT_INJECTION: forcing a failure. [ 70.186854][ T662] name failslab, interval 1, probability 0, space 0, times 0 [ 70.200381][ T654] CPU: 0 PID: 654 Comm: syz-executor.1 Tainted: G W syzkaller #0 [ 70.209823][ T654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 70.219902][ T654] Call Trace: [ 70.223808][ T654] [ 70.226856][ T654] __dump_stack+0x21/0x30 [ 70.231539][ T654] dump_stack_lvl+0xee/0x150 [ 70.236668][ T654] ? show_regs_print_info+0x20/0x20 [ 70.241970][ T654] dump_stack+0x15/0x20 [ 70.246136][ T654] should_fail+0x3c1/0x510 [ 70.250654][ T654] __should_failslab+0xa4/0xe0 [ 70.255520][ T654] should_failslab+0x9/0x20 [ 70.260140][ T654] slab_pre_alloc_hook+0x3b/0xe0 [ 70.265098][ T654] ? vm_area_dup+0x26/0x210 [ 70.269624][ T654] kmem_cache_alloc+0x44/0x260 [ 70.274484][ T654] vm_area_dup+0x26/0x210 [ 70.279102][ T654] copy_mm+0x93a/0x13a0 [ 70.283376][ T654] ? copy_signal+0x600/0x600 [ 70.287971][ T654] ? __init_rwsem+0xfc/0x1d0 [ 70.292567][ T654] ? copy_signal+0x4cb/0x600 [ 70.297339][ T654] copy_process+0x115c/0x3210 [ 70.302112][ T654] ? __kasan_check_write+0x14/0x20 [ 70.307242][ T654] ? __pidfd_prepare+0x150/0x150 [ 70.312444][ T654] ? security_file_permission+0x83/0xa0 [ 70.318000][ T654] kernel_clone+0x23f/0x940 [ 70.322620][ T654] ? create_io_thread+0x130/0x130 [ 70.327790][ T654] ? __kasan_check_write+0x14/0x20 [ 70.332930][ T654] ? mutex_unlock+0x89/0x220 [ 70.337616][ T654] __x64_sys_clone+0x176/0x1d0 [ 70.342388][ T654] ? __kasan_check_write+0x14/0x20 [ 70.347505][ T654] ? __ia32_sys_vfork+0xf0/0xf0 [ 70.352456][ T654] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 70.358569][ T654] x64_sys_call+0x41f/0x9a0 [ 70.363164][ T654] do_syscall_64+0x4c/0xa0 [ 70.367584][ T654] ? clear_bhb_loop+0x50/0xa0 [ 70.372275][ T654] ? clear_bhb_loop+0x50/0xa0 [ 70.376960][ T654] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 70.382860][ T654] RIP: 0033:0x7fe31a2afae9 [ 70.387383][ T654] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 70.407116][ T654] RSP: 002b:00007fe319e32078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 70.415677][ T654] RAX: ffffffffffffffda RBX: 00007fe31a3cef80 RCX: 00007fe31a2afae9 [ 70.423744][ T654] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 70.431854][ T654] RBP: 00007fe319e32120 R08: 0000000000000000 R09: 0000000000000000 [ 70.440022][ T654] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 70.448092][ T654] R13: 000000000000000b R14: 00007fe31a3cef80 R15: 00007ffdb5f74a38 [ 70.456200][ T654] [ 70.459914][ T662] CPU: 0 PID: 662 Comm: syz-executor.3 Tainted: G W syzkaller #0 [ 70.469191][ T662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 70.479473][ T662] Call Trace: [ 70.482770][ T662] [ 70.485791][ T662] __dump_stack+0x21/0x30 [ 70.490331][ T662] dump_stack_lvl+0xee/0x150 [ 70.495068][ T662] ? show_regs_print_info+0x20/0x20 [ 70.500322][ T662] dump_stack+0x15/0x20 [ 70.504512][ T662] should_fail+0x3c1/0x510 [ 70.508951][ T662] __should_failslab+0xa4/0xe0 [ 70.513728][ T662] should_failslab+0x9/0x20 [ 70.518694][ T662] slab_pre_alloc_hook+0x3b/0xe0 [ 70.523828][ T662] ? anon_vma_clone+0xc0/0x500 [ 70.528629][ T662] kmem_cache_alloc+0x44/0x260 [ 70.533406][ T662] anon_vma_clone+0xc0/0x500 [ 70.538006][ T662] anon_vma_fork+0x8c/0x510 [ 70.542610][ T662] copy_mm+0x9d1/0x13a0 [ 70.546770][ T662] ? copy_signal+0x600/0x600 [ 70.551361][ T662] ? __init_rwsem+0xfc/0x1d0 [ 70.555974][ T662] ? copy_signal+0x4cb/0x600 [ 70.560570][ T662] copy_process+0x115c/0x3210 [ 70.565265][ T662] ? __kasan_check_write+0x14/0x20 [ 70.570413][ T662] ? __pidfd_prepare+0x150/0x150 [ 70.575412][ T662] ? security_file_permission+0x83/0xa0 [ 70.581076][ T662] kernel_clone+0x23f/0x940 [ 70.585682][ T662] ? create_io_thread+0x130/0x130 [ 70.591155][ T662] ? __kasan_check_write+0x14/0x20 [ 70.596294][ T662] ? mutex_unlock+0x89/0x220 [ 70.600906][ T662] __x64_sys_clone+0x176/0x1d0 [ 70.605679][ T662] ? __kasan_check_write+0x14/0x20 [ 70.611333][ T662] ? __ia32_sys_vfork+0xf0/0xf0 [ 70.616206][ T662] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 70.622279][ T662] x64_sys_call+0x41f/0x9a0 [ 70.626789][ T662] do_syscall_64+0x4c/0xa0 [ 70.631394][ T662] ? clear_bhb_loop+0x50/0xa0 [ 70.636076][ T662] ? clear_bhb_loop+0x50/0xa0 [ 70.640751][ T662] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 70.646667][ T662] RIP: 0033:0x7f84a4323ae9 [ 70.651623][ T662] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 70.671797][ T662] RSP: 002b:00007f84a3e85078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 70.680239][ T662] RAX: ffffffffffffffda RBX: 00007f84a4443050 RCX: 00007f84a4323ae9 [ 70.688315][ T662] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 70.696391][ T662] RBP: 00007f84a3e85120 R08: 0000000000000000 R09: 0000000000000000 [ 70.704400][ T662] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 70.712554][ T662] R13: 000000000000006e R14: 00007f84a4443050 R15: 00007ffff34eefe8 [ 70.720653][ T662] [ 70.749059][ T669] FAULT_INJECTION: forcing a failure. [ 70.749059][ T669] name failslab, interval 1, probability 0, space 0, times 0 [ 70.764741][ T669] CPU: 1 PID: 669 Comm: syz-executor.5 Tainted: G W syzkaller #0 [ 70.773820][ T669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 70.784195][ T669] Call Trace: [ 70.787580][ T669] [ 70.790763][ T669] __dump_stack+0x21/0x30 [ 70.795387][ T669] dump_stack_lvl+0xee/0x150 [ 70.800907][ T669] ? show_regs_print_info+0x20/0x20 [ 70.806387][ T669] dump_stack+0x15/0x20 [ 70.810725][ T669] should_fail+0x3c1/0x510 [ 70.815415][ T669] __should_failslab+0xa4/0xe0 [ 70.820185][ T669] should_failslab+0x9/0x20 [ 70.824797][ T669] slab_pre_alloc_hook+0x3b/0xe0 [ 70.829913][ T669] ? anon_vma_clone+0xc0/0x500 [ 70.834766][ T669] kmem_cache_alloc+0x44/0x260 [ 70.839535][ T669] anon_vma_clone+0xc0/0x500 [ 70.844212][ T669] anon_vma_fork+0x8c/0x510 [ 70.849037][ T669] copy_mm+0x9d1/0x13a0 [ 70.853234][ T669] ? copy_signal+0x600/0x600 [ 70.858180][ T669] ? __init_rwsem+0xfc/0x1d0 [ 70.862794][ T669] ? copy_signal+0x4cb/0x600 [ 70.867435][ T669] copy_process+0x115c/0x3210 [ 70.872298][ T669] ? __kasan_check_write+0x14/0x20 [ 70.877439][ T669] ? __pidfd_prepare+0x150/0x150 [ 70.882523][ T669] ? security_file_permission+0x83/0xa0 [ 70.888317][ T669] kernel_clone+0x23f/0x940 [ 70.892967][ T669] ? create_io_thread+0x130/0x130 [ 70.898120][ T669] ? __kasan_check_write+0x14/0x20 [ 70.903238][ T669] ? mutex_unlock+0x89/0x220 [ 70.907835][ T669] __x64_sys_clone+0x176/0x1d0 [ 70.912709][ T669] ? __kasan_check_write+0x14/0x20 [ 70.917827][ T669] ? __ia32_sys_vfork+0xf0/0xf0 [ 70.922693][ T669] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 70.928777][ T669] x64_sys_call+0x41f/0x9a0 [ 70.933472][ T669] do_syscall_64+0x4c/0xa0 [ 70.938016][ T669] ? clear_bhb_loop+0x50/0xa0 [ 70.942825][ T669] ? clear_bhb_loop+0x50/0xa0 [ 70.947627][ T669] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 70.953545][ T669] RIP: 0033:0x7fbf6e830ae9 [ 70.958078][ T669] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 70.978183][ T669] RSP: 002b:00007fbf6e392078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 70.986620][ T669] RAX: ffffffffffffffda RBX: 00007fbf6e950050 RCX: 00007fbf6e830ae9 [ 70.994697][ T669] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 71.002872][ T669] RBP: 00007fbf6e392120 R08: 0000000000000000 R09: 0000000000000000 [ 71.010978][ T669] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 71.019419][ T669] R13: 000000000000006e R14: 00007fbf6e950050 R15: 00007ffca52c22d8 [ 71.027418][ T669] [ 71.031981][ T676] FAULT_INJECTION: forcing a failure. [ 71.031981][ T676] name failslab, interval 1, probability 0, space 0, times 0 [ 71.047104][ T676] CPU: 0 PID: 676 Comm: syz-executor.2 Tainted: G W syzkaller #0 [ 71.056479][ T676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 71.066879][ T676] Call Trace: [ 71.070172][ T676] [ 71.073105][ T676] __dump_stack+0x21/0x30 [ 71.077443][ T676] dump_stack_lvl+0xee/0x150 [ 71.082239][ T676] ? show_regs_print_info+0x20/0x20 [ 71.087881][ T676] dump_stack+0x15/0x20 [ 71.092236][ T676] should_fail+0x3c1/0x510 [ 71.096851][ T676] __should_failslab+0xa4/0xe0 [ 71.101885][ T676] should_failslab+0x9/0x20 [ 71.106578][ T676] slab_pre_alloc_hook+0x3b/0xe0 [ 71.111526][ T676] ? anon_vma_clone+0xc0/0x500 [ 71.116291][ T676] kmem_cache_alloc+0x44/0x260 [ 71.121314][ T676] anon_vma_clone+0xc0/0x500 [ 71.126221][ T676] anon_vma_fork+0x8c/0x510 [ 71.130820][ T676] copy_mm+0x9d1/0x13a0 [ 71.135095][ T676] ? copy_signal+0x600/0x600 [ 71.139685][ T676] ? __init_rwsem+0xfc/0x1d0 [ 71.144278][ T676] ? copy_signal+0x4cb/0x600 [ 71.148999][ T676] copy_process+0x115c/0x3210 [ 71.153708][ T676] ? __kasan_check_write+0x14/0x20 [ 71.159005][ T676] ? __pidfd_prepare+0x150/0x150 [ 71.164051][ T676] ? security_file_permission+0x83/0xa0 [ 71.169624][ T676] kernel_clone+0x23f/0x940 [ 71.174144][ T676] ? create_io_thread+0x130/0x130 [ 71.179313][ T676] ? __kasan_check_write+0x14/0x20 [ 71.185150][ T676] ? mutex_unlock+0x89/0x220 [ 71.189860][ T676] __x64_sys_clone+0x176/0x1d0 [ 71.194809][ T676] ? __kasan_check_write+0x14/0x20 [ 71.200205][ T676] ? __ia32_sys_vfork+0xf0/0xf0 [ 71.205098][ T676] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 71.211473][ T676] x64_sys_call+0x41f/0x9a0 [ 71.216195][ T676] do_syscall_64+0x4c/0xa0 [ 71.220622][ T676] ? clear_bhb_loop+0x50/0xa0 [ 71.225389][ T676] ? clear_bhb_loop+0x50/0xa0 [ 71.230210][ T676] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.236220][ T676] RIP: 0033:0x7f25569a8ae9 [ 71.240645][ T676] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 71.260551][ T676] RSP: 002b:00007f255650a078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 71.269274][ T676] RAX: ffffffffffffffda RBX: 00007f2556ac8050 RCX: 00007f25569a8ae9 [ 71.277255][ T676] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 71.285230][ T676] RBP: 00007f255650a120 R08: 0000000000000000 R09: 0000000000000000 [ 71.293293][ T676] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 71.301359][ T676] R13: 000000000000006e R14: 00007f2556ac8050 R15: 00007ffc572e2ed8 [ 71.309359][ T676] [ 71.313803][ T680] FAULT_INJECTION: forcing a failure. [ 71.313803][ T680] name failslab, interval 1, probability 0, space 0, times 0 [ 71.316253][ T678] FAULT_INJECTION: forcing a failure. [ 71.316253][ T678] name failslab, interval 1, probability 0, space 0, times 0 [ 71.339992][ T679] FAULT_INJECTION: forcing a failure. [ 71.339992][ T679] name failslab, interval 1, probability 0, space 0, times 0 [ 71.355533][ T679] CPU: 0 PID: 679 Comm: syz-executor.1 Tainted: G W syzkaller #0 [ 71.364597][ T679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 71.374752][ T679] Call Trace: [ 71.378133][ T679] [ 71.381080][ T679] __dump_stack+0x21/0x30 [ 71.385432][ T679] dump_stack_lvl+0xee/0x150 [ 71.390219][ T679] ? show_regs_print_info+0x20/0x20 [ 71.395532][ T679] dump_stack+0x15/0x20 [ 71.399698][ T679] should_fail+0x3c1/0x510 [ 71.404196][ T679] __should_failslab+0xa4/0xe0 [ 71.408976][ T679] should_failslab+0x9/0x20 [ 71.413683][ T679] slab_pre_alloc_hook+0x3b/0xe0 [ 71.418758][ T679] ? anon_vma_fork+0xf2/0x510 [ 71.423630][ T679] kmem_cache_alloc+0x44/0x260 [ 71.428447][ T679] anon_vma_fork+0xf2/0x510 [ 71.432983][ T679] copy_mm+0x9d1/0x13a0 [ 71.437150][ T679] ? copy_signal+0x600/0x600 [ 71.441832][ T679] ? __init_rwsem+0xfc/0x1d0 [ 71.446434][ T679] ? copy_signal+0x4cb/0x600 [ 71.451076][ T679] copy_process+0x115c/0x3210 [ 71.455874][ T679] ? __kasan_check_write+0x14/0x20 [ 71.461045][ T679] ? __pidfd_prepare+0x150/0x150 [ 71.466006][ T679] ? security_file_permission+0x83/0xa0 [ 71.471582][ T679] kernel_clone+0x23f/0x940 [ 71.476190][ T679] ? create_io_thread+0x130/0x130 [ 71.481358][ T679] ? __kasan_check_write+0x14/0x20 [ 71.486487][ T679] ? mutex_unlock+0x89/0x220 [ 71.491103][ T679] __x64_sys_clone+0x176/0x1d0 [ 71.495989][ T679] ? __kasan_check_write+0x14/0x20 [ 71.501116][ T679] ? __ia32_sys_vfork+0xf0/0xf0 [ 71.506198][ T679] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 71.512572][ T679] x64_sys_call+0x41f/0x9a0 [ 71.517192][ T679] do_syscall_64+0x4c/0xa0 [ 71.521792][ T679] ? clear_bhb_loop+0x50/0xa0 [ 71.526511][ T679] ? clear_bhb_loop+0x50/0xa0 [ 71.531301][ T679] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.537223][ T679] RIP: 0033:0x7fe31a2afae9 [ 71.541654][ T679] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 71.561370][ T679] RSP: 002b:00007fe319e11078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 71.569922][ T679] RAX: ffffffffffffffda RBX: 00007fe31a3cf050 RCX: 00007fe31a2afae9 [ 71.578095][ T679] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 71.586083][ T679] RBP: 00007fe319e11120 R08: 0000000000000000 R09: 0000000000000000 [ 71.594080][ T679] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 71.602064][ T679] R13: 000000000000006e R14: 00007fe31a3cf050 R15: 00007ffdb5f74a38 [ 71.610275][ T679] [ 71.613631][ T678] CPU: 0 PID: 678 Comm: syz-executor.4 Tainted: G W syzkaller #0 [ 71.622680][ T678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 71.632842][ T678] Call Trace: [ 71.636177][ T678] [ 71.639218][ T678] __dump_stack+0x21/0x30 [ 71.643785][ T678] dump_stack_lvl+0xee/0x150 [ 71.648663][ T678] ? show_regs_print_info+0x20/0x20 [ 71.653983][ T678] dump_stack+0x15/0x20 [ 71.658190][ T678] should_fail+0x3c1/0x510 [ 71.662756][ T678] __should_failslab+0xa4/0xe0 [ 71.667756][ T678] should_failslab+0x9/0x20 [ 71.672297][ T678] slab_pre_alloc_hook+0x3b/0xe0 [ 71.677355][ T678] ? anon_vma_clone+0xc0/0x500 [ 71.682129][ T678] kmem_cache_alloc+0x44/0x260 [ 71.687087][ T678] anon_vma_clone+0xc0/0x500 [ 71.699268][ T678] anon_vma_fork+0x8c/0x510 [ 71.703792][ T678] copy_mm+0x9d1/0x13a0 [ 71.707961][ T678] ? copy_signal+0x600/0x600 [ 71.712896][ T678] ? __init_rwsem+0xfc/0x1d0 [ 71.717734][ T678] ? copy_signal+0x4cb/0x600 [ 71.722342][ T678] copy_process+0x115c/0x3210 [ 71.727039][ T678] ? __kasan_check_write+0x14/0x20 [ 71.732404][ T678] ? __pidfd_prepare+0x150/0x150 [ 71.737540][ T678] ? security_file_permission+0x83/0xa0 [ 71.743109][ T678] kernel_clone+0x23f/0x940 [ 71.747773][ T678] ? create_io_thread+0x130/0x130 [ 71.752963][ T678] ? __kasan_check_write+0x14/0x20 [ 71.758098][ T678] ? mutex_unlock+0x89/0x220 [ 71.762805][ T678] __x64_sys_clone+0x176/0x1d0 [ 71.767681][ T678] ? __kasan_check_write+0x14/0x20 [ 71.772813][ T678] ? __ia32_sys_vfork+0xf0/0xf0 [ 