10/0x10 [ 280.004516][ T7342] ? __fget_files+0x2a/0x420 [ 280.004566][ T7342] ? __fget_files+0x3a2/0x420 [ 280.004597][ T7342] ? __fget_files+0x2a/0x420 [ 280.004638][ T7342] ksys_read+0x150/0x270 [ 280.004674][ T7342] ? __pfx_ksys_read+0x10/0x10 [ 280.004719][ T7342] do_syscall_64+0x166/0x520 [ 280.004751][ T7342] ? trace_irq_disable+0x3b/0x140 [ 280.004774][ T7342] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 280.004799][ T7342] ? clear_bhb_loop+0x70/0xc0 [ 280.004825][ T7342] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 280.004848][ T7342] RIP: 0033:0x7f85f6b5ac0e [ 280.004869][ T7342] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 280.004888][ T7342] RSP: 002b:00007f85f7a5afe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 280.004912][ T7342] RAX: ffffffffffffffda RBX: 00007f85f7a5b6c0 RCX: 00007f85f6b5ac0e [ 280.004928][ T7342] RDX: 000000000000000f RSI: 00007f85f7a5b0a0 RDI: 0000000000000003 [ 280.004943][ T7342] RBP: 00007f85f7a5b090 R08: 0000000000000000 R09: 0000000000000000 [ 280.004958][ T7342] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 280.004972][ T7342] R13: 00007f85f6dd6128 R14: 00007f85f6dd6090 R15: 00007ffeb91e4de8 [ 280.005007][ T7342] [ 280.240861][ T7347] FAULT_INJECTION: forcing a failure. [ 280.240861][ T7347] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 280.240971][ T7347] CPU: 0 UID: 0 PID: 7347 Comm: syz.0.281 Not tainted syzkaller #0 PREEMPT(full) [ 280.241037][ T7347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 280.241080][ T7347] Call Trace: [ 280.241103][ T7347] [ 280.241135][ T7347] dump_stack_lvl+0xe8/0x150 [ 280.241234][ T7347] should_fail_ex+0x410/0x560 [ 280.241329][ T7347] _copy_to_user+0x31/0xb0 [ 280.241408][ T7347] simple_read_from_buffer+0xe1/0x170 [ 280.241564][ T7347] proc_fail_nth_read+0x1bb/0x230 [ 280.241620][ T7347] ? common_file_perm+0x20e/0x2b0 [ 280.241849][ T7347] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 280.242168][ T7347] ? rw_verify_area+0x24a/0x4c0 [ 280.242301][ T7347] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 280.242387][ T7347] vfs_read+0x213/0xa80 [ 280.242547][ T7347] ? __pfx___mutex_lock+0x10/0x10 [ 280.242648][ T7347] ? __pfx_vfs_read+0x10/0x10 [ 280.242768][ T7347] ? __fget_files+0x2a/0x420 [ 280.242880][ T7347] ? __fget_files+0x3a2/0x420 [ 280.242960][ T7347] ? __fget_files+0x2a/0x420 [ 280.243067][ T7347] ksys_read+0x150/0x270 [ 280.243182][ T7347] ? __pfx_ksys_read+0x10/0x10 [ 280.243335][ T7347] do_syscall_64+0x166/0x520 [ 280.243431][ T7347] ? trace_irq_disable+0x3b/0x140 [ 280.243502][ T7347] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 280.243569][ T7347] ? clear_bhb_loop+0x70/0xc0 [ 280.243652][ T7347] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 280.243718][ T7347] RIP: 0033:0x7f98d0d5ac0e [ 280.243792][ T7347] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 280.243847][ T7347] RSP: 002b:00007f98d03dcfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 280.243915][ T7347] RAX: ffffffffffffffda RBX: 00007f98d03dd6c0 RCX: 00007f98d0d5ac0e [ 280.243968][ T7347] RDX: 000000000000000f RSI: 00007f98d03dd0a0 RDI: 0000000000000003 [ 280.244021][ T7347] RBP: 00007f98d03dd090 R08: 0000000000000000 R09: 0000000000000000 [ 280.244063][ T7347] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 280.244098][ T7347] R13: 00007f98d0fd6128 R14: 00007f98d0fd6090 R15: 00007ffc50f6fdd8 [ 280.244189][ T7347] [ 280.444334][ T7351] FAULT_INJECTION: forcing a failure. [ 280.444334][ T7351] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 280.444370][ T7351] CPU: 0 UID: 0 PID: 7351 Comm: syz.1.282 Not tainted syzkaller #0 PREEMPT(full) [ 280.444396][ T7351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 280.444410][ T7351] Call Trace: [ 280.444420][ T7351] [ 280.444430][ T7351] dump_stack_lvl+0xe8/0x150 [ 280.444467][ T7351] should_fail_ex+0x410/0x560 [ 280.444499][ T7351] _copy_to_user+0x31/0xb0 [ 280.444530][ T7351] simple_read_from_buffer+0xe1/0x170 [ 280.444567][ T7351] proc_fail_nth_read+0x1bb/0x230 [ 280.444588][ T7351] ? common_file_perm+0x20e/0x2b0 [ 280.444621][ T7351] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 280.444648][ T7351] ? rw_verify_area+0x24a/0x4c0 [ 280.444684][ T7351] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 280.444706][ T7351] vfs_read+0x213/0xa80 [ 280.444759][ T7351] ? __pfx___mutex_lock+0x10/0x10 [ 280.444793][ T7351] ? __pfx_vfs_read+0x10/0x10 [ 280.444827][ T7351] ? __fget_files+0x2a/0x420 [ 280.444861][ T7351] ? __fget_files+0x3a2/0x420 [ 280.444891][ T7351] ? __fget_files+0x2a/0x420 [ 280.444930][ T7351] ksys_read+0x150/0x270 [ 280.444975][ T7351] ? __pfx_ksys_read+0x10/0x10 [ 280.445027][ T7351] do_syscall_64+0x166/0x520 [ 280.445058][ T7351] ? trace_irq_disable+0x3b/0x140 [ 280.445081][ T7351] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 280.445105][ T7351] ? clear_bhb_loop+0x70/0xc0 [ 280.445134][ T7351] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 280.445293][ T7351] RIP: 0033:0x7fab4895ac0e [ 280.445481][ T7351] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 280.445507][ T7351] RSP: 002b:00007fab47ffdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 280.445533][ T7351] RAX: ffffffffffffffda RBX: 00007fab47ffe6c0 RCX: 00007fab4895ac0e [ 280.445616][ T7351] RDX: 000000000000000f RSI: 00007fab47ffe0a0 RDI: 0000000000000003 [ 280.445631][ T7351] RBP: 00007fab47ffe090 R08: 0000000000000000 R09: 0000000000000000 [ 280.445645][ T7351] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 280.445658][ T7351] R13: 00007fab48bd6128 R14: 00007fab48bd6090 R15: 00007ffc3d691b18 [ 280.445695][ T7351] [ 280.477784][ T7352] FAULT_INJECTION: forcing a failure. [ 280.477784][ T7352] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 280.477866][ T7352] CPU: 1 UID: 0 PID: 7352 Comm: syz.2.283 Not tainted syzkaller #0 PREEMPT(full) [ 280.477896][ T7352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 280.477913][ T7352] Call Trace: [ 280.477923][ T7352] [ 280.477935][ T7352] dump_stack_lvl+0xe8/0x150 [ 280.477976][ T7352] should_fail_ex+0x410/0x560 [ 280.478014][ T7352] _copy_to_user+0x31/0xb0 [ 280.478050][ T7352] simple_read_from_buffer+0xe1/0x170 [ 280.478092][ T7352] proc_fail_nth_read+0x1bb/0x230 [ 280.478116][ T7352] ? common_file_perm+0x20e/0x2b0 [ 280.478166][ T7352] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 280.478196][ T7352] ? rw_verify_area+0x24a/0x4c0 [ 280.478236][ T7352] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 280.478262][ T7352] vfs_read+0x213/0xa80 [ 280.478312][ T7352] ? __pfx_vfs_read+0x10/0x10 [ 280.478387][ T7352] ? irqentry_exit+0x218/0x910 [ 280.478499][ T7352] ? trace_irq_disable+0x3b/0x140 [ 280.478645][ T7352] ksys_read+0x150/0x270 [ 280.478757][ T7352] ? __pfx_ksys_read+0x10/0x10 [ 280.478910][ T7352] do_syscall_64+0x166/0x520 [ 280.478983][ T7352] ? trace_irq_disable+0x3b/0x140 [ 280.479048][ T7352] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 280.479143][ T7352] ? clear_bhb_loop+0x70/0xc0 [ 280.479235][ T7352] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 280.479298][ T7352] RIP: 0033:0x7f334635ac0e [ 280.479559][ T7352] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 280.479614][ T7352] RSP: 002b:00007f3347155fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 280.479680][ T7352] RAX: ffffffffffffffda RBX: 00007f33471566c0 RCX: 00007f334635ac0e [ 280.479726][ T7352] RDX: 000000000000000f RSI: 00007f33471560a0 RDI: 0000000000000003 [ 280.479771][ T7352] RBP: 00007f3347156090 R08: 0000000000000000 R09: 0000000000000000 [ 280.479806][ T7352] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 280.479834][ T7352] R13: 00007f33465d6128 R14: 00007f33465d6090 R15: 00007ffedbd5ef18 [ 280.479865][ T7352] [ 281.193600][ T7356] FAULT_INJECTION: forcing a failure. [ 281.193600][ T7356] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 281.193639][ T7356] CPU: 0 UID: 0 PID: 7356 Comm: syz.4.284 Not tainted syzkaller #0 PREEMPT(full) [ 281.193665][ T7356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 281.193679][ T7356] Call Trace: [ 281.193689][ T7356] [ 281.193699][ T7356] dump_stack_lvl+0xe8/0x150 [ 281.193737][ T7356] should_fail_ex+0x410/0x560 [ 281.193768][ T7356] _copy_to_user+0x31/0xb0 [ 281.193800][ T7356] simple_read_from_buffer+0xe1/0x170 [ 281.193837][ T7356] proc_fail_nth_read+0x1bb/0x230 [ 281.193859][ T7356] ? common_file_perm+0x20e/0x2b0 [ 281.193891][ T7356] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 281.193917][ T7356] ? rw_verify_area+0x24a/0x4c0 [ 281.193952][ T7356] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 281.193975][ T7356] vfs_read+0x213/0xa80 [ 281.194013][ T7356] ? __pfx___mutex_lock+0x10/0x10 [ 281.194047][ T7356] ? __pfx_vfs_read+0x10/0x10 [ 281.194082][ T7356] ? __fget_files+0x2a/0x420 [ 281.194117][ T7356] ? __fget_files+0x3a2/0x420 [ 281.194147][ T7356] ? __fget_files+0x2a/0x420 [ 281.194187][ T7356] ksys_read+0x150/0x270 [ 281.194240][ T7356] ? __pfx_ksys_read+0x10/0x10 [ 281.194288][ T7356] do_syscall_64+0x166/0x520 [ 281.194320][ T7356] ? trace_irq_disable+0x3b/0x140 [ 281.194343][ T7356] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 281.194368][ T7356] ? clear_bhb_loop+0x70/0xc0 [ 281.194397][ T7356] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 281.194422][ T7356] RIP: 0033:0x7f376db5ac0e [ 281.194445][ T7356] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 281.194466][ T7356] RSP: 002b:00007f376e98ffe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 281.194491][ T7356] RAX: ffffffffffffffda RBX: 00007f376e9906c0 RCX: 00007f376db5ac0e [ 281.194514][ T7356] RDX: 000000000000000f RSI: 00007f376e9900a0 RDI: 0000000000000003 [ 281.194529][ T7356] RBP: 00007f376e990090 R08: 0000000000000000 R09: 0000000000000000 [ 281.194544][ T7356] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 281.194559][ T7356] R13: 00007f376ddd6128 R14: 00007f376ddd6090 R15: 00007ffc7f6ab4a8 [ 281.194596][ T7356] [ 281.620989][ T7359] FAULT_INJECTION: forcing a failure. [ 281.620989][ T7359] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 281.621026][ T7359] CPU: 1 UID: 0 PID: 7359 Comm: syz.3.285 Not tainted syzkaller #0 PREEMPT(full) [ 281.621053][ T7359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 281.621067][ T7359] Call Trace: [ 281.621077][ T7359] [ 281.621087][ T7359] dump_stack_lvl+0xe8/0x150 [ 281.621124][ T7359] should_fail_ex+0x410/0x560 [ 281.621164][ T7359] _copy_to_user+0x31/0xb0 [ 281.621202][ T7359] simple_read_from_buffer+0xe1/0x170 [ 281.621243][ T7359] proc_fail_nth_read+0x1bb/0x230 [ 281.621267][ T7359] ? common_file_perm+0x20e/0x2b0 [ 281.621299][ T7359] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 281.621327][ T7359] ? rw_verify_area+0x24a/0x4c0 [ 281.621362][ T7359] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 281.621385][ T7359] vfs_read+0x213/0xa80 [ 281.621425][ T7359] ? __pfx___mutex_lock+0x10/0x10 [ 281.621461][ T7359] ? __pfx_vfs_read+0x10/0x10 [ 281.621498][ T7359] ? __fget_files+0x2a/0x420 [ 281.621535][ T7359] ? __fget_files+0x3a2/0x420 [ 281.621566][ T7359] ? __fget_files+0x2a/0x420 [ 281.621612][ T7359] ksys_read+0x150/0x270 [ 281.621648][ T7359] ? __pfx_ksys_read+0x10/0x10 [ 281.621789][ T7359] do_syscall_64+0x166/0x520 [ 281.621830][ T7359] ? trace_irq_disable+0x3b/0x140 [ 281.621852][ T7359] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 281.621875][ T7359] ? clear_bhb_loop+0x70/0xc0 [ 281.621900][ T7359] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 281.621921][ T7359] RIP: 0033:0x7f85f6b5ac0e [ 281.621941][ T7359] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 281.621959][ T7359] RSP: 002b:00007f85f7a5afe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 281.621983][ T7359] RAX: ffffffffffffffda RBX: 00007f85f7a5b6c0 RCX: 00007f85f6b5ac0e [ 281.622000][ T7359] RDX: 000000000000000f RSI: 00007f85f7a5b0a0 RDI: 0000000000000003 [ 281.622015][ T7359] RBP: 00007f85f7a5b090 R08: 0000000000000000 R09: 0000000000000000 [ 281.622028][ T7359] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 281.622041][ T7359] R13: 00007f85f6dd6128 R14: 00007f85f6dd6090 R15: 00007ffeb91e4de8 [ 281.622078][ T7359] [ 281.891077][ T7366] FAULT_INJECTION: forcing a failure. [ 281.891077][ T7366] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 281.891205][ T7366] CPU: 1 UID: 0 PID: 7366 Comm: syz.2.286 Not tainted syzkaller #0 PREEMPT(full) [ 281.891296][ T7366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 281.891344][ T7366] Call Trace: [ 281.891378][ T7366] [ 281.891406][ T7366] dump_stack_lvl+0xe8/0x150 [ 281.891524][ T7366] should_fail_ex+0x410/0x560 [ 281.891605][ T7366] _copy_to_user+0x31/0xb0 [ 281.891703][ T7366] simple_read_from_buffer+0xe1/0x170 [ 281.891828][ T7366] proc_fail_nth_read+0x1bb/0x230 [ 281.891901][ T7366] ? common_file_perm+0x20e/0x2b0 [ 281.892044][ T7366] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 281.892131][ T7366] ? rw_verify_area+0x24a/0x4c0 [ 281.892243][ T7366] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 281.892321][ T7366] vfs_read+0x213/0xa80 [ 281.892451][ T7366] ? __pfx___mutex_lock+0x10/0x10 [ 281.892601][ T7366] ? __pfx_vfs_read+0x10/0x10 [ 281.892711][ T7366] ? __fget_files+0x2a/0x420 [ 281.892830][ T7366] ? __fget_files+0x3a2/0x420 [ 281.892937][ T7366] ? __fget_files+0x2a/0x420 [ 281.893059][ T7366] ksys_read+0x150/0x270 [ 281.893178][ T7366] ? __pfx_ksys_read+0x10/0x10 [ 281.893505][ T7366] do_syscall_64+0x166/0x520 [ 281.893637][ T7366] ? trace_irq_disable+0x3b/0x140 [ 281.893703][ T7366] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 281.893790][ T7366] ? clear_bhb_loop+0x70/0xc0 [ 281.893867][ T7366] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 281.893939][ T7366] RIP: 0033:0x7f334635ac0e [ 281.894007][ T7366] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 281.894052][ T7366] RSP: 002b:00007f3347155fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 281.894074][ T7366] RAX: ffffffffffffffda RBX: 00007f33471566c0 RCX: 00007f334635ac0e [ 281.894088][ T7366] RDX: 000000000000000f RSI: 00007f33471560a0 RDI: 0000000000000003 [ 281.894101][ T7366] RBP: 00007f3347156090 R08: 0000000000000000 R09: 0000000000000000 [ 281.894113][ T7366] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 281.894124][ T7366] R13: 00007f33465d6128 R14: 00007f33465d6090 R15: 00007ffedbd5ef18 [ 281.894350][ T7366] [ 281.939851][ T7367] FAULT_INJECTION: forcing a failure. [ 281.939851][ T7367] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 281.939991][ T7367] CPU: 1 UID: 0 PID: 7367 Comm: syz.1.288 Not tainted syzkaller #0 PREEMPT(full) [ 281.940065][ T7367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 281.940115][ T7367] Call Trace: [ 281.940146][ T7367] [ 281.940195][ T7367] dump_stack_lvl+0xe8/0x150 [ 281.940304][ T7367] should_fail_ex+0x410/0x560 [ 281.940408][ T7367] _copy_to_user+0x31/0xb0 [ 281.940500][ T7367] simple_read_from_buffer+0xe1/0x170 [ 281.940598][ T7367] proc_fail_nth_read+0x1bb/0x230 [ 281.940664][ T7367] ? common_file_perm+0x20e/0x2b0 [ 281.940766][ T7367] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 281.940834][ T7367] ? rw_verify_area+0x24a/0x4c0 [ 281.941191][ T7367] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 281.941265][ T7367] vfs_read+0x213/0xa80 [ 281.941495][ T7367] ? __pfx___mutex_lock+0x10/0x10 [ 281.941605][ T7367] ? __pfx_vfs_read+0x10/0x10 [ 281.941715][ T7367] ? __fget_files+0x2a/0x420 [ 281.941835][ T7367] ? __fget_files+0x3a2/0x420 [ 281.941946][ T7367] ? __fget_files+0x2a/0x420 [ 281.942059][ T7367] ksys_read+0x150/0x270 [ 281.942170][ T7367] ? __pfx_ksys_read+0x10/0x10 [ 281.942303][ T7367] do_syscall_64+0x166/0x520 [ 281.942407][ T7367] ? trace_irq_disable+0x3b/0x140 [ 281.942481][ T7367] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 281.942546][ T7367] ? clear_bhb_loop+0x70/0xc0 [ 281.942655][ T7367] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 281.942730][ T7367] RIP: 0033:0x7fab4895ac0e [ 281.942813][ T7367] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 281.943074][ T7367] RSP: 002b:00007fab47ffdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 281.943174][ T7367] RAX: ffffffffffffffda RBX: 00007fab47ffe6c0 RCX: 00007fab4895ac0e [ 281.943224][ T7367] RDX: 000000000000000f RSI: 00007fab47ffe0a0 RDI: 0000000000000003 [ 281.943267][ T7367] RBP: 00007fab47ffe090 R08: 0000000000000000 R09: 0000000000000000 [ 281.943324][ T7367] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 281.943360][ T7367] R13: 00007fab48bd6128 R14: 00007fab48bd6090 R15: 00007ffc3d691b18 [ 281.943479][ T7367] [ 282.310379][ T7364] FAULT_INJECTION: forcing a failure. [ 282.310379][ T7364] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 282.310484][ T7364] CPU: 1 UID: 0 PID: 7364 Comm: syz.0.287 Not tainted syzkaller #0 PREEMPT(full) [ 282.310551][ T7364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 282.310593][ T7364] Call Trace: [ 282.310617][ T7364] [ 282.310641][ T7364] dump_stack_lvl+0xe8/0x150 [ 282.310740][ T7364] should_fail_ex+0x410/0x560 [ 282.310846][ T7364] _copy_to_user+0x31/0xb0 [ 282.310933][ T7364] simple_read_from_buffer+0xe1/0x170 [ 282.311019][ T7364] proc_fail_nth_read+0x1bb/0x230 [ 282.311120][ T7364] ? common_file_perm+0x20e/0x2b0 [ 282.311200][ T7364] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 282.311266][ T7364] ? rw_verify_area+0x24a/0x4c0 [ 282.311386][ T7364] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 282.311450][ T7364] vfs_read+0x213/0xa80 [ 282.311572][ T7364] ? __pfx___mutex_lock+0x10/0x10 [ 282.311669][ T7364] ? __pfx_vfs_read+0x10/0x10 [ 282.311771][ T7364] ? __fget_files+0x2a/0x420 [ 282.311879][ T7364] ? __fget_files+0x3a2/0x420 [ 282.311957][ T7364] ? __fget_files+0x2a/0x420 [ 282.312072][ T7364] ksys_read+0x150/0x270 [ 282.312166][ T7364] ? __pfx_ksys_read+0x10/0x10 [ 282.312288][ T7364] do_syscall_64+0x166/0x520 [ 282.312399][ T7364] ? trace_irq_disable+0x3b/0x140 [ 282.312464][ T7364] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 282.312531][ T7364] ? clear_bhb_loop+0x70/0xc0 [ 282.312596][ T7364] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 282.312644][ T7364] RIP: 0033:0x7f98d0d5ac0e [ 282.312715][ T7364] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 282.312778][ T7364] RSP: 002b:00007f98d03fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 282.312862][ T7364] RAX: ffffffffffffffda RBX: 00007f98d03fe6c0 RCX: 00007f98d0d5ac0e [ 282.312906][ T7364] RDX: 000000000000000f RSI: 00007f98d03fe0a0 RDI: 0000000000000005 [ 282.312949][ T7364] RBP: 00007f98d03fe090 R08: 0000000000000000 R09: 0000000000000000 [ 282.312992][ T7364] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 282.313032][ T7364] R13: 00007f98d0fd6038 R14: 00007f98d0fd5fa0 R15: 00007ffc50f6fdd8 [ 282.313122][ T7364] [ 282.842834][ T7372] FAULT_INJECTION: forcing a failure. [ 282.842834][ T7372] name failslab, interval 1, probability 0, space 0, times 0 [ 282.842875][ T7372] CPU: 1 UID: 0 PID: 7372 Comm: syz.4.289 Not tainted syzkaller #0 PREEMPT(full) [ 282.842901][ T7372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 282.842916][ T7372] Call Trace: [ 282.842926][ T7372] [ 282.842936][ T7372] dump_stack_lvl+0xe8/0x150 [ 282.842973][ T7372] should_fail_ex+0x410/0x560 [ 282.843007][ T7372] should_failslab+0xa8/0x100 [ 282.843035][ T7372] ? security_file_alloc+0x34/0x310 [ 282.843059][ T7372] kmem_cache_alloc_noprof+0xa1/0x600 [ 282.843094][ T7372] ? rcu_is_watching+0x16/0xb0 [ 282.843122][ T7372] ? security_file_alloc+0x34/0x310 [ 282.843153][ T7372] security_file_alloc+0x34/0x310 [ 282.843225][ T7372] init_file+0x90/0x2b0 [ 282.843263][ T7372] alloc_empty_file+0x74/0x1d0 [ 282.843293][ T7372] alloc_file_pseudo+0x115/0x1e0 [ 282.843325][ T7372] ? __pfx_alloc_file_pseudo+0x10/0x10 [ 282.843367][ T7372] anon_inode_getfd+0xc8/0x1f0 [ 282.843400][ T7372] bpf_enable_stats+0xdc/0x140 [ 282.843429][ T7372] __sys_bpf+0xb34/0xd90 [ 282.843465][ T7372] ? __pfx___sys_bpf+0x10/0x10 [ 282.843504][ T7372] ? __fget_files+0x2a/0x420 [ 282.843555][ T7372] ? ksys_write+0x242/0x270 [ 282.843596][ T7372] ? __pfx_ksys_write+0x10/0x10 [ 282.843637][ T7372] __x64_sys_bpf+0xba/0xd0 [ 282.843663][ T7372] do_syscall_64+0x166/0x520 [ 282.843696][ T7372] ? trace_irq_disable+0x3b/0x140 [ 282.843719][ T7372] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 282.843742][ T7372] ? clear_bhb_loop+0x70/0xc0 [ 282.843771][ T7372] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 282.843794][ T7372] RIP: 0033:0x7f376db9a339 [ 282.843817][ T7372] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 282.843838][ T7372] RSP: 002b:00007f376e990028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 282.843863][ T7372] RAX: ffffffffffffffda RBX: 00007f376ddd6090 RCX: 00007f376db9a339 [ 282.843881][ T7372] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 282.843896][ T7372] RBP: 00007f376e990090 R08: 0000000000000000 R09: 0000000000000000 [ 282.843912][ T7372] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 282.843926][ T7372] R13: 00007f376ddd6128 R14: 00007f376ddd6090 R15: 00007ffc7f6ab4a8 [ 282.843963][ T7372] [ 283.154639][ T7376] FAULT_INJECTION: forcing a failure. [ 283.154639][ T7376] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 283.154681][ T7376] CPU: 1 UID: 0 PID: 7376 Comm: syz.2.291 Not tainted syzkaller #0 PREEMPT(full) [ 283.154711][ T7376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 283.154728][ T7376] Call Trace: [ 283.154740][ T7376] [ 283.154752][ T7376] dump_stack_lvl+0xe8/0x150 [ 283.154792][ T7376] should_fail_ex+0x410/0x560 [ 283.154830][ T7376] _copy_to_user+0x31/0xb0 [ 283.154868][ T7376] simple_read_from_buffer+0xe1/0x170 [ 283.154912][ T7376] proc_fail_nth_read+0x1bb/0x230 [ 283.154935][ T7376] ? common_file_perm+0x20e/0x2b0 [ 283.154972][ T7376] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 283.155008][ T7376] ? rw_verify_area+0x24a/0x4c0 [ 283.155048][ T7376] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 283.155077][ T7376] vfs_read+0x213/0xa80 [ 283.155123][ T7376] ? __pfx___mutex_lock+0x10/0x10 [ 283.155162][ T7376] ? __pfx_vfs_read+0x10/0x10 [ 283.155201][ T7376] ? __fget_files+0x2a/0x420 [ 283.155242][ T7376] ? __fget_files+0x3a2/0x420 [ 283.155276][ T7376] ? __fget_files+0x2a/0x420 [ 283.155322][ T7376] ksys_read+0x150/0x270 [ 283.155363][ T7376] ? __pfx_ksys_read+0x10/0x10 [ 283.155414][ T7376] do_syscall_64+0x166/0x520 [ 283.155452][ T7376] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 283.155478][ T7376] ? clear_bhb_loop+0x70/0xc0 [ 283.155510][ T7376] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 283.155536][ T7376] RIP: 0033:0x7f334635ac0e [ 283.155560][ T7376] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 283.155592][ T7376] RSP: 002b:00007f3347155fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 283.155621][ T7376] RAX: ffffffffffffffda RBX: 00007f33471566c0 RCX: 00007f334635ac0e [ 283.155641][ T7376] RDX: 000000000000000f RSI: 00007f33471560a0 RDI: 0000000000000003 [ 283.155659][ T7376] RBP: 00007f3347156090 R08: 0000000000000000 R09: 0000000000000000 [ 283.155675][ T7376] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 283.155692][ T7376] R13: 00007f33465d6128 R14: 00007f33465d6090 R15: 00007ffedbd5ef18 [ 283.155735][ T7376] [ 283.215302][ T7377] FAULT_INJECTION: forcing a failure. [ 283.215302][ T7377] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 283.215342][ T7377] CPU: 0 UID: 0 PID: 7377 Comm: syz.3.290 Not tainted syzkaller #0 PREEMPT(full) [ 283.215371][ T7377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 283.215387][ T7377] Call Trace: [ 283.215397][ T7377] [ 283.215408][ T7377] dump_stack_lvl+0xe8/0x150 [ 283.215511][ T7377] should_fail_ex+0x410/0x560 [ 283.215901][ T7377] _copy_to_user+0x31/0xb0 [ 283.216018][ T7377] simple_read_from_buffer+0xe1/0x170 [ 283.216121][ T7377] proc_fail_nth_read+0x1bb/0x230 [ 283.216193][ T7377] ? common_file_perm+0x20e/0x2b0 [ 283.216280][ T7377] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 283.216357][ T7377] ? rw_verify_area+0x24a/0x4c0 [ 283.216441][ T7377] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 283.216499][ T7377] vfs_read+0x213/0xa80 [ 283.216638][ T7377] ? __pfx___mutex_lock+0x10/0x10 [ 283.216769][ T7377] ? __pfx_vfs_read+0x10/0x10 [ 283.216860][ T7377] ? __fget_files+0x2a/0x420 [ 283.217259][ T7377] ? __fget_files+0x3a2/0x420 [ 283.217389][ T7377] ? __fget_files+0x2a/0x420 [ 283.217497][ T7377] ksys_read+0x150/0x270 [ 283.217613][ T7377] ? __pfx_ksys_read+0x10/0x10 [ 283.217735][ T7377] do_syscall_64+0x166/0x520 [ 283.217836][ T7377] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 283.217903][ T7377] ? clear_bhb_loop+0x70/0xc0 [ 283.217985][ T7377] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 283.218048][ T7377] RIP: 0033:0x7f85f6b5ac0e [ 283.218114][ T7377] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 283.218185][ T7377] RSP: 002b:00007f85f7a5afe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 283.218259][ T7377] RAX: ffffffffffffffda RBX: 00007f85f7a5b6c0 RCX: 00007f85f6b5ac0e [ 283.218304][ T7377] RDX: 000000000000000f RSI: 00007f85f7a5b0a0 RDI: 0000000000000003 [ 283.218347][ T7377] RBP: 00007f85f7a5b090 R08: 0000000000000000 R09: 0000000000000000 [ 283.218391][ T7377] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 283.218434][ T7377] R13: 00007f85f6dd6128 R14: 00007f85f6dd6090 R15: 00007ffeb91e4de8 [ 283.218532][ T7377] [ 283.762018][ T7383] FAULT_INJECTION: forcing a failure. [ 283.762018][ T7383] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 283.762056][ T7383] CPU: 1 UID: 0 PID: 7383 Comm: syz.4.294 Not tainted syzkaller #0 PREEMPT(full) [ 283.762081][ T7383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 283.762095][ T7383] Call Trace: 2026/10/04 15:59:42 executed programs: 289 [ 283.762104][ T7383] [ 283.762114][ T7383] dump_stack_lvl+0xe8/0x150 [ 283.762152][ T7383] should_fail_ex+0x410/0x560 [ 283.762186][ T7383] strncpy_from_user+0x36/0x2c0 [ 283.762217][ T7383] strncpy_from_user_nofault+0x71/0x150 [ 283.762257][ T7383] bpf_probe_read_compat_str+0xe1/0x180 [ 283.762295][ T7383] bpf_prog_90df569eec4aaf11+0x70/0x76 [ 283.762325][ T7383] ? lock_acquire+0x115/0x350 [ 283.762357][ T7383] ? __pfx_clockevents_program_event+0x10/0x10 [ 283.762399][ T7383] bpf_trace_run2+0x56a/0xd30 [ 283.762431][ T7383] ? __pfx_bpf_trace_run2+0x10/0x10 [ 283.762462][ T7383] ? __bpf_trace_tlb_flush+0xfc/0x170 [ 283.762498][ T7383] __bpf_trace_tlb_flush+0x11d/0x170 [ 283.762532][ T7383] ? __pfx___bpf_trace_tlb_flush+0x10/0x10 [ 283.762569][ T7383] ? do_raw_spin_lock+0x12b/0x2f0 [ 283.762604][ T7383] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 283.762645][ T7383] trace_tlb_flush+0x132/0x160 [ 283.762687][ T7383] switch_mm_irqs_off+0x458/0x680 [ 283.762724][ T7383] use_temporary_mm+0x96/0x140 [ 283.762756][ T7383] __text_poke+0x68d/0xa60 [ 283.762789][ T7383] ? __pfx_text_poke_memcpy+0x10/0x10 [ 283.762819][ T7383] ? __seccomp_filter+0x547/0x1de0 [ 283.762846][ T7383] ? __pfx___text_poke+0x10/0x10 [ 283.762884][ T7383] smp_text_poke_batch_finish+0x3c8/0x1110 [ 283.762916][ T7383] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 283.762957][ T7383] ? __pfx___mutex_lock+0x10/0x10 [ 283.762992][ T7383] ? __pfx_smp_text_poke_batch_finish+0x10/0x10 [ 283.763029][ T7383] ? arch_jump_label_transform_queue+0x97/0x110 [ 283.763065][ T7383] ? __jump_label_update+0x347/0x370 [ 283.763099][ T7383] arch_jump_label_transform_apply+0x1c/0x30 [ 283.763132][ T7383] static_key_slow_inc_cpuslocked+0x80/0xf0 [ 283.763158][ T7383] static_key_slow_inc+0x1a/0x30 [ 283.763182][ T7383] bpf_enable_stats+0x101/0x140 [ 283.763212][ T7383] __sys_bpf+0xb34/0xd90 [ 283.763249][ T7383] ? __pfx___sys_bpf+0x10/0x10 [ 283.763289][ T7383] ? __fget_files+0x2a/0x420 [ 283.763342][ T7383] ? ksys_write+0x242/0x270 [ 283.763380][ T7383] ? __pfx_ksys_write+0x10/0x10 [ 283.763421][ T7383] __x64_sys_bpf+0xba/0xd0 [ 283.763447][ T7383] do_syscall_64+0x166/0x520 [ 283.763479][ T7383] ? trace_irq_disable+0x3b/0x140 [ 283.763500][ T7383] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 283.763523][ T7383] ? clear_bhb_loop+0x70/0xc0 [ 283.763552][ T7383] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 283.763574][ T7383] RIP: 0033:0x7f376db9a339 [ 283.763593][ T7383] Code: Unable to access opcode bytes at 0x7f376db9a30f. [ 283.763605][ T7383] RSP: 002b:00007f376e9b1028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 283.763630][ T7383] RAX: ffffffffffffffda RBX: 00007f376ddd5fa0 RCX: 00007f376db9a339 [ 283.763648][ T7383] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 283.763671][ T7383] RBP: 00007f376e9b1090 R08: 0000000000000000 R09: 0000000000000000 [ 283.763686][ T7383] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 283.763699][ T7383] R13: 00007f376ddd6038 R14: 00007f376ddd5fa0 R15: 00007ffc7f6ab4a8 [ 283.763735][ T7383] [ 284.197431][ T7385] FAULT_INJECTION: forcing a failure. [ 284.197431][ T7385] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 284.197469][ T7385] CPU: 1 UID: 0 PID: 7385 Comm: syz.1.292 Not tainted syzkaller #0 PREEMPT(full) [ 284.197495][ T7385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 284.197509][ T7385] Call Trace: [ 284.197519][ T7385] [ 284.197529][ T7385] dump_stack_lvl+0xe8/0x150 [ 284.197567][ T7385] should_fail_ex+0x410/0x560 [ 284.197599][ T7385] _copy_to_user+0x31/0xb0 [ 284.197748][ T7385] simple_read_from_buffer+0xe1/0x170 [ 284.197789][ T7385] proc_fail_nth_read+0x1bb/0x230 [ 284.197811][ T7385] ? common_file_perm+0x20e/0x2b0 [ 284.197842][ T7385] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 284.197867][ T7385] ? rw_verify_area+0x24a/0x4c0 [ 284.197903][ T7385] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 284.197925][ T7385] vfs_read+0x213/0xa80 [ 284.197977][ T7385] ? __pfx___mutex_lock+0x10/0x10 [ 284.198013][ T7385] ? __pfx_vfs_read+0x10/0x10 [ 284.198049][ T7385] ? __fget_files+0x2a/0x420 [ 284.198093][ T7385] ? __fget_files+0x3a2/0x420 [ 284.198124][ T7385] ? __fget_files+0x2a/0x420 [ 284.198168][ T7385] ksys_read+0x150/0x270 [ 284.198208][ T7385] ? __pfx_ksys_read+0x10/0x10 [ 284.198257][ T7385] do_syscall_64+0x166/0x520 [ 284.198297][ T7385] ? trace_irq_disable+0x3b/0x140 [ 284.198328][ T7385] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 284.198354][ T7385] ? clear_bhb_loop+0x70/0xc0 [ 284.198384][ T7385] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 284.198408][ T7385] RIP: 0033:0x7fab4895ac0e [ 284.198431][ T7385] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 284.198452][ T7385] RSP: 002b:00007fab47ffdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 284.198478][ T7385] RAX: ffffffffffffffda RBX: 00007fab47ffe6c0 RCX: 00007fab4895ac0e [ 284.198497][ T7385] RDX: 000000000000000f RSI: 00007fab47ffe0a0 RDI: 0000000000000003 [ 284.198514][ T7385] RBP: 00007fab47ffe090 R08: 0000000000000000 R09: 0000000000000000 [ 284.198530][ T7385] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 284.198546][ T7385] R13: 00007fab48bd6128 R14: 00007fab48bd6090 R15: 00007ffc3d691b18 [ 284.198585][ T7385] [ 284.231153][ T7386] FAULT_INJECTION: forcing a failure. [ 284.231153][ T7386] name failslab, interval 1, probability 0, space 0, times 0 [ 284.231257][ T7386] CPU: 0 UID: 0 PID: 7386 Comm: syz.0.293 Not tainted syzkaller #0 PREEMPT(full) [ 284.231323][ T7386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 284.231366][ T7386] Call Trace: [ 284.231382][ T7386] [ 284.231513][ T7386] dump_stack_lvl+0xe8/0x150 [ 284.231635][ T7386] should_fail_ex+0x410/0x560 [ 284.231742][ T7386] should_failslab+0xa8/0x100 [ 284.231839][ T7386] ? security_file_alloc+0x34/0x310 [ 284.231925][ T7386] kmem_cache_alloc_noprof+0xa1/0x600 [ 284.232033][ T7386] ? rcu_is_watching+0x16/0xb0 [ 284.232197][ T7386] ? security_file_alloc+0x34/0x310 [ 284.232294][ T7386] security_file_alloc+0x34/0x310 [ 284.232372][ T7386] init_file+0x90/0x2b0 [ 284.232452][ T7386] alloc_empty_file+0x74/0x1d0 [ 284.232540][ T7386] alloc_file_pseudo+0x115/0x1e0 [ 284.232821][ T7386] ? __pfx_alloc_file_pseudo+0x10/0x10 [ 284.232944][ T7386] anon_inode_getfd+0xc8/0x1f0 [ 284.233041][ T7386] bpf_enable_stats+0xdc/0x140 [ 284.233133][ T7386] __sys_bpf+0xb34/0xd90 [ 284.233283][ T7386] ? __pfx___sys_bpf+0x10/0x10 [ 284.233426][ T7386] ? __fget_files+0x2a/0x420 [ 284.233567][ T7386] ? ksys_write+0x242/0x270 [ 284.233677][ T7386] ? __pfx_ksys_write+0x10/0x10 [ 284.233784][ T7386] __x64_sys_bpf+0xba/0xd0 [ 284.233860][ T7386] do_syscall_64+0x166/0x520 [ 284.233948][ T7386] ? trace_irq_disable+0x3b/0x140 [ 284.234006][ T7386] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 284.234073][ T7386] ? clear_bhb_loop+0x70/0xc0 [ 284.234138][ T7386] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 284.234204][ T7386] RIP: 0033:0x7f98d0d9a339 [ 284.234270][ T7386] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 284.234324][ T7386] RSP: 002b:00007f98d03dd028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 284.234398][ T7386] RAX: ffffffffffffffda RBX: 00007f98d0fd6090 RCX: 00007f98d0d9a339 [ 284.234442][ T7386] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 284.234484][ T7386] RBP: 00007f98d03dd090 R08: 0000000000000000 R09: 0000000000000000 [ 284.234520][ T7386] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 284.234547][ T7386] R13: 00007f98d0fd6128 R14: 00007f98d0fd6090 R15: 00007ffc50f6fdd8 [ 284.234653][ T7386] [ 284.506861][ T7389] FAULT_INJECTION: forcing a failure. [ 284.506861][ T7389] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 284.506989][ T7389] CPU: 0 UID: 0 PID: 7389 Comm: syz.3.295 Not tainted syzkaller #0 PREEMPT(full) [ 284.507063][ T7389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 284.507110][ T7389] Call Trace: [ 284.507136][ T7389] [ 284.507145][ T7389] dump_stack_lvl+0xe8/0x150 [ 284.507282][ T7389] should_fail_ex+0x410/0x560 [ 284.507354][ T7389] _copy_to_user+0x31/0xb0 [ 284.507391][ T7389] simple_read_from_buffer+0xe1/0x170 [ 284.507433][ T7389] proc_fail_nth_read+0x1bb/0x230 [ 284.507484][ T7389] ? common_file_perm+0x20e/0x2b0 [ 284.507585][ T7389] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 284.507661][ T7389] ? rw_verify_area+0x24a/0x4c0 [ 284.507757][ T7389] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 284.507827][ T7389] vfs_read+0x213/0xa80 [ 284.507969][ T7389] ? __pfx___mutex_lock+0x10/0x10 [ 284.508076][ T7389] ? __pfx_vfs_read+0x10/0x10 [ 284.508207][ T7389] ? __fget_files+0x2a/0x420 [ 284.508316][ T7389] ? __fget_files+0x3a2/0x420 [ 284.508400][ T7389] ? __fget_files+0x2a/0x420 [ 284.508514][ T7389] ksys_read+0x150/0x270 [ 284.508632][ T7389] ? __pfx_ksys_read+0x10/0x10 [ 284.508767][ T7389] do_syscall_64+0x166/0x520 [ 284.508863][ T7389] ? trace_irq_disable+0x3b/0x140 [ 284.508934][ T7389] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 284.509018][ T7389] ? clear_bhb_loop+0x70/0xc0 [ 284.509105][ T7389] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 284.509187][ T7389] RIP: 0033:0x7f85f6b5ac0e [ 284.509264][ T7389] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 284.509326][ T7389] RSP: 002b:00007f85f7a5afe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 284.509399][ T7389] RAX: ffffffffffffffda RBX: 00007f85f7a5b6c0 RCX: 00007f85f6b5ac0e [ 284.509456][ T7389] RDX: 000000000000000f RSI: 00007f85f7a5b0a0 RDI: 0000000000000003 [ 284.509488][ T7389] RBP: 00007f85f7a5b090 R08: 0000000000000000 R09: 0000000000000000 [ 284.509535][ T7389] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 284.509574][ T7389] R13: 00007f85f6dd6128 R14: 00007f85f6dd6090 R15: 00007ffeb91e4de8 [ 284.509685][ T7389] [ 284.956614][ T7392] FAULT_INJECTION: forcing a failure. [ 284.956614][ T7392] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 284.956712][ T7392] CPU: 0 UID: 0 PID: 7392 Comm: syz.2.296 Not tainted syzkaller #0 PREEMPT(full) [ 284.956798][ T7392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 284.956839][ T7392] Call Trace: [ 284.956872][ T7392] [ 284.956902][ T7392] dump_stack_lvl+0xe8/0x150 [ 284.957012][ T7392] should_fail_ex+0x410/0x560 [ 284.957093][ T7392] _copy_to_user+0x31/0xb0 [ 284.957223][ T7392] simple_read_from_buffer+0xe1/0x170 [ 284.957320][ T7392] proc_fail_nth_read+0x1bb/0x230 [ 284.957383][ T7392] ? common_file_perm+0x20e/0x2b0 [ 284.957470][ T7392] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 284.957536][ T7392] ? rw_verify_area+0x24a/0x4c0 [ 284.957643][ T7392] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 284.957699][ T7392] vfs_read+0x213/0xa80 [ 284.957818][ T7392] ? __pfx___mutex_lock+0x10/0x10 [ 284.957914][ T7392] ? __pfx_vfs_read+0x10/0x10 [ 284.958040][ T7392] ? __fget_files+0x2a/0x420 [ 284.958138][ T7392] ? __fget_files+0x3a2/0x420 [ 284.958231][ T7392] ? __fget_files+0x2a/0x420 [ 284.958347][ T7392] ksys_read+0x150/0x270 [ 284.958458][ T7392] ? __pfx_ksys_read+0x10/0x10 [ 284.958646][ T7392] do_syscall_64+0x166/0x520 [ 284.958734][ T7392] ? trace_irq_disable+0x3b/0x140 [ 284.958798][ T7392] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 284.958862][ T7392] ? clear_bhb_loop+0x70/0xc0 [ 284.958930][ T7392] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 284.958989][ T7392] RIP: 0033:0x7f334635ac0e [ 284.959044][ T7392] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 284.959103][ T7392] RSP: 002b:00007f3347155fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 284.959176][ T7392] RAX: ffffffffffffffda RBX: 00007f33471566c0 RCX: 00007f334635ac0e [ 284.959223][ T7392] RDX: 000000000000000f RSI: 00007f33471560a0 RDI: 0000000000000003 [ 284.959266][ T7392] RBP: 00007f3347156090 R08: 0000000000000000 R09: 0000000000000000 [ 284.959308][ T7392] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 284.959342][ T7392] R13: 00007f33465d6128 R14: 00007f33465d6090 R15: 00007ffedbd5ef18 [ 284.959440][ T7392] [ 285.493816][ T7398] FAULT_INJECTION: forcing a failure. [ 285.493816][ T7398] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 285.493853][ T7398] CPU: 0 UID: 0 PID: 7398 Comm: syz.0.297 Not tainted syzkaller #0 PREEMPT(full) [ 285.493880][ T7398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 285.493895][ T7398] Call Trace: [ 285.493904][ T7398] [ 285.493915][ T7398] dump_stack_lvl+0xe8/0x150 [ 285.493953][ T7398] should_fail_ex+0x410/0x560 [ 285.493987][ T7398] _copy_to_user+0x31/0xb0 [ 285.494031][ T7398] simple_read_from_buffer+0xe1/0x170 [ 285.494070][ T7398] proc_fail_nth_read+0x1bb/0x230 [ 285.494092][ T7398] ? common_file_perm+0x20e/0x2b0 [ 285.494125][ T7398] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 285.494151][ T7398] ? rw_verify_area+0x24a/0x4c0 [ 285.494188][ T7398] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 285.494227][ T7398] vfs_read+0x213/0xa80 [ 285.494277][ T7398] ? __pfx___mutex_lock+0x10/0x10 [ 285.494323][ T7398] ? __pfx_vfs_read+0x10/0x10 [ 285.494356][ T7398] ? __fget_files+0x2a/0x420 [ 285.494407][ T7398] ? __fget_files+0x3a2/0x420 [ 285.494437][ T7398] ? __fget_files+0x2a/0x420 [ 285.494485][ T7398] ksys_read+0x150/0x270 [ 285.494522][ T7398] ? __pfx_ksys_read+0x10/0x10 [ 285.494566][ T7398] do_syscall_64+0x166/0x520 [ 285.494598][ T7398] ? trace_irq_disable+0x3b/0x140 [ 285.494661][ T7398] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 285.494705][ T7398] ? clear_bhb_loop+0x70/0xc0 [ 285.494745][ T7398] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 285.494769][ T7398] RIP: 0033:0x7f98d0d5ac0e [ 285.494798][ T7398] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 285.494824][ T7398] RSP: 002b:00007f98d03dcfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 285.494849][ T7398] RAX: ffffffffffffffda RBX: 00007f98d03dd6c0 RCX: 00007f98d0d5ac0e [ 285.494867][ T7398] RDX: 000000000000000f RSI: 00007f98d03dd0a0 RDI: 0000000000000004 [ 285.494883][ T7398] RBP: 00007f98d03dd090 R08: 0000000000000000 R09: 0000000000000000 [ 285.494897][ T7398] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 285.494912][ T7398] R13: 00007f98d0fd6128 R14: 00007f98d0fd6090 R15: 00007ffc50f6fdd8 [ 285.494950][ T7398] [ 285.644327][ T7403] FAULT_INJECTION: forcing a failure. [ 285.644327][ T7403] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 285.644454][ T7403] CPU: 0 UID: 0 PID: 7403 Comm: syz.1.298 Not tainted syzkaller #0 PREEMPT(full) [ 285.644521][ T7403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 285.644564][ T7403] Call Trace: [ 285.644588][ T7403] [ 285.644630][ T7403] dump_stack_lvl+0xe8/0x150 [ 285.644728][ T7403] should_fail_ex+0x410/0x560 [ 285.644814][ T7403] _copy_to_user+0x31/0xb0 [ 285.644888][ T7403] simple_read_from_buffer+0xe1/0x170 [ 285.645005][ T7403] proc_fail_nth_read+0x1bb/0x230 [ 285.645069][ T7403] ? common_file_perm+0x20e/0x2b0 [ 285.645196][ T7403] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 285.645271][ T7403] ? rw_verify_area+0x24a/0x4c0 [ 285.645622][ T7403] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 285.645728][ T7403] vfs_read+0x213/0xa80 [ 285.645849][ T7403] ? __pfx___mutex_lock+0x10/0x10 [ 285.645944][ T7403] ? __pfx_vfs_read+0x10/0x10 [ 285.645995][ T7403] ? __fget_files+0x2a/0x420 [ 285.646027][ T7403] ? __fget_files+0x3a2/0x420 [ 285.646067][ T7403] ? __fget_files+0x2a/0x420 [ 285.646179][ T7403] ksys_read+0x150/0x270 [ 285.646263][ T7403] ? __pfx_ksys_read+0x10/0x10 [ 285.646400][ T7403] do_syscall_64+0x166/0x520 [ 285.646527][ T7403] ? trace_irq_disable+0x3b/0x140 [ 285.646601][ T7403] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 285.646667][ T7403] ? clear_bhb_loop+0x70/0xc0 [ 285.646745][ T7403] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 285.646821][ T7403] RIP: 0033:0x7fab4895ac0e [ 285.646889][ T7403] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 285.646938][ T7403] RSP: 002b:00007fab47ffdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 285.647017][ T7403] RAX: ffffffffffffffda RBX: 00007fab47ffe6c0 RCX: 00007fab4895ac0e [ 285.647058][ T7403] RDX: 000000000000000f RSI: 00007fab47ffe0a0 RDI: 0000000000000003 [ 285.647101][ T7403] RBP: 00007fab47ffe090 R08: 0000000000000000 R09: 0000000000000000 [ 285.647136][ T7403] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 285.647178][ T7403] R13: 00007fab48bd6128 R14: 00007fab48bd6090 R15: 00007ffc3d691b18 [ 285.647313][ T7403] [ 285.738807][ T7404] FAULT_INJECTION: forcing a failure. [ 285.738807][ T7404] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 285.738904][ T7404] CPU: 0 UID: 0 PID: 7404 Comm: syz.4.300 Not tainted syzkaller #0 PREEMPT(full) [ 285.738976][ T7404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 285.739021][ T7404] Call Trace: [ 285.739044][ T7404] [ 285.739074][ T7404] dump_stack_lvl+0xe8/0x150 [ 285.739164][ T7404] should_fail_ex+0x410/0x560 [ 285.739250][ T7404] _copy_to_user+0x31/0xb0 [ 285.739336][ T7404] simple_read_from_buffer+0xe1/0x170 [ 285.739433][ T7404] proc_fail_nth_read+0x1bb/0x230 [ 285.739489][ T7404] ? common_file_perm+0x20e/0x2b0 [ 285.739562][ T7404] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 285.739635][ T7404] ? rw_verify_area+0x24a/0x4c0 [ 285.739723][ T7404] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 285.739790][ T7404] vfs_read+0x213/0xa80 [ 285.739907][ T7404] ? __pfx___mutex_lock+0x10/0x10 [ 285.740019][ T7404] ? __pfx_vfs_read+0x10/0x10 [ 285.740110][ T7404] ? __fget_files+0x2a/0x420 [ 285.740252][ T7404] ? __fget_files+0x3a2/0x420 [ 285.740328][ T7404] ? __fget_files+0x2a/0x420 [ 285.740434][ T7404] ksys_read+0x150/0x270 [ 285.740530][ T7404] ? __pfx_ksys_read+0x10/0x10 [ 285.740650][ T7404] do_syscall_64+0x166/0x520 [ 285.740755][ T7404] ? trace_irq_disable+0x3b/0x140 [ 285.740837][ T7404] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 285.740871][ T7404] ? clear_bhb_loop+0x70/0xc0 [ 285.740897][ T7404] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 285.740919][ T7404] RIP: 0033:0x7f376db5ac0e [ 285.740939][ T7404] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 285.740977][ T7404] RSP: 002b:00007f376e98ffe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 285.741068][ T7404] RAX: ffffffffffffffda RBX: 00007f376e9906c0 RCX: 00007f376db5ac0e [ 285.741106][ T7404] RDX: 000000000000000f RSI: 00007f376e9900a0 RDI: 0000000000000003 [ 285.741155][ T7404] RBP: 00007f376e990090 R08: 0000000000000000 R09: 0000000000000000 [ 285.741190][ T7404] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 285.741231][ T7404] R13: 00007f376ddd6128 R14: 00007f376ddd6090 R15: 00007ffc7f6ab4a8 [ 285.741326][ T7404] [ 286.061920][ T7408] FAULT_INJECTION: forcing a failure. [ 286.061920][ T7408] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 286.062014][ T7408] CPU: 0 UID: 0 PID: 7408 Comm: syz.3.299 Not tainted syzkaller #0 PREEMPT(full) [ 286.062082][ T7408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 286.062123][ T7408] Call Trace: [ 286.062150][ T7408] [ 286.062167][ T7408] dump_stack_lvl+0xe8/0x150 [ 286.062266][ T7408] should_fail_ex+0x410/0x560 [ 286.062344][ T7408] _copy_to_user+0x31/0xb0 [ 286.062433][ T7408] simple_read_from_buffer+0xe1/0x170 [ 286.062555][ T7408] proc_fail_nth_read+0x1bb/0x230 [ 286.062639][ T7408] ? common_file_perm+0x20e/0x2b0 [ 286.062722][ T7408] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 286.062798][ T7408] ? rw_verify_area+0x24a/0x4c0 [ 286.062904][ T7408] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 286.062947][ T7408] vfs_read+0x213/0xa80 [ 286.062980][ T7408] ? __pfx___mutex_lock+0x10/0x10 [ 286.063010][ T7408] ? __pfx_vfs_read+0x10/0x10 [ 286.063040][ T7408] ? __fget_files+0x2a/0x420 [ 286.063133][ T7408] ? __fget_files+0x3a2/0x420 [ 286.063218][ T7408] ? __fget_files+0x2a/0x420 [ 286.063326][ T7408] ksys_read+0x150/0x270 [ 286.063423][ T7408] ? __pfx_ksys_read+0x10/0x10 [ 286.063554][ T7408] do_syscall_64+0x166/0x520 [ 286.063650][ T7408] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.063715][ T7408] ? clear_bhb_loop+0x70/0xc0 [ 286.063800][ T7408] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.063878][ T7408] RIP: 0033:0x7f85f6b5ac0e [ 286.063924][ T7408] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 286.063969][ T7408] RSP: 002b:00007f85f7a5afe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 286.064044][ T7408] RAX: ffffffffffffffda RBX: 00007f85f7a5b6c0 RCX: 00007f85f6b5ac0e [ 286.064090][ T7408] RDX: 000000000000000f RSI: 00007f85f7a5b0a0 RDI: 0000000000000003 [ 286.064143][ T7408] RBP: 00007f85f7a5b090 R08: 0000000000000000 R09: 0000000000000000 [ 286.064179][ T7408] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 286.064221][ T7408] R13: 00007f85f6dd6128 R14: 00007f85f6dd6090 R15: 00007ffeb91e4de8 [ 286.064319][ T7408] [ 286.223889][ T7409] FAULT_INJECTION: forcing a failure. [ 286.223889][ T7409] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 286.224126][ T7409] CPU: 0 UID: 0 PID: 7409 Comm: syz.2.301 Not tainted syzkaller #0 PREEMPT(full) [ 286.224194][ T7409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 286.224237][ T7409] Call Trace: [ 286.224268][ T7409] [ 286.224291][ T7409] dump_stack_lvl+0xe8/0x150 [ 286.224390][ T7409] should_fail_ex+0x410/0x560 [ 286.224650][ T7409] _copy_to_user+0x31/0xb0 [ 286.224906][ T7409] simple_read_from_buffer+0xe1/0x170 [ 286.225169][ T7409] proc_fail_nth_read+0x1bb/0x230 [ 286.225231][ T7409] ? common_file_perm+0x20e/0x2b0 [ 286.225316][ T7409] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 286.225389][ T7409] ? rw_verify_area+0x24a/0x4c0 [ 286.225472][ T7409] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 286.225529][ T7409] vfs_read+0x213/0xa80 [ 286.225628][ T7409] ? __pfx___mutex_lock+0x10/0x10 [ 286.225731][ T7409] ? __pfx_vfs_read+0x10/0x10 [ 286.225827][ T7409] ? __fget_files+0x2a/0x420 [ 286.225924][ T7409] ? __fget_files+0x3a2/0x420 [ 