Warning: Permanently added '10.128.0.127' (ED25519) to the list of known hosts.
2025/11/04 18:04:36 parsed 1 programs
[ 45.363544][ T28] audit: type=1400 audit(1762279477.527:106): avc: denied { unlink } for pid=403 comm="syz-executor" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t"
[ 45.429673][ T403] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 46.066896][ T28] audit: type=1401 audit(1762279478.227:107): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768"
[ 46.243505][ T28] audit: type=1400 audit(1762279478.407:108): avc: denied { create } for pid=428 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1
[ 46.316225][ T413] bridge0: port 1(bridge_slave_0) entered blocking state
[ 46.330041][ T413] bridge0: port 1(bridge_slave_0) entered disabled state
[ 46.345803][ T413] device bridge_slave_0 entered promiscuous mode
[ 46.365313][ T413] bridge0: port 2(bridge_slave_1) entered blocking state
[ 46.372361][ T413] bridge0: port 2(bridge_slave_1) entered disabled state
[ 46.389962][ T413] device bridge_slave_1 entered promiscuous mode
[ 46.650126][ T413] bridge0: port 2(bridge_slave_1) entered blocking state
[ 46.657215][ T413] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 46.664521][ T413] bridge0: port 1(bridge_slave_0) entered blocking state
[ 46.671552][ T413] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 46.697378][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 46.705275][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 46.712718][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 46.720751][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 46.734117][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 46.742397][ T8] bridge0: port 1(bridge_slave_0) entered blocking state
[ 46.749484][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 46.757414][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 46.766024][ T8] bridge0: port 2(bridge_slave_1) entered blocking state
[ 46.773094][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 46.793864][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 46.801981][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 46.814361][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 46.837071][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 46.853508][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 46.871105][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 46.880396][ T413] device veth0_vlan entered promiscuous mode
[ 46.892491][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
2025/11/04 18:04:39 executed programs: 0
[ 46.901522][ T413] device veth1_macvtap entered promiscuous mode
[ 46.912397][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 46.922259][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 47.082297][ T475] bridge0: port 1(bridge_slave_0) entered blocking state
[ 47.089397][ T475] bridge0: port 1(bridge_slave_0) entered disabled state
[ 47.096952][ T475] device bridge_slave_0 entered promiscuous mode
[ 47.115218][ T475] bridge0: port 2(bridge_slave_1) entered blocking state
[ 47.122274][ T475] bridge0: port 2(bridge_slave_1) entered disabled state
[ 47.129736][ T475] device bridge_slave_1 entered promiscuous mode
[ 47.145162][ T477] bridge0: port 1(bridge_slave_0) entered blocking state
[ 47.152223][ T477] bridge0: port 1(bridge_slave_0) entered disabled state
[ 47.159637][ T477] device bridge_slave_0 entered promiscuous mode
[ 47.183905][ T477] bridge0: port 2(bridge_slave_1) entered blocking state
[ 47.190965][ T477] bridge0: port 2(bridge_slave_1) entered disabled state
[ 47.198384][ T477] device bridge_slave_1 entered promiscuous mode
[ 47.247675][ T480] bridge0: port 1(bridge_slave_0) entered blocking state
[ 47.255043][ T480] bridge0: port 1(bridge_slave_0) entered disabled state
[ 47.262323][ T480] device bridge_slave_0 entered promiscuous mode
[ 47.272410][ T480] bridge0: port 2(bridge_slave_1) entered blocking state
[ 47.279542][ T480] bridge0: port 2(bridge_slave_1) entered disabled state
[ 47.286934][ T480] device bridge_slave_1 entered promiscuous mode
[ 47.305962][ T478] bridge0: port 1(bridge_slave_0) entered blocking state
[ 47.313119][ T478] bridge0: port 1(bridge_slave_0) entered disabled state
[ 47.320424][ T478] device bridge_slave_0 entered promiscuous mode
[ 47.328956][ T478] bridge0: port 2(bridge_slave_1) entered blocking state
[ 47.336072][ T478] bridge0: port 2(bridge_slave_1) entered disabled state
[ 47.343513][ T478] device bridge_slave_1 entered promiscuous mode
[ 47.432923][ T481] bridge0: port 1(bridge_slave_0) entered blocking state
[ 47.440010][ T481] bridge0: port 1(bridge_slave_0) entered disabled state
[ 47.447614][ T481] device bridge_slave_0 entered promiscuous mode
[ 47.471689][ T481] bridge0: port 2(bridge_slave_1) entered blocking state
[ 47.478860][ T481] bridge0: port 2(bridge_slave_1) entered disabled state
[ 47.486305][ T481] device bridge_slave_1 entered promiscuous mode
[ 47.654104][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 47.661509][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 47.669220][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 47.676662][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 47.684335][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 47.692603][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 47.700974][ T43] bridge0: port 1(bridge_slave_0) entered blocking state
[ 47.708034][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 47.715611][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 47.723916][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 47.732061][ T43] bridge0: port 2(bridge_slave_1) entered blocking state
[ 47.739108][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 47.746507][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 47.754893][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 47.763276][ T43] bridge0: port 1(bridge_slave_0) entered blocking state
[ 47.770304][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 47.777763][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 47.785411][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 47.804224][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 47.812506][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 47.821012][ T43] bridge0: port 2(bridge_slave_1) entered blocking state