71.777766][ T678] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 71.783856][ T678] x64_sys_call+0x41f/0x9a0 [ 71.788396][ T678] do_syscall_64+0x4c/0xa0 [ 71.792928][ T678] ? clear_bhb_loop+0x50/0xa0 [ 71.797745][ T678] ? clear_bhb_loop+0x50/0xa0 [ 71.802534][ T678] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.808538][ T678] RIP: 0033:0x7f18572fcae9 [ 71.813237][ T678] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 71.833432][ T678] RSP: 002b:00007f1856e5e078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 71.841895][ T678] RAX: ffffffffffffffda RBX: 00007f185741c050 RCX: 00007f18572fcae9 [ 71.850047][ T678] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 71.858294][ T678] RBP: 00007f1856e5e120 R08: 0000000000000000 R09: 0000000000000000 [ 71.866461][ T678] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 71.874844][ T678] R13: 000000000000006e R14: 00007f185741c050 R15: 00007ffe6668e1c8 [ 71.883097][ T678] [ 71.889879][ T680] CPU: 1 PID: 680 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 71.899244][ T680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 71.909486][ T680] Call Trace: [ 71.912772][ T680] [ 71.915709][ T680] __dump_stack+0x21/0x30 [ 71.920052][ T680] dump_stack_lvl+0xee/0x150 [ 71.924763][ T680] ? show_regs_print_info+0x20/0x20 [ 71.929970][ T680] dump_stack+0x15/0x20 [ 71.934249][ T680] should_fail+0x3c1/0x510 [ 71.938671][ T680] __should_failslab+0xa4/0xe0 [ 71.943439][ T680] should_failslab+0x9/0x20 [ 71.947947][ T680] slab_pre_alloc_hook+0x3b/0xe0 [ 71.952984][ T680] ? anon_vma_fork+0xf2/0x510 [ 71.957752][ T680] kmem_cache_alloc+0x44/0x260 [ 71.962523][ T680] anon_vma_fork+0xf2/0x510 [ 71.967143][ T680] copy_mm+0x9d1/0x13a0 [ 71.971307][ T680] ? copy_signal+0x600/0x600 [ 71.975907][ T680] ? __init_rwsem+0xfc/0x1d0 [ 71.980601][ T680] ? copy_signal+0x4cb/0x600 [ 71.985198][ T680] copy_process+0x115c/0x3210 [ 71.989885][ T680] ? __kasan_check_write+0x14/0x20 [ 71.995005][ T680] ? __pidfd_prepare+0x150/0x150 [ 71.999952][ T680] ? security_file_permission+0x83/0xa0 [ 72.005507][ T680] kernel_clone+0x23f/0x940 [ 72.010020][ T680] ? create_io_thread+0x130/0x130 [ 72.015058][ T680] ? __kasan_check_write+0x14/0x20 [ 72.020171][ T680] ? mutex_unlock+0x89/0x220 [ 72.024951][ T680] __x64_sys_clone+0x176/0x1d0 [ 72.029811][ T680] ? __kasan_check_write+0x14/0x20 [ 72.034927][ T680] ? __ia32_sys_vfork+0xf0/0xf0 [ 72.039901][ T680] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 72.046159][ T680] x64_sys_call+0x41f/0x9a0 [ 72.050786][ T680] do_syscall_64+0x4c/0xa0 [ 72.055209][ T680] ? clear_bhb_loop+0x50/0xa0 [ 72.060149][ T680] ? clear_bhb_loop+0x50/0xa0 [ 72.064962][ T680] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 72.070963][ T680] RIP: 0033:0x7ff46e262ae9 [ 72.075390][ T680] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 72.096177][ T680] RSP: 002b:00007ff46ddc4078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 72.104639][ T680] RAX: ffffffffffffffda RBX: 00007ff46e382050 RCX: 00007ff46e262ae9 [ 72.112639][ T680] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 72.120702][ T680] RBP: 00007ff46ddc4120 R08: 0000000000000000 R09: 0000000000000000 [ 72.128858][ T680] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 72.136935][ T680] R13: 000000000000006e R14: 00007ff46e382050 R15: 00007ffd8c3b1f78 [ 72.144925][ T680] [ 72.154820][ T683] FAULT_INJECTION: forcing a failure. [ 72.154820][ T683] name failslab, interval 1, probability 0, space 0, times 0 [ 72.178941][ T689] FAULT_INJECTION: forcing a failure. [ 72.178941][ T689] name failslab, interval 1, probability 0, space 0, times 0 [ 72.195296][ T692] FAULT_INJECTION: forcing a failure. [ 72.195296][ T692] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 72.209420][ T683] CPU: 0 PID: 683 Comm: syz-executor.3 Tainted: G W syzkaller #0 [ 72.218492][ T683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 72.228574][ T683] Call Trace: [ 72.231866][ T683] [ 72.234800][ T683] __dump_stack+0x21/0x30 [ 72.239154][ T683] dump_stack_lvl+0xee/0x150 [ 72.243745][ T683] ? show_regs_print_info+0x20/0x20 [ 72.249122][ T683] dump_stack+0x15/0x20 [ 72.253279][ T683] should_fail+0x3c1/0x510 [ 72.257698][ T683] __should_failslab+0xa4/0xe0 [ 72.262464][ T683] should_failslab+0x9/0x20 [ 72.267087][ T683] slab_pre_alloc_hook+0x3b/0xe0 [ 72.272051][ T683] ? anon_vma_fork+0x200/0x510 [ 72.276821][ T683] kmem_cache_alloc+0x44/0x260 [ 72.281765][ T683] anon_vma_fork+0x200/0x510 [ 72.286374][ T683] copy_mm+0x9d1/0x13a0 [ 72.290535][ T683] ? copy_signal+0x600/0x600 [ 72.295373][ T683] ? __init_rwsem+0xfc/0x1d0 [ 72.299974][ T683] ? copy_signal+0x4cb/0x600 [ 72.304657][ T683] copy_process+0x115c/0x3210 [ 72.309524][ T683] ? __kasan_check_write+0x14/0x20 [ 72.314649][ T683] ? __pidfd_prepare+0x150/0x150 [ 