286.226028][ T7409] ? __fget_files+0x2a/0x420 [ 286.226137][ T7409] ksys_read+0x150/0x270 [ 286.226244][ T7409] ? __pfx_ksys_read+0x10/0x10 [ 286.226366][ T7409] do_syscall_64+0x166/0x520 [ 286.226479][ T7409] ? trace_irq_disable+0x3b/0x140 [ 286.226553][ T7409] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.226618][ T7409] ? clear_bhb_loop+0x70/0xc0 [ 286.226692][ T7409] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.226767][ T7409] RIP: 0033:0x7f334635ac0e [ 286.226833][ T7409] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 286.226896][ T7409] RSP: 002b:00007f3347155fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 286.226962][ T7409] RAX: ffffffffffffffda RBX: 00007f33471566c0 RCX: 00007f334635ac0e [ 286.227013][ T7409] RDX: 000000000000000f RSI: 00007f33471560a0 RDI: 0000000000000003 [ 286.227056][ T7409] RBP: 00007f3347156090 R08: 0000000000000000 R09: 0000000000000000 [ 286.227084][ T7409] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 286.227130][ T7409] R13: 00007f33465d6128 R14: 00007f33465d6090 R15: 00007ffedbd5ef18 [ 286.227174][ T7409] [ 286.934379][ T7412] FAULT_INJECTION: forcing a failure. [ 286.934379][ T7412] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 286.934416][ T7412] CPU: 1 UID: 0 PID: 7412 Comm: syz.0.302 Not tainted syzkaller #0 PREEMPT(full) [ 286.934442][ T7412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 286.934457][ T7412] Call Trace: [ 286.934467][ T7412] [ 286.934477][ T7412] dump_stack_lvl+0xe8/0x150 [ 286.934515][ T7412] should_fail_ex+0x410/0x560 [ 286.934548][ T7412] _copy_to_user+0x31/0xb0 [ 286.934581][ T7412] simple_read_from_buffer+0xe1/0x170 [ 286.934619][ T7412] proc_fail_nth_read+0x1bb/0x230 [ 286.934641][ T7412] ? common_file_perm+0x20e/0x2b0 [ 286.934673][ T7412] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 286.934699][ T7412] ? rw_verify_area+0x24a/0x4c0 [ 286.934735][ T7412] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 286.934757][ T7412] vfs_read+0x213/0xa80 [ 286.934796][ T7412] ? __pfx___mutex_lock+0x10/0x10 [ 286.934832][ T7412] ? __pfx_vfs_read+0x10/0x10 [ 286.934867][ T7412] ? __fget_files+0x2a/0x420 [ 286.934903][ T7412] ? __fget_files+0x3a2/0x420 [ 286.934941][ T7412] ? __fget_files+0x2a/0x420 [ 286.934987][ T7412] ksys_read+0x150/0x270 [ 286.935028][ T7412] ? __pfx_ksys_read+0x10/0x10 [ 286.935074][ T7412] do_syscall_64+0x166/0x520 [ 286.935106][ T7412] ? trace_irq_disable+0x3b/0x140 [ 286.935129][ T7412] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.935153][ T7412] ? clear_bhb_loop+0x70/0xc0 [ 286.935181][ T7412] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.935204][ T7412] RIP: 0033:0x7f98d0d5ac0e [ 286.935226][ T7412] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 286.935247][ T7412] RSP: 002b:00007f98d03dcfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 286.935272][ T7412] RAX: ffffffffffffffda RBX: 00007f98d03dd6c0 RCX: 00007f98d0d5ac0e [ 286.935290][ T7412] RDX: 000000000000000f RSI: 00007f98d03dd0a0 RDI: 0000000000000003 [ 286.935305][ T7412] RBP: 00007f98d03dd090 R08: 0000000000000000 R09: 0000000000000000 [ 286.935320][ T7412] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 286.935335][ T7412] R13: 00007f98d0fd6128 R14: 00007f98d0fd6090 R15: 00007ffc50f6fdd8 [ 286.935371][ T7412] [ 287.253306][ T7419] FAULT_INJECTION: forcing a failure. [ 287.253306][ T7419] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 287.253346][ T7419] CPU: 1 UID: 0 PID: 7419 Comm: syz.4.303 Not tainted syzkaller #0 PREEMPT(full) [ 287.253372][ T7419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 287.253387][ T7419] Call Trace: [ 287.253396][ T7419] [ 287.253406][ T7419] dump_stack_lvl+0xe8/0x150 [ 287.253443][ T7419] should_fail_ex+0x410/0x560 [ 287.253483][ T7419] _copy_to_user+0x31/0xb0 [ 287.253516][ T7419] simple_read_from_buffer+0xe1/0x170 [ 287.253566][ T7419] proc_fail_nth_read+0x1bb/0x230 [ 287.253588][ T7419] ? common_file_perm+0x20e/0x2b0 [ 287.253620][ T7419] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 287.253646][ T7419] ? rw_verify_area+0x24a/0x4c0 [ 287.253681][ T7419] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 287.253720][ T7419] vfs_read+0x213/0xa80 [ 287.253760][ T7419] ? __pfx___mutex_lock+0x10/0x10 [ 287.253801][ T7419] ? __pfx_vfs_read+0x10/0x10 [ 287.253835][ T7419] ? __fget_files+0x2a/0x420 [ 287.253872][ T7419] ? __fget_files+0x3a2/0x420 [ 287.253901][ T7419] ? __fget_files+0x2a/0x420 [ 287.253955][ T7419] ksys_read+0x150/0x270 [ 287.253991][ T7419] ? __pfx_ksys_read+0x10/0x10 [ 287.254037][ T7419] do_syscall_64+0x166/0x520 [ 287.254069][ T7419] ? trace_irq_disable+0x3b/0x140 [ 287.254093][ T7419] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.254117][ T7419] ? clear_bhb_loop+0x70/0xc0 [ 287.254146][ T7419] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.254170][ T7419] RIP: 0033:0x7f376db5ac0e [ 287.254206][ T7419] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 287.254227][ T7419] RSP: 002b:00007f376e98ffe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 287.254252][ T7419] RAX: ffffffffffffffda RBX: 00007f376e9906c0 RCX: 00007f376db5ac0e [ 287.254269][ T7419] RDX: 000000000000000f RSI: 00007f376e9900a0 RDI: 0000000000000003 [ 287.254285][ T7419] RBP: 00007f376e990090 R08: 0000000000000000 R09: 0000000000000000 [ 287.254300][ T7419] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 287.254315][ T7419] R13: 00007f376ddd6128 R14: 00007f376ddd6090 R15: 00007ffc7f6ab4a8 [ 287.254352][ T7419] [ 287.258753][ T7420] FAULT_INJECTION: forcing a failure. [ 287.258753][ T7420] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 287.258862][ T7420] CPU: 1 UID: 0 PID: 7420 Comm: syz.1.304 Not tainted syzkaller #0 PREEMPT(full) [ 287.258928][ T7420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 287.258996][ T7420] Call Trace: [ 287.259019][ T7420] [ 287.259049][ T7420] dump_stack_lvl+0xe8/0x150 [ 287.259147][ T7420] should_fail_ex+0x410/0x560 [ 287.259225][ T7420] _copy_to_user+0x31/0xb0 [ 287.259306][ T7420] simple_read_from_buffer+0xe1/0x170 [ 287.259415][ T7420] proc_fail_nth_read+0x1bb/0x230 [ 287.259472][ T7420] ? common_file_perm+0x20e/0x2b0 [ 287.259558][ T7420] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 287.259624][ T7420] ? rw_verify_area+0x24a/0x4c0 [ 287.259712][ T7420] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 287.259960][ T7420] vfs_read+0x213/0xa80 [ 287.260053][ T7420] ? __pfx___mutex_lock+0x10/0x10 [ 287.260141][ T7420] ? __pfx_vfs_read+0x10/0x10 [ 287.260290][ T7420] ? __fget_files+0x2a/0x420 [ 287.260387][ T7420] ? __fget_files+0x3a2/0x420 [ 287.260475][ T7420] ? __fget_files+0x2a/0x420 [ 287.260578][ T7420] ksys_read+0x150/0x270 [ 287.260859][ T7420] ? __pfx_ksys_read+0x10/0x10 [ 287.260993][ T7420] do_syscall_64+0x166/0x520 [ 287.261084][ T7420] ? trace_irq_disable+0x3b/0x140 [ 287.261159][ T7420] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.261237][ T7420] ? clear_bhb_loop+0x70/0xc0 [ 287.261315][ T7420] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.261383][ T7420] RIP: 0033:0x7fab4895ac0e [ 287.261450][ T7420] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 287.261507][ T7420] RSP: 002b:00007fab47ffdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 287.261562][ T7420] RAX: ffffffffffffffda RBX: 00007fab47ffe6c0 RCX: 00007fab4895ac0e [ 287.261615][ T7420] RDX: 000000000000000f RSI: 00007fab47ffe0a0 RDI: 0000000000000003 [ 287.261651][ T7420] RBP: 00007fab47ffe090 R08: 0000000000000000 R09: 0000000000000000 [ 287.261695][ T7420] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 287.261733][ T7420] R13: 00007fab48bd6128 R14: 00007fab48bd6090 R15: 00007ffc3d691b18 [ 287.261861][ T7420] [ 287.565523][ T7425] FAULT_INJECTION: forcing a failure. [ 287.565523][ T7425] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 287.565640][ T7425] CPU: 1 UID: 0 PID: 7425 Comm: syz.3.305 Not tainted syzkaller #0 PREEMPT(full) [ 287.565725][ T7425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 287.565775][ T7425] Call Trace: [ 287.565801][ T7425] [ 287.565827][ T7425] dump_stack_lvl+0xe8/0x150 [ 287.565936][ T7425] should_fail_ex+0x410/0x560 [ 287.566035][ T7425] _copy_to_user+0x31/0xb0 [ 287.566130][ T7425] simple_read_from_buffer+0xe1/0x170 [ 287.566231][ T7425] proc_fail_nth_read+0x1bb/0x230 [ 287.566294][ T7425] ? common_file_perm+0x20e/0x2b0 [ 287.566391][ T7425] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 287.566482][ T7425] ? rw_verify_area+0x24a/0x4c0 [ 287.566594][ T7425] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 287.566666][ T7425] vfs_read+0x213/0xa80 [ 287.566787][ T7425] ? __pfx___mutex_lock+0x10/0x10 [ 287.566888][ T7425] ? __pfx_vfs_read+0x10/0x10 [ 287.566994][ T7425] ? __fget_files+0x2a/0x420 [ 287.567101][ T7425] ? __fget_files+0x3a2/0x420 [ 287.567193][ T7425] ? __fget_files+0x2a/0x420 [ 287.567313][ T7425] ksys_read+0x150/0x270 [ 287.567420][ T7425] ? __pfx_ksys_read+0x10/0x10 [ 287.567556][ T7425] do_syscall_64+0x166/0x520 [ 287.567653][ T7425] ? trace_irq_disable+0x3b/0x140 [ 287.567724][ T7425] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.567797][ T7425] ? clear_bhb_loop+0x70/0xc0 [ 287.567890][ T7425] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.567968][ T7425] RIP: 0033:0x7f85f6b5ac0e [ 287.568037][ T7425] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 287.568110][ T7425] RSP: 002b:00007f85f7a5afe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 287.568183][ T7425] RAX: ffffffffffffffda RBX: 00007f85f7a5b6c0 RCX: 00007f85f6b5ac0e [ 287.568226][ T7425] RDX: 000000000000000f RSI: 00007f85f7a5b0a0 RDI: 0000000000000003 [ 287.568275][ T7425] RBP: 00007f85f7a5b090 R08: 0000000000000000 R09: 0000000000000000 [ 287.568322][ T7425] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 287.568392][ T7425] R13: 00007f85f6dd6128 R14: 00007f85f6dd6090 R15: 00007ffeb91e4de8 [ 287.568503][ T7425] [ 287.570508][ T7424] FAULT_INJECTION: forcing a failure. [ 287.570508][ T7424] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 287.570604][ T7424] CPU: 1 UID: 0 PID: 7424 Comm: syz.2.306 Not tainted syzkaller #0 PREEMPT(full) [ 287.570687][ T7424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 287.570741][ T7424] Call Trace: [ 287.570767][ T7424] [ 287.570800][ T7424] dump_stack_lvl+0xe8/0x150 [ 287.570915][ T7424] should_fail_ex+0x410/0x560 [ 287.571009][ T7424] _copy_to_user+0x31/0xb0 [ 287.571103][ T7424] simple_read_from_buffer+0xe1/0x170 [ 287.571216][ T7424] proc_fail_nth_read+0x1bb/0x230 [ 287.571278][ T7424] ? common_file_perm+0x20e/0x2b0 [ 287.571375][ T7424] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 287.571457][ T7424] ? rw_verify_area+0x24a/0x4c0 [ 287.571554][ T7424] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 287.571623][ T7424] vfs_read+0x213/0xa80 [ 287.571752][ T7424] ? __pfx___mutex_lock+0x10/0x10 [ 287.571850][ T7424] ? __pfx_vfs_read+0x10/0x10 [ 287.571958][ T7424] ? __fget_files+0x2a/0x420 [ 287.572067][ T7424] ? __fget_files+0x3a2/0x420 [ 287.572160][ T7424] ? __fget_files+0x2a/0x420 [ 287.572277][ T7424] ksys_read+0x150/0x270 [ 287.572351][ T7424] ? __pfx_ksys_read+0x10/0x10 [ 287.572400][ T7424] do_syscall_64+0x166/0x520 [ 287.572471][ T7424] ? trace_irq_disable+0x3b/0x140 [ 287.572550][ T7424] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.572640][ T7424] ? clear_bhb_loop+0x70/0xc0 [ 287.572727][ T7424] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.572798][ T7424] RIP: 0033:0x7f334635ac0e [ 287.572860][ T7424] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 287.572920][ T7424] RSP: 002b:00007f3347155fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 287.572992][ T7424] RAX: ffffffffffffffda RBX: 00007f33471566c0 RCX: 00007f334635ac0e [ 287.573041][ T7424] RDX: 000000000000000f RSI: 00007f33471560a0 RDI: 0000000000000003 [ 287.573087][ T7424] RBP: 00007f3347156090 R08: 0000000000000000 R09: 0000000000000000 [ 287.573134][ T7424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 287.573173][ T7424] R13: 00007f33465d6128 R14: 00007f33465d6090 R15: 00007ffedbd5ef18 [ 287.573277][ T7424] [ 288.370776][ T7429] FAULT_INJECTION: forcing a failure. [ 288.370776][ T7429] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 288.370813][ T7429] CPU: 0 UID: 0 PID: 7429 Comm: syz.0.307 Not tainted syzkaller #0 PREEMPT(full) [ 288.370839][ T7429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 288.370853][ T7429] Call Trace: [ 288.370863][ T7429] [ 288.370873][ T7429] dump_stack_lvl+0xe8/0x150 [ 288.370910][ T7429] should_fail_ex+0x410/0x560 [ 288.370944][ T7429] _copy_to_user+0x31/0xb0 [ 288.370977][ T7429] simple_read_from_buffer+0xe1/0x170 [ 288.371016][ T7429] proc_fail_nth_read+0x1bb/0x230 [ 288.371049][ T7429] ? common_file_perm+0x20e/0x2b0 [ 288.371082][ T7429] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 288.371110][ T7429] ? rw_verify_area+0x24a/0x4c0 [ 288.371153][ T7429] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 288.371175][ T7429] vfs_read+0x213/0xa80 [ 288.371215][ T7429] ? __pfx___mutex_lock+0x10/0x10 [ 288.371251][ T7429] ? __pfx_vfs_read+0x10/0x10 [ 288.371288][ T7429] ? __fget_files+0x2a/0x420 [ 288.371324][ T7429] ? __fget_files+0x3a2/0x420 [ 288.371355][ T7429] ? __fget_files+0x2a/0x420 [ 288.371396][ T7429] ksys_read+0x150/0x270 [ 288.371433][ T7429] ? __pfx_ksys_read+0x10/0x10 [ 288.371480][ T7429] do_syscall_64+0x166/0x520 [ 288.371512][ T7429] ? trace_irq_disable+0x3b/0x140 [ 288.371536][ T7429] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 288.371560][ T7429] ? clear_bhb_loop+0x70/0xc0 [ 288.371588][ T7429] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 288.371611][ T7429] RIP: 0033:0x7f98d0d5ac0e [ 288.371632][ T7429] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 288.371653][ T7429] RSP: 002b:00007f98d03dcfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 288.371678][ T7429] RAX: ffffffffffffffda RBX: 00007f98d03dd6c0 RCX: 00007f98d0d5ac0e [ 288.371696][ T7429] RDX: 000000000000000f RSI: 00007f98d03dd0a0 RDI: 0000000000000004 [ 288.371710][ T7429] RBP: 00007f98d03dd090 R08: 0000000000000000 R09: 0000000000000000 [ 288.371725][ T7429] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 288.371739][ T7429] R13: 00007f98d0fd6128 R14: 00007f98d0fd6090 R15: 00007ffc50f6fdd8 [ 288.371775][ T7429] [ 288.702327][ T7439] FAULT_INJECTION: forcing a failure. [ 288.702327][ T7439] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 288.702365][ T7439] CPU: 0 UID: 0 PID: 7439 Comm: syz.1.308 Not tainted syzkaller #0 PREEMPT(full) [ 288.702390][ T7439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 288.702415][ T7439] Call Trace: [ 288.702425][ T7439] [ 288.702441][ T7439] dump_stack_lvl+0xe8/0x150 [ 288.702492][ T7439] should_fail_ex+0x410/0x560 [ 288.702533][ T7439] strncpy_from_user+0x36/0x2c0 [ 288.702589][ T7439] strncpy_from_user_nofault+0x71/0x150 [ 288.702630][ T7439] bpf_probe_read_compat_str+0xe1/0x180 [ 288.702669][ T7439] bpf_prog_90df569eec4aaf11+0x70/0x76 [ 288.702693][ T7439] ? kmem_cache_alloc_noprof+0x156/0x600 [ 288.702743][ T7439] ? lock_acquire+0x115/0x350 [ 288.702792][ T7439] bpf_trace_run2+0x56a/0xd30 [ 288.702826][ T7439] ? __pfx_bpf_trace_run2+0x10/0x10 [ 288.702852][ T7439] ? kmem_cache_alloc_noprof+0x156/0x600 [ 288.702891][ T7439] ? __bpf_trace_tlb_flush+0xfc/0x170 [ 288.702930][ T7439] __bpf_trace_tlb_flush+0x11d/0x170 [ 288.702965][ T7439] ? __pfx___bpf_trace_tlb_flush+0x10/0x10 [ 288.702999][ T7439] ? do_raw_spin_lock+0x12b/0x2f0 [ 288.703035][ T7439] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 288.703077][ T7439] trace_tlb_flush+0x132/0x160 [ 288.703120][ T7439] switch_mm_irqs_off+0x458/0x680 [ 288.703164][ T7439] use_temporary_mm+0x96/0x140 [ 288.703201][ T7439] __text_poke+0x68d/0xa60 [ 288.703256][ T7439] ? __pfx_text_poke_memcpy+0x10/0x10 [ 288.703284][ T7439] ? __seccomp_filter+0x547/0x1de0 [ 288.703309][ T7439] ? __pfx___text_poke+0x10/0x10 [ 288.703360][ T7439] smp_text_poke_batch_finish+0x3c8/0x1110 [ 288.703388][ T7439] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 288.703426][ T7439] ? __pfx___mutex_lock+0x10/0x10 [ 288.703459][ T7439] ? __pfx_smp_text_poke_batch_finish+0x10/0x10 [ 288.703494][ T7439] ? arch_jump_label_transform_queue+0x97/0x110 [ 288.703529][ T7439] ? __jump_label_update+0x347/0x370 [ 288.703560][ T7439] arch_jump_label_transform_apply+0x1c/0x30 [ 288.703592][ T7439] static_key_slow_inc_cpuslocked+0x80/0xf0 [ 288.703618][ T7439] static_key_slow_inc+0x1a/0x30 [ 288.703640][ T7439] bpf_enable_stats+0x101/0x140 [ 288.703667][ T7439] __sys_bpf+0xb34/0xd90 [ 288.703698][ T7439] ? __pfx___sys_bpf+0x10/0x10 [ 288.703744][ T7439] ? __fget_files+0x2a/0x420 [ 288.703792][ T7439] ? ksys_write+0x242/0x270 [ 288.703826][ T7439] ? __pfx_ksys_write+0x10/0x10 [ 288.703863][ T7439] __x64_sys_bpf+0xba/0xd0 [ 288.703890][ T7439] do_syscall_64+0x166/0x520 [ 288.703921][ T7439] ? trace_irq_disable+0x3b/0x140 [ 288.703944][ T7439] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 288.703967][ T7439] ? clear_bhb_loop+0x70/0xc0 [ 288.703996][ T7439] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 288.704018][ T7439] RIP: 0033:0x7fab4899a339 [ 288.704040][ T7439] Code: Unable to access opcode bytes at 0x7fab4899a30f. [ 288.704052][ T7439] RSP: 002b:00007fab47ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 288.704078][ T7439] RAX: ffffffffffffffda RBX: 00007fab48bd6090 RCX: 00007fab4899a339 [ 288.704096][ T7439] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 288.704109][ T7439] RBP: 00007fab47ffe090 R08: 0000000000000000 R09: 0000000000000000 [ 288.704124][ T7439] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 288.704139][ T7439] R13: 00007fab48bd6128 R14: 00007fab48bd6090 R15: 00007ffc3d691b18 [ 288.704177][ T7439] [ 289.100955][ T7438] FAULT_INJECTION: forcing a failure. [ 289.100955][ T7438] name failslab, interval 1, probability 0, space 0, times 0 [ 289.101037][ T7438] CPU: 0 UID: 0 PID: 7438 Comm: syz.4.309 Not tainted syzkaller #0 PREEMPT(full) [ 289.101068][ T7438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 289.101085][ T7438] Call Trace: [ 289.101095][ T7438] [ 289.101107][ T7438] dump_stack_lvl+0xe8/0x150 [ 289.101152][ T7438] should_fail_ex+0x410/0x560 [ 289.101285][ T7438] should_failslab+0xa8/0x100 [ 289.101340][ T7438] ? security_file_alloc+0x34/0x310 [ 289.101378][ T7438] kmem_cache_alloc_noprof+0xa1/0x600 [ 289.101418][ T7438] ? rcu_is_watching+0x16/0xb0 [ 289.101452][ T7438] ? security_file_alloc+0x34/0x310 [ 289.101486][ T7438] security_file_alloc+0x34/0x310 [ 289.101518][ T7438] init_file+0x90/0x2b0 [ 289.101552][ T7438] alloc_empty_file+0x74/0x1d0 [ 289.101581][ T7438] alloc_file_pseudo+0x115/0x1e0 [ 289.101613][ T7438] ? __pfx_alloc_file_pseudo+0x10/0x10 [ 289.101670][ T7438] anon_inode_getfd+0xc8/0x1f0 [ 289.101732][ T7438] bpf_enable_stats+0xdc/0x140 [ 289.101768][ T7438] __sys_bpf+0xb34/0xd90 [ 289.101809][ T7438] ? __pfx___sys_bpf+0x10/0x10 [ 289.101853][ T7438] ? __fget_files+0x2a/0x420 [ 289.101910][ T7438] ? ksys_write+0x242/0x270 [ 289.101952][ T7438] ? __pfx_ksys_write+0x10/0x10 [ 289.101998][ T7438] __x64_sys_bpf+0xba/0xd0 [ 289.102029][ T7438] do_syscall_64+0x166/0x520 [ 289.102248][ T7438] ? trace_irq_disable+0x3b/0x140 [ 289.102276][ T7438] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 289.102303][ T7438] ? clear_bhb_loop+0x70/0xc0 [ 289.102337][ T7438] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 289.102365][ T7438] RIP: 0033:0x7f376db9a339 [ 289.102390][ T7438] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 289.102415][ T7438] RSP: 002b:00007f376e9b1028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 289.102443][ T7438] RAX: ffffffffffffffda RBX: 00007f376ddd5fa0 RCX: 00007f376db9a339 [ 289.102462][ T7438] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 289.102479][ T7438] RBP: 00007f376e9b1090 R08: 0000000000000000 R09: 0000000000000000 [ 289.102497][ T7438] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 289.102513][ T7438] R13: 00007f376ddd6038 R14: 00007f376ddd5fa0 R15: 00007ffc7f6ab4a8 [ 289.102555][ T7438] [ 289.275663][ T7441] FAULT_INJECTION: forcing a failure. [ 289.275663][ T7441] name failslab, interval 1, probability 0, space 0, times 0 [ 289.275916][ T7441] CPU: 0 UID: 0 PID: 7441 Comm: syz.3.310 Not tainted syzkaller #0 PREEMPT(full) [ 289.276010][ T7441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 289.276052][ T7441] Call Trace: [ 289.276075][ T7441] [ 289.276105][ T7441] dump_stack_lvl+0xe8/0x150 [ 289.276190][ T7441] should_fail_ex+0x410/0x560 [ 289.276276][ T7441] should_failslab+0xa8/0x100 [ 289.276350][ T7441] ? security_file_alloc+0x34/0x310 [ 289.276421][ T7441] kmem_cache_alloc_noprof+0xa1/0x600 [ 289.276517][ T7441] ? rcu_is_watching+0x16/0xb0 [ 289.276586][ T7441] ? security_file_alloc+0x34/0x310 [ 289.276680][ T7441] security_file_alloc+0x34/0x310 [ 289.276784][ T7441] init_file+0x90/0x2b0 [ 289.276859][ T7441] alloc_empty_file+0x74/0x1d0 [ 289.276933][ T7441] alloc_file_pseudo+0x115/0x1e0 [ 289.277024][ T7441] ? __pfx_alloc_file_pseudo+0x10/0x10 [ 289.277134][ T7441] anon_inode_getfd+0xc8/0x1f0 [ 289.277219][ T7441] bpf_enable_stats+0xdc/0x140 [ 289.277296][ T7441] __sys_bpf+0xb34/0xd90 [ 289.277385][ T7441] ? __pfx___sys_bpf+0x10/0x10 [ 289.277509][ T7441] ? __fget_files+0x2a/0x420 [ 289.277649][ T7441] ? ksys_write+0x242/0x270 [ 289.277746][ T7441] ? __pfx_ksys_write+0x10/0x10 [ 289.277874][ T7441] __x64_sys_bpf+0xba/0xd0 [ 289.277957][ T7441] do_syscall_64+0x166/0x520 [ 289.278042][ T7441] ? trace_irq_disable+0x3b/0x140 [ 289.278104][ T7441] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 289.278154][ T7441] ? clear_bhb_loop+0x70/0xc0 [ 289.278228][ T7441] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 289.278292][ T7441] RIP: 0033:0x7f85f6b9a339 [ 289.278346][ T7441] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 289.278398][ T7441] RSP: 002b:00007f85f7a5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 289.278462][ T7441] RAX: ffffffffffffffda RBX: 00007f85f6dd6090 RCX: 00007f85f6b9a339 [ 289.278514][ T7441] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 289.278547][ T7441] RBP: 00007f85f7a5b090 R08: 0000000000000000 R09: 0000000000000000 [ 289.278587][ T7441] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 289.278622][ T7441] R13: 00007f85f6dd6128 R14: 00007f85f6dd6090 R15: 00007ffeb91e4de8 [ 289.278719][ T7441] [ 289.368007][ T7442] FAULT_INJECTION: forcing a failure. [ 289.368007][ T7442] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 289.368134][ T7442] CPU: 0 UID: 0 PID: 7442 Comm: syz.2.311 Not tainted syzkaller #0 PREEMPT(full) [ 289.368215][ T7442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 289.368284][ T7442] Call Trace: [ 289.368315][ T7442] [ 289.368341][ T7442] dump_stack_lvl+0xe8/0x150 [ 289.368457][ T7442] should_fail_ex+0x410/0x560 [ 289.368552][ T7442] _copy_to_user+0x31/0xb0 [ 289.368661][ T7442] simple_read_from_buffer+0xe1/0x170 [ 289.368781][ T7442] proc_fail_nth_read+0x1bb/0x230 [ 289.368844][ T7442] ? common_file_perm+0x20e/0x2b0 [ 289.368946][ T7442] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 289.369028][ T7442] ? rw_verify_area+0x24a/0x4c0 [ 289.369149][ T7442] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 289.369220][ T7442] vfs_read+0x213/0xa80 [ 289.369356][ T7442] ? __pfx___mutex_lock+0x10/0x10 [ 289.369469][ T7442] ? __pfx_vfs_read+0x10/0x10 [ 289.369577][ T7442] ? __fget_files+0x2a/0x420 [ 289.369679][ T7442] ? __fget_files+0x3a2/0x420 [ 289.369773][ T7442] ? __fget_files+0x2a/0x420 [ 289.369911][ T7442] ksys_read+0x150/0x270 [ 289.370039][ T7442] ? __pfx_ksys_read+0x10/0x10 [ 289.370242][ T7442] do_syscall_64+0x166/0x520 [ 289.370352][ T7442] ? trace_irq_disable+0x3b/0x140 2026/10/04 15:59:48 executed programs: 306 [ 289.370424][ T7442] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 