[ 47.828102][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 47.836285][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 47.844293][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 47.875556][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 47.883138][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 47.890561][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 47.922054][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 47.930427][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 47.938659][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 47.946549][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 47.954218][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 47.962455][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 47.970952][ T43] bridge0: port 1(bridge_slave_0) entered blocking state
[ 47.978155][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 47.985838][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 47.994232][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 48.002542][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 48.010922][ T43] bridge0: port 2(bridge_slave_1) entered blocking state
[ 48.017959][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 48.025515][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 48.032940][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 48.040684][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 48.049091][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 48.057317][ T43] bridge0: port 1(bridge_slave_0) entered blocking state
[ 48.064539][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 48.072000][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 48.080451][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 48.088669][ T43] bridge0: port 2(bridge_slave_1) entered blocking state
[ 48.095692][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 48.103344][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 48.110989][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 48.118709][ T478] device veth0_vlan entered promiscuous mode
[ 48.144948][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 48.154231][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 48.162171][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 48.169805][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 48.177728][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 48.185956][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 48.194141][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 48.202082][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 48.222652][ T480] device veth0_vlan entered promiscuous mode
[ 48.229981][ T475] device veth0_vlan entered promiscuous mode
[ 48.236617][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 48.245468][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 48.254015][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 48.261422][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 48.292798][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 48.300748][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 48.309956][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 48.318404][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 48.327575][ T43] bridge0: port 1(bridge_slave_0) entered blocking state
[ 48.334615][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 48.342155][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 48.350404][ T43] bridge0: port 2(bridge_slave_1) entered blocking state
[ 48.357439][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 48.365033][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 48.377232][ T477] device veth0_vlan entered promiscuous mode
[ 48.387579][ T475] device veth1_macvtap entered promiscuous mode
[ 48.395668][ T478] device veth1_macvtap entered promiscuous mode
[ 48.404539][ T480] device veth1_macvtap entered promiscuous mode
[ 48.413055][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 48.420971][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 48.429227][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 48.437688][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 48.445887][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 48.453535][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 48.461784][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 48.470141][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 48.477940][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 48.486237][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 48.494349][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 48.502318][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 48.510488][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 48.518817][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 48.527194][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 48.534737][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 48.549725][ T477] device veth1_macvtap entered promiscuous mode
[ 48.563999][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 48.572229][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 48.580600][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 48.588506][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 48.596994][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 48.605402][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 48.613695][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 48.622067][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 48.630466][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 48.640353][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 48.648990][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 48.660963][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 48.669551][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 48.677922][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 48.686452][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 48.705274][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 48.713633][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 48.730366][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 48.738942][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 48.770038][ T28] audit: type=1400 audit(1762279480.927:109): avc: denied { bpf } for pid=527 comm="syz.2.19" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1
[ 48.810812][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 48.816286][ T530] FAULT_INJECTION: forcing a failure.