72.319678][ T683] ? security_file_permission+0x83/0xa0 [ 72.325230][ T683] kernel_clone+0x23f/0x940 [ 72.329813][ T683] ? create_io_thread+0x130/0x130 [ 72.334851][ T683] ? __kasan_check_write+0x14/0x20 [ 72.340056][ T683] ? mutex_unlock+0x89/0x220 [ 72.344647][ T683] __x64_sys_clone+0x176/0x1d0 [ 72.349428][ T683] ? __kasan_check_write+0x14/0x20 [ 72.354743][ T683] ? __ia32_sys_vfork+0xf0/0xf0 [ 72.359645][ T683] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 72.365827][ T683] x64_sys_call+0x41f/0x9a0 [ 72.370341][ T683] do_syscall_64+0x4c/0xa0 [ 72.374871][ T683] ? clear_bhb_loop+0x50/0xa0 [ 72.379560][ T683] ? clear_bhb_loop+0x50/0xa0 [ 72.384245][ T683] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 72.390146][ T683] RIP: 0033:0x7f84a4323ae9 [ 72.394570][ T683] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 72.414800][ T683] RSP: 002b:00007f84a3ea6078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 72.423780][ T683] RAX: ffffffffffffffda RBX: 00007f84a4442f80 RCX: 00007f84a4323ae9 [ 72.432069][ T683] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 72.440132][ T683] RBP: 00007f84a3ea6120 R08: 0000000000000000 R09: 0000000000000000 [ 72.448202][ T683] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 72.456195][ T683] R13: 000000000000000b R14: 00007f84a4442f80 R15: 00007ffff34eefe8 [ 72.464180][ T683] [ 72.467307][ T689] CPU: 1 PID: 689 Comm: syz-executor.2 Tainted: G W syzkaller #0 [ 72.476700][ T689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 72.487310][ T689] Call Trace: [ 72.490720][ T689] [ 72.493658][ T689] __dump_stack+0x21/0x30 [ 72.497998][ T689] dump_stack_lvl+0xee/0x150 [ 72.502696][ T689] ? show_regs_print_info+0x20/0x20 [ 72.508073][ T689] dump_stack+0x15/0x20 [ 72.512319][ T689] should_fail+0x3c1/0x510 [ 72.516758][ T689] __should_failslab+0xa4/0xe0 [ 72.521736][ T689] should_failslab+0x9/0x20 [ 72.526264][ T689] slab_pre_alloc_hook+0x3b/0xe0 [ 72.531218][ T689] ? anon_vma_fork+0xf2/0x510 [ 72.535996][ T689] kmem_cache_alloc+0x44/0x260 [ 72.540765][ T689] anon_vma_fork+0xf2/0x510 [ 72.545274][ T689] copy_mm+0x9d1/0x13a0 [ 72.549436][ T689] ? copy_signal+0x600/0x600 [ 72.554316][ T689] ? __init_rwsem+0xfc/0x1d0 [ 72.559087][ T689] ? copy_signal+0x4cb/0x600 [ 72.563691][ T689] copy_process+0x115c/0x3210 [ 72.568378][ T689] ? __kasan_check_write+0x14/0x20 [ 72.573495][ T689] ? __pidfd_prepare+0x150/0x150 [ 72.578628][ T689] ? security_file_permission+0x83/0xa0 [ 72.584265][ T689] kernel_clone+0x23f/0x940 [ 72.588775][ T689] ? create_io_thread+0x130/0x130 [ 72.593805][ T689] ? __kasan_check_write+0x14/0x20 [ 72.598929][ T689] ? mutex_unlock+0x89/0x220 [ 72.603550][ T689] __x64_sys_clone+0x176/0x1d0 [ 72.608409][ T689] ? __kasan_check_write+0x14/0x20 [ 72.613522][ T689] ? __ia32_sys_vfork+0xf0/0xf0 [ 72.618494][ T689] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 72.624696][ T689] x64_sys_call+0x41f/0x9a0 [ 72.629202][ T689] do_syscall_64+0x4c/0xa0 [ 72.633856][ T689] ? clear_bhb_loop+0x50/0xa0 [ 72.638537][ T689] ? clear_bhb_loop+0x50/0xa0 [ 72.643214][ T689] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 72.649206][ T689] RIP: 0033:0x7f25569a8ae9 [ 72.653631][ T689] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 72.673243][ T689] RSP: 002b:00007f255652b078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 72.681886][ T689] RAX: ffffffffffffffda RBX: 00007f2556ac7f80 RCX: 00007f25569a8ae9 [ 72.689881][ T689] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 72.697966][ T689] RBP: 00007f255652b120 R08: 0000000000000000 R09: 0000000000000000 2025/12/11 09:31:25 executed programs: 105 [ 72.705966][ T689] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 72.714139][ T689] R13: 000000000000000b R14: 00007f2556ac7f80 R15: 00007ffc572e2ed8 [ 72.722210][ T689] [ 72.727979][ T695] FAULT_INJECTION: forcing a failure. [ 72.727979][ T695] name failslab, interval 1, probability 0, space 0, times 0 [ 72.744305][ T695] CPU: 0 PID: 695 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 72.753383][ T695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 72.764298][ T695] Call Trace: [ 72.767590][ T695] [ 72.770527][ T695] __dump_stack+0x21/0x30 [ 72.774962][ T695] dump_stack_lvl+0xee/0x150 [ 72.779754][ T695] ? show_regs_print_info+0x20/0x20 [ 72.785090][ T695] dump_stack+0x15/0x20 [ 72.789612][ T695] should_fail+0x3c1/0x510 [ 72.794158][ T695] __should_failslab+0xa4/0xe0 [ 72.798927][ T695] should_failslab+0x9/0x20 [ 72.803438][ T695] slab_pre_alloc_hook+0x3b/0xe0 [ 72.808382][ T695] ? anon_vma_fork+0xf2/0x510 [ 72.813062][ T695] kmem_cache_alloc+0x44/0x260 [ 72.817921][ T695] anon_vma_fork+0xf2/0x510 [ 72.822429][ T695] copy_mm+0x9d1/0x13a0 [ 72.826725][ T695] ? copy_signal+0x600/0x600 [ 72.831411][ T695] ? __init_rwsem+0xfc/0x1d0 [ 72.836191][ T695] ? copy_signal+0x4cb/0x600 [ 72.840808][ T695] copy_process+0x115c/0x3210 [ 72.845508][ T695] ? __kasan_check_write+0x14/0x20 [ 72.850644][ T695] ? __pidfd_prepare+0x150/0x150 [ 72.855702][ T695] ? security_file_permission+0x83/0xa0 [ 72.861364][ T695] kernel_clone+0x23f/0x940 [ 72.865887][ T695] ? create_io_thread+0x130/0x130 [ 72.871024][ T695] ? __kasan_check_write+0x14/0x20 [ 72.876246][ T695] ? mutex_unlock+0x89/0x220 [ 72.880840][ T695] __x64_sys_clone+0x176/0x1d0 [ 72.886115][ T695] ? __kasan_check_write+0x14/0x20 [ 72.891264][ T695] ? __ia32_sys_vfork+0xf0/0xf0 [ 72.896220][ T695] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 72.902327][ T695] x64_sys_call+0x41f/0x9a0 [ 72.906862][ T695] do_syscall_64+0x4c/0xa0 [ 72.911302][ T695] ? clear_bhb_loop+0x50/0xa0 [ 72.915986][ T695] ? clear_bhb_loop+0x50/0xa0 [ 72.920774][ T695] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 72.926677][ T695] RIP: 0033:0x7ff46e262ae9 [ 72.931137][ T695] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 72.950943][ T695] RSP: 002b:00007ff46ddc4078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 72.959381][ T695] RAX: ffffffffffffffda RBX: 00007ff46e382050 RCX: 00007ff46e262ae9 [ 72.967445][ T695] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 72.975422][ T695] RBP: 00007ff46ddc4120 R08: 0000000000000000 R09: 0000000000000000 [ 72.983699][ T695] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 72.991864][ T695] R13: 000000000000006e R14: 00007ff46e382050 R15: 00007ffd8c3b1f78 [ 72.999850][ T695] [ 73.003327][ T692] CPU: 1 PID: 692 Comm: syz-executor.1 Tainted: G W syzkaller #0 [ 73.006420][ T698] FAULT_INJECTION: forcing a failure. [ 73.006420][ T698] name failslab, interval 1, probability 0, space 0, times 0 [ 73.012587][ T692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 73.012604][ T692] Call Trace: [ 73.012610][ T692] [ 73.012618][ T692] __dump_stack+0x21/0x30 [ 73.046856][ T692] dump_stack_lvl+0xee/0x150 [ 73.051654][ T692] ? show_regs_print_info+0x20/0x20 [ 73.056929][ T692] dump_stack+0x15/0x20 [ 73.061097][ T692] should_fail+0x3c1/0x510 [ 73.065521][ T692] should_fail_alloc_page+0x55/0x80 [ 73.070959][ T692] prepare_alloc_pages+0x156/0x600 [ 73.076098][ T692] ? __alloc_pages_bulk+0xab0/0xab0 [ 73.081301][ T692] ? __kasan_check_write+0x14/0x20 [ 73.086426][ T692] ? add_mm_rss_vec+0x209/0x220 [ 73.091326][ T692] __alloc_pages+0x10a/0x440 [ 73.095986][ T692] ? prep_new_page+0x110/0x110 [ 73.100788][ T692] ? avc_has_perm_noaudit+0x2f4/0x460 [ 73.106305][ T692] new_slab+0xa1/0x4d0 [ 73.110409][ T692] ___slab_alloc+0x381/0x810 [ 73.115285][ T692] ? vm_area_dup+0x26/0x210 [ 73.119817][ T692] ? vm_area_dup+0x26/0x210 [ 73.124440][ T692] __slab_alloc+0x49/0x90 [ 73.129074][ T692] ? vm_area_dup+0x26/0x210 [ 73.133593][ T692] kmem_cache_alloc+0x138/0x260 [ 73.138455][ T692] vm_area_dup+0x26/0x210 [ 73.142791][ T692] copy_mm+0x93a/0x13a0 [ 73.146956][ T692] ? copy_signal+0x600/0x600 [ 73.151570][ T692] ? __init_rwsem+0xfc/0x1d0 [ 73.156171][ T692] ? copy_signal+0x4cb/0x600 [ 73.160770][ T692] copy_process+0x115c/0x3210 [ 73.165478][ T692] ? __kasan_check_write+0x14/0x20 [ 73.170598][ T692] ? __pidfd_prepare+0x150/0x150 [ 73.175669][ T692] ? security_file_permission+0x83/0xa0 [ 73.181248][ T692] kernel_clone+0x23f/0x940 [ 73.185773][ T692] ? create_io_thread+0x130/0x130 [ 73.191023][ T692] ? __kasan_check_write+0x14/0x20 [ 73.196369][ T692] ? mutex_unlock+0x89/0x220 [ 73.200980][ T692] __x64_sys_clone+0x176/0x1d0 [ 73.205755][ T692] ? __kasan_check_write+0x14/0x20 [ 73.211145][ T692] ? __ia32_sys_vfork+0xf0/0xf0 [ 73.216182][ T692] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 73.222265][ T692] x64_sys_call+0x41f/0x9a0 [ 73.227013][ T692] do_syscall_64+0x4c/0xa0 [ 73.231804][ T692] ? clear_bhb_loop+0x50/0xa0 [ 73.236584][ T692] ? clear_bhb_loop+0x50/0xa0 [ 73.241268][ T692] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 73.247369][ T692] RIP: 0033:0x7fe31a2afae9 [ 73.252000][ T692] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 73.272126][ T692] RSP: 002b:00007fe319e32078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 73.280835][ T692] RAX: ffffffffffffffda RBX: 00007fe31a3cef80 RCX: 00007fe31a2afae9 [ 73.289127][ T692] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 73.297281][ T692] RBP: 00007fe319e32120 R08: 0000000000000000 R09: 0000000000000000 [ 73.305359][ T692] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 73.313655][ T692] R13: 000000000000000b R14: 00007fe31a3cef80 R15: 00007ffdb5f74a38 [ 73.321652][ T692] [ 73.327569][ T698] CPU: 0 PID: 698 Comm: syz-executor.5 Tainted: G W syzkaller #0 [ 73.336750][ T698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 73.346826][ T698] Call Trace: [ 73.350202][ T698] [ 73.353156][ T698] __dump_stack+0x21/0x30 [ 