289.370495][ T7442] ? clear_bhb_loop+0x70/0xc0 [ 289.370590][ T7442] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 289.370654][ T7442] RIP: 0033:0x7f334635ac0e [ 289.370715][ T7442] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 289.370776][ T7442] RSP: 002b:00007f3347155fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 289.370856][ T7442] RAX: ffffffffffffffda RBX: 00007f33471566c0 RCX: 00007f334635ac0e [ 289.370922][ T7442] RDX: 000000000000000f RSI: 00007f33471560a0 RDI: 0000000000000003 [ 289.370976][ T7442] RBP: 00007f3347156090 R08: 0000000000000000 R09: 0000000000000000 [ 289.371023][ T7442] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 289.371060][ T7442] R13: 00007f33465d6128 R14: 00007f33465d6090 R15: 00007ffedbd5ef18 [ 289.371186][ T7442] [ 289.927911][ T7445] FAULT_INJECTION: forcing a failure. [ 289.927911][ T7445] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 289.927949][ T7445] CPU: 0 UID: 0 PID: 7445 Comm: syz.0.312 Not tainted syzkaller #0 PREEMPT(full) [ 289.927977][ T7445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 289.927992][ T7445] Call Trace: [ 289.928002][ T7445] [ 289.928013][ T7445] dump_stack_lvl+0xe8/0x150 [ 289.928051][ T7445] should_fail_ex+0x410/0x560 [ 289.928085][ T7445] _copy_to_user+0x31/0xb0 [ 289.928119][ T7445] simple_read_from_buffer+0xe1/0x170 [ 289.928159][ T7445] proc_fail_nth_read+0x1bb/0x230 [ 289.928182][ T7445] ? common_file_perm+0x20e/0x2b0 [ 289.928215][ T7445] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 289.928243][ T7445] ? rw_verify_area+0x24a/0x4c0 [ 289.928280][ T7445] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 289.928304][ T7445] vfs_read+0x213/0xa80 [ 289.928343][ T7445] ? __pfx___mutex_lock+0x10/0x10 [ 289.928377][ T7445] ? __pfx_vfs_read+0x10/0x10 [ 289.928411][ T7445] ? __fget_files+0x2a/0x420 [ 289.928454][ T7445] ? __fget_files+0x3a2/0x420 [ 289.928484][ T7445] ? __fget_files+0x2a/0x420 [ 289.928524][ T7445] ksys_read+0x150/0x270 [ 289.928562][ T7445] ? __pfx_ksys_read+0x10/0x10 [ 289.928618][ T7445] do_syscall_64+0x166/0x520 [ 289.928651][ T7445] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 289.928674][ T7445] ? clear_bhb_loop+0x70/0xc0 [ 289.928702][ T7445] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 289.928724][ T7445] RIP: 0033:0x7f98d0d5ac0e [ 289.928746][ T7445] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 289.928766][ T7445] RSP: 002b:00007f98d03dcfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 289.928791][ T7445] RAX: ffffffffffffffda RBX: 00007f98d03dd6c0 RCX: 00007f98d0d5ac0e [ 289.928809][ T7445] RDX: 000000000000000f RSI: 00007f98d03dd0a0 RDI: 0000000000000003 [ 289.928825][ T7445] RBP: 00007f98d03dd090 R08: 0000000000000000 R09: 0000000000000000 [ 289.928840][ T7445] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 289.928854][ T7445] R13: 00007f98d0fd6128 R14: 00007f98d0fd6090 R15: 00007ffc50f6fdd8 [ 289.928891][ T7445] [ 290.319790][ T7454] FAULT_INJECTION: forcing a failure. [ 290.319790][ T7454] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 290.319830][ T7454] CPU: 1 UID: 0 PID: 7454 Comm: syz.1.313 Not tainted syzkaller #0 PREEMPT(full) [ 290.319857][ T7454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 290.319872][ T7454] Call Trace: [ 290.319882][ T7454] [ 290.319892][ T7454] dump_stack_lvl+0xe8/0x150 [ 290.319930][ T7454] should_fail_ex+0x410/0x560 [ 290.319972][ T7454] _copy_to_user+0x31/0xb0 [ 290.320005][ T7454] simple_read_from_buffer+0xe1/0x170 [ 290.320044][ T7454] proc_fail_nth_read+0x1bb/0x230 [ 290.320067][ T7454] ? common_file_perm+0x20e/0x2b0 [ 290.320105][ T7454] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 290.320132][ T7454] ? rw_verify_area+0x24a/0x4c0 [ 290.320168][ T7454] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 290.320191][ T7454] vfs_read+0x213/0xa80 [ 290.320231][ T7454] ? __pfx___mutex_lock+0x10/0x10 [ 290.320267][ T7454] ? __pfx_vfs_read+0x10/0x10 [ 290.320304][ T7454] ? __fget_files+0x2a/0x420 [ 290.320340][ T7454] ? __fget_files+0x3a2/0x420 [ 290.320371][ T7454] ? __fget_files+0x2a/0x420 [ 290.320412][ T7454] ksys_read+0x150/0x270 [ 290.320449][ T7454] ? __pfx_ksys_read+0x10/0x10 [ 290.320493][ T7454] do_syscall_64+0x166/0x520 [ 290.320525][ T7454] ? trace_irq_disable+0x3b/0x140 [ 290.320546][ T7454] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 290.320569][ T7454] ? clear_bhb_loop+0x70/0xc0 [ 290.320598][ T7454] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 290.320622][ T7454] RIP: 0033:0x7fab4895ac0e [ 290.320644][ T7454] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 290.320663][ T7454] RSP: 002b:00007fab47ffdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 290.320688][ T7454] RAX: ffffffffffffffda RBX: 00007fab47ffe6c0 RCX: 00007fab4895ac0e [ 290.320706][ T7454] RDX: 000000000000000f RSI: 00007fab47ffe0a0 RDI: 0000000000000003 [ 290.320721][ T7454] RBP: 00007fab47ffe090 R08: 0000000000000000 R09: 0000000000000000 [ 290.320736][ T7454] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 290.320750][ T7454] R13: 00007fab48bd6128 R14: 00007fab48bd6090 R15: 00007ffc3d691b18 [ 290.320787][ T7454] [ 290.359668][ T7452] FAULT_INJECTION: forcing a failure. [ 290.359668][ T7452] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 290.359762][ T7452] CPU: 0 UID: 0 PID: 7452 Comm: syz.2.314 Not tainted syzkaller #0 PREEMPT(full) [ 290.359837][ T7452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 290.359872][ T7452] Call Trace: [ 290.359902][ T7452] [ 290.359925][ T7452] dump_stack_lvl+0xe8/0x150 [ 290.360026][ T7452] should_fail_ex+0x410/0x560 [ 290.360110][ T7452] _copy_to_user+0x31/0xb0 [ 290.360196][ T7452] simple_read_from_buffer+0xe1/0x170 [ 290.360297][ T7452] proc_fail_nth_read+0x1bb/0x230 [ 290.360352][ T7452] ? common_file_perm+0x20e/0x2b0 [ 290.360438][ T7452] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 290.360504][ T7452] ? rw_verify_area+0x24a/0x4c0 [ 290.360599][ T7452] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 290.360671][ T7452] vfs_read+0x213/0xa80 [ 290.360798][ T7452] ? __pfx___mutex_lock+0x10/0x10 [ 290.360900][ T7452] ? __pfx_vfs_read+0x10/0x10 [ 290.360980][ T7452] ? __fget_files+0x2a/0x420 [ 290.361076][ T7452] ? __fget_files+0x3a2/0x420 [ 290.361152][ T7452] ? __fget_files+0x2a/0x420 [ 290.361258][ T7452] ksys_read+0x150/0x270 [ 290.361354][ T7452] ? __pfx_ksys_read+0x10/0x10 [ 290.361479][ T7452] do_syscall_64+0x166/0x520 [ 290.361566][ T7452] ? trace_irq_disable+0x3b/0x140 [ 290.361622][ T7452] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 290.361694][ T7452] ? clear_bhb_loop+0x70/0xc0 [ 290.361761][ T7452] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 290.361823][ T7452] RIP: 0033:0x7f334635ac0e [ 290.361878][ T7452] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 290.361931][ T7452] RSP: 002b:00007f3347155fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 290.361981][ T7452] RAX: ffffffffffffffda RBX: 00007f33471566c0 RCX: 00007f334635ac0e [ 290.362032][ T7452] RDX: 000000000000000f RSI: 00007f33471560a0 RDI: 0000000000000004 [ 290.362078][ T7452] RBP: 00007f3347156090 R08: 0000000000000000 R09: 0000000000000000 [ 290.362125][ T7452] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 290.362165][ T7452] R13: 00007f33465d6128 R14: 00007f33465d6090 R15: 00007ffedbd5ef18 [ 290.362259][ T7452] [ 290.894409][ T7460] FAULT_INJECTION: forcing a failure. [ 290.894409][ T7460] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 290.894451][ T7460] CPU: 0 UID: 0 PID: 7460 Comm: syz.0.317 Not tainted syzkaller #0 PREEMPT(full) [ 290.894632][ T7460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 290.894650][ T7460] Call Trace: [ 290.894661][ T7460] [ 290.894673][ T7460] dump_stack_lvl+0xe8/0x150 [ 290.894715][ T7460] should_fail_ex+0x410/0x560 [ 290.894750][ T7460] _copy_to_user+0x31/0xb0 [ 290.894787][ T7460] simple_read_from_buffer+0xe1/0x170 [ 290.894829][ T7460] proc_fail_nth_read+0x1bb/0x230 [ 290.894927][ T7460] ? common_file_perm+0x20e/0x2b0 [ 290.895120][ T7460] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 290.895255][ T7460] ? rw_verify_area+0x24a/0x4c0 [ 290.895413][ T7460] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 290.895506][ T7460] vfs_read+0x213/0xa80 [ 290.895711][ T7460] ? __pfx___mutex_lock+0x10/0x10 [ 290.895844][ T7460] ? __pfx_vfs_read+0x10/0x10 [ 290.895982][ T7460] ? __fget_files+0x2a/0x420 [ 290.896103][ T7460] ? __fget_files+0x3a2/0x420 [ 290.896208][ T7460] ? __fget_files+0x2a/0x420 [ 290.896366][ T7460] ksys_read+0x150/0x270 [ 290.896518][ T7460] ? __pfx_ksys_read+0x10/0x10 [ 290.896695][ T7460] do_syscall_64+0x166/0x520 [ 290.896828][ T7460] ? trace_irq_disable+0x3b/0x140 [ 290.896887][ T7460] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 290.896965][ T7460] ? clear_bhb_loop+0x70/0xc0 [ 290.897068][ T7460] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 290.897143][ T7460] RIP: 0033:0x7f98d0d5ac0e [ 290.897214][ T7460] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 290.897284][ T7460] RSP: 002b:00007f98d03dcfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 290.897361][ T7460] RAX: ffffffffffffffda RBX: 00007f98d03dd6c0 RCX: 00007f98d0d5ac0e [ 290.897430][ T7460] RDX: 000000000000000f RSI: 00007f98d03dd0a0 RDI: 0000000000000003 [ 290.897479][ T7460] RBP: 00007f98d03dd090 R08: 0000000000000000 R09: 0000000000000000 [ 290.897527][ T7460] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 290.897567][ T7460] R13: 00007f98d0fd6128 R14: 00007f98d0fd6090 R15: 00007ffc50f6fdd8 [ 290.897683][ T7460] [ 291.283263][ T7462] FAULT_INJECTION: forcing a failure. [ 291.283263][ T7462] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 291.283305][ T7462] CPU: 0 UID: 0 PID: 7462 Comm: syz.3.315 Not tainted syzkaller #0 PREEMPT(full) [ 291.283333][ T7462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 291.283350][ T7462] Call Trace: [ 291.283360][ T7462] [ 291.283372][ T7462] dump_stack_lvl+0xe8/0x150 [ 291.283412][ T7462] should_fail_ex+0x410/0x560 [ 291.283445][ T7462] _copy_to_user+0x31/0xb0 [ 291.283476][ T7462] simple_read_from_buffer+0xe1/0x170 [ 291.283513][ T7462] proc_fail_nth_read+0x1bb/0x230 [ 291.283536][ T7462] ? common_file_perm+0x20e/0x2b0 [ 291.283572][ T7462] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 291.283601][ T7462] ? rw_verify_area+0x24a/0x4c0 [ 291.283640][ T7462] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 291.283665][ T7462] vfs_read+0x213/0xa80 [ 291.283709][ T7462] ? __pfx___mutex_lock+0x10/0x10 [ 291.283748][ T7462] ? __pfx_vfs_read+0x10/0x10 [ 291.283787][ T7462] ? __fget_files+0x2a/0x420 [ 291.283832][ T7462] ? __fget_files+0x3a2/0x420 [ 291.283866][ T7462] ? __fget_files+0x2a/0x420 [ 291.283912][ T7462] ksys_read+0x150/0x270 [ 291.284195][ T7462] ? __pfx_ksys_read+0x10/0x10 [ 291.284265][ T7462] do_syscall_64+0x166/0x520 [ 291.284299][ T7462] ? trace_irq_disable+0x3b/0x140 [ 291.284324][ T7462] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.284347][ T7462] ? clear_bhb_loop+0x70/0xc0 [ 291.284376][ T7462] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.284399][ T7462] RIP: 0033:0x7f85f6b5ac0e [ 291.284419][ T7462] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 291.284435][ T7462] RSP: 002b:00007f85f7a5afe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 291.284456][ T7462] RAX: ffffffffffffffda RBX: 00007f85f7a5b6c0 RCX: 00007f85f6b5ac0e [ 291.284470][ T7462] RDX: 000000000000000f RSI: 00007f85f7a5b0a0 RDI: 0000000000000003 [ 291.284484][ T7462] RBP: 00007f85f7a5b090 R08: 0000000000000000 R09: 0000000000000000 [ 291.284497][ T7462] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 291.284513][ T7462] R13: 00007f85f6dd6128 R14: 00007f85f6dd6090 R15: 00007ffeb91e4de8 [ 291.284551][ T7462] [ 291.586333][ T7465] FAULT_INJECTION: forcing a failure. [ 291.586333][ T7465] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 291.586457][ T7465] CPU: 0 UID: 0 PID: 7465 Comm: syz.4.316 Not tainted syzkaller #0 PREEMPT(full) [ 291.586544][ T7465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 291.586586][ T7465] Call Trace: [ 291.586617][ T7465] [ 291.586640][ T7465] dump_stack_lvl+0xe8/0x150 [ 291.586743][ T7465] should_fail_ex+0x410/0x560 [ 291.586829][ T7465] _copy_to_user+0x31/0xb0 [ 291.586936][ T7465] simple_read_from_buffer+0xe1/0x170 [ 291.587046][ T7465] proc_fail_nth_read+0x1bb/0x230 [ 291.587109][ T7465] ? common_file_perm+0x20e/0x2b0 [ 291.587159][ T7465] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 291.587225][ T7465] ? rw_verify_area+0x24a/0x4c0 [ 291.587321][ T7465] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 291.587385][ T7465] vfs_read+0x213/0xa80 [ 291.587479][ T7465] ? __pfx___mutex_lock+0x10/0x10 [ 291.587576][ T7465] ? __pfx_vfs_read+0x10/0x10 [ 291.587667][ T7465] ? __fget_files+0x2a/0x420 [ 291.587778][ T7465] ? __fget_files+0x3a2/0x420 [ 291.587870][ T7465] ? __fget_files+0x2a/0x420 [ 291.587995][ T7465] ksys_read+0x150/0x270 [ 291.588093][ T7465] ? __pfx_ksys_read+0x10/0x10 [ 291.588211][ T7465] do_syscall_64+0x166/0x520 [ 291.588298][ T7465] ? trace_irq_disable+0x3b/0x140 [ 291.588355][ T7465] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.588394][ T7465] ? clear_bhb_loop+0x70/0xc0 [ 291.588468][ T7465] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.588542][ T7465] RIP: 0033:0x7f376db5ac0e [ 291.588598][ T7465] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 291.588659][ T7465] RSP: 002b:00007f376e98ffe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 291.588724][ T7465] RAX: ffffffffffffffda RBX: 00007f376e9906c0 RCX: 00007f376db5ac0e [ 291.588762][ T7465] RDX: 000000000000000f RSI: 00007f376e9900a0 RDI: 0000000000000003 [ 291.588804][ T7465] RBP: 00007f376e990090 R08: 0000000000000000 R09: 0000000000000000 [ 291.588846][ T7465] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 291.588880][ T7465] R13: 00007f376ddd6128 R14: 00007f376ddd6090 R15: 00007ffc7f6ab4a8 [ 291.588993][ T7465] [ 292.151983][ T7469] FAULT_INJECTION: forcing a failure. [ 292.151983][ T7469] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 292.152045][ T7469] CPU: 0 UID: 0 PID: 7469 Comm: syz.1.319 Not tainted syzkaller #0 PREEMPT(full) [ 292.152072][ T7469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 292.152492][ T7469] Call Trace: [ 292.152515][ T7469] [ 292.152527][ T7469] dump_stack_lvl+0xe8/0x150 [ 292.152718][ T7469] should_fail_ex+0x410/0x560 [ 292.152760][ T7469] _copy_to_user+0x31/0xb0 [ 292.152795][ T7469] simple_read_from_buffer+0xe1/0x170 [ 292.152835][ T7469] proc_fail_nth_read+0x1bb/0x230 [ 292.152856][ T7469] ? common_file_perm+0x20e/0x2b0 [ 292.152889][ T7469] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 292.152923][ T7469] ? rw_verify_area+0x24a/0x4c0 [ 292.152956][ T7469] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 292.152975][ T7469] vfs_read+0x213/0xa80 [ 292.153011][ T7469] ? __pfx___mutex_lock+0x10/0x10 [ 292.153290][ T7469] ? __pfx_vfs_read+0x10/0x10 [ 292.153334][ T7469] ? __fget_files+0x2a/0x420 [ 292.153365][ T7469] ? __fget_files+0x3a2/0x420 [ 292.153389][ T7469] ? __fget_files+0x2a/0x420 [ 292.153423][ T7469] ksys_read+0x150/0x270 [ 292.153455][ T7469] ? __pfx_ksys_read+0x10/0x10 [ 292.153495][ T7469] do_syscall_64+0x166/0x520 [ 292.153525][ T7469] ? trace_irq_disable+0x3b/0x140 [ 292.153547][ T7469] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 292.153569][ T7469] ? clear_bhb_loop+0x70/0xc0 [ 292.153609][ T7469] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 292.153631][ T7469] RIP: 0033:0x7fab4895ac0e [ 292.153652][ T7469] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 292.153670][ T7469] RSP: 002b:00007fab47ffdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 292.153692][ T7469] RAX: ffffffffffffffda RBX: 00007fab47ffe6c0 RCX: 00007fab4895ac0e [ 292.153706][ T7469] RDX: 000000000000000f RSI: 00007fab47ffe0a0 RDI: 0000000000000003 [ 292.153720][ T7469] RBP: 00007fab47ffe090 R08: 0000000000000000 R09: 0000000000000000 [ 292.153733][ T7469] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 292.153746][ T7469] R13: 00007fab48bd6128 R14: 00007fab48bd6090 R15: 00007ffc3d691b18 [ 292.153950][ T7469] [ 292.549994][ T7474] FAULT_INJECTION: forcing a failure. [ 292.549994][ T7474] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 292.550088][ T7474] CPU: 0 UID: 0 PID: 7474 Comm: syz.0.320 Not tainted syzkaller #0 PREEMPT(full) [ 292.550116][ T7474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 292.550113][ T7473] FAULT_INJECTION: forcing a failure. [ 292.550113][ T7473] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 292.550131][ T7474] Call Trace: [ 292.550141][ T7474] [ 292.550150][ T7474] dump_stack_lvl+0xe8/0x150 [ 292.550181][ T7474] should_fail_ex+0x410/0x560 [ 292.550209][ T7474] _copy_to_user+0x31/0xb0 [ 292.550237][ T7474] simple_read_from_buffer+0xe1/0x170 [ 292.550271][ T7474] proc_fail_nth_read+0x1bb/0x230 [ 292.550447][ T7474] ? common_file_perm+0x20e/0x2b0 [ 292.550521][ T7474] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 292.550572][ T7474] ? rw_verify_area+0x24a/0x4c0 [ 292.550617][ T7474] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 292.550637][ T7474] vfs_read+0x213/0xa80 [ 292.550672][ T7474] ? __pfx___mutex_lock+0x10/0x10 [ 292.550717][ T7474] ? __pfx_vfs_read+0x10/0x10 [ 292.550872][ T7474] ? __fget_files+0x2a/0x420 [ 292.550982][ T7474] ? __fget_files+0x3a2/0x420 [ 292.551322][ T7474] ? __fget_files+0x2a/0x420 [ 292.551362][ T7474] ksys_read+0x150/0x270 [ 292.551396][ T7474] ? __pfx_ksys_read+0x10/0x10 [ 292.551434][ T7474] do_syscall_64+0x166/0x520 [ 292.551462][ T7474] ? trace_irq_disable+0x3b/0x140 [ 292.551492][ T7474] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 292.551520][ T7474] ? clear_bhb_loop+0x70/0xc0 [ 292.551546][ T7474] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 292.551569][ T7474] RIP: 0033:0x7f98d0d5ac0e [ 292.551591][ T7474] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 292.551610][ T7474] RSP: 002b:00007f98d03fdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 292.551636][ T7474] RAX: ffffffffffffffda RBX: 00007f98d03fe6c0 RCX: 00007f98d0d5ac0e [ 292.551654][ T7474] RDX: 000000000000000f RSI: 00007f98d03fe0a0 RDI: 0000000000000005 [ 292.551669][ T7474] RBP: 00007f98d03fe090 R08: 0000000000000000 R09: 0000000000000000 [ 292.551684][ T7474] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 292.551699][ T7474] R13: 00007f98d0fd6038 R14: 00007f98d0fd5fa0 R15: 00007ffc50f6fdd8 [ 292.551736][ T7474] [ 292.606680][ T7473] CPU: 1 UID: 0 PID: 7473 Comm: syz.2.318 Not tainted syzkaller #0 PREEMPT(full) [ 292.606777][ T7473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 292.606799][ T7473] Call Trace: [ 292.606810][ T7473] [ 292.606850][ T7473] dump_stack_lvl+0xe8/0x150 [ 292.606959][ T7473] should_fail_ex+0x410/0x560 [ 292.607058][ T7473] _copy_to_user+0x31/0xb0 [ 292.607125][ T7473] simple_read_from_buffer+0xe1/0x170 [ 292.607234][ T7473] proc_fail_nth_read+0x1bb/0x230 [ 292.607488][ T7473] ? common_file_perm+0x20e/0x2b0 [ 292.607529][ T7473] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 292.607556][ T7473] ? rw_verify_area+0x24a/0x4c0 [ 292.607590][ T7473] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 292.607611][ T7473] vfs_read+0x213/0xa80 [ 292.607650][ T7473] ? __pfx___mutex_lock+0x10/0x10 [ 292.607684][ T7473] ? __pfx_vfs_read+0x10/0x10 [ 292.607718][ T7473] ? __fget_files+0x2a/0x420 [ 292.607754][ T7473] ? __fget_files+0x3a2/0x420 [ 292.607783][ T7473] ? __fget_files+0x2a/0x420 [ 292.607824][ T7473] ksys_read+0x150/0x270 [ 292.608246][ T7473] ? __pfx_ksys_read+0x10/0x10 [ 292.608393][ T7473] do_syscall_64+0x166/0x520 [ 292.608705][ T7473] ? trace_irq_disable+0x3b/0x140 [ 292.608771][ T7473] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 292.608848][ T7473] ? clear_bhb_loop+0x70/0xc0 [ 292.608932][ T7473] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 292.609022][ T7473] RIP: 0033:0x7f334635ac0e [ 292.609088][ T7473] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 292.609128][ T7473] RSP: 002b:00007f3347155fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 292.609240][ T7473] RAX: ffffffffffffffda RBX: 00007f33471566c0 RCX: 00007f334635ac0e [ 292.609284][ T7473] RDX: 000000000000000f RSI: 00007f33471560a0 RDI: 0000000000000003 [ 292.609326][ T7473] RBP: 00007f3347156090 R08: 0000000000000000 R09: 0000000000000000 [ 292.609381][ T7473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 292.609428][ T7473] R13: 00007f33465d6128 R14: 00007f33465d6090 R15: 00007ffedbd5ef18 [ 292.609549][ T7473] [ 293.300379][ T7477] FAULT_INJECTION: forcing a failure. [ 293.300379][ T7477] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 293.300422][ T7477] CPU: 1 UID: 0 PID: 7477 Comm: syz.4.321 Not tainted syzkaller #0 PREEMPT(full) [ 293.300452][ T7477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 293.300469][ T7477] Call Trace: [ 293.300479][ T7477] [ 293.300492][ T7477] dump_stack_lvl+0xe8/0x150 [ 293.300533][ T7477] should_fail_ex+0x410/0x560 [ 293.300571][ T7477] _copy_to_user+0x31/0xb0 [ 293.300607][ T7477] simple_read_from_buffer+0xe1/0x170 [ 293.300663][ T7477] proc_fail_nth_read+0x1bb/0x230 [ 293.300697][ T7477] ? common_file_perm+0x20e/0x2b0 [ 293.300734][ T7477] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 293.300765][ T7477] ? rw_verify_area+0x24a/0x4c0 [ 293.300806][ T7477] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 293.300832][ T7477] vfs_read+0x213/0xa80 [ 293.300877][ T7477] ? __pfx___mutex_lock+0x10/0x10 [ 293.300953][ T7477] ? __pfx_vfs_read+0x10/0x10 [ 293.301006][ T7477] ? __fget_files+0x2a/0x420 [ 293.301046][ T7477] ? __fget_files+0x3a2/0x420 [ 293.301080][ T7477] ? __fget_files+0x2a/0x420 [ 293.301126][ T7477] ksys_read+0x150/0x270 [ 293.301166][ T7477] ? __pfx_ksys_read+0x10/0x10 [ 293.301219][ T7477] do_syscall_64+0x166/0x520 [ 293.301256][ T7477] ? trace_irq_disable+0x3b/0x140 [ 293.301283][ T7477] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 293.301310][ T7477] ? clear_bhb_loop+0x70/0xc0 [ 293.301343][ T7477] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 293.301369][ T7477] RIP: 0033:0x7f376db5ac0e [ 293.301394][ T7477] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 293.301417][ T7477] RSP: 002b:00007f376e98ffe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 293.301444][ T7477] RAX: ffffffffffffffda RBX: 00007f376e9906c0 RCX: 00007f376db5ac0e [ 293.301464][ T7477] RDX: 000000000000000f RSI: 00007f376e9900a0 RDI: 0000000000000004 [ 293.301482][ T7477] RBP: 00007f376e990090 R08: 0000000000000000 R09: 0000000000000000 [ 293.301499][ T7477] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 293.301516][ T7477] R13: 00007f376ddd6128 R14: 00007f376ddd6090 R15: 00007ffc7f6ab4a8 [ 293.301559][ T7477] [ 293.708784][ T7482] FAULT_INJECTION: forcing a failure. [ 293.708784][ T7482] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 293.708825][ T7482] CPU: 0 UID: 0 PID: 7482 Comm: syz.1.323 Not tainted syzkaller #0 PREEMPT(full) [ 293.708851][ T7482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 293.708866][ T7482] Call Trace: [ 293.708876][ T7482] [ 293.708887][ T7482] dump_stack_lvl+0xe8/0x150 [ 293.708926][ T7482] should_fail_ex+0x410/0x560 [ 293.708961][ T7482] strncpy_from_user+0x36/0x2c0 [ 293.708993][ T7482] strncpy_from_user_nofault+0x71/0x150 [ 293.709033][ T7482] bpf_probe_read_compat_str+0xe1/0x180 [ 293.709069][ T7482] bpf_prog_90df569eec4aaf11+0x70/0x76 [ 293.709093][ T7482] ? kmem_cache_alloc_noprof+0x156/0x600 [ 293.709143][ T7482] ? lock_acquire+0x115/0x350 [ 293.709187][ T7482] bpf_trace_run2+0x56a/0xd30 [ 293.709220][ T7482] ? __pfx_bpf_trace_run2+0x10/0x10 [ 293.709245][ T7482] ? kmem_cache_alloc_noprof+0x156/0x600 [ 293.709282][ T7482] ? __bpf_trace_tlb_flush+0xfc/0x170 [ 293.709317][ T7482] __bpf_trace_tlb_flush+0x11d/0x170 [ 293.709350][ T7482] ? __pfx___bpf_trace_tlb_flush+0x10/0x10 [ 293.709383][ T7482] ? do_raw_spin_lock+0x12b/0x2f0 [ 293.709418][ T7482] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 293.709458][ T7482] trace_tlb_flush+0x132/0x160 [ 293.709491][ T7482] switch_mm_irqs_off+0x458/0x680 [ 293.709526][ T7482] use_temporary_mm+0x96/0x140 [ 293.709555][ T7482] __text_poke+0x68d/0xa60 [ 293.709588][ T7482] ? __pfx_text_poke_memcpy+0x10/0x10 [ 293.709617][ T7482] ? __seccomp_filter+0x547/0x1de0 [ 293.709644][ T7482] ? __pfx___text_poke+0x10/0x10 [ 293.709681][ T7482] smp_text_poke_batch_finish+0x3c8/0x1110 [ 293.709712][ T7482] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 293.709754][ T7482] ? __pfx___mutex_lock+0x10/0x10 [ 293.709789][ T7482] ? __pfx_smp_text_poke_batch_finish+0x10/0x10 [ 293.709825][ T7482] ? arch_jump_label_transform_queue+0x97/0x110 [ 293.709862][ T7482] ? __jump_label_update+0x347/0x370 [ 293.709895][ T7482] arch_jump_label_transform_apply+0x1c/0x30 [ 293.709927][ T7482] static_key_slow_inc_cpuslocked+0x80/0xf0 [ 293.709952][ T7482] static_key_slow_inc+0x1a/0x30 [ 293.709977][ T7482] bpf_enable_stats+0x101/0x140 [ 293.710008][ T7482] __sys_bpf+0xb34/0xd90 [ 293.710045][ T7482] ? __pfx___sys_bpf+0x10/0x10 [ 293.710081][ T7482] ? __fget_files+0x2a/0x420 [ 293.710154][ T7482] ? ksys_write+0x242/0x270 [ 293.710193][ T7482] ? __pfx_ksys_write+0x10/0x10 [ 293.710234][ T7482] __x64_sys_bpf+0xba/0xd0 [ 293.710262][ T7482] do_syscall_64+0x166/0x520 [ 293.710294][ T7482] ? trace_irq_disable+0x3b/0x140 [ 293.710318][ T7482] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 293.710343][ T7482] ? clear_bhb_loop+0x70/0xc0 [ 293.710371][ T7482] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 293.710393][ T7482] RIP: 0033:0x7fab4899a339 [ 293.710413][ T7482] Code: Unable to access opcode bytes at 0x7fab4899a30f. [ 293.710425][ T7482] RSP: 002b:00007fab49736028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 293.710575][ T7482] RAX: ffffffffffffffda RBX: 00007fab48bd5fa0 RCX: 00007fab4899a339 [ 293.710593][ T7482] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 293.710608][ T7482] RBP: 00007fab49736090 R08: 0000000000000000 R09: 0000000000000000 [ 293.710623][ T7482] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 293.710637][ T7482] R13: 00007fab48bd6038 R14: 00007fab48bd5fa0 R15: 00007ffc3d691b18 [ 293.710676][ T7482] [ 293.719143][ T7478] FAULT_INJECTION: forcing a failure. [ 293.719143][ T7478] name failslab, interval 1, probability 0, space 0, times 0 [ 293.719183][ T7478] CPU: 1 UID: 0 PID: 7478 Comm: syz.3.322 Not tainted syzkaller #0 PREEMPT(full) [ 293.719209][ T7478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 293.719226][ T7478] Call Trace: [ 293.719235][ T7478] [ 293.719245][ T7478] dump_stack_lvl+0xe8/0x150 [ 293.719282][ T7478] should_fail_ex+0x410/0x560 [ 293.719313][ T7478] should_failslab+0xa8/0x100 [ 293.719340][ T7478] ? security_file_alloc+0x34/0x310 [ 293.719362][ T7478] kmem_cache_alloc_noprof+0xa1/0x600 [ 293.719397][ T7478] ? rcu_is_watching+0x16/0xb0 [ 293.719426][ T7478] ? security_file_alloc+0x34/0x310 [ 293.719455][ T7478] security_file_alloc+0x34/0x310 [ 293.719480][ T7478] init_file+0x90/0x2b0 [ 293.719556][ T7478] alloc_empty_file+0x74/0x1d0 [ 293.719662][ T7478] alloc_file_pseudo+0x115/0x1e0 [ 293.719856][ T7478] ? __pfx_alloc_file_pseudo+0x10/0x10 [ 293.720084][ T7478] anon_inode_getfd+0xc8/0x1f0 [ 293.720260][ T7478] bpf_enable_stats+0xdc/0x140 [ 293.720340][ T7478] __sys_bpf+0xb34/0xd90 [ 293.720435][ T7478] ? __pfx___sys_bpf+0x10/0x10 [ 293.720558][ T7478] ? __fget_files+0x2a/0x420 [ 293.720693][ T7478] ? ksys_write+0x242/0x270 [ 293.720803][ T7478] ? __pfx_ksys_write+0x10/0x10 [ 293.720910][ T7478] __x64_sys_bpf+0xba/0xd0 [ 293.720980][ T7478] do_syscall_64+0x166/0x520 [ 293.721077][ T7478] ? trace_irq_disable+0x3b/0x140 [ 293.721142][ T7478] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 293.721194][ T7478] ? clear_bhb_loop+0x70/0xc0 [ 293.721251][ T7478] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 293.721318][ T7478] RIP: 0033:0x7f85f6b9a339 [ 293.721385][ T7478] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 293.721443][ T7478] RSP: 002b:00007f85f7a7c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 293.721509][ T7478] RAX: ffffffffffffffda RBX: 00007f85f6dd5fa0 RCX: 00007f85f6b9a339 [ 293.721561][ T7478] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 293.721596][ T7478] RBP: 00007f85f7a7c090 R08: 0000000000000000 R09: 0000000000000000 [ 293.721638][ T7478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 293.721681][ T7478] R13: 00007f85f6dd6038 R14: 00007f85f6dd5fa0 R15: 00007ffeb91e4de8 [ 293.721809][ T7478] [ 294.461195][ T7489] FAULT_INJECTION: forcing a failure. [ 294.461195][ T7489] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 294.461234][ T7489] CPU: 1 UID: 0 PID: 7489 Comm: syz.0.324 Not tainted syzkaller #0 PREEMPT(full) [ 294.461261][ T7489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 294.461276][ T7489] Call Trace: [ 294.461286][ T7489] [ 294.461297][ T7489] dump_stack_lvl+0xe8/0x150 [ 294.461335][ T7489] should_fail_ex+0x410/0x560 [ 294.461368][ T7489] _copy_to_user+0x31/0xb0 [ 294.461401][ T7489] simple_read_from_buffer+0xe1/0x170 [ 294.461439][ T7489] proc_fail_nth_read+0x1bb/0x230 [ 294.461460][ T7489] ? common_file_perm+0x20e/0x2b0 [ 294.461493][ T7489] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 294.461521][ T7489] ? rw_verify_area+0x24a/0x4c0 [ 294.461566][ T7489] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 294.461589][ T7489] vfs_read+0x213/0xa80 [ 294.461629][ T7489] ? __pfx___mutex_lock+0x10/0x10 [ 294.461668][ T7489] ? __pfx_vfs_read+0x10/0x10 [ 294.461703][ T7489] ? __fget_files+0x2a/0x420 [ 294.461742][ T7489] ? __fget_files+0x3a2/0x420 [ 294.461779][ T7489] ? __fget_files+0x2a/0x420 [ 294.461822][ T7489] ksys_read+0x150/0x270 [ 294.461858][ T7489] ? __pfx_ksys_read+0x10/0x10 [ 294.461903][ T7489] do_syscall_64+0x166/0x520 [ 294.461934][ T7489] ? trace_irq_disable+0x3b/0x140 [ 294.461957][ T7489] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 294.461979][ T7489] ? clear_bhb_loop+0x70/0xc0 [ 294.462008][ T7489] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 294.462031][ T7489] RIP: 0033:0x7f98d0d5ac0e [ 294.462053][ T7489] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 294.462074][ T7489] RSP: 002b:00007f98d03dcfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 294.462099][ T7489] RAX: ffffffffffffffda RBX: 00007f98d03dd6c0 RCX: 00007f98d0d5ac0e [ 294.462116][ T7489] RDX: 000000000000000f RSI: 00007f98d03dd0a0 RDI: 0000000000000003 [ 294.462132][ T7489] RBP: 00007f98d03dd090 R08: 0000000000000000 R09: 0000000000000000 [ 294.462148][ T7489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 294.462162][ T7489] R13: 00007f98d0fd6128 R14: 00007f98d0fd6090 R15: 00007ffc50f6fdd8 [ 294.462199][ T7489] [ 294.483999][ T7490] FAULT_INJECTION: forcing a failure. [ 294.483999][ T7490] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 294.484088][ T7490] CPU: 1 UID: 0 PID: 7490 Comm: syz.2.325 Not tainted syzkaller #0 PREEMPT(full) [ 294.484156][ T7490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 294.484198][ T7490] Call Trace: [ 294.484227][ T7490] [ 294.484258][ T7490] dump_stack_lvl+0xe8/0x150 [ 294.484364][ T7490] should_fail_ex+0x410/0x560 [ 294.484450][ T7490] _copy_to_user+0x31/0xb0 [ 294.484536][ T7490] simple_read_from_buffer+0xe1/0x170 [ 294.484635][ T7490] proc_fail_nth_read+0x1bb/0x230 [ 294.484700][ T7490] ? common_file_perm+0x20e/0x2b0 [ 294.484785][ T7490] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 294.484851][ T7490] ? rw_verify_area+0x24a/0x4c0 [ 294.484946][ T7490] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 294.485009][ T7490] vfs_read+0x213/0xa80 [ 294.485109][ T7490] ? __pfx___mutex_lock+0x10/0x10 [ 294.485194][ T7490] ? __pfx_vfs_read+0x10/0x10 [ 294.485290][ T7490] ? __fget_files+0x2a/0x420 [ 294.485379][ T7490] ? __fget_files+0x3a2/0x420 [ 294.485462][ T7490] ? __fget_files+0x2a/0x420 2026/10/04 15:59:53 executed programs: 321 [ 294.485561][ T7490] ksys_read+0x150/0x270 [ 294.485699][ T7490] ? __pfx_ksys_read+0x10/0x10 [ 294.485842][ T7490] do_syscall_64+0x166/0x520 [ 294.485930][ T7490] ? trace_irq_disable+0x3b/0x140 [ 294.485993][ T7490] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 294.486050][ T7490] ? clear_bhb_loop+0x70/0xc0 [ 294.486127][ T7490] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 294.486188][ T7490] RIP: 0033:0x7f334635ac0e [ 294.486243][ T7490] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 294.486296][ T7490] RSP: 002b:00007f3347155fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 294.486360][ T7490] RAX: ffffffffffffffda RBX: 00007f33471566c0 RCX: 00007f334635ac0e [ 294.486412][ T7490] RDX: 000000000000000f RSI: 00007f33471560a0 RDI: 0000000000000003 [ 294.486447][ T7490] RBP: 00007f3347156090 R08: 0000000000000000 R09: 0000000000000000 [ 294.486482][ T7490] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 294.486522][ T7490] R13: 00007f33465d6128 R14: 00007f33465d6090 R15: 00007ffedbd5ef18 [ 294.486620][ T7490] [ 294.837538][ T6224] Bluetooth: hci1: command 0x0406 tx timeout [ 294.837650][ T6224] Bluetooth: hci2: command 0x0406 tx timeout [ 294.837698][ T6224] Bluetooth: hci4: command 0x0406 tx timeout [ 294.847115][ T6222] Bluetooth: hci5: command 0x0406 tx timeout [ 294.847265][ T6222] Bluetooth: hci3: command 0x0406 tx timeout [ 295.118161][ T7493] FAULT_INJECTION: forcing a failure. [ 295.118161][ T7493] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 295.118198][ T7493] CPU: 0 UID: 0 PID: 7493 Comm: syz.4.326 Not tainted syzkaller #0 PREEMPT(full) [ 295.118225][ T7493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 295.118240][ T7493] Call Trace: [ 295.118250][ T7493] [ 295.118261][ T7493] dump_stack_lvl+0xe8/0x150 [ 295.118298][ T7493] should_fail_ex+0x410/0x560 [ 295.118331][ T7493] _copy_to_user+0x31/0xb0 [ 295.118363][ T7493] simple_read_from_buffer+0xe1/0x170 [ 295.118394][ T7493] proc_fail_nth_read+0x1bb/0x230 [ 295.118411][ T7493] ? common_file_perm+0x20e/0x2b0 [ 295.118437][ T7493] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 295.118458][ T7493] ? rw_verify_area+0x24a/0x4c0 [ 295.118487][ T7493] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 295.118504][ T7493] vfs_read+0x213/0xa80 [ 295.118535][ T7493] ? __pfx___mutex_lock+0x10/0x10 [ 295.118564][ T7493] ? __pfx_vfs_read+0x10/0x10 [ 295.118591][ T7493] ? __fget_files+0x2a/0x420 [ 295.118620][ T7493] ? __fget_files+0x3a2/0x420 [ 295.118798][ T7493] ? __fget_files+0x2a/0x420 [ 295.118859][ T7493] ksys_read+0x150/0x270 [ 295.118895][ T7493] ? __pfx_ksys_read+0x10/0x10 [ 295.118955][ T7493] do_syscall_64+0x166/0x520 [ 295.118988][ T7493] ? trace_irq_disable+0x3b/0x140 [ 295.119010][ T7493] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 295.119034][ T7493] ? clear_bhb_loop+0x70/0xc0 [ 295.119061][ T7493] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 295.119084][ T7493] RIP: 0033:0x7f376db5ac0e [ 295.119106][ T7493] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 295.119126][ T7493] RSP: 002b:00007f376e98ffe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 295.119150][ T7493] RAX: ffffffffffffffda RBX: 00007f376e9906c0 RCX: 00007f376db5ac0e [ 295.119167][ T7493] RDX: 000000000000000f RSI: 00007f376e9900a0 RDI: 0000000000000003 [ 295.119181][ T7493] RBP: 00007f376e990090 R08: 0000000000000000 R09: 0000000000000000 [ 295.119195][ T7493] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 295.119207][ T7493] R13: 00007f376ddd6128 R14: 00007f376ddd6090 R15: 00007ffc7f6ab4a8 [ 295.119242][ T7493] [ 295.362682][ T7496] FAULT_INJECTION: forcing a failure. [ 295.362682][ T7496] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 295.362718][ T7496] CPU: 1 UID: 0 PID: 7496 Comm: syz.1.327 Not tainted syzkaller #0 PREEMPT(full) [ 295.362738][ T7496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 295.362749][ T7496] Call Trace: [ 295.362757][ T7496] [ 295.362764][ T7496] dump_stack_lvl+0xe8/0x150 [ 295.362797][ T7496] should_fail_ex+0x410/0x560 [ 295.362824][ T7496] _copy_to_user+0x31/0xb0 [ 295.362850][ T7496] simple_read_from_buffer+0xe1/0x170 [ 295.362882][ T7496] proc_fail_nth_read+0x1bb/0x230 [ 295.362900][ T7496] ? common_file_perm+0x20e/0x2b0 [ 295.362926][ T7496] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 295.362947][ T7496] ? rw_verify_area+0x24a/0x4c0 [ 295.362976][ T7496] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 295.363007][ T7496] vfs_read+0x213/0xa80 [ 295.363040][ T7496] ? __pfx___mutex_lock+0x10/0x10 [ 295.363068][ T7496] ? __pfx_vfs_read+0x10/0x10 [ 295.363096][ T7496] ? __fget_files+0x2a/0x420 [ 295.363126][ T7496] ? __fget_files+0x3a2/0x420 [ 295.363149][ T7496] ? __fget_files+0x2a/0x420 [ 295.363182][ T7496] ksys_read+0x150/0x270 [ 295.363212][ T7496] ? __pfx_ksys_read+0x10/0x10 [ 295.363252][ T7496] do_syscall_64+0x166/0x520 [ 295.363282][ T7496] ? trace_irq_disable+0x3b/0x140 [ 295.363302][ T7496] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 295.363323][ T7496] ? clear_bhb_loop+0x70/0xc0 [ 295.363347][ T7496] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 295.363369][ T7496] RIP: 0033:0x7fab4895ac0e [ 295.363390][ T7496] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 295.363411][ T7496] RSP: 002b:00007fab47ffdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 295.363499][ T7496] RAX: ffffffffffffffda RBX: 00007fab47ffe6c0 RCX: 00007fab4895ac0e [ 295.363549][ T7496] RDX: 000000000000000f RSI: 00007fab47ffe0a0 RDI: 0000000000000003 [ 295.363584][ T7496] RBP: 00007fab47ffe090 R08: 0000000000000000 R09: 0000000000000000 [ 295.363613][ T7496] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 295.363663][ T7496] R13: 00007fab48bd6128 R14: 00007fab48bd6090 R15: 00007ffc3d691b18 [ 295.363754][ T7496] [ 295.849357][ T7502] FAULT_INJECTION: forcing a failure. [ 295.849357][ T7502] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 295.849395][ T7502] CPU: 1 UID: 0 PID: 7502 Comm: syz.3.329 Not tainted syzkaller #0 PREEMPT(full) [ 295.849421][ T7502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 295.849435][ T7502] Call Trace: [ 295.849445][ T7502] [ 295.849456][ T7502] dump_stack_lvl+0xe8/0x150 [ 295.849495][ T7502] should_fail_ex+0x410/0x560 [ 295.849537][ T7502] strncpy_from_user+0x36/0x2c0 [ 295.849577][ T7502] strncpy_from_user_nofault+0x71/0x150 [ 295.849642][ T7502] bpf_probe_read_compat_str+0xe1/0x180 [ 295.849681][ T7502] bpf_prog_90df569eec4aaf11+0x70/0x76 [ 295.849713][ T7502] ? lock_acquire+0x115/0x350 [ 295.849745][ T7502] ? unwind_get_return_address+0x4d/0x90 [ 295.849786][ T7502] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 295.849811][ T7502] ? arch_stack_walk+0xfb/0x150 [ 295.849850][ T7502] bpf_trace_run2+0x56a/0xd30 [ 295.849889][ T7502] ? __pfx_bpf_trace_run2+0x10/0x10 [ 295.849932][ T7502] ? __bpf_trace_tlb_flush+0xfc/0x170 [ 295.849985][ T7502] __bpf_trace_tlb_flush+0x11d/0x170 [ 295.850014][ T7502] ? insn_get_prefixes+0xde9/0x1cc0 [ 295.850059][ T7502] ? __pfx___bpf_trace_tlb_flush+0x10/0x10 [ 295.850105][ T7502] ? do_raw_spin_lock+0x12b/0x2f0 [ 295.850170][ T7502] ? __pfx___bpf_trace_tlb_flush+0x10/0x10 [ 295.850230][ T7502] __traceiter_tlb_flush+0x79/0xd0 [ 295.850272][ T7502] trace_tlb_flush+0x132/0x160 [ 295.850313][ T7502] switch_mm_irqs_off+0x458/0x680 [ 295.850352][ T7502] use_temporary_mm+0x96/0x140 [ 295.850384][ T7502] __text_poke+0x68d/0xa60 [ 295.850418][ T7502] ? __pfx_text_poke_memcpy+0x10/0x10 [ 295.850479][ T7502] ? __seccomp_filter+0x547/0x1de0 [ 295.850508][ T7502] ? __pfx___text_poke+0x10/0x10 [ 295.850547][ T7502] smp_text_poke_batch_finish+0x3c8/0x1110 [ 295.850615][ T7502] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 295.850655][ T7502] ? __pfx___mutex_lock+0x10/0x10 [ 295.850703][ T7502] ? __pfx_smp_text_poke_batch_finish+0x10/0x10 [ 295.850741][ T7502] ? arch_jump_label_transform_queue+0x97/0x110 [ 295.850782][ T7502] ? __jump_label_update+0x347/0x370 [ 295.850839][ T7502] arch_jump_label_transform_apply+0x1c/0x30 [ 295.850872][ T7502] static_key_slow_inc_cpuslocked+0x80/0xf0 [ 295.850898][ T7502] static_key_slow_inc+0x1a/0x30 [ 295.850920][ T7502] bpf_enable_stats+0x101/0x140 [ 295.850949][ T7502] __sys_bpf+0xb34/0xd90 [ 295.850986][ T7502] ? __pfx___sys_bpf+0x10/0x10 [ 295.851037][ T7502] ? __fget_files+0x2a/0x420 [ 295.851092][ T7502] ? ksys_write+0x242/0x270 [ 295.851132][ T7502] ? __pfx_ksys_write+0x10/0x10 [ 295.851172][ T7502] __x64_sys_bpf+0xba/0xd0 [ 295.851198][ T7502] do_syscall_64+0x166/0x520 [ 295.851230][ T7502] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 295.851253][ T7502] ? clear_bhb_loop+0x70/0xc0 [ 295.851282][ T7502] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 295.851316][ T7502] RIP: 0033:0x7f85f6b9a339 [ 295.851338][ T7502] Code: Unable to access opcode bytes at 0x7f85f6b9a30f. [ 295.851349][ T7502] RSP: 002b:00007f85f7a7c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 295.851374][ T7502] RAX: ffffffffffffffda RBX: 00007f85f6dd5fa0 RCX: 00007f85f6b9a339 [ 295.851392][ T7502] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 295.851406][ T7502] RBP: 00007f85f7a7c090 R08: 0000000000000000 R09: 0000000000000000 [ 295.851422][ T7502] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 295.851437][ T7502] R13: 00007f85f6dd6038 R14: 00007f85f6dd5fa0 R15: 00007ffeb91e4de8 [ 295.851477][ T7502] [ 296.499577][ T7501] FAULT_INJECTION: forcing a failure. [ 296.499577][ T7501] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 296.499607][ T7501] CPU: 1 UID: 0 PID: 7501 Comm: syz.0.328 Not tainted syzkaller #0 PREEMPT(full) [ 296.499626][ T7501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 296.499637][ T7501] Call Trace: [ 296.499644][ T7501] [ 296.499652][ T7501] dump_stack_lvl+0xe8/0x150 [ 296.499680][ T7501] should_fail_ex+0x410/0x560 [ 296.499704][ T7501] strncpy_from_user+0x36/0x2c0 [ 296.499725][ T7501] strncpy_from_user_nofault+0x71/0x150 [ 296.499754][ T7501] bpf_probe_read_compat_str+0xe1/0x180 [ 296.499788][ T7501] bpf_prog_90df569eec4aaf11+0x70/0x76 [ 296.499810][ T7501] ? lock_acquire+0x115/0x350 [ 296.499838][ T7501] ? kvm_sched_clock_read+0x11/0x20 [ 296.499861][ T7501] ? sched_clock+0x41/0x60 [ 296.499883][ T7501] bpf_trace_run2+0xc55/0xd30 [ 296.499905][ T7501] ? __pfx_bpf_trace_run2+0x10/0x10 [ 296.499927][ T7501] ? __bpf_trace_tlb_flush+0xfc/0x170 [ 296.499954][ T7501] __bpf_trace_tlb_flush+0x11d/0x170 [ 296.499975][ T7501] ? update_cfs_rq_load_avg+0x426/0x4e0 [ 296.500047][ T7501] ? __pfx___bpf_trace_tlb_flush+0x10/0x10 [ 296.500090][ T7501] ? trace_save_cmdline+0x350/0x500 [ 296.500131][ T7501] ? __pfx___bpf_trace_tlb_flush+0x10/0x10 [ 296.500160][ T7501] __traceiter_tlb_flush+0x79/0xd0 [ 296.500195][ T7501] trace_tlb_flush+0x132/0x160 [ 296.500221][ T7501] switch_mm_irqs_off+0x458/0x680 [ 296.500248][ T7501] __schedule+0x11f5/0x58f0 [ 296.500292][ T7501] ? __pfx___schedule+0x10/0x10 [ 296.500321][ T7501] ? schedule+0x90/0x2b0 [ 296.500345][ T7501] schedule+0x164/0x2b0 [ 296.500369][ T7501] schedule_preempt_disabled+0x13/0x30 [ 296.500391][ T7501] __mutex_lock+0x7c1/0x1550 [ 296.500414][ T7501] ? kstrtoull+0x137/0x1d0 [ 296.500432][ T7501] ? __mutex_lock+0x5d4/0x1550 [ 296.500482][ T7501] ? bpf_enable_stats+0x94/0x140 [ 296.500516][ T7501] ? __pfx___mutex_lock+0x10/0x10 [ 296.500556][ T7501] ? apparmor_capable+0x126/0x170 [ 296.500602][ T7501] ? bpf_lsm_capable+0x9/0x20 [ 296.500634][ T7501] bpf_enable_stats+0x94/0x140 [ 296.500665][ T7501] __sys_bpf+0xb34/0xd90 [ 296.500701][ T7501] ? __pfx___sys_bpf+0x10/0x10 [ 296.500748][ T7501] ? __fget_files+0x2a/0x420 [ 296.500787][ T7501] ? ksys_write+0x242/0x270 [ 296.500814][ T7501] ? __pfx_ksys_write+0x10/0x10 [ 296.500843][ T7501] __x64_sys_bpf+0xba/0xd0 [ 296.500863][ T7501] do_syscall_64+0x166/0x520 [ 296.500887][ T7501] ? trace_irq_disable+0x3b/0x140 [ 296.500903][ T7501] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 296.500921][ T7501] ? clear_bhb_loop+0x70/0xc0 [ 296.500942][ T7501] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 296.500958][ T7501] RIP: 0033:0x7f98d0d9a339 [ 296.500973][ T7501] Code: Unable to access opcode bytes at 0x7f98d0d9a30f. [ 296.500982][ T7501] RSP: 002b:00007f98d03fe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 296.501000][ T7501] RAX: ffffffffffffffda RBX: 00007f98d0fd5fa0 RCX: 00007f98d0d9a339 [ 296.501012][ T7501] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 296.501023][ T7501] RBP: 00007f98d03fe090 R08: 0000000000000000 R09: 0000000000000000 [ 296.501034][ T7501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 296.501044][ T7501] R13: 00007f98d0fd6038 R14: 00007f98d0fd5fa0 R15: 00007ffc50f6fdd8 [ 296.501073][ T7501] [ 297.091655][ T7505] FAULT_INJECTION: forcing a failure. [ 297.091655][ T7505] name failslab, interval 1, probability 0, space 0, times 0 [ 297.091701][ T7505] CPU: 0 UID: 0 PID: 7505 Comm: syz.2.330 Not tainted syzkaller #0 PREEMPT(full) [ 297.091727][ T7505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 297.091741][ T7505] Call Trace: [ 297.091751][ T7505] [ 297.091761][ T7505] dump_stack_lvl+0xe8/0x150 [ 297.091798][ T7505] should_fail_ex+0x410/0x560 [ 297.091829][ T7505] should_failslab+0xa8/0x100 [ 297.091858][ T7505] ? alloc_empty_file+0x5b/0x1d0 [ 297.091886][ T7505] kmem_cache_alloc_noprof+0xa1/0x600 [ 297.091924][ T7505] ? alloc_empty_file+0x5b/0x1d0 [ 297.091958][ T7505] alloc_empty_file+0x5b/0x1d0 [ 297.091988][ T7505] alloc_file_pseudo+0x115/0x1e0 [ 297.092018][ T7505] ? __pfx_alloc_file_pseudo+0x10/0x10 [ 297.092059][ T7505] anon_inode_getfd+0xc8/0x1f0 [ 297.092091][ T7505] bpf_enable_stats+0xdc/0x140 [ 297.092122][ T7505] __sys_bpf+0xb34/0xd90 [ 297.092157][ T7505] ? __pfx___sys_bpf+0x10/0x10 [ 297.092196][ T7505] ? __fget_files+0x2a/0x420 [ 297.092259][ T7505] ? ksys_write+0x242/0x270 [ 297.092296][ T7505] ? __pfx_ksys_write+0x10/0x10 [ 297.092337][ T7505] __x64_sys_bpf+0xba/0xd0 [ 297.092366][ T7505] do_syscall_64+0x166/0x520 [ 297.092399][ T7505] ? trace_irq_disable+0x3b/0x140 [ 297.092423][ T7505] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 297.092446][ T7505] ? clear_bhb_loop+0x70/0xc0 [ 297.092475][ T7505] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 297.092509][ T7505] RIP: 0033:0x7f334639a339 [ 297.092534][ T7505] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 297.092560][ T7505] RSP: 002b:00007f3347156028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 297.092585][ T7505] RAX: ffffffffffffffda RBX: 00007f33465d6090 RCX: 00007f334639a339 [ 297.092603][ T7505] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 297.092618][ T7505] RBP: 00007f3347156090 R08: 0000000000000000 R09: 0000000000000000 [ 297.092634][ T7505] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 297.092648][ T7505] R13: 00007f33465d6128 R14: 00007f33465d6090 R15: 00007ffedbd5ef18 [ 297.092686][ T7505] [ 297.093719][ T7511] FAULT_INJECTION: forcing a failure. [ 297.093719][ T7511] name failslab, interval 1, probability 0, space 0, times 0 [ 297.093755][ T7511] CPU: 0 UID: 0 PID: 7511 Comm: syz.1.332 Not tainted syzkaller #0 PREEMPT(full) [ 297.093794][ T7511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 297.093809][ T7511] Call Trace: [ 297.093819][ T7511] [ 297.093832][ T7511] dump_stack_lvl+0xe8/0x150 [ 297.093870][ T7511] should_fail_ex+0x410/0x560 [ 297.093903][ T7511] should_failslab+0xa8/0x100 [ 297.093938][ T7511] ? alloc_empty_file+0x5b/0x1d0 [ 297.093963][ T7511] kmem_cache_alloc_noprof+0xa1/0x600 [ 297.093996][ T7511] ? alloc_empty_file+0x5b/0x1d0 [ 297.094026][ T7511] alloc_empty_file+0x5b/0x1d0 [ 297.094054][ T7511] alloc_file_pseudo+0x115/0x1e0 [ 297.094087][ T7511] ? __pfx_alloc_file_pseudo+0x10/0x10 [ 297.094128][ T7511] anon_inode_getfd+0xc8/0x1f0 [ 297.094162][ T7511] bpf_enable_stats+0xdc/0x140 [ 297.094192][ T7511] __sys_bpf+0xb34/0xd90 [ 297.094228][ T7511] ? __pfx___sys_bpf+0x10/0x10 [ 297.094268][ T7511] ? __fget_files+0x2a/0x420 [ 297.094321][ T7511] ? ksys_write+0x242/0x270 [ 297.094358][ T7511] ? __pfx_ksys_write+0x10/0x10 [ 297.094399][ T7511] __x64_sys_bpf+0xba/0xd0 [ 297.094643][ T7511] do_syscall_64+0x166/0x520 [ 297.094674][ T7511] ? trace_irq_disable+0x3b/0x140 [ 297.094697][ T7511] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 297.094722][ T7511] ? clear_bhb_loop+0x70/0xc0 [ 297.094750][ T7511] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 297.094772][ T7511] RIP: 0033:0x7fab4899a339 [ 297.094794][ T7511] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 297.094814][ T7511] RSP: 002b:00007fab47ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 297.094839][ T7511] RAX: ffffffffffffffda RBX: 00007fab48bd6090 RCX: 00007fab4899a339 [ 297.094855][ T7511] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 297.094868][ T7511] RBP: 00007fab47ffe090 R08: 0000000000000000 R09: 0000000000000000 [ 297.094883][ T7511] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 297.094896][ T7511] R13: 00007fab48bd6128 R14: 00007fab48bd6090 R15: 00007ffc3d691b18 [ 297.094931][ T7511] [ 297.704399][ T7515] FAULT_INJECTION: forcing a failure. [ 297.704399][ T7515] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 297.704443][ T7515] CPU: 0 UID: 0 PID: 7515 Comm: syz.2.336 Not tainted syzkaller #0 PREEMPT(full) [ 297.704472][ T7515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 297.704489][ T7515] Call Trace: [ 297.704500][ T7515] [ 297.704512][ T7515] dump_stack_lvl+0xe8/0x150 [ 297.704555][ T7515] should_fail_ex+0x410/0x560 [ 297.704593][ T7515] strncpy_from_user+0x36/0x2c0 [ 297.704628][ T7515] strncpy_from_user_nofault+0x71/0x150 [ 297.704677][ T7515] bpf_probe_read_compat_str+0xe1/0x180 [ 297.704721][ T7515] bpf_prog_90df569eec4aaf11+0x70/0x76 [ 297.704747][ T7515] ? kmem_cache_alloc_noprof+0x156/0x600 [ 297.704794][ T7515] ? lock_acquire+0x115/0x350 [ 297.704845][ T7515] bpf_trace_run2+0x56a/0xd30 [ 297.704882][ T7515] ? __pfx_bpf_trace_run2+0x10/0x10 [ 297.704919][ T7515] ? __bpf_trace_tlb_flush+0xfc/0x170 [ 297.704971][ T7515] __bpf_trace_tlb_flush+0x11d/0x170 [ 297.705016][ T7515] ? __pfx___bpf_trace_tlb_flush+0x10/0x10 [ 297.705063][ T7515] ? do_raw_spin_lock+0x12b/0x2f0 [ 297.705120][ T7515] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 297.705175][ T7515] trace_tlb_flush+0x132/0x160 [ 297.705214][ T7515] switch_mm_irqs_off+0x458/0x680 [ 297.705255][ T7515] use_temporary_mm+0x96/0x140 [ 297.705301][ T7515] __text_poke+0x68d/0xa60 [ 297.705350][ T7515] ? __pfx_text_poke_memcpy+0x10/0x10 [ 297.705385][ T7515] ? __seccomp_filter+0x547/0x1de0 [ 297.705418][ T7515] ? __pfx___text_poke+0x10/0x10 [ 297.705736][ T7515] smp_text_poke_batch_finish+0x3c8/0x1110 [ 297.705778][ T7515] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 297.705836][ T7515] ? __pfx___mutex_lock+0x10/0x10 [ 297.705872][ T7515] ? __pfx_smp_text_poke_batch_finish+0x10/0x10 [ 297.705910][ T7515] ? arch_jump_label_transform_queue+0x97/0x110 [ 297.705955][ T7515] ? __jump_label_update+0x347/0x370 [ 297.705990][ T7515] arch_jump_label_transform_apply+0x1c/0x30 [ 297.706024][ T7515] static_key_slow_inc_cpuslocked+0x80/0xf0 [ 297.706054][ T7515] static_key_slow_inc+0x1a/0x30 [ 297.706079][ T7515] bpf_enable_stats+0x101/0x140 [ 297.706112][ T7515] __sys_bpf+0xb34/0xd90 [ 297.706150][ T7515] ? __pfx___sys_bpf+0x10/0x10 [ 297.706212][ T7515] ? __fget_files+0x2a/0x420 [ 297.706269][ T7515] ? ksys_write+0x242/0x270 [ 297.706309][ T7515] ? __pfx_ksys_write+0x10/0x10 [ 297.706353][ T7515] __x64_sys_bpf+0xba/0xd0 [ 297.706381][ T7515] do_syscall_64+0x166/0x520 [ 297.706414][ T7515] ? trace_irq_disable+0x3b/0x140 [ 297.706438][ T7515] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 297.706461][ T7515] ? clear_bhb_loop+0x70/0xc0 [ 297.706488][ T7515] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 297.706512][ T7515] RIP: 0033:0x7f334639a339 [ 297.706533][ T7515] Code: Unable to access opcode bytes at 0x7f334639a30f. [ 297.706546][ T7515] RSP: 002b:00007f3347177028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 297.706577][ T7515] RAX: ffffffffffffffda RBX: 00007f33465d5fa0 RCX: 00007f334639a339 [ 297.706594][ T7515] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 297.706608][ T7515] RBP: 00007f3347177090 R08: 0000000000000000 R09: 0000000000000000 [ 297.706623][ T7515] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 297.706637][ T7515] R13: 00007f33465d6038 R14: 00007f33465d5fa0 R15: 00007ffedbd5ef18 [ 297.706672][ T7515] [ 298.212494][ T7525] FAULT_INJECTION: forcing a failure. [ 298.212494][ T7525] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 298.212523][ T7525] CPU: 1 UID: 0 PID: 7525 Comm: syz.3.333 Not tainted syzkaller #0 PREEMPT(full) [ 298.212541][ T7525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 298.212552][ T7525] Call Trace: [ 298.212559][ T7525] [ 298.212566][ T7525] dump_stack_lvl+0xe8/0x150 [ 298.212594][ T7525] should_fail_ex+0x410/0x560 [ 298.212618][ T7525] strncpy_from_user+0x36/0x2c0 [ 298.212639][ T7525] strncpy_from_user_nofault+0x71/0x150 [ 298.212668][ T7525] bpf_probe_read_compat_str+0xe1/0x180 [ 298.212695][ T7525] bpf_prog_90df569eec4aaf11+0x70/0x76 [ 298.212716][ T7525] ? lock_acquire+0x115/0x350 [ 298.212758][ T7525] bpf_trace_run2+0x56a/0xd30 [ 298.212806][ T7525] ? __pfx_bpf_trace_run2+0x10/0x10 [ 298.212828][ T7525] ? __bpf_trace_tlb_flush+0xfc/0x170 [ 298.212855][ T7525] __bpf_trace_tlb_flush+0x11d/0x170 [ 298.212880][ T7525] ? __pfx___bpf_trace_tlb_flush+0x10/0x10 [ 298.212903][ T7525] ? trace_save_cmdline+0x350/0x500 [ 298.212943][ T7525] ? __pfx_trace_save_cmdline+0x10/0x10 [ 298.212968][ T7525] ? __schedule+0x2a95/0x58f0 [ 298.212997][ T7525] trace_tlb_flush+0x132/0x160 [ 298.213021][ T7525] switch_mm_irqs_off+0x458/0x680 [ 298.213048][ T7525] __schedule+0x11f5/0x58f0 [ 298.213093][ T7525] ? __pfx___schedule+0x10/0x10 [ 298.213124][ T7525] ? schedule+0x90/0x2b0 [ 298.213149][ T7525] schedule+0x164/0x2b0 [ 298.213173][ T7525] schedule_preempt_disabled+0x13/0x30 [ 298.213195][ T7525] __mutex_lock+0x7c1/0x1550 [ 298.213226][ T7525] ? __mutex_lock+0x5d4/0x1550 [ 298.213254][ T7525] ? static_key_slow_inc_cpuslocked+0x39/0xf0 [ 298.213274][ T7525] ? __pfx___mutex_lock+0x10/0x10 [ 298.213299][ T7525] ? static_key_fast_inc_not_disabled+0x14a/0x210 [ 298.213320][ T7525] ? __pfx_static_key_fast_inc_not_disabled+0x10/0x10 [ 298.213352][ T7525] static_key_slow_inc_cpuslocked+0x39/0xf0 [ 298.213372][ T7525] static_key_slow_inc+0x1a/0x30 [ 298.213389][ T7525] bpf_enable_stats+0x101/0x140 [ 298.213411][ T7525] __sys_bpf+0xb34/0xd90 [ 298.213437][ T7525] ? __pfx___sys_bpf+0x10/0x10 [ 298.213464][ T7525] ? __fget_files+0x2a/0x420 [ 298.213503][ T7525] ? ksys_write+0x242/0x270 [ 298.213533][ T7525] ? __pfx_ksys_write+0x10/0x10 [ 298.213563][ T7525] __x64_sys_bpf+0xba/0xd0 [ 298.213583][ T7525] do_syscall_64+0x166/0x520 [ 298.213607][ T7525] ? trace_irq_disable+0x3b/0x140 [ 298.213623][ T7525] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 298.213640][ T7525] ? clear_bhb_loop+0x70/0xc0 [ 298.213661][ T7525] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 298.213677][ T7525] RIP: 0033:0x7f85f6b9a339 [ 298.213692][ T7525] Code: Unable to access opcode bytes at 0x7f85f6b9a30f. [ 298.213701][ T7525] RSP: 002b:00007f85f7a5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 298.213719][ T7525] RAX: ffffffffffffffda RBX: 00007f85f6dd6090 RCX: 00007f85f6b9a339 [ 298.213731][ T7525] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 298.213747][ T7525] RBP: 00007f85f7a5b090 R08: 0000000000000000 R09: 0000000000000000 [ 298.213759][ T7525] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 298.213770][ T7525] R13: 00007f85f6dd6128 R14: 00007f85f6dd6090 R15: 00007ffeb91e4de8 [ 298.213796][ T7525] [ 298.793336][ T7530] FAULT_INJECTION: forcing a failure. [ 298.793336][ T7530] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 298.793377][ T7530] CPU: 0 UID: 0 PID: 7530 Comm: syz.2.338 Not tainted syzkaller #0 PREEMPT(full) [ 298.793406][ T7530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 298.793422][ T7530] Call Trace: [ 298.793432][ T7530] [ 298.793444][ T7530] dump_stack_lvl+0xe8/0x150 [ 298.793484][ T7530] should_fail_ex+0x410/0x560 [ 298.793522][ T7530] strncpy_from_user+0x36/0x2c0 [ 298.793557][ T7530] strncpy_from_user_nofault+0x71/0x150 [ 298.793602][ T7530] bpf_probe_read_compat_str+0xe1/0x180 [ 298.793644][ T7530] bpf_prog_90df569eec4aaf11+0x70/0x76 [ 298.793678][ T7530] ? lock_acquire+0x115/0x350 [ 298.793727][ T7530] ? kvm_sched_clock_read+0x11/0x20 [ 298.793762][ T7530] ? sched_clock+0x41/0x60 [ 298.793796][ T7530] bpf_trace_run2+0xc55/0xd30 [ 298.793832][ T7530] ? __pfx_bpf_trace_run2+0x10/0x10 [ 298.793867][ T7530] ? __bpf_trace_tlb_flush+0xfc/0x170 [ 298.793908][ T7530] __bpf_trace_tlb_flush+0x11d/0x170 [ 298.793941][ T7530] ? update_cfs_rq_load_avg+0x426/0x4e0 [ 298.793980][ T7530] ? __pfx___bpf_trace_tlb_flush+0x10/0x10 [ 298.794035][ T7530] ? __pfx___bpf_trace_tlb_flush+0x10/0x10 [ 298.794069][ T7530] __traceiter_tlb_flush+0x79/0xd0 [ 298.794108][ T7530] trace_tlb_flush+0x132/0x160 [ 298.794146][ T7530] switch_mm_irqs_off+0x458/0x680 [ 298.794188][ T7530] __schedule+0x11f5/0x58f0 [ 298.794256][ T7530] ? irqentry_exit+0x218/0x910 [ 298.794297][ T7530] ? trace_irq_disable+0x3b/0x140 [ 298.794338][ T7530] ? __pfx___schedule+0x10/0x10 [ 298.794378][ T7530] ? osq_unlock+0x98/0x260 [ 298.794414][ T7530] ? __pfx_osq_unlock+0x10/0x10 [ 298.794453][ T7530] schedule+0x164/0x2b0 [ 298.794492][ T7530] schedule_preempt_disabled+0x13/0x30 [ 298.794526][ T7530] __mutex_lock+0x3b2/0x1550 [ 298.794580][ T7530] ? bpf_enable_stats+0x94/0x140 [ 298.794617][ T7530] ? __pfx___mutex_lock+0x10/0x10 [ 298.794664][ T7530] ? apparmor_capable+0x126/0x170 [ 298.794707][ T7530] ? bpf_lsm_capable+0x9/0x20 [ 298.794743][ T7530] bpf_enable_stats+0x94/0x140 [ 298.794777][ T7530] __sys_bpf+0xb34/0xd90 [ 298.794819][ T7530] ? __pfx___sys_bpf+0x10/0x10 [ 298.794865][ T7530] ? __fget_files+0x2a/0x420 [ 298.794926][ T7530] ? ksys_write+0x242/0x270 [ 298.794970][ T7530] ? __pfx_ksys_write+0x10/0x10 [ 298.795024][ T7530] __x64_sys_bpf+0xba/0xd0 [ 298.795056][ T7530] do_syscall_64+0x166/0x520 [ 298.795092][ T7530] ? trace_irq_disable+0x3b/0x140 [ 298.795118][ T7530] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 298.795144][ T7530] ? clear_bhb_loop+0x70/0xc0 [ 298.795175][ T7530] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 298.795210][ T7530] RIP: 0033:0x7f334639a339 [ 298.795234][ T7530] Code: Unable to access opcode bytes at 0x7f334639a30f. [ 298.795248][ T7530] RSP: 002b:00007f3347177028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 298.795276][ T7530] RAX: ffffffffffffffda RBX: 00007f33465d5fa0 RCX: 00007f334639a339 [ 298.795296][ T7530] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 298.795313][ T7530] RBP: 00007f3347177090 R08: 0000000000000000 R09: 0000000000000000 [ 298.795329][ T7530] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 298.795346][ T7530] R13: 00007f33465d6038 R14: 00007f33465d5fa0 R15: 00007ffedbd5ef18 [ 298.795389][ T7530] [ 299.191185][ T7522] FAULT_INJECTION: forcing a failure. [ 299.191185][ T7522] name failslab, interval 1, probability 0, space 0, times 0 [ 299.191229][ T7522] CPU: 1 UID: 0 PID: 7522 Comm: syz.4.337 Not tainted syzkaller #0 PREEMPT(full) [ 299.191259][ T7522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 299.191275][ T7522] Call Trace: [ 299.191286][ T7522] [ 299.191307][ T7522] dump_stack_lvl+0xe8/0x150 [ 299.191350][ T7522] should_fail_ex+0x410/0x560 [ 299.191387][ T7522] should_failslab+0xa8/0x100 [ 299.191423][ T7522] kmem_cache_alloc_lru_noprof+0xa7/0x5f0 [ 299.191472][ T7522] ? __d_alloc+0x37/0x6f0 [ 299.191508][ T7522] ? __d_alloc+0x37/0x6f0 [ 299.191553][ T7522] __d_alloc+0x37/0x6f0 [ 299.191599][ T7522] d_alloc_pseudo+0x21/0xc0 [ 299.191640][ T7522] alloc_path_pseudo+0x107/0x220 [ 299.191678][ T7522] ? __pfx_alloc_path_pseudo+0x10/0x10 [ 299.191725][ T7522] alloc_file_pseudo+0xa8/0x1e0 [ 299.191762][ T7522] ? __pfx_alloc_file_pseudo+0x10/0x10 [ 299.191809][ T7522] anon_inode_getfd+0xc8/0x1f0 [ 299.191848][ T7522] bpf_enable_stats+0xdc/0x140 [ 299.191882][ T7522] __sys_bpf+0xb34/0xd90 [ 299.191922][ T7522] ? __pfx___sys_bpf+0x10/0x10 [ 299.191966][ T7522] ? __fget_files+0x2a/0x420 [ 299.192024][ T7522] ? ksys_write+0x242/0x270 [ 299.192063][ T7522] ? __pfx_ksys_write+0x10/0x10 [ 299.192107][ T7522] __x64_sys_bpf+0xba/0xd0 [ 299.192138][ T7522] do_syscall_64+0x166/0x520 [ 299.192174][ T7522] ? trace_irq_disable+0x3b/0x140 [ 299.192200][ T7522] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 299.192226][ T7522] ? clear_bhb_loop+0x70/0xc0 [ 299.192258][ T7522] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 299.192285][ T7522] RIP: 0033:0x7f376db9a339 [ 299.192320][ T7522] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 299.192343][ T7522] RSP: 002b:00007f376e9b1028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 299.192371][ T7522] RAX: ffffffffffffffda RBX: 00007f376ddd5fa0 RCX: 00007f376db9a339 [ 299.192389][ T7522] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 299.192405][ T7522] RBP: 00007f376e9b1090 R08: 0000000000000000 R09: 0000000000000000 [ 299.192422][ T7522] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 299.192438][ T7522] R13: 00007f376ddd6038 R14: 00007f376ddd5fa0 R15: 00007ffc7f6ab4a8 [ 299.192480][ T7522] [ 299.200075][ T7519] FAULT_INJECTION: forcing a failure. [ 299.200075][ T7519] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 299.200200][ T7519] CPU: 1 UID: 0 PID: 7519 Comm: syz.1.335 Not tainted syzkaller #0 PREEMPT(full) [ 299.200269][ T7519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 299.200511][ T7519] Call Trace: [ 299.200548][ T7519] [ 299.200591][ T7519] dump_stack_lvl+0xe8/0x150 [ 299.200703][ T7519] should_fail_ex+0x410/0x560 [ 299.200791][ T7519] strncpy_from_user+0x36/0x2c0 [ 299.200882][ T7519] strncpy_from_user_nofault+0x71/0x150 [ 299.200995][ T7519] bpf_probe_read_compat_str+0xe1/0x180 [ 299.201124][ T7519] bpf_prog_90df569eec4aaf11+0x70/0x76 [ 299.201413][ T7519] ? lock_acquire+0x115/0x350 [ 299.201537][ T7519] bpf_trace_run2+0x56a/0xd30 [ 299.201639][ T7519] ? __pfx_bpf_trace_run2+0x10/0x10 [ 299.201817][ T7519] ? __bpf_trace_tlb_flush+0xfc/0x170 [ 299.201930][ T7519] __bpf_trace_tlb_flush+0x11d/0x170 [ 299.202033][ T7519] ? __pfx___bpf_trace_tlb_flush+0x10/0x10 [ 299.202153][ T7519] ? __schedule+0x2a95/0x58f0 [ 299.202254][ T7519] trace_tlb_flush+0x132/0x160 [ 299.202355][ T7519] switch_mm_irqs_off+0x458/0x680 [ 299.202465][ T7519] __schedule+0x11f5/0x58f0 [ 299.202647][ T7519] ? __pfx___schedule+0x10/0x10 [ 299.202762][ T7519] ? schedule+0x90/0x2b0 [ 299.202863][ T7519] schedule+0x164/0x2b0 [ 299.202955][ T7519] schedule_preempt_disabled+0x13/0x30 [ 299.203040][ T7519] __mutex_lock+0x7c1/0x1550 [ 299.203151][ T7519] ? __mutex_lock+0x5d4/0x1550 [ 299.203270][ T7519] ? arch_jump_label_transform_queue+0x5f/0x110 [ 299.203370][ T7519] ? __pfx___mutex_lock+0x10/0x10 [ 299.203533][ T7519] arch_jump_label_transform_queue+0x5f/0x110 [ 299.203678][ T7519] __jump_label_update+0x189/0x370 [ 299.203765][ T7519] static_key_slow_inc_cpuslocked+0x80/0xf0 [ 299.203841][ T7519] static_key_slow_inc+0x1a/0x30 [ 299.203908][ T7519] bpf_enable_stats+0x101/0x140 [ 299.203994][ T7519] __sys_bpf+0xb34/0xd90 [ 299.204107][ T7519] ? __pfx___sys_bpf+0x10/0x10 [ 299.204217][ T7519] ? __fget_files+0x2a/0x420 [ 299.204375][ T7519] ? rcu_is_watching+0x16/0xb0 [ 299.204474][ T7519] __x64_sys_bpf+0xba/0xd0 [ 299.204552][ T7519] do_syscall_64+0x166/0x520 [ 299.204632][ T7519] ? trace_irq_disable+0x3b/0x140 [ 299.204697][ T7519] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 299.204749][ T7519] ? clear_bhb_loop+0x70/0xc0 [ 299.204836][ T7519] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 299.204902][ T7519] RIP: 0033:0x7fab4899a339 [ 299.204960][ T7519] Code: Unable to access opcode bytes at 0x7fab4899a30f. [ 299.205020][ T7519] RSP: 002b:00007fab49736028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 299.205087][ T7519] RAX: ffffffffffffffda RBX: 00007fab48bd5fa0 RCX: 00007fab4899a339 [ 299.205132][ T7519] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 299.205166][ T7519] RBP: 00007fab49736090 R08: 0000000000000000 R09: 0000000000000000 [ 299.205221][ T7519] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 299.205255][ T7519] R13: 00007fab48bd6038 R14: 00007fab48bd5fa0 R15: 00007ffc3d691b18 [ 299.205386][ T7519] [ 299.738364][ T7521] FAULT_INJECTION: forcing a failure. [ 299.738364][ T7521] name failslab, interval 1, probability 0, space 0, times 0 [ 299.738446][ T7521] CPU: 1 UID: 0 PID: 7521 Comm: syz.0.334 Not tainted syzkaller #0 PREEMPT(full) [ 299.738530][ T7521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 299.738577][ T7521] Call Trace: [ 299.738621][ T7521] [ 299.738668][ T7521] dump_stack_lvl+0xe8/0x150 [ 299.738794][ T7521] should_fail_ex+0x410/0x560 [ 299.738920][ T7521] should_failslab+0xa8/0x100 [ 299.739016][ T7521] kmem_cache_alloc_lru_noprof+0xa7/0x5f0 [ 299.739128][ T7521] ? __d_alloc+0x37/0x6f0 [ 299.739225][ T7521] ? __d_alloc+0x37/0x6f0 [ 299.739346][ T7521] __d_alloc+0x37/0x6f0 [ 299.739458][ T7521] d_alloc_pseudo+0x21/0xc0 [ 299.739576][ T7521] alloc_path_pseudo+0x107/0x220 [ 299.739691][ T7521] ? __pfx_alloc_path_pseudo+0x10/0x10 [ 299.739813][ T7521] alloc_file_pseudo+0xa8/0x1e0 [ 299.739938][ T7521] ? __pfx_alloc_file_pseudo+0x10/0x10 [ 299.740059][ T7521] anon_inode_getfd+0xc8/0x1f0 [ 299.740172][ T7521] bpf_enable_stats+0xdc/0x140 [ 299.740258][ T7521] __sys_bpf+0xb34/0xd90 [ 299.740378][ T7521] ? __pfx___sys_bpf+0x10/0x10 [ 299.740491][ T7521] ? __fget_files+0x2a/0x420 [ 299.740658][ T7521] ? ksys_write+0x242/0x270 [ 299.740765][ T7521] ? __pfx_ksys_write+0x10/0x10 [ 299.740886][ T7521] __x64_sys_bpf+0xba/0xd0 [ 299.740970][ T7521] do_syscall_64+0x166/0x520 [ 299.741065][ T7521] ? trace_irq_disable+0x3b/0x140 [ 299.741150][ T7521] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 299.741222][ T7521] ? clear_bhb_loop+0x70/0xc0 [ 299.741309][ T7521] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 299.741381][ T7521] RIP: 0033:0x7f98d0d9a339 [ 299.741443][ T7521] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 299.741503][ T7521] RSP: 002b:00007f98d03fe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 299.741574][ T7521] RAX: ffffffffffffffda RBX: 00007f98d0fd5fa0 RCX: 00007f98d0d9a339 2026/10/04 15:59:58 executed programs: 334 [ 299.741634][ T7521] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 299.741681][ T7521] RBP: 00007f98d03fe090 R08: 0000000000000000 R09: 0000000000000000 [ 299.741709][ T7521] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 299.741723][ T7521] R13: 00007f98d0fd6038 R14: 00007f98d0fd5fa0 R15: 00007ffc50f6fdd8 [ 299.741787][ T7521] [ 300.162493][ T7539] FAULT_INJECTION: forcing a failure. [ 300.162493][ T7539] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 300.162530][ T7539] CPU: 1 UID: 0 PID: 7539 Comm: syz.3.339 Not tainted syzkaller #0 PREEMPT(full) [ 300.162556][ T7539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 300.162570][ T7539] Call Trace: [ 300.162580][ T7539] [ 300.162591][ T7539] dump_stack_lvl+0xe8/0x150 [ 300.162628][ T7539] should_fail_ex+0x410/0x560 [ 300.162663][ T7539] strncpy_from_user+0x36/0x2c0 [ 300.162695][ T7539] strncpy_from_user_nofault+0x71/0x150 [ 300.162735][ T7539] bpf_probe_read_compat_str+0xe1/0x180 [ 300.162773][ T7539] bpf_prog_90df569eec4aaf11+0x70/0x76 [ 300.162797][ T7539] ? kmem_cache_alloc_noprof+0x156/0x600 [ 300.162839][ T7539] ? lock_acquire+0x115/0x350 [ 300.162884][ T7539] bpf_trace_run2+0x56a/0xd30 [ 300.162918][ T7539] ? __pfx_bpf_trace_run2+0x10/0x10 [ 300.162945][ T7539] ? kmem_cache_alloc_noprof+0x156/0x600 [ 300.162983][ T7539] ? __bpf_trace_tlb_flush+0xfc/0x170 [ 300.163020][ T7539] __bpf_trace_tlb_flush+0x11d/0x170 [ 300.163063][ T7539] ? __pfx___bpf_trace_tlb_flush+0x10/0x10 [ 300.163105][ T7539] ? do_raw_spin_lock+0x12b/0x2f0 [ 300.163152][ T7539] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 300.163194][ T7539] trace_tlb_flush+0x132/0x160 [ 300.163238][ T7539] switch_mm_irqs_off+0x458/0x680 [ 300.163277][ T7539] use_temporary_mm+0x96/0x140 [ 300.163310][ T7539] __text_poke+0x68d/0xa60 [ 300.163345][ T7539] ? __pfx_text_poke_memcpy+0x10/0x10 [ 300.163377][ T7539] ? __seccomp_filter+0x547/0x1de0 [ 300.163406][ T7539] ? __pfx___text_poke+0x10/0x10 [ 300.163447][ T7539] smp_text_poke_batch_finish+0x3c8/0x1110 [ 300.163479][ T7539] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 300.163521][ T7539] ? __pfx___mutex_lock+0x10/0x10 [ 300.163556][ T7539] ? __pfx_smp_text_poke_batch_finish+0x10/0x10 [ 300.163594][ T7539] ? arch_jump_label_transform_queue+0x97/0x110 [ 300.163630][ T7539] ? __jump_label_update+0x347/0x370 [ 300.163664][ T7539] arch_jump_label_transform_apply+0x1c/0x30 [ 300.163697][ T7539] static_key_slow_inc_cpuslocked+0x80/0xf0 [ 300.163725][ T7539] static_key_slow_inc+0x1a/0x30 [ 300.163749][ T7539] bpf_enable_stats+0x101/0x140 [ 300.163777][ T7539] __sys_bpf+0xb34/0xd90 [ 300.163814][ T7539] ? __pfx___sys_bpf+0x10/0x10 [ 300.163855][ T7539] ? __fget_files+0x2a/0x420 [ 300.163908][ T7539] ? ksys_write+0x242/0x270 [ 300.163946][ T7539] ? __pfx_ksys_write+0x10/0x10 [ 300.163987][ T7539] __x64_sys_bpf+0xba/0xd0 [ 300.164015][ T7539] do_syscall_64+0x166/0x520 [ 300.164047][ T7539] ? trace_irq_disable+0x3b/0x140 [ 300.164087][ T7539] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 300.164112][ T7539] ? clear_bhb_loop+0x70/0xc0 [ 300.164140][ T7539] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 300.164163][ T7539] RIP: 0033:0x7f85f6b9a339 [ 300.164184][ T7539] Code: Unable to access opcode bytes at 0x7f85f6b9a30f. [ 300.164196][ T7539] RSP: 002b:00007f85f7a5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 300.164221][ T7539] RAX: ffffffffffffffda RBX: 00007f85f6dd6090 RCX: 00007f85f6b9a339 [ 300.164238][ T7539] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 300.164251][ T7539] RBP: 00007f85f7a5b090 R08: 0000000000000000 R09: 0000000000000000 [ 300.164266][ T7539] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 300.164282][ T7539] R13: 00007f85f6dd6128 R14: 00007f85f6dd6090 R15: 00007ffeb91e4de8 [ 300.164320][ T7539] [ 300.606860][ T7534] FAULT_INJECTION: forcing a failure. [ 300.606860][ T7534] name failslab, interval 1, probability 0, space 0, times 0 [ 300.606903][ T7534] CPU: 1 UID: 0 PID: 7534 Comm: syz.4.340 Not tainted syzkaller #0 PREEMPT(full) [ 300.606933][ T7534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 300.606949][ T7534] Call Trace: [ 300.606960][ T7534] [ 300.606972][ T7534] dump_stack_lvl+0xe8/0x150 [ 300.607015][ T7534] should_fail_ex+0x410/0x560 [ 300.607074][ T7534] should_failslab+0xa8/0x100 [ 300.607107][ T7534] ? security_file_alloc+0x34/0x310 [ 300.607133][ T7534] kmem_cache_alloc_noprof+0xa1/0x600 [ 300.607376][ T7534] ? rcu_is_watching+0x16/0xb0 [ 300.607407][ T7534] ? security_file_alloc+0x34/0x310 [ 300.607438][ T7534] security_file_alloc+0x34/0x310 [ 300.607465][ T7534] init_file+0x90/0x2b0 [ 300.607496][ T7534] alloc_empty_file+0x74/0x1d0 [ 300.607526][ T7534] alloc_file_pseudo+0x115/0x1e0 [ 300.607559][ T7534] ? __pfx_alloc_file_pseudo+0x10/0x10 [ 300.607600][ T7534] anon_inode_getfd+0xc8/0x1f0 [ 300.607634][ T7534] bpf_enable_stats+0xdc/0x140 [ 300.607664][ T7534] __sys_bpf+0xb34/0xd90 [ 300.607702][ T7534] ? __pfx___sys_bpf+0x10/0x10 [ 300.607744][ T7534] ? __fget_files+0x2a/0x420 [ 300.607799][ T7534] ? ksys_write+0x242/0x270 [ 300.607839][ T7534] ? __pfx_ksys_write+0x10/0x10 [ 300.607881][ T7534] __x64_sys_bpf+0xba/0xd0 [ 300.607908][ T7534] do_syscall_64+0x166/0x520 [ 300.607942][ T7534] ? trace_irq_disable+0x3b/0x140 [ 300.607966][ T7534] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 300.607989][ T7534] ? clear_bhb_loop+0x70/0xc0 [ 300.608016][ T7534] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 300.608041][ T7534] RIP: 0033:0x7f376db9a339 [ 300.608063][ T7534] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 300.608083][ T7534] RSP: 002b:00007f376e9b1028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 300.608106][ T7534] RAX: ffffffffffffffda RBX: 00007f376ddd5fa0 RCX: 00007f376db9a339 [ 300.608123][ T7534] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 300.608137][ T7534] RBP: 00007f376e9b1090 R08: 0000000000000000 R09: 0000000000000000 [ 300.608162][ T7534] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 300.608177][ T7534] R13: 00007f376ddd6038 R14: 00007f376ddd5fa0 R15: 00007ffc7f6ab4a8 [ 300.608212][ T7534] [ 300.728084][ T7546] FAULT_INJECTION: forcing a failure. [ 300.728084][ T7546] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 300.728174][ T7546] CPU: 1 UID: 0 PID: 7546 Comm: syz.0.341 Not tainted syzkaller #0 PREEMPT(full) [ 300.728253][ T7546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 300.728297][ T7546] Call Trace: [ 300.728320][ T7546] [ 300.728391][ T7546] dump_stack_lvl+0xe8/0x150 [ 300.728490][ T7546] should_fail_ex+0x410/0x560 [ 300.728587][ T7546] strncpy_from_user+0x36/0x2c0 [ 300.728666][ T7546] strncpy_from_user_nofault+0x71/0x150 [ 300.728773][ T7546] bpf_probe_read_compat_str+0xe1/0x180 [ 300.728873][ T7546] bpf_prog_90df569eec4aaf11+0x70/0x76 [ 300.728957][ T7546] ? lock_acquire+0x115/0x350 [ 300.729063][ T7546] bpf_trace_run2+0x56a/0xd30 [ 300.729143][ T7546] ? __pfx_bpf_trace_run2+0x10/0x10 [ 300.729229][ T7546] ? __bpf_trace_tlb_flush+0xfc/0x170 [ 300.729312][ T7546] __bpf_trace_tlb_flush+0x11d/0x170 [ 300.729400][ T7546] ? __pfx___bpf_trace_tlb_flush+0x10/0x10 [ 300.729524][ T7546] ? do_raw_spin_lock+0x12b/0x2f0 [ 300.729633][ T7546] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 300.729749][ T7546] trace_tlb_flush+0x132/0x160 [ 300.729837][ T7546] switch_mm_irqs_off+0x458/0x680 [ 300.729925][ T7546] use_temporary_mm+0x96/0x140 [ 300.730010][ T7546] __text_poke+0x68d/0xa60 [ 300.730105][ T7546] ? __pfx_text_poke_memcpy+0x10/0x10 [ 300.730185][ T7546] ? __seccomp_filter+0x547/0x1de0 [ 300.730260][ T7546] ? __pfx___text_poke+0x10/0x10 [ 300.730352][ T7546] smp_text_poke_batch_finish+0x3c8/0x1110 [ 300.730428][ T7546] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 300.730544][ T7546] ? __pfx___mutex_lock+0x10/0x10 [ 300.730629][ T7546] ? __pfx_smp_text_poke_batch_finish+0x10/0x10 [ 300.730726][ T7546] ? arch_jump_label_transform_queue+0x97/0x110 [ 300.730820][ T7546] ? __jump_label_update+0x347/0x370 [ 300.730899][ T7546] arch_jump_label_transform_apply+0x1c/0x30 [ 300.730984][ T7546] static_key_slow_inc_cpuslocked+0x80/0xf0 [ 300.731081][ T7546] static_key_slow_inc+0x1a/0x30 [ 300.731140][ T7546] bpf_enable_stats+0x101/0x140 [ 300.731244][ T7546] __sys_bpf+0xb34/0xd90 [ 300.731350][ T7546] ? __pfx___sys_bpf+0x10/0x10 [ 300.731455][ T7546] ? __fget_files+0x2a/0x420 [ 300.731622][ T7546] ? ksys_write+0x242/0x270 [ 300.731747][ T7546] ? __pfx_ksys_write+0x10/0x10 [ 300.731854][ T7546] __x64_sys_bpf+0xba/0xd0 [ 300.731929][ T7546] do_syscall_64+0x166/0x520 [ 300.732010][ T7546] ? trace_irq_disable+0x3b/0x140 [ 300.732073][ T7546] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 300.732137][ T7546] ? clear_bhb_loop+0x70/0xc0 [ 300.732206][ T7546] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 300.732270][ T7546] RIP: 0033:0x7f98d0d9a339 [ 300.732323][ T7546] Code: Unable to access opcode bytes at 0x7f98d0d9a30f. [ 300.732356][ T7546] RSP: 002b:00007f98d03dd028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 300.732424][ T7546] RAX: ffffffffffffffda RBX: 00007f98d0fd6090 RCX: 00007f98d0d9a339 [ 300.732468][ T7546] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 300.732513][ T7546] RBP: 00007f98d03dd090 R08: 0000000000000000 R09: 0000000000000000 [ 300.732555][ T7546] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 300.732596][ T7546] R13: 00007f98d0fd6128 R14: 00007f98d0fd6090 R15: 00007ffc50f6fdd8 [ 300.732701][ T7546] [ 301.287705][ T7548] FAULT_INJECTION: forcing a failure. [ 301.287705][ T7548] name failslab, interval 1, probability 0, space 0, times 0 [ 301.287749][ T7548] CPU: 1 UID: 0 PID: 7548 Comm: syz.1.342 Not tainted syzkaller #0 PREEMPT(full) [ 301.287778][ T7548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 301.287793][ T7548] Call Trace: [ 301.287804][ T7548] [ 301.287815][ T7548] dump_stack_lvl+0xe8/0x150 [ 301.287857][ T7548] should_fail_ex+0x410/0x560 [ 301.287894][ T7548] should_failslab+0xa8/0x100 [ 301.287926][ T7548] ? security_file_alloc+0x34/0x310 [ 301.287955][ T7548] kmem_cache_alloc_noprof+0xa1/0x600 [ 301.287995][ T7548] ? rcu_is_watching+0x16/0xb0 [ 301.288029][ T7548] ? security_file_alloc+0x34/0x310 [ 301.288065][ T7548] security_file_alloc+0x34/0x310 [ 301.288096][ T7548] init_file+0x90/0x2b0 [ 301.288132][ T7548] alloc_empty_file+0x74/0x1d0 [ 301.288166][ T7548] alloc_file_pseudo+0x115/0x1e0 [ 301.288203][ T7548] ? __pfx_alloc_file_pseudo+0x10/0x10 [ 301.288251][ T7548] anon_inode_getfd+0xc8/0x1f0 [ 301.288307][ T7548] bpf_enable_stats+0xdc/0x140 [ 301.288344][ T7548] __sys_bpf+0xb34/0xd90 [ 301.288385][ T7548] ? __pfx___sys_bpf+0x10/0x10 [ 301.288430][ T7548] ? __fget_files+0x2a/0x420 [ 301.288487][ T7548] ? ksys_write+0x242/0x270 [ 301.288539][ T7548] ? __pfx_ksys_write+0x10/0x10 [ 301.288585][ T7548] __x64_sys_bpf+0xba/0xd0 [ 301.288617][ T7548] do_syscall_64+0x166/0x520 [ 301.288654][ T7548] ? trace_irq_disable+0x3b/0x140 [ 301.288680][ T7548] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 301.288707][ T7548] ? clear_bhb_loop+0x70/0xc0 [ 301.288739][ T7548] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 301.288766][ T7548] RIP: 0033:0x7fab4899a339 [ 301.288790][ T7548] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 301.288811][ T7548] RSP: 002b:00007fab47ffe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 301.288838][ T7548] RAX: ffffffffffffffda RBX: 00007fab48bd6090 RCX: 00007fab4899a339 [ 301.288858][ T7548] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 301.288874][ T7548] RBP: 00007fab47ffe090 R08: 0000000000000000 R09: 0000000000000000 [ 301.288892][ T7548] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 301.288908][ T7548] R13: 00007fab48bd6128 R14: 00007fab48bd6090 R15: 00007ffc3d691b18 [ 301.288951][ T7548] [ 301.291081][ T7547] FAULT_INJECTION: forcing a failure. [ 301.291081][ T7547] name failslab, interval 1, probability 0, space 0, times 0 [ 301.291119][ T7547] CPU: 1 UID: 0 PID: 7547 Comm: syz.2.343 Not tainted syzkaller #0 PREEMPT(full) [ 301.291149][ T7547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 301.291165][ T7547] Call Trace: [ 301.291175][ T7547] [ 301.291186][ T7547] dump_stack_lvl+0xe8/0x150 [ 301.291227][ T7547] should_fail_ex+0x410/0x560 [ 301.291264][ T7547] should_failslab+0xa8/0x100 [ 301.291297][ T7547] ? security_file_alloc+0x34/0x310 [ 301.291325][ T7547] kmem_cache_alloc_noprof+0xa1/0x600 [ 301.291365][ T7547] ? rcu_is_watching+0x16/0xb0 [ 301.291397][ T7547] ? security_file_alloc+0x34/0x310 [ 301.291433][ T7547] security_file_alloc+0x34/0x310 [ 301.291463][ T7547] init_file+0x90/0x2b0 [ 301.291508][ T7547] alloc_empty_file+0x74/0x1d0 [ 301.291543][ T7547] alloc_file_pseudo+0x115/0x1e0 [ 301.291580][ T7547] ? __pfx_alloc_file_pseudo+0x10/0x10 [ 301.291627][ T7547] anon_inode_getfd+0xc8/0x1f0 [ 301.291664][ T7547] bpf_enable_stats+0xdc/0x140 [ 301.291697][ T7547] __sys_bpf+0xb34/0xd90 [ 301.291739][ T7547] ? __pfx___sys_bpf+0x10/0x10 [ 301.291783][ T7547] ? __fget_files+0x2a/0x420 [ 301.291842][ T7547] ? ksys_write+0x242/0x270 [ 301.291885][ T7547] ? __pfx_ksys_write+0x10/0x10 [ 301.291931][ T7547] __x64_sys_bpf+0xba/0xd0 [ 301.291962][ T7547] do_syscall_64+0x166/0x520 [ 301.291997][ T7547] ? trace_irq_disable+0x3b/0x140 [ 301.292024][ T7547] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 301.292051][ T7547] ? clear_bhb_loop+0x70/0xc0 [ 301.292083][ T7547] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 301.292109][ T7547] RIP: 0033:0x7f334639a339 [ 301.292132][ T7547] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 301.292152][ T7547] RSP: 002b:00007f3347156028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 301.292179][ T7547] RAX: ffffffffffffffda RBX: 00007f33465d6090 RCX: 00007f334639a339 [ 301.292197][ T7547] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 301.292213][ T7547] RBP: 00007f3347156090 R08: 0000000000000000 R09: 0000000000000000 [ 301.292229][ T7547] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 301.292245][ T7547] R13: 00007f33465d6128 R14: 00007f33465d6090 R15: 00007ffedbd5ef18 [ 301.292286][ T7547] [ 301.858907][ T7553] FAULT_INJECTION: forcing a failure. [ 301.858907][ T7553] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 301.858936][ T7553] CPU: 1 UID: 0 PID: 7553 Comm: syz.3.344 Not tainted syzkaller #0 PREEMPT(full) [ 301.858955][ T7553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 301.858965][ T7553] Call Trace: [ 301.858973][ T7553] [ 301.858980][ T7553] dump_stack_lvl+0xe8/0x150 [ 301.859007][ T7553] should_fail_ex+0x410/0x560 [ 301.859030][ T7553] _copy_to_user+0x31/0xb0 [ 301.859054][ T7553] simple_read_from_buffer+0xe1/0x170 [ 301.859082][ T7553] proc_fail_nth_read+0x1bb/0x230 [ 301.859098][ T7553] ? common_file_perm+0x20e/0x2b0 [ 301.859122][ T7553] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 301.859141][ T7553] ? rw_verify_area+0x24a/0x4c0 [ 301.859167][ T7553] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 301.859183][ T7553] vfs_read+0x213/0xa80 [ 301.859210][ T7553] ? __pfx___mutex_lock+0x10/0x10 [ 301.859236][ T7553] ? __pfx_vfs_read+0x10/0x10 [ 301.859261][ T7553] ? __fget_files+0x2a/0x420 [ 301.859290][ T7553] ? __fget_files+0x3a2/0x420 [ 301.859312][ T7553] ? __fget_files+0x2a/0x420 [ 301.859341][ T7553] ksys_read+0x150/0x270 [ 301.859367][ T7553] ? __pfx_ksys_read+0x10/0x10 [ 301.859402][ T7553] do_syscall_64+0x166/0x520 [ 301.859426][ T7553] ? trace_irq_disable+0x3b/0x140 [ 301.859442][ T7553] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 301.859459][ T7553] ? clear_bhb_loop+0x70/0xc0 [ 301.859480][ T7553] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 301.859496][ T7553] RIP: 0033:0x7f85f6b5ac0e [ 301.859511][ T7553] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 301.859526][ T7553] RSP: 002b:00007f85f7a5afe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 301.859544][ T7553] RAX: ffffffffffffffda RBX: 00007f85f7a5b6c0 RCX: 00007f85f6b5ac0e [ 301.859556][ T7553] RDX: 000000000000000f RSI: 00007f85f7a5b0a0 RDI: 0000000000000003 [ 301.859567][ T7553] RBP: 00007f85f7a5b090 R08: 0000000000000000 R09: 0000000000000000 [ 301.859578][ T7553] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 301.859588][ T7553] R13: 00007f85f6dd6128 R14: 00007f85f6dd6090 R15: 00007ffeb91e4de8 [ 301.859613][ T7553] [ 302.152299][ T7558] FAULT_INJECTION: forcing a failure. [ 302.152299][ T7558] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 302.152343][ T7558] CPU: 0 UID: 0 PID: 7558 Comm: syz.4.345 Not tainted syzkaller #0 PREEMPT(full) [ 302.152377][ T7558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 302.152393][ T7558] Call Trace: [ 302.152404][ T7558] [ 302.152416][ T7558] dump_stack_lvl+0xe8/0x150 [ 302.152457][ T7558] should_fail_ex+0x410/0x560 [ 302.152495][ T7558] strncpy_from_user+0x36/0x2c0 [ 302.152530][ T7558] strncpy_from_user_nofault+0x71/0x150 [ 302.152570][ T7558] bpf_probe_read_compat_str+0xe1/0x180 [ 302.152604][ T7558] bpf_prog_90df569eec4aaf11+0x70/0x76 [ 302.152623][ T7558] ? kmem_cache_alloc_noprof+0x156/0x600 [ 302.152660][ T7558] ? lock_acquire+0x115/0x350 [ 302.152698][ T7558] bpf_trace_run2+0x56a/0xd30 [ 302.152731][ T7558] ? __pfx_bpf_trace_run2+0x10/0x10 [ 302.152754][ T7558] ? kmem_cache_alloc_noprof+0x156/0x600 [ 302.152789][ T7558] ? __bpf_trace_tlb_flush+0xfc/0x170 [ 302.152830][ T7558] __bpf_trace_tlb_flush+0x11d/0x170 [ 302.152869][ T7558] ? __pfx___bpf_trace_tlb_flush+0x10/0x10 [ 302.152916][ T7558] ? do_raw_spin_lock+0x12b/0x2f0 [ 302.152956][ T7558] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 302.153001][ T7558] trace_tlb_flush+0x132/0x160 [ 302.153038][ T7558] switch_mm_irqs_off+0x458/0x680 [ 302.153080][ T7558] use_temporary_mm+0x96/0x140 [ 302.153116][ T7558] __text_poke+0x68d/0xa60 [ 302.153155][ T7558] ? __pfx_text_poke_memcpy+0x10/0x10 [ 302.153189][ T7558] ? __seccomp_filter+0x547/0x1de0 [ 302.153220][ T7558] ? __pfx___text_poke+0x10/0x10 [ 302.153264][ T7558] smp_text_poke_batch_finish+0x3c8/0x1110 [ 302.153315][ T7558] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 302.153363][ T7558] ? __pfx___mutex_lock+0x10/0x10 [ 302.153402][ T7558] ? __pfx_smp_text_poke_batch_finish+0x10/0x10 [ 302.153445][ T7558] ? arch_jump_label_transform_queue+0x97/0x110 [ 302.153486][ T7558] ? __jump_label_update+0x347/0x370 [ 302.153524][ T7558] arch_jump_label_transform_apply+0x1c/0x30 [ 302.153562][ T7558] static_key_slow_inc_cpuslocked+0x80/0xf0 [ 302.153592][ T7558] static_key_slow_inc+0x1a/0x30 [ 302.153620][ T7558] bpf_enable_stats+0x101/0x140 [ 302.153653][ T7558] __sys_bpf+0xb34/0xd90 [ 302.153696][ T7558] ? __pfx___sys_bpf+0x10/0x10 [ 302.153740][ T7558] ? __fget_files+0x2a/0x420 [ 302.153800][ T7558] ? ksys_write+0x242/0x270 [ 302.153843][ T7558] ? __pfx_ksys_write+0x10/0x10 [ 302.153946][ T7558] __x64_sys_bpf+0xba/0xd0 [ 302.153981][ T7558] do_syscall_64+0x166/0x520 [ 302.154017][ T7558] ? trace_irq_disable+0x3b/0x140 [ 302.154043][ T7558] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 302.154071][ T7558] ? clear_bhb_loop+0x70/0xc0 [ 302.154104][ T7558] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 302.154131][ T7558] RIP: 0033:0x7f376db9a339 [ 302.154154][ T7558] Code: Unable to access opcode bytes at 0x7f376db9a30f. [ 302.154168][ T7558] RSP: 002b:00007f376e9b1028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 302.154195][ T7558] RAX: ffffffffffffffda RBX: 00007f376ddd5fa0 RCX: 00007f376db9a339 [ 302.154215][ T7558] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 302.154232][ T7558] RBP: 00007f376e9b1090 R08: 0000000000000000 R09: 0000000000000000 [ 302.154248][ T7558] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 302.154265][ T7558] R13: 00007f376ddd6038 R14: 00007f376ddd5fa0 R15: 00007ffc7f6ab4a8 [ 302.154307][ T7558] [ 302.699352][ T7559] FAULT_INJECTION: forcing a failure. [ 302.699352][ T7559] name failslab, interval 1, probability 0, space 0, times 0 [ 302.699392][ T7559] CPU: 1 UID: 0 PID: 7559 Comm: syz.2.346 Not tainted syzkaller #0 PREEMPT(full) [ 302.699426][ T7559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 302.699446][ T7559] Call Trace: [ 302.699455][ T7559] [ 302.699465][ T7559] dump_stack_lvl+0xe8/0x150 [ 302.699504][ T7559] should_fail_ex+0x410/0x560 [ 302.699537][ T7559] should_failslab+0xa8/0x100 [ 302.699566][ T7559] ? security_file_alloc+0x34/0x310 [ 302.699591][ T7559] kmem_cache_alloc_noprof+0xa1/0x600 [ 302.699625][ T7559] ? rcu_is_watching+0x16/0xb0 [ 302.699653][ T7559] ? security_file_alloc+0x34/0x310 [ 302.699686][ T7559] security_file_alloc+0x34/0x310 [ 302.699711][ T7559] init_file+0x90/0x2b0 [ 302.699742][ T7559] alloc_empty_file+0x74/0x1d0 [ 302.699771][ T7559] alloc_file_pseudo+0x115/0x1e0 [ 302.699804][ T7559] ? __pfx_alloc_file_pseudo+0x10/0x10 [ 302.699846][ T7559] anon_inode_getfd+0xc8/0x1f0 [ 302.699880][ T7559] bpf_enable_stats+0xdc/0x140 [ 302.699910][ T7559] __sys_bpf+0xb34/0xd90 [ 302.699953][ T7559] ? __pfx___sys_bpf+0x10/0x10 [ 302.699989][ T7559] ? __fget_files+0x2a/0x420 [ 302.700041][ T7559] ? ksys_write+0x242/0x270 [ 302.700077][ T7559] ? __pfx_ksys_write+0x10/0x10 [ 302.700118][ T7559] __x64_sys_bpf+0xba/0xd0 [ 302.700145][ T7559] do_syscall_64+0x166/0x520 [ 302.700179][ T7559] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 302.700204][ T7559] ? clear_bhb_loop+0x70/0xc0 [ 302.700232][ T7559] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 302.700261][ T7559] RIP: 0033:0x7f334639a339 [ 302.700283][ T7559] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 302.700307][ T7559] RSP: 002b:00007f3347156028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 302.700332][ T7559] RAX: ffffffffffffffda RBX: 00007f33465d6090 RCX: 00007f334639a339 [ 302.700349][ T7559] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 302.700363][ T7559] RBP: 00007f3347156090 R08: 0000000000000000 R09: 0000000000000000 [ 302.700376][ T7559] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 302.700389][ T7559] R13: 00007f33465d6128 R14: 00007f33465d6090 R15: 00007ffedbd5ef18 [ 302.700438][ T7559] [ 302.713245][ T7562] FAULT_INJECTION: forcing a failure. [ 302.713245][ T7562] name failslab, interval 1, probability 0, space 0, times 0 [ 302.713344][ T7562] CPU: 1 UID: 0 PID: 7562 Comm: syz.1.348 Not tainted syzkaller #0 PREEMPT(full) [ 302.713431][ T7562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 302.713472][ T7562] Call Trace: [ 302.713494][ T7562] [ 302.713525][ T7562] dump_stack_lvl+0xe8/0x150 [ 302.713622][ T7562] should_fail_ex+0x410/0x560 [ 302.713702][ T7562] should_failslab+0xa8/0x100 [ 302.713781][ T7562] ? alloc_empty_file+0x5b/0x1d0 [ 302.713857][ T7562] kmem_cache_alloc_noprof+0xa1/0x600 [ 302.713940][ T7562] ? alloc_empty_file+0x5b/0x1d0 [ 302.714031][ T7562] alloc_empty_file+0x5b/0x1d0 [ 302.714108][ T7562] alloc_file_pseudo+0x115/0x1e0 [ 302.714173][ T7562] ? __pfx_alloc_file_pseudo+0x10/0x10 [ 302.714280][ T7562] anon_inode_getfd+0xc8/0x1f0 [ 302.714361][ T7562] bpf_enable_stats+0xdc/0x140 [ 302.714491][ T7562] __sys_bpf+0xb34/0xd90 [ 302.714582][ T7562] ? __pfx___sys_bpf+0x10/0x10 [ 302.714680][ T7562] ? __fget_files+0x2a/0x420 [ 302.714819][ T7562] ? ksys_write+0x242/0x270 [ 302.714935][ T7562] ? __pfx_ksys_write+0x10/0x10 [ 302.715029][ T7562] __x64_sys_bpf+0xba/0xd0 [ 302.715104][ T7562] do_syscall_64+0x166/0x520 [ 302.715186][ T7562] ? trace_irq_disable+0x3b/0x140 [ 302.715250][ T7562] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 302.715307][ T7562] ? clear_bhb_loop+0x70/0xc0 [ 302.715383][ T7562] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 302.715458][ T7562] RIP: 0033:0x7fab4899a339 [ 302.715513][ T7562] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 302.715594][ T7562] RSP: 002b:00007fab49736028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 302.715653][ T7562] RAX: ffffffffffffffda RBX: 00007fab48bd5fa0 RCX: 00007fab4899a339 [ 302.715697][ T7562] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 302.715739][ T7562] RBP: 00007fab49736090 R08: 0000000000000000 R09: 0000000000000000 [ 302.715774][ T7562] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 302.715809][ T7562] R13: 00007fab48bd6038 R14: 00007fab48bd5fa0 R15: 00007ffc3d691b18 [ 302.715902][ T7562] [ 302.738708][ T7564] FAULT_INJECTION: forcing a failure. [ 302.738708][ T7564] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 302.738815][ T7564] CPU: 1 UID: 0 PID: 7564 Comm: syz.0.347 Not tainted syzkaller #0 PREEMPT(full) [ 302.738876][ T7564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 302.738923][ T7564] Call Trace: [ 302.738950][ T7564] [ 302.738966][ T7564] dump_stack_lvl+0xe8/0x150 [ 302.739077][ T7564] should_fail_ex+0x410/0x560 [ 302.739193][ T7564] strncpy_from_user+0x36/0x2c0 [ 302.739270][ T7564] strncpy_from_user_nofault+0x71/0x150 [ 302.739380][ T7564] bpf_probe_read_compat_str+0xe1/0x180 [ 302.739485][ T7564] bpf_prog_90df569eec4aaf11+0x70/0x76 [ 302.739571][ T7564] ? lock_acquire+0x115/0x350 [ 302.739676][ T7564] ? is_bpf_text_address+0x26/0x2b0 [ 302.739780][ T7564] bpf_trace_run2+0x56a/0xd30 [ 302.739853][ T7564] ? __pfx_bpf_trace_run2+0x10/0x10 [ 302.739942][ T7564] ? __bpf_trace_tlb_flush+0xfc/0x170 [ 302.740033][ T7564] __bpf_trace_tlb_flush+0x11d/0x170 [ 302.740101][ T7564] ? update_cfs_rq_load_avg+0x426/0x4e0 [ 302.740195][ T7564] ? __pfx___bpf_trace_tlb_flush+0x10/0x10 [ 302.740317][ T7564] ? __pfx___bpf_trace_tlb_flush+0x10/0x10 [ 302.740401][ T7564] __traceiter_tlb_flush+0x79/0xd0 [ 302.740481][ T7564] trace_tlb_flush+0x132/0x160 [ 302.740568][ T7564] switch_mm_irqs_off+0x458/0x680 [ 302.740664][ T7564] __schedule+0x11f5/0x58f0 [ 302.740818][ T7564] ? __pfx___schedule+0x10/0x10 [ 302.740897][ T7564] ? irqentry_exit+0x218/0x910 [ 302.740985][ T7564] ? trace_irq_disable+0x3b/0x140 [ 302.741070][ T7564] ? preempt_schedule_thunk+0x16/0x40 [ 302.741143][ T7564] preempt_schedule_common+0x7f/0xd0 [ 302.741216][ T7564] preempt_schedule_thunk+0x16/0x40 [ 302.741270][ T7564] _raw_spin_unlock+0x41/0x50 [ 302.741297][ T7564] alloc_path_pseudo+0x19c/0x220 [ 302.741336][ T7564] ? __pfx_alloc_path_pseudo+0x10/0x10 [ 302.741463][ T7564] alloc_file_pseudo+0xa8/0x1e0 [ 302.741550][ T7564] ? __pfx_alloc_file_pseudo+0x10/0x10 [ 302.741657][ T7564] anon_inode_getfd+0xc8/0x1f0 [ 302.741738][ T7564] bpf_enable_stats+0xdc/0x140 [ 302.741813][ T7564] __sys_bpf+0xb34/0xd90 [ 302.741933][ T7564] ? __pfx___sys_bpf+0x10/0x10 [ 302.742049][ T7564] ? __fget_files+0x2a/0x420 [ 302.742187][ T7564] ? ksys_write+0x242/0x270 [ 302.742293][ T7564] ? __pfx_ksys_write+0x10/0x10 [ 302.742395][ T7564] __x64_sys_bpf+0xba/0xd0 [ 302.742496][ T7564] do_syscall_64+0x166/0x520 [ 302.742591][ T7564] ? trace_irq_disable+0x3b/0x140 [ 302.742649][ T7564] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 302.742712][ T7564] ? clear_bhb_loop+0x70/0xc0 [ 302.742781][ T7564] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 302.742852][ T7564] RIP: 0033:0x7f98d0d9a339 [ 302.742909][ T7564] Code: Unable to access opcode bytes at 0x7f98d0d9a30f. [ 302.742942][ T7564] RSP: 002b:00007f98d03dd028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 302.743016][ T7564] RAX: ffffffffffffffda RBX: 00007f98d0fd6090 RCX: 00007f98d0d9a339 [ 302.743068][ T7564] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 302.743108][ T7564] RBP: 00007f98d03dd090 R08: 0000000000000000 R09: 0000000000000000 [ 302.743150][ T7564] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 302.743191][ T7564] R13: 00007f98d0fd6128 R14: 00007f98d0fd6090 R15: 00007ffc50f6fdd8 [ 302.743281][ T7564] [ 303.420251][ T7567] FAULT_INJECTION: forcing a failure. [ 303.420251][ T7567] name failslab, interval 1, probability 0, space 0, times 0 [ 303.420472][ T7567] CPU: 1 UID: 0 PID: 7567 Comm: syz.3.349 Not tainted syzkaller #0 PREEMPT(full) [ 303.420548][ T7567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 303.420591][ T7567] Call Trace: [ 303.420617][ T7567] [ 303.420646][ T7567] dump_stack_lvl+0xe8/0x150 [ 303.420746][ T7567] should_fail_ex+0x410/0x560 [ 303.420837][ T7567] should_failslab+0xa8/0x100 [ 303.420918][ T7567] ? alloc_empty_file+0x5b/0x1d0 [ 303.420960][ T7567] kmem_cache_alloc_noprof+0xa1/0x600 [ 303.420994][ T7567] ? alloc_empty_file+0x5b/0x1d0 [ 303.421024][ T7567] alloc_empty_file+0x5b/0x1d0 [ 303.421049][ T7567] alloc_file_pseudo+0x115/0x1e0 [ 303.421076][ T7567] ? __pfx_alloc_file_pseudo+0x10/0x10 [ 303.421155][ T7567] anon_inode_getfd+0xc8/0x1f0 [ 303.421245][ T7567] bpf_enable_stats+0xdc/0x140 [ 303.421380][ T7567] __sys_bpf+0xb34/0xd90 [ 303.421598][ T7567] ? __pfx___sys_bpf+0x10/0x10 [ 303.421702][ T7567] ? __fget_files+0x2a/0x420 [ 303.421849][ T7567] ? ksys_write+0x242/0x270 [ 303.421896][ T7567] ? __pfx_ksys_write+0x10/0x10 [ 303.421927][ T7567] __x64_sys_bpf+0xba/0xd0 [ 303.421972][ T7567] do_syscall_64+0x166/0x520 [ 303.422059][ T7567] ? trace_irq_disable+0x3b/0x140 [ 303.422124][ T7567] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 