[ 48.816286][ T530] name fail_usercopy, interval 1, probability 0, space 0, times 1
[ 48.830896][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 48.832166][ T528] FAULT_INJECTION: forcing a failure.
[ 48.832166][ T528] name fail_usercopy, interval 1, probability 0, space 0, times 1
[ 48.841596][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 48.860571][ T530] CPU: 0 PID: 530 Comm: syz.3.20 Not tainted syzkaller #0
[ 48.860975][ T532] FAULT_INJECTION: forcing a failure.
[ 48.860975][ T532] name fail_usercopy, interval 1, probability 0, space 0, times 1
[ 48.867713][ T530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 48.867734][ T530] Call Trace:
[ 48.867739][ T530]
[ 48.867746][ T530] __dump_stack+0x21/0x24
[ 48.882895][ T28] audit: type=1400 audit(1762279480.927:110): avc: denied { prog_load } for pid=527 comm="syz.2.19" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1
[ 48.890848][ T530] dump_stack_lvl+0xee/0x150
[ 48.890871][ T530] ? __cfi_dump_stack_lvl+0x8/0x8
[ 48.890888][ T530] dump_stack+0x15/0x24
[ 48.894625][ T28] audit: type=1400 audit(1762279480.927:111): avc: denied { perfmon } for pid=527 comm="syz.2.19" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1
[ 48.897059][ T530] should_fail_ex+0x3d4/0x520
[ 48.901367][ T28] audit: type=1400 audit(1762279480.957:112): avc: denied { prog_run } for pid=529 comm="syz.3.20" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1
[ 48.920071][ T530] should_fail+0xb/0x10
[ 48.920092][ T530] should_fail_usercopy+0x1a/0x20
[ 48.920109][ T530] _copy_to_user+0x1e/0x90
[ 48.920125][ T530] simple_read_from_buffer+0xe9/0x160
[ 48.920141][ T530] proc_fail_nth_read+0x19a/0x210
[ 48.920157][ T530] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 48.920173][ T530] ? security_file_permission+0x94/0xb0
[ 48.920192][ T530] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 48.920207][ T530] vfs_read+0x26e/0x8c0
[ 48.920229][ T530] ? __cfi_vfs_read+0x10/0x10
[ 48.920247][ T530] ? __kasan_check_write+0x14/0x20
[ 48.920261][ T530] ? mutex_lock+0x8d/0x1a0
[ 48.920280][ T530] ? __cfi_mutex_lock+0x10/0x10
[ 48.920297][ T530] ? __fdget_pos+0x2cd/0x380
[ 48.929243][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 48.930061][ T530] ? ksys_read+0x71/0x240
[ 49.057496][ T530] ksys_read+0x140/0x240
[ 49.061733][ T530] ? __cfi_ksys_read+0x10/0x10
[ 49.066481][ T530] ? debug_smp_processor_id+0x17/0x20
[ 49.071868][ T530] __x64_sys_read+0x7b/0x90
[ 49.076351][ T530] x64_sys_call+0x2f/0x9a0
[ 49.080749][ T530] do_syscall_64+0x4c/0xa0
[ 49.085144][ T530] ? clear_bhb_loop+0x30/0x80
[ 49.089805][ T530] ? clear_bhb_loop+0x30/0x80
[ 49.094469][ T530] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 49.100344][ T530] RIP: 0033:0x7fdacd58d5fc
[ 49.104748][ T530] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 49.124338][ T530] RSP: 002b:00007fdace445030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 49.132758][ T530] RAX: ffffffffffffffda RBX: 00007fdacd7b5fa0 RCX: 00007fdacd58d5fc