73.357625][ T698] dump_stack_lvl+0xee/0x150 [ 73.362697][ T698] ? show_regs_print_info+0x20/0x20 [ 73.367939][ T698] dump_stack+0x15/0x20 [ 73.372099][ T698] should_fail+0x3c1/0x510 [ 73.376583][ T698] __should_failslab+0xa4/0xe0 [ 73.381371][ T698] should_failslab+0x9/0x20 [ 73.385898][ T698] slab_pre_alloc_hook+0x3b/0xe0 [ 73.390845][ T698] ? anon_vma_clone+0xc0/0x500 [ 73.395616][ T698] kmem_cache_alloc+0x44/0x260 [ 73.400649][ T698] anon_vma_clone+0xc0/0x500 [ 73.405271][ T698] anon_vma_fork+0x8c/0x510 [ 73.409781][ T698] copy_mm+0x9d1/0x13a0 [ 73.413939][ T698] ? copy_signal+0x600/0x600 [ 73.418622][ T698] ? __init_rwsem+0xfc/0x1d0 [ 73.423394][ T698] ? copy_signal+0x4cb/0x600 [ 73.428179][ T698] copy_process+0x115c/0x3210 [ 73.433066][ T698] ? __kasan_check_write+0x14/0x20 [ 73.438202][ T698] ? __pidfd_prepare+0x150/0x150 [ 73.443152][ T698] ? security_file_permission+0x83/0xa0 [ 73.448981][ T698] kernel_clone+0x23f/0x940 [ 73.453601][ T698] ? create_io_thread+0x130/0x130 [ 73.458736][ T698] ? __kasan_check_write+0x14/0x20 [ 73.463938][ T698] ? mutex_unlock+0x89/0x220 [ 73.468553][ T698] __x64_sys_clone+0x176/0x1d0 [ 73.473425][ T698] ? __kasan_check_write+0x14/0x20 [ 73.478565][ T698] ? __ia32_sys_vfork+0xf0/0xf0 [ 73.483537][ T698] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 73.489702][ T698] x64_sys_call+0x41f/0x9a0 [ 73.494408][ T698] do_syscall_64+0x4c/0xa0 [ 73.498837][ T698] ? clear_bhb_loop+0x50/0xa0 [ 73.503533][ T698] ? clear_bhb_loop+0x50/0xa0 [ 73.508299][ T698] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 73.514208][ T698] RIP: 0033:0x7fbf6e830ae9 [ 73.518824][ T698] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 73.538910][ T698] RSP: 002b:00007fbf6e392078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 73.547421][ T698] RAX: ffffffffffffffda RBX: 00007fbf6e950050 RCX: 00007fbf6e830ae9 [ 73.555432][ T698] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 73.563516][ T698] RBP: 00007fbf6e392120 R08: 0000000000000000 R09: 0000000000000000 [ 73.571504][ T698] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 73.579493][ T698] R13: 000000000000006e R14: 00007fbf6e950050 R15: 00007ffca52c22d8 [ 73.587564][ T698] [ 73.594259][ T704] FAULT_INJECTION: forcing a failure. [ 73.594259][ T704] name failslab, interval 1, probability 0, space 0, times 0 [ 73.618582][ T347] BUG: unable to handle page fault for address: ffffed180000000c [ 73.623198][ T704] CPU: 1 PID: 704 Comm: syz-executor.3 Tainted: G W syzkaller #0 [ 73.626440][ T347] #PF: supervisor read access in kernel mode [ 73.635473][ T704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 73.641448][ T347] #PF: error_code(0x0000) - not-present page [ 73.651510][ T704] Call Trace: [ 73.651519][ T704] [ 73.657493][ T347] PGD 23fff2067 [ 73.660767][ T704] __dump_stack+0x21/0x30 [ 73.663727][ T347] P4D 23fff2067 [ 73.667281][ T704] dump_stack_lvl+0xee/0x150 [ 73.671600][ T347] PUD 0 [ 73.675136][ T704] ? show_regs_print_info+0x20/0x20 [ 73.679711][ T347] [ 73.679719][ T347] Oops: 0000 [#1] PREEMPT SMP KASAN [ 73.682557][ T704] dump_stack+0x15/0x20 [ 73.688094][ T347] CPU: 0 PID: 347 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 73.690602][ T704] should_fail+0x3c1/0x510 [ 73.696018][ T347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 73.700255][ T704] __should_failslab+0xa4/0xe0 [ 73.709265][ T347] RIP: 0010:__rb_insert_augmented+0xa9/0x720 [ 73.713690][ T704] should_failslab+0x9/0x20 [ 73.723737][ T347] Code: 3a ff 49 8b 07 a8 01 0f 85 53 06 00 00 4c 89 65 c8 48 89 45 d0 4c 8d 70 08 4c 89 f3 48 c1 eb 03 48 b8 00 00 00 00 00 fc ff df <80> 3c 03 00 74 08 4c 89 f7 e8 49 9d 3a ff 4d 8b 26 4d 39 fc 74 34 [ 73.728513][ T704] slab_pre_alloc_hook+0x3b/0xe0 [ 73.734658][ T347] RSP: 0018:ffffc90000dbf8c0 EFLAGS: 00010a06 [ 73.739178][ T704] ? anon_vma_fork+0xf2/0x510 [ 73.759283][ T347] [ 73.759292][ T347] RAX: dffffc0000000000 RBX: 1ffff1180000000c RCX: dffffc0000000000 [ 73.764428][ T704] kmem_cache_alloc+0x44/0x260 [ 73.770675][ T347] RDX: ffffffff819b06e0 RSI: ffff8881119b3208 RDI: ffff888116952748 [ 73.775582][ T704] anon_vma_fork+0xf2/0x510 [ 73.778039][ T347] RBP: ffffc90000dbf920 R08: dffffc0000000000 R09: ffff888116952750 [ 73.786243][ T704] copy_mm+0x9d1/0x13a0 [ 73.791257][ T347] R10: ffffed1022d2a4ec R11: 1ffff11022d2a4ea R12: ffff888116952748 [ 73.799636][ T704] ? copy_signal+0x600/0x600 [ 73.804133][ T347] R13: 1ffff11021abeba2 R14: ffff88c000000060 R15: ffff88810d5f5d10 [ 73.812372][ T704] ? __init_rwsem+0xfc/0x1d0 [ 73.816515][ T347] FS: 000055557dd69480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 73.824767][ T704] ? copy_signal+0x4cb/0x600 [ 73.829446][ T347] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.837514][ T704] copy_process+0x115c/0x3210 [ 73.842211][ T347] CR2: ffffed180000000c CR3: 