303.422189][ T7567] ? clear_bhb_loop+0x70/0xc0 [ 303.422258][ T7567] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 303.422323][ T7567] RIP: 0033:0x7f85f6b9a339 [ 303.422387][ T7567] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 303.422451][ T7567] RSP: 002b:00007f85f7a5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 303.422518][ T7567] RAX: ffffffffffffffda RBX: 00007f85f6dd6090 RCX: 00007f85f6b9a339 [ 303.422563][ T7567] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 303.422597][ T7567] RBP: 00007f85f7a5b090 R08: 0000000000000000 R09: 0000000000000000 [ 303.422628][ T7567] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 303.422669][ T7567] R13: 00007f85f6dd6128 R14: 00007f85f6dd6090 R15: 00007ffeb91e4de8 [ 303.422767][ T7567] [ 303.921548][ T7571] FAULT_INJECTION: forcing a failure. [ 303.921548][ T7571] name failslab, interval 1, probability 0, space 0, times 0 [ 303.921588][ T7571] CPU: 0 UID: 0 PID: 7571 Comm: syz.2.350 Not tainted syzkaller #0 PREEMPT(full) [ 303.921614][ T7571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 303.921629][ T7571] Call Trace: [ 303.921638][ T7571] [ 303.921649][ T7571] dump_stack_lvl+0xe8/0x150 [ 303.921696][ T7571] should_fail_ex+0x410/0x560 [ 303.921730][ T7571] should_failslab+0xa8/0x100 [ 303.921760][ T7571] ? security_file_alloc+0x34/0x310 [ 303.921786][ T7571] kmem_cache_alloc_noprof+0xa1/0x600 [ 303.921821][ T7571] ? rcu_is_watching+0x16/0xb0 [ 303.921850][ T7571] ? security_file_alloc+0x34/0x310 [ 303.921882][ T7571] security_file_alloc+0x34/0x310 [ 303.921908][ T7571] init_file+0x90/0x2b0 [ 303.921941][ T7571] alloc_empty_file+0x74/0x1d0 [ 303.921971][ T7571] alloc_file_pseudo+0x115/0x1e0 [ 303.922004][ T7571] ? __pfx_alloc_file_pseudo+0x10/0x10 [ 303.922046][ T7571] anon_inode_getfd+0xc8/0x1f0 [ 303.922080][ T7571] bpf_enable_stats+0xdc/0x140 [ 303.922111][ T7571] __sys_bpf+0xb34/0xd90 [ 303.922148][ T7571] ? __pfx___sys_bpf+0x10/0x10 [ 303.922186][ T7571] ? __fget_files+0x2a/0x420 [ 303.922237][ T7571] ? ksys_write+0x242/0x270 [ 303.922275][ T7571] ? __pfx_ksys_write+0x10/0x10 [ 303.922316][ T7571] __x64_sys_bpf+0xba/0xd0 [ 303.922344][ T7571] do_syscall_64+0x166/0x520 [ 303.922378][ T7571] ? trace_irq_disable+0x3b/0x140 [ 303.922402][ T7571] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 303.922427][ T7571] ? clear_bhb_loop+0x70/0xc0 [ 303.922456][ T7571] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 303.922480][ T7571] RIP: 0033:0x7f334639a339 [ 303.922513][ T7571] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 303.922535][ T7571] RSP: 002b:00007f3347156028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 303.922561][ T7571] RAX: ffffffffffffffda RBX: 00007f33465d6090 RCX: 00007f334639a339 [ 303.922578][ T7571] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 303.922593][ T7571] RBP: 00007f3347156090 R08: 0000000000000000 R09: 0000000000000000 [ 303.922608][ T7571] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 303.922623][ T7571] R13: 00007f33465d6128 R14: 00007f33465d6090 R15: 00007ffedbd5ef18 [ 303.922660][ T7571] [ 304.315308][ T7574] FAULT_INJECTION: forcing a failure. [ 304.315308][ T7574] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 304.315345][ T7574] CPU: 1 UID: 0 PID: 7574 Comm: syz.4.352 Not tainted syzkaller #0 PREEMPT(full) [ 304.315369][ T7574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 304.315413][ T7574] Call Trace: [ 304.315424][ T7574] [ 304.315435][ T7574] dump_stack_lvl+0xe8/0x150 [ 304.315473][ T7574] should_fail_ex+0x410/0x560 [ 304.315505][ T7574] strncpy_from_user+0x36/0x2c0 [ 304.315534][ T7574] strncpy_from_user_nofault+0x71/0x150 [ 304.315572][ T7574] bpf_probe_read_compat_str+0xe1/0x180 [ 304.315607][ T7574] bpf_prog_90df569eec4aaf11+0x70/0x76 [ 304.315628][ T7574] ? kmem_cache_alloc_noprof+0x156/0x600 [ 304.315664][ T7574] ? lock_acquire+0x115/0x350 [ 304.315705][ T7574] bpf_trace_run2+0x56a/0xd30 [ 304.315740][ T7574] ? __pfx_bpf_trace_run2+0x10/0x10 [ 304.315763][ T7574] ? kmem_cache_alloc_noprof+0x156/0x600 [ 304.315795][ T7574] ? __bpf_trace_tlb_flush+0xfc/0x170 [ 304.315826][ T7574] __bpf_trace_tlb_flush+0x11d/0x170 [ 304.315855][ T7574] ? __pfx___bpf_trace_tlb_flush+0x10/0x10 [ 304.315917][ T7574] ? do_raw_spin_lock+0x12b/0x2f0 [ 304.315951][ T7574] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 304.316002][ T7574] trace_tlb_flush+0x132/0x160 [ 304.316036][ T7574] switch_mm_irqs_off+0x458/0x680 [ 304.316071][ T7574] use_temporary_mm+0x96/0x140 [ 304.316102][ T7574] __text_poke+0x68d/0xa60 [ 304.316138][ T7574] ? __pfx_text_poke_memcpy+0x10/0x10 [ 304.316170][ T7574] ? __seccomp_filter+0x547/0x1de0 [ 304.316199][ T7574] ? __pfx___text_poke+0x10/0x10 [ 304.316251][ T7574] smp_text_poke_batch_finish+0x3c8/0x1110 [ 304.316284][ T7574] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 304.316325][ T7574] ? __pfx___mutex_lock+0x10/0x10 [ 304.316360][ T7574] ? __pfx_smp_text_poke_batch_finish+0x10/0x10 [ 304.316417][ T7574] ? arch_jump_label_transform_queue+0x97/0x110 [ 304.316453][ T7574] ? __jump_label_update+0x347/0x370 [ 304.316499][ T7574] arch_jump_label_transform_apply+0x1c/0x30 [ 304.316532][ T7574] static_key_slow_inc_cpuslocked+0x80/0xf0 [ 304.316559][ T7574] static_key_slow_inc+0x1a/0x30 [ 304.316583][ T7574] bpf_enable_stats+0x101/0x140 [ 304.316614][ T7574] __sys_bpf+0xb34/0xd90 [ 304.316652][ T7574] ? __pfx___sys_bpf+0x10/0x10 [ 304.316692][ T7574] ? __fget_files+0x2a/0x420 [ 304.316746][ T7574] ? ksys_write+0x242/0x270 [ 304.316785][ T7574] ? __pfx_ksys_write+0x10/0x10 [ 304.316827][ T7574] __x64_sys_bpf+0xba/0xd0 [ 304.316856][ T7574] do_syscall_64+0x166/0x520 [ 304.316889][ T7574] ? trace_irq_disable+0x3b/0x140 [ 304.316913][ T7574] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 304.316938][ T7574] ? clear_bhb_loop+0x70/0xc0 [ 304.316967][ T7574] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 304.316991][ T7574] RIP: 0033:0x7f376db9a339 [ 304.317013][ T7574] Code: Unable to access opcode bytes at 0x7f376db9a30f. [ 304.317024][ T7574] RSP: 002b:00007f376e9b1028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 304.317048][ T7574] RAX: ffffffffffffffda RBX: 00007f376ddd5fa0 RCX: 00007f376db9a339 [ 304.317065][ T7574] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 304.317079][ T7574] RBP: 00007f376e9b1090 R08: 0000000000000000 R09: 0000000000000000 [ 304.317095][ T7574] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 304.317109][ T7574] R13: 00007f376ddd6038 R14: 00007f376ddd5fa0 R15: 00007ffc7f6ab4a8 [ 304.317149][ T7574] [ 304.640455][ T7582] FAULT_INJECTION: forcing a failure. [ 304.640455][ T7582] name failslab, interval 1, probability 0, space 0, times 0 [ 304.640569][ T7582] CPU: 0 UID: 0 PID: 7582 Comm: syz.2.355 Not tainted syzkaller #0 PREEMPT(full) [ 304.640635][ T7582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 304.640730][ T7582] Call Trace: [ 304.640761][ T7582] [ 304.640786][ T7582] dump_stack_lvl+0xe8/0x150 [ 304.640891][ T7582] should_fail_ex+0x410/0x560 [ 304.640976][ T7582] should_failslab+0xa8/0x100 [ 304.641065][ T7582] ? security_file_alloc+0x34/0x310 [ 304.641131][ T7582] kmem_cache_alloc_noprof+0xa1/0x600 [ 304.641214][ T7582] ? rcu_is_watching+0x16/0xb0 [ 304.641290][ T7582] ? security_file_alloc+0x34/0x310 [ 304.641376][ T7582] security_file_alloc+0x34/0x310 [ 304.641442][ T7582] init_file+0x90/0x2b0 [ 304.641527][ T7582] alloc_empty_file+0x74/0x1d0 [ 304.641598][ T7582] alloc_file_pseudo+0x115/0x1e0 [ 304.641700][ T7582] ? __pfx_alloc_file_pseudo+0x10/0x10 [ 304.641824][ T7582] anon_inode_getfd+0xc8/0x1f0 [ 304.641926][ T7582] bpf_enable_stats+0xdc/0x140 [ 304.642009][ T7582] __sys_bpf+0xb34/0xd90 [ 304.642100][ T7582] ? __pfx___sys_bpf+0x10/0x10 [ 304.642202][ T7582] ? __fget_files+0x2a/0x420 [ 304.642240][ T7582] ? ksys_write+0x242/0x270 [ 304.642266][ T7582] ? __pfx_ksys_write+0x10/0x10 [ 304.642368][ T7582] __x64_sys_bpf+0xba/0xd0 [ 304.642434][ T7582] do_syscall_64+0x166/0x520 [ 304.642527][ T7582] ? trace_irq_disable+0x3b/0x140 [ 304.642589][ T7582] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 304.642646][ T7582] ? clear_bhb_loop+0x70/0xc0 [ 304.642727][ T7582] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 304.642783][ T7582] RIP: 0033:0x7f334639a339 [ 304.642848][ T7582] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 304.642913][ T7582] RSP: 002b:00007f3347156028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 304.642984][ T7582] RAX: ffffffffffffffda RBX: 00007f33465d6090 RCX: 00007f334639a339 [ 304.643029][ T7582] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 304.643070][ T7582] RBP: 00007f3347156090 R08: 0000000000000000 R09: 0000000000000000 [ 304.643107][ T7582] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 304.643147][ T7582] R13: 00007f33465d6128 R14: 00007f33465d6090 R15: 00007ffedbd5ef18 [ 304.643234][ T7582] [ 304.705369][ T7581] FAULT_INJECTION: forcing a failure. [ 304.705369][ T7581] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 304.705410][ T7581] CPU: 0 UID: 0 PID: 7581 Comm: syz.0.353 Not tainted syzkaller #0 PREEMPT(full) [ 304.705439][ T7581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 304.705455][ T7581] Call Trace: [ 304.705466][ T7581] [ 304.705477][ T7581] dump_stack_lvl+0xe8/0x150 [ 304.705518][ T7581] should_fail_ex+0x410/0x560 [ 304.705556][ T7581] _copy_to_user+0x31/0xb0 [ 304.705593][ T7581] simple_read_from_buffer+0xe1/0x170 [ 304.705637][ T7581] proc_fail_nth_read+0x1bb/0x230 2026/10/04 16:00:03 executed programs: 350 [ 304.705672][ T7581] ? common_file_perm+0x20e/0x2b0 [ 304.705708][ T7581] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 304.705740][ T7581] ? rw_verify_area+0x24a/0x4c0 [ 304.705797][ T7581] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 304.705821][ T7581] vfs_read+0x213/0xa80 [ 304.705865][ T7581] ? __pfx___mutex_lock+0x10/0x10 [ 304.705905][ T7581] ? __pfx_vfs_read+0x10/0x10 [ 304.705945][ T7581] ? __fget_files+0x2a/0x420 [ 304.705999][ T7581] ? __fget_files+0x3a2/0x420 [ 304.706033][ T7581] ? __fget_files+0x2a/0x420 [ 304.706097][ T7581] ksys_read+0x150/0x270 [ 304.706139][ T7581] ? __pfx_ksys_read+0x10/0x10 [ 304.706210][ T7581] do_syscall_64+0x166/0x520 [ 304.706247][ T7581] ? trace_irq_disable+0x3b/0x140 [ 304.706273][ T7581] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 304.706300][ T7581] ? clear_bhb_loop+0x70/0xc0 [ 304.706330][ T7581] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 304.706371][ T7581] RIP: 0033:0x7f98d0d5ac0e [ 304.706396][ T7581] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 304.706420][ T7581] RSP: 002b:00007f98d03dcfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 304.706448][ T7581] RAX: ffffffffffffffda RBX: 00007f98d03dd6c0 RCX: 00007f98d0d5ac0e [ 304.706468][ T7581] RDX: 000000000000000f RSI: 00007f98d03dd0a0 RDI: 0000000000000003 [ 304.706484][ T7581] RBP: 00007f98d03dd090 R08: 0000000000000000 R09: 0000000000000000 [ 304.706500][ T7581] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 304.706515][ T7581] R13: 00007f98d0fd6128 R14: 00007f98d0fd6090 R15: 00007ffc50f6fdd8 [ 304.706556][ T7581] [ 304.738027][ T7575] FAULT_INJECTION: forcing a failure. [ 304.738027][ T7575] name failslab, interval 1, probability 0, space 0, times 0 [ 304.738166][ T7575] CPU: 0 UID: 0 PID: 7575 Comm: syz.3.351 Not tainted syzkaller #0 PREEMPT(full) [ 304.738248][ T7575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 304.738287][ T7575] Call Trace: [ 304.738321][ T7575] [ 304.738365][ T7575] dump_stack_lvl+0xe8/0x150 [ 304.738476][ T7575] should_fail_ex+0x410/0x560 [ 304.738576][ T7575] should_failslab+0xa8/0x100 [ 304.738674][ T7575] ? alloc_empty_file+0x5b/0x1d0 [ 304.738775][ T7575] kmem_cache_alloc_noprof+0xa1/0x600 [ 304.738905][ T7575] ? alloc_empty_file+0x5b/0x1d0 [ 304.739011][ T7575] alloc_empty_file+0x5b/0x1d0 [ 304.739105][ T7575] alloc_file_pseudo+0x115/0x1e0 [ 304.739201][ T7575] ? __pfx_alloc_file_pseudo+0x10/0x10 [ 304.739323][ T7575] anon_inode_getfd+0xc8/0x1f0 [ 304.739457][ T7575] bpf_enable_stats+0xdc/0x140 [ 304.739550][ T7575] __sys_bpf+0xb34/0xd90 [ 304.739656][ T7575] ? __pfx___sys_bpf+0x10/0x10 [ 304.739793][ T7575] ? __fget_files+0x2a/0x420 [ 304.739981][ T7575] ? ksys_write+0x242/0x270 [ 304.740093][ T7575] ? __pfx_ksys_write+0x10/0x10 [ 304.740214][ T7575] __x64_sys_bpf+0xba/0xd0 [ 304.740298][ T7575] do_syscall_64+0x166/0x520 [ 304.740407][ T7575] ? trace_irq_disable+0x3b/0x140 [ 304.740476][ T7575] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 304.740548][ T7575] ? clear_bhb_loop+0x70/0xc0 [ 304.740640][ T7575] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 304.740749][ T7575] RIP: 0033:0x7f85f6b9a339 [ 304.740825][ T7575] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 304.740852][ T7575] RSP: 002b:00007f85f7a7c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 304.740878][ T7575] RAX: ffffffffffffffda RBX: 00007f85f6dd5fa0 RCX: 00007f85f6b9a339 [ 304.740896][ T7575] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 304.740912][ T7575] RBP: 00007f85f7a7c090 R08: 0000000000000000 R09: 0000000000000000 [ 304.740927][ T7575] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 304.740942][ T7575] R13: 00007f85f6dd6038 R14: 00007f85f6dd5fa0 R15: 00007ffeb91e4de8 [ 304.740980][ T7575] [ 304.901417][ T7584] FAULT_INJECTION: forcing a failure. [ 304.901417][ T7584] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 304.901528][ T7584] CPU: 0 UID: 0 PID: 7584 Comm: syz.1.354 Not tainted syzkaller #0 PREEMPT(full) [ 304.901607][ T7584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 304.901642][ T7584] Call Trace: [ 304.901672][ T7584] [ 304.901696][ T7584] dump_stack_lvl+0xe8/0x150 [ 304.901798][ T7584] should_fail_ex+0x410/0x560 [ 304.901884][ T7584] _copy_to_user+0x31/0xb0 [ 304.901970][ T7584] simple_read_from_buffer+0xe1/0x170 [ 304.902084][ T7584] proc_fail_nth_read+0x1bb/0x230 [ 304.902140][ T7584] ? common_file_perm+0x20e/0x2b0 [ 304.902227][ T7584] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 304.902303][ T7584] ? rw_verify_area+0x24a/0x4c0 [ 304.902399][ T7584] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 304.902486][ T7584] vfs_read+0x213/0xa80 [ 304.902587][ T7584] ? __pfx___mutex_lock+0x10/0x10 [ 304.902693][ T7584] ? __pfx_vfs_read+0x10/0x10 [ 304.903059][ T7584] ? __fget_files+0x2a/0x420 [ 304.903172][ T7584] ? __fget_files+0x3a2/0x420 [ 304.903367][ T7584] ? __fget_files+0x2a/0x420 [ 304.903398][ T7584] ksys_read+0x150/0x270 [ 304.903426][ T7584] ? __pfx_ksys_read+0x10/0x10 [ 304.903582][ T7584] do_syscall_64+0x166/0x520 [ 304.903669][ T7584] ? trace_irq_disable+0x3b/0x140 [ 304.903713][ T7584] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 304.903733][ T7584] ? clear_bhb_loop+0x70/0xc0 [ 304.903757][ T7584] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 304.903776][ T7584] RIP: 0033:0x7fab4895ac0e [ 304.903822][ T7584] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 304.903877][ T7584] RSP: 002b:00007fab47ffdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 304.903944][ T7584] RAX: ffffffffffffffda RBX: 00007fab47ffe6c0 RCX: 00007fab4895ac0e [ 304.903989][ T7584] RDX: 000000000000000f RSI: 00007fab47ffe0a0 RDI: 0000000000000003 [ 304.904032][ T7584] RBP: 00007fab47ffe090 R08: 0000000000000000 R09: 0000000000000000 [ 304.904066][ T7584] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 304.904110][ T7584] R13: 00007fab48bd6128 R14: 00007fab48bd6090 R15: 00007ffc3d691b18 [ 304.904220][ T7584] [ 305.947513][ T7589] FAULT_INJECTION: forcing a failure. [ 305.947513][ T7589] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 305.947560][ T7589] CPU: 1 UID: 0 PID: 7589 Comm: syz.0.357 Not tainted syzkaller #0 PREEMPT(full) [ 305.947596][ T7589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 305.947614][ T7589] Call Trace: [ 305.947624][ T7589] [ 305.947634][ T7589] dump_stack_lvl+0xe8/0x150 [ 305.947677][ T7589] should_fail_ex+0x410/0x560 [ 305.947710][ T7589] strncpy_from_user+0x36/0x2c0 [ 305.947743][ T7589] strncpy_from_user_nofault+0x71/0x150 [ 305.947783][ T7589] bpf_probe_read_compat_str+0xe1/0x180 [ 305.947823][ T7589] bpf_prog_90df569eec4aaf11+0x70/0x76 [ 305.947853][ T7589] ? lock_acquire+0x115/0x350 [ 305.947897][ T7589] bpf_trace_run2+0x56a/0xd30 [ 305.947930][ T7589] ? __pfx_bpf_trace_run2+0x10/0x10 [ 305.947961][ T7589] ? __bpf_trace_tlb_flush+0xfc/0x170 [ 305.947998][ T7589] __bpf_trace_tlb_flush+0x11d/0x170 [ 305.948034][ T7589] ? __pfx___bpf_trace_tlb_flush+0x10/0x10 [ 305.948063][ T7589] ? do_raw_spin_lock+0x12b/0x2f0 [ 305.948096][ T7589] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 305.948137][ T7589] trace_tlb_flush+0x132/0x160 [ 305.948181][ T7589] switch_mm_irqs_off+0x458/0x680 [ 305.948217][ T7589] use_temporary_mm+0x96/0x140 [ 305.948249][ T7589] __text_poke+0x68d/0xa60 [ 305.948284][ T7589] ? __pfx_text_poke_memcpy+0x10/0x10 [ 305.948314][ T7589] ? __seccomp_filter+0x547/0x1de0 [ 305.948341][ T7589] ? __pfx___text_poke+0x10/0x10 [ 305.948380][ T7589] smp_text_poke_batch_finish+0x3c8/0x1110 [ 305.948413][ T7589] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 305.948454][ T7589] ? __pfx___mutex_lock+0x10/0x10 [ 305.948489][ T7589] ? __pfx_smp_text_poke_batch_finish+0x10/0x10 [ 305.948526][ T7589] ? arch_jump_label_transform_queue+0x97/0x110 [ 305.948562][ T7589] ? __jump_label_update+0x347/0x370 [ 305.948595][ T7589] arch_jump_label_transform_apply+0x1c/0x30 [ 305.948628][ T7589] static_key_slow_inc_cpuslocked+0x80/0xf0 [ 305.948652][ T7589] static_key_slow_inc+0x1a/0x30 [ 305.948677][ T7589] bpf_enable_stats+0x101/0x140 [ 305.948747][ T7589] __sys_bpf+0xb34/0xd90 [ 305.948785][ T7589] ? __pfx___sys_bpf+0x10/0x10 [ 305.948824][ T7589] ? __fget_files+0x2a/0x420 [ 305.948877][ T7589] ? ksys_write+0x242/0x270 [ 305.948915][ T7589] ? __pfx_ksys_write+0x10/0x10 [ 305.948956][ T7589] __x64_sys_bpf+0xba/0xd0 [ 305.948984][ T7589] do_syscall_64+0x166/0x520 [ 305.949016][ T7589] ? trace_irq_disable+0x3b/0x140 [ 305.949039][ T7589] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 305.949076][ T7589] ? clear_bhb_loop+0x70/0xc0 [ 305.949105][ T7589] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 305.949129][ T7589] RIP: 0033:0x7f98d0d9a339 [ 305.949159][ T7589] Code: Unable to access opcode bytes at 0x7f98d0d9a30f. [ 305.949172][ T7589] RSP: 002b:00007f98d03fe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 305.949198][ T7589] RAX: ffffffffffffffda RBX: 00007f98d0fd5fa0 RCX: 00007f98d0d9a339 [ 305.949216][ T7589] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 [ 305.949231][ T7589] RBP: 00007f98d03fe090 R08: 0000000000000000 R09: 0000000000000000 [ 305.949247][ T7589] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 305.949262][ T7589] R13: 00007f98d0fd6038 R14: 00007f98d0fd5fa0 R15: 00007ffc50f6fdd8 [ 305.949339][ T7589] [ 306.401897][ T7592] FAULT_INJECTION: forcing a failure. [ 306.401897][ T7592] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 306.401942][ T7592] CPU: 0 UID: 0 PID: 7592 Comm: syz.2.356 Not tainted syzkaller #0 PREEMPT(full) [ 306.401980][ T7592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 306.401996][ T7592] Call Trace: [ 306.402009][ T7592] [ 306.402021][ T7592] dump_stack_lvl+0xe8/0x150 [ 306.402063][ T7592] should_fail_ex+0x410/0x560 [ 306.402099][ T7592] _copy_to_user+0x31/0xb0 [ 306.402137][ T7592] simple_read_from_buffer+0xe1/0x170 [ 306.402198][ T7592] proc_fail_nth_read+0x1bb/0x230 [ 306.402222][ T7592] ? common_file_perm+0x20e/0x2b0 [ 306.402258][ T7592] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 306.402289][ T7592] ? rw_verify_area+0x24a/0x4c0 [ 306.402328][ T7592] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 306.402354][ T7592] vfs_read+0x213/0xa80 [ 306.402399][ T7592] ? __pfx___mutex_lock+0x10/0x10 [ 306.402437][ T7592] ? __pfx_vfs_read+0x10/0x10 [ 306.402476][ T7592] ? __fget_files+0x2a/0x420 [ 306.402517][ T7592] ? __fget_files+0x3a2/0x420 [ 306.402552][ T7592] ? __fget_files+0x2a/0x420 [ 306.402803][ T7592] ksys_read+0x150/0x270 [ 306.402845][ T7592] ? __pfx_ksys_read+0x10/0x10 [ 306.403061][ T7592] do_syscall_64+0x166/0x520 [ 306.403097][ T7592] ? trace_irq_disable+0x3b/0x140 [ 306.403120][ T7592] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 306.403149][ T7592] ? clear_bhb_loop+0x70/0xc0 [ 306.403176][ T7592] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 306.403200][ T7592] RIP: 0033:0x7f334635ac0e [ 306.403223][ T7592] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 306.403248][ T7592] RSP: 002b:00007f3347155fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 306.403274][ T7592] RAX: ffffffffffffffda RBX: 00007f33471566c0 RCX: 00007f334635ac0e [ 306.403291][ T7592] RDX: 000000000000000f RSI: 00007f33471560a0 RDI: 0000000000000003 [ 306.403307][ T7592] RBP: 00007f3347156090 R08: 0000000000000000 R09: 0000000000000000 [ 306.403321][ T7592] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 306.403335][ T7592] R13: 00007f33465d6128 R14: 00007f33465d6090 R15: 00007ffedbd5ef18 [ 306.403478][ T7592] [ 306.582604][ T7597] FAULT_INJECTION: forcing a failure. [ 306.582604][ T7597] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 306.582785][ T7597] CPU: 0 UID: 0 PID: 7597 Comm: syz.1.358 Not tainted syzkaller #0 PREEMPT(full) [ 306.582870][ T7597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 306.582908][ T7597] Call Trace: [ 306.582944][ T7597] [ 306.582978][ T7597] dump_stack_lvl+0xe8/0x150 [ 306.583092][ T7597] should_fail_ex+0x410/0x560 [ 306.583247][ T7597] _copy_to_user+0x31/0xb0 [ 306.583344][ T7597] simple_read_from_buffer+0xe1/0x170 [ 306.583449][ T7597] proc_fail_nth_read+0x1bb/0x230 [ 306.583512][ T7597] ? common_file_perm+0x20e/0x2b0 [ 306.583619][ T7597] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 306.583708][ T7597] ? rw_verify_area+0x24a/0x4c0 [ 306.583816][ T7597] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 306.583899][ T7597] vfs_read+0x213/0xa80 [ 306.584028][ T7597] ? __pfx___mutex_lock+0x10/0x10 [ 306.584149][ T7597] ? __pfx_vfs_read+0x10/0x10 [ 306.584256][ T7597] ? __fget_files+0x2a/0x420 [ 306.584362][ T7597] ? __fget_files+0x3a2/0x420 [ 306.584434][ T7597] ? __fget_files+0x2a/0x420 [ 306.584565][ T7597] ksys_read+0x150/0x270 [ 306.584666][ T7597] ? __pfx_ksys_read+0x10/0x10 [ 306.584812][ T7597] do_syscall_64+0x166/0x520 [ 306.584949][ T7597] ? trace_irq_disable+0x3b/0x140 [ 306.585014][ T7597] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 306.585113][ T7597] ? clear_bhb_loop+0x70/0xc0 [ 306.585375][ T7597] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 306.585442][ T7597] RIP: 0033:0x7fab4895ac0e [ 306.585507][ T7597] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 306.585563][ T7597] RSP: 002b:00007fab47ffdfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 306.585646][ T7597] RAX: ffffffffffffffda RBX: 00007fab47ffe6c0 RCX: 00007fab4895ac0e [ 306.585692][ T7597] RDX: 000000000000000f RSI: 00007fab47ffe0a0 RDI: 0000000000000003 [ 306.585706][ T7597] RBP: 00007fab47ffe090 R08: 0000000000000000 R09: 0000000000000000 [ 306.585719][ T7597] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 306.585731][ T7597] R13: 00007fab48bd6128 R14: 00007fab48bd6090 R15: 00007ffc3d691b18 [ 306.585765][ T7597] [ 306.663252][ T7598] FAULT_INJECTION: forcing a failure. [ 306.663252][ T7598] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 306.663350][ T7598] CPU: 0 UID: 0 PID: 7598 Comm: syz.3.360 Not tainted syzkaller #0 PREEMPT(full) [ 306.663416][ T7598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 306.663457][ T7598] Call Trace: [ 306.663480][ T7598] [ 306.663505][ T7598] dump_stacRead from remote host us-central1-ssh-serialport.googleapis.com: Connection reset by peer client_loop: send disconnect: Broken pipe 2026/10/04 16:00:08 executed programs: 367