[ 49.140796][ T530] RDX: 000000000000000f RSI: 00007fdace4450a0 RDI: 0000000000000005
[ 49.148761][ T530] RBP: 00007fdace445090 R08: 0000000000000000 R09: 0000000000000000
[ 49.156723][ T530] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 49.164674][ T530] R13: 00007fdacd7b6038 R14: 00007fdacd7b5fa0 R15: 00007ffc1c454ff8
[ 49.172659][ T530]
[ 49.187028][ T528] CPU: 0 PID: 528 Comm: syz.2.19 Not tainted syzkaller #0
[ 49.194173][ T528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 49.204222][ T528] Call Trace:
[ 49.207491][ T528]
[ 49.207858][ T28] audit: type=1400 audit(1762279480.957:113): avc: denied { open } for pid=529 comm="syz.3.20" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=perf_event permissive=1
[ 49.210407][ T528] __dump_stack+0x21/0x24
[ 49.233682][ T528] dump_stack_lvl+0xee/0x150
[ 49.238273][ T528] ? __cfi_dump_stack_lvl+0x8/0x8
[ 49.243288][ T528] dump_stack+0x15/0x24
[ 49.247467][ T528] should_fail_ex+0x3d4/0x520
[ 49.252310][ T528] should_fail+0xb/0x10
[ 49.256464][ T528] should_fail_usercopy+0x1a/0x20
[ 49.261506][ T528] _copy_to_user+0x1e/0x90
[ 49.263298][ T28] audit: type=1400 audit(1762279480.957:114): avc: denied { kernel } for pid=529 comm="syz.3.20" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=perf_event permissive=1
[ 49.266023][ T528] simple_read_from_buffer+0xe9/0x160
[ 49.290370][ T528] proc_fail_nth_read+0x19a/0x210
[ 49.295391][ T528] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 49.300931][ T528] ? security_file_permission+0x94/0xb0
[ 49.306466][ T528] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 49.312097][ T528] vfs_read+0x26e/0x8c0
[ 49.316256][ T528] ? __cfi_vfs_read+0x10/0x10
[ 49.320937][ T528] ? __kasan_check_write+0x14/0x20
[ 49.326480][ T528] ? mutex_lock+0x8d/0x1a0
[ 49.330889][ T528] ? __cfi_mutex_lock+0x10/0x10
[ 49.335727][ T528] ? __fdget_pos+0x2cd/0x380
[ 49.340301][ T528] ? ksys_read+0x71/0x240
[ 49.344630][ T528] ksys_read+0x140/0x240
[ 49.348947][ T528] ? __cfi_ksys_read+0x10/0x10
[ 49.353699][ T528] ? debug_smp_processor_id+0x17/0x20
[ 49.359142][ T528] __x64_sys_read+0x7b/0x90
[ 49.363641][ T528] x64_sys_call+0x2f/0x9a0
[ 49.368138][ T528] do_syscall_64+0x4c/0xa0
[ 49.372718][ T528] ? clear_bhb_loop+0x30/0x80
[ 49.377478][ T528] ? clear_bhb_loop+0x30/0x80
[ 49.382155][ T528] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 49.388038][ T528] RIP: 0033:0x7fbb4978d5fc
[ 49.392439][ T528] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 49.412032][ T528] RSP: 002b:00007fbb4a5d6030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 49.420438][ T528] RAX: ffffffffffffffda RBX: 00007fbb499b5fa0 RCX: 00007fbb4978d5fc
[ 49.428402][ T528] RDX: 000000000000000f RSI: 00007fbb4a5d60a0 RDI: 0000000000000005
[ 49.436360][ T528] RBP: 00007fbb4a5d6090 R08: 0000000000000000 R09: 0000000000000000
[ 49.444407][ T528] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 49.452361][ T528] R13: 00007fbb499b6038 R14: 00007fbb499b5fa0 R15: 00007ffe4f2ae278
[ 49.460324][ T528]
[ 49.463332][ T532] CPU: 1 PID: 532 Comm: syz.0.17 Not tainted syzkaller #0
[ 49.470443][ T532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 49.480489][ T532] Call Trace:
[ 49.483757][ T532]
[ 49.486672][ T532] __dump_stack+0x21/0x24
[ 49.490985][ T532] dump_stack_lvl+0xee/0x150
[ 49.495557][ T532] ? __cfi_dump_stack_lvl+0x8/0x8
[ 49.500562][ T532] dump_stack+0x15/0x24
[ 49.504708][ T532] should_fail_ex+0x3d4/0x520
[ 49.509381][ T532] should_fail+0xb/0x10
[ 49.513596][ T532] should_fail_usercopy+0x1a/0x20
[ 49.518614][ T532] _copy_to_user+0x1e/0x90
[ 49.523016][ T532] simple_read_from_buffer+0xe9/0x160
[ 49.528390][ T532] proc_fail_nth_read+0x19a/0x210
[ 49.533415][ T532] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 49.538964][ T532] ? security_file_permission+0x94/0xb0
[ 49.544550][ T532] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 49.550116][ T532] vfs_read+0x26e/0x8c0
[ 49.554258][ T532] ? __cfi_vfs_read+0x10/0x10
[ 49.558922][ T532] ? __kasan_check_write+0x14/0x20
[ 49.564023][ T532] ? mutex_lock+0x8d/0x1a0
[ 49.568437][ T532] ? __cfi_mutex_lock+0x10/0x10
[ 49.573274][ T532] ? __fdget_pos+0x2cd/0x380
[ 49.577849][ T532] ? ksys_read+0x71/0x240
[ 49.582277][ T532] ksys_read+0x140/0x240
[ 49.586595][ T532] ? __cfi_ksys_read+0x10/0x10
[ 49.591344][ T532] ? debug_smp_processor_id+0x17/0x20
[ 49.596695][ T532] __x64_sys_read+0x7b/0x90
[ 49.601269][ T532] x64_sys_call+0x2f/0x9a0
[ 49.605668][ T532] do_syscall_64+0x4c/0xa0
[ 49.610093][ T532] ? clear_bhb_loop+0x30/0x80
[ 49.614757][ T532] ? clear_bhb_loop+0x30/0x80
[ 49.619417][ T532] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 49.625305][ T532] RIP: 0033:0x7fb920d8d5fc
[ 49.629701][ T532] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 49.649372][ T532] RSP: 002b:00007fb921c07030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 49.657778][ T532] RAX: ffffffffffffffda RBX: 00007fb920fb5fa0 RCX: 00007fb920d8d5fc
[ 49.665730][ T532] RDX: 000000000000000f RSI: 00007fb921c070a0 RDI: 0000000000000005
[ 49.673683][ T532] RBP: 00007fb921c07090 R08: 0000000000000000 R09: 0000000000000000
[ 49.681659][ T532] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 49.689643][ T532] R13: 00007fb920fb6038 R14: 00007fb920fb5fa0 R15: 00007ffd932bea48
[ 49.697615][ T532]
[ 49.709824][ T481] device veth0_vlan entered promiscuous mode
[ 49.716768][ T535] FAULT_INJECTION: forcing a failure.
[ 49.716768][ T535] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 49.722351][ T541] FAULT_INJECTION: forcing a failure.
[ 49.722351][ T541] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 49.744050][ T537] FAULT_INJECTION: forcing a failure.
[ 49.744050][ T537] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 49.762309][ T541] CPU: 0 PID: 541 Comm: syz.0.23 Not tainted syzkaller #0
[ 49.769441][ T541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 49.779501][ T541] Call Trace:
[ 49.782765][ T541]
[ 49.785737][ T541] __dump_stack+0x21/0x24
[ 49.790057][ T541] dump_stack_lvl+0xee/0x150
[ 49.794628][ T541] ? __cfi_dump_stack_lvl+0x8/0x8
[ 49.799639][ T541] dump_stack+0x15/0x24
[ 49.803774][ T541] should_fail_ex+0x3d4/0x520
[ 49.808524][ T541] should_fail+0xb/0x10
[ 49.812666][ T541] should_fail_usercopy+0x1a/0x20
[ 49.817693][ T541] _copy_to_user+0x1e/0x90
[ 49.822116][ T541] simple_read_from_buffer+0xe9/0x160
[ 49.827485][ T541] proc_fail_nth_read+0x19a/0x210
[ 49.832508][ T541] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 49.838037][ T541] ? security_file_permission+0x94/0xb0
[ 49.843572][ T541] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 49.849098][ T541] vfs_read+0x26e/0x8c0
[ 49.853257][ T541] ? __cfi_vfs_read+0x10/0x10
[ 49.858027][ T541] ? __kasan_check_write+0x14/0x20
[ 49.863133][ T541] ? mutex_lock+0x8d/0x1a0
[ 49.867541][ T541] ? __cfi_mutex_lock+0x10/0x10
[ 49.872379][ T541] ? __fdget_pos+0x2cd/0x380
[ 49.877034][ T541] ? ksys_read+0x71/0x240
[ 49.881438][ T541] ksys_read+0x140/0x240
[ 49.885755][ T541] ? __cfi_ksys_read+0x10/0x10
[ 49.890679][ T541] ? debug_smp_processor_id+0x17/0x20
[ 49.896058][ T541] __x64_sys_read+0x7b/0x90
[ 49.900539][ T541] x64_sys_call+0x2f/0x9a0
[ 49.905034][ T541] do_syscall_64+0x4c/0xa0
[ 49.909457][ T541] ? clear_bhb_loop+0x30/0x80
[ 49.914163][ T541] ? clear_bhb_loop+0x30/0x80
[ 49.919191][ T541] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 49.925072][ T541] RIP: 0033:0x7fb920d8d5fc
[ 49.929469][ T541] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 49.949057][ T541] RSP: 002b:00007fb921c07030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 49.957474][ T541] RAX: ffffffffffffffda RBX: 00007fb920fb5fa0 RCX: 00007fb920d8d5fc
[ 49.965429][ T541] RDX: 000000000000000f RSI: 00007fb921c070a0 RDI: 0000000000000005
[ 49.973558][ T541] RBP: 00007fb921c07090 R08: 0000000000000000 R09: 0000000000000000
[ 49.981611][ T541] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 49.989578][ T541] R13: 00007fb920fb6038 R14: 00007fb920fb5fa0 R15: 00007ffd932bea48
[ 49.997535][ T541]
[ 50.000965][ T537] CPU: 1 PID: 537 Comm: syz.3.22 Not tainted syzkaller #0
[ 50.003895][ T544] FAULT_INJECTION: forcing a failure.
[ 50.003895][ T544] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 50.008103][ T537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 50.008114][ T537] Call Trace:
[ 50.034422][ T537]
[ 50.037343][ T537] __dump_stack+0x21/0x24
[ 50.041666][ T537] dump_stack_lvl+0xee/0x150
[ 50.046246][ T537] ? __cfi_dump_stack_lvl+0x8/0x8
[ 50.051260][ T537] dump_stack+0x15/0x24
[ 50.055403][ T537] should_fail_ex+0x3d4/0x520
[ 50.060090][ T537] should_fail+0xb/0x10
[ 50.064235][ T537] should_fail_usercopy+0x1a/0x20
[ 50.069253][ T537] _copy_to_user+0x1e/0x90
[ 50.073664][ T537] simple_read_from_buffer+0xe9/0x160
[ 50.079206][ T537] proc_fail_nth_read+0x19a/0x210
[ 50.084230][ T537] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 50.089790][ T537] ? security_file_permission+0x94/0xb0
[ 50.095327][ T537] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 50.100864][ T537] vfs_read+0x26e/0x8c0
[ 50.105020][ T537] ? __cfi_vfs_read+0x10/0x10
[ 50.109733][ T537] ? __kasan_check_write+0x14/0x20
[ 50.114921][ T537] ? mutex_lock+0x8d/0x1a0
[ 50.119347][ T537] ? __cfi_mutex_lock+0x10/0x10
[ 50.124188][ T537] ? __fdget_pos+0x2cd/0x380
[ 50.128766][ T537] ? ksys_read+0x71/0x240
[ 50.133094][ T537] ksys_read+0x140/0x240
[ 50.137361][ T537] ? __cfi_ksys_read+0x10/0x10
[ 50.142121][ T537] ? debug_smp_processor_id+0x17/0x20
[ 50.147486][ T537] __x64_sys_read+0x7b/0x90
[ 50.151976][ T537] x64_sys_call+0x2f/0x9a0
[ 50.156378][ T537] do_syscall_64+0x4c/0xa0
[ 50.160783][ T537] ? clear_bhb_loop+0x30/0x80
[ 50.165462][ T537] ? clear_bhb_loop+0x30/0x80
[ 50.170134][ T537] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 50.176024][ T537] RIP: 0033:0x7fdacd58d5fc
[ 50.180459][ T537] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 50.200229][ T537] RSP: 002b:00007fdace445030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 50.208638][ T537] RAX: ffffffffffffffda RBX: 00007fdacd7b5fa0 RCX: 00007fdacd58d5fc
[ 50.216622][ T537] RDX: 000000000000000f RSI: 00007fdace4450a0 RDI: 0000000000000005
[ 50.224615][ T537] RBP: 00007fdace445090 R08: 0000000000000000 R09: 0000000000000000
[ 50.232620][ T537] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 50.240620][ T537] R13: 00007fdacd7b6038 R14: 00007fdacd7b5fa0 R15: 00007ffc1c454ff8
[ 50.248619][ T537]
[ 50.251630][ T544] CPU: 0 PID: 544 Comm: syz.2.24 Not tainted syzkaller #0
[ 50.258745][ T544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 50.268790][ T544] Call Trace:
[ 50.272057][ T544]
[ 50.274973][ T544] __dump_stack+0x21/0x24
[ 50.279284][ T544] dump_stack_lvl+0xee/0x150
[ 50.283853][ T544] ? __cfi_dump_stack_lvl+0x8/0x8
[ 50.288858][ T544] dump_stack+0x15/0x24
[ 50.293004][ T544] should_fail_ex+0x3d4/0x520
[ 50.297694][ T544] should_fail+0xb/0x10
[ 50.301850][ T544] should_fail_usercopy+0x1a/0x20
[ 50.306867][ T544] _copy_to_user+0x1e/0x90
[ 50.311314][ T544] simple_read_from_buffer+0xe9/0x160
[ 50.316685][ T544] proc_fail_nth_read+0x19a/0x210
[ 50.321757][ T544] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 50.327373][ T544] ? security_file_permission+0x94/0xb0
[ 50.332909][ T544] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 50.338437][ T544] vfs_read+0x26e/0x8c0
[ 50.342614][ T544] ? __cfi_vfs_read+0x10/0x10
[ 50.347273][ T544] ? __kasan_check_write+0x14/0x20
[ 50.352364][ T544] ? mutex_lock+0x8d/0x1a0
[ 50.356768][ T544] ? __cfi_mutex_lock+0x10/0x10
[ 50.361616][ T544] ? __fdget_pos+0x2cd/0x380
[ 50.366195][ T544] ? ksys_read+0x71/0x240
[ 50.370528][ T544] ksys_read+0x140/0x240
[ 50.374761][ T544] ? __cfi_ksys_read+0x10/0x10
[ 50.379520][ T544] ? debug_smp_processor_id+0x17/0x20
[ 50.385045][ T544] __x64_sys_read+0x7b/0x90
[ 50.389529][ T544] x64_sys_call+0x2f/0x9a0
[ 50.393931][ T544] do_syscall_64+0x4c/0xa0
[ 50.398330][ T544] ? clear_bhb_loop+0x30/0x80
[ 50.403004][ T544] ? clear_bhb_loop+0x30/0x80
[ 50.407669][ T544] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 50.413546][ T544] RIP: 0033:0x7fbb4978d5fc
[ 50.417974][ T544] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 50.437560][ T544] RSP: 002b:00007fbb4a5d6030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 50.445955][ T544] RAX: ffffffffffffffda RBX: 00007fbb499b5fa0 RCX: 00007fbb4978d5fc
[ 50.453936][ T544] RDX: 000000000000000f RSI: 00007fbb4a5d60a0 RDI: 0000000000000005
[ 50.461910][ T544] RBP: 00007fbb4a5d6090 R08: 0000000000000000 R09: 0000000000000000
[ 50.469858][ T544] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 50.477895][ T544] R13: 00007fbb499b6038 R14: 00007fbb499b5fa0 R15: 00007ffe4f2ae278
[ 50.485863][ T544]
[ 50.497754][ T535] CPU: 0 PID: 535 Comm: syz.6.18 Not tainted syzkaller #0
[ 50.504890][ T535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 50.515111][ T535] Call Trace:
[ 50.518382][ T535]
[ 50.521306][ T535] __dump_stack+0x21/0x24
[ 50.525634][ T535] dump_stack_lvl+0xee/0x150
[ 50.530303][ T535] ? __cfi_dump_stack_lvl+0x8/0x8
[ 50.535314][ T535] dump_stack+0x15/0x24
[ 50.539511][ T535] should_fail_ex+0x3d4/0x520
[ 50.544174][ T535] should_fail+0xb/0x10
[ 50.548314][ T535] should_fail_usercopy+0x1a/0x20
[ 50.553498][ T535] _copy_to_user+0x1e/0x90
[ 50.557905][ T535] simple_read_from_buffer+0xe9/0x160
[ 50.563256][ T535] proc_fail_nth_read+0x19a/0x210
[ 50.568260][ T535] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 50.573784][ T535] ? security_file_permission+0x94/0xb0
[ 50.579335][ T535] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 50.584856][ T535] vfs_read+0x26e/0x8c0
[ 50.588995][ T535] ? __cfi_vfs_read+0x10/0x10
[ 50.593698][ T535] ? __kasan_check_write+0x14/0x20
[ 50.598795][ T535] ? mutex_lock+0x8d/0x1a0
[ 50.603200][ T535] ? __cfi_mutex_lock+0x10/0x10
[ 50.608036][ T535] ? __fdget_pos+0x2cd/0x380
[ 50.612604][ T535] ? ksys_read+0x71/0x240
[ 50.616918][ T535] ksys_read+0x140/0x240
[ 50.621150][ T535] ? __cfi_ksys_read+0x10/0x10
[ 50.626156][ T535] ? debug_smp_processor_id+0x17/0x20
[ 50.631592][ T535] __x64_sys_read+0x7b/0x90
[ 50.636073][ T535] x64_sys_call+0x2f/0x9a0
[ 50.640473][ T535] do_syscall_64+0x4c/0xa0
[ 50.644879][ T535] ? clear_bhb_loop+0x30/0x80
[ 50.649623][ T535] ? clear_bhb_loop+0x30/0x80
[ 50.654302][ T535] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 50.660201][ T535] RIP: 0033:0x7f883118d5fc
[ 50.664601][ T535] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 50.684369][ T535] RSP: 002b:00007f8831f86030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 50.692777][ T535] RAX: ffffffffffffffda RBX: 00007f88313b5fa0 RCX: 00007f883118d5fc
[ 50.700747][ T535] RDX: 000000000000000f RSI: 00007f8831f860a0 RDI: 0000000000000005
[ 50.708718][ T535] RBP: 00007f8831f86090 R08: 0000000000000000 R09: 0000000000000000
[ 50.716758][ T535] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 50.724706][ T535] R13: 00007f88313b6038 R14: 00007f88313b5fa0 R15: 00007ffc68c53748
[ 50.732667][ T535]
[ 50.754442][ T539] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 50.763480][ T539] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 50.784035][ T481] device veth1_macvtap entered promiscuous mode
[ 50.790823][ T552] FAULT_INJECTION: forcing a failure.
[ 50.790823][ T552] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 50.796368][ T546] FAULT_INJECTION: forcing a failure.
[ 50.796368][ T546] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 50.808925][ T552] CPU: 1 PID: 552 Comm: syz.6.27 Not tainted syzkaller #0
[ 50.817679][ T549] FAULT_INJECTION: forcing a failure.
[ 50.817679][ T549] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 50.824007][ T552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 50.824016][ T552] Call Trace:
[ 50.824021][ T552]
[ 50.824027][ T552] __dump_stack+0x21/0x24
[ 50.844452][ T554] FAULT_INJECTION: forcing a failure.
[ 50.844452][ T554] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 50.847090][ T552] dump_stack_lvl+0xee/0