000000011ebbf000 CR4: 00000000003506b0 [ 73.851402][ T704] ? __kasan_check_write+0x14/0x20 [ 73.855995][ T347] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.862738][ T704] ? __pidfd_prepare+0x150/0x150 [ 73.867493][ T347] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.875940][ T704] ? security_file_permission+0x83/0xa0 [ 73.881158][ T347] Call Trace: [ 73.889222][ T704] kernel_clone+0x23f/0x940 [ 73.894173][ T347] [ 73.902138][ T704] ? create_io_thread+0x130/0x130 [ 73.907769][ T347] ? clear_nonspinnable+0x60/0x60 [ 73.911049][ T704] ? __kasan_check_write+0x14/0x20 [ 73.915540][ T347] ? anon_vma_interval_tree_iter_next+0x380/0x380 [ 73.918595][ T704] ? mutex_unlock+0x89/0x220 [ 73.923627][ T347] vma_interval_tree_insert_after+0x2a1/0x2b0 [ 73.928731][ T704] __x64_sys_clone+0x176/0x1d0 [ 73.933924][ T347] copy_mm+0xb20/0x13a0 [ 73.940445][ T704] ? __kasan_check_write+0x14/0x20 [ 73.945052][ T347] ? copy_signal+0x600/0x600 [ 73.951106][ T704] ? __ia32_sys_vfork+0xf0/0xf0 [ 73.955949][ T347] ? __init_rwsem+0xfc/0x1d0 [ 73.960198][ T704] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 73.965485][ T347] ? copy_signal+0x4cb/0x600 [ 73.970079][ T704] x64_sys_call+0x41f/0x9a0 [ 73.974974][ T347] copy_process+0x115c/0x3210 [ 73.979671][ T704] do_syscall_64+0x4c/0xa0 [ 73.985732][ T347] ? __pidfd_prepare+0x150/0x150 [ 73.990337][ T704] ? clear_bhb_loop+0x50/0xa0 [ 73.995034][ T347] kernel_clone+0x23f/0x940 [ 73.999704][ T704] ? clear_bhb_loop+0x50/0xa0 [ 74.004375][ T347] ? do_user_addr_fault+0xa64/0x1180 [ 74.009304][ T704] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 74.014154][ T347] ? create_io_thread+0x130/0x130 [ 74.019138][ T704] RIP: 0033:0x7f84a4323ae9 [ 74.023812][ T347] __x64_sys_clone+0x176/0x1d0 [ 74.029275][ T704] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 74.035418][ T347] ? __ia32_sys_vfork+0xf0/0xf0 [ 74.040435][ T704] RSP: 002b:00007f84a3e85078 EFLAGS: 00000246 [ 74.044881][ T347] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 74.049739][ T704] ORIG_RAX: 0000000000000038 [ 74.069522][ T347] x64_sys_call+0x41f/0x9a0 [ 74.074384][ T704] RAX: ffffffffffffffda RBX: 00007f84a4443050 RCX: 00007f84a4323ae9 [ 74.080626][ T347] do_syscall_64+0x4c/0xa0 [ 74.086684][ T704] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 74.091352][ T347] ? clear_bhb_loop+0x50/0xa0 [ 74.096054][ T704] RBP: 00007f84a3e85120 R08: 0000000000000000 R09: 0000000000000000 [ 74.104136][ T347] ? clear_bhb_loop+0x50/0xa0 [ 74.108800][ T704] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 74.116769][ T347] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 74.121477][ T704] R13: 000000000000006e R14: 00007f84a4443050 R15: 00007ffff34eefe8 [ 74.129602][ T347] RIP: 0033:0x7ff46e25fb13 [ 74.134375][ T704] [ 74.142713][ T347] Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00 [ 74.184019][ T347] RSP: 002b:00007ffd8c3b2188 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 74.192595][ T347] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff46e25fb13 [ 74.200940][ T347] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 74.209114][ T347] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 74.217094][ T347] R10: 000055557dd69750 R11: 0000000000000246 R12: 0000000000000001 [ 74.225409][ T347] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 74.233397][ T347] [ 74.236449][ T347] Modules linked in: [ 74.240412][ T347] CR2: ffffed180000000c [ 74.244590][ T347] ---[ end trace 6b2f8066c5f4704a ]--- [ 74.250135][ T347] RIP: 0010:__rb_insert_augmented+0xa9/0x720 [ 74.256389][ T347] Code: 3a ff 49 8b 07 a8 01 0f 85 53 06 00 00 4c 89 65 c8 48 89 45 d0 4c 8d 70 08 4c 89 f3 48 c1 eb 03 48 b8 00 00 00 00 00 fc ff df <80> 3c 03 00 74 08 4c 89 f7 e8 49 9d 3a ff 4d 8b 26 4d 39 fc 74 34 [ 74.276031][ T347] RSP: 0018:ffffc90000dbf8c0 EFLAGS: 00010a06 [ 74.282113][ T347] RAX: dffffc0000000000 RBX: 1ffff1180000000c RCX: dffffc0000000000 [ 74.290420][ T347] RDX: ffffffff819b06e0 RSI: ffff8881119b3208 RDI: ffff888116952748 [ 74.298615][ T347] RBP: ffffc90000dbf920 R08: dffffc0000000000 R09: ffff888116952750 [ 74.306678][ T347] R10: ffffed1022d2a4ec R11: 1ffff11022d2a4ea R12: ffff888116952748 [ 74.314798][ T347] R13: 1ffff11021abeba2 R14: ffff88c000000060 R15: ffff88810d5f5d10 [ 74.323098][ T347] FS: 000055557dd69480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 74.332224][ T347] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.338923][ T347] CR2: ffffed180000000c CR3: 000000011ebbf000 CR4: 00000000003506b0 [ 74.347004][ T347] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.355076][ T347] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.363053][ T347] Kernel panic - not syncing: Fatal exception [ 74.369393][ T347] Kernel Offset: disabled [ 74.373817][ T347] Rebooting in 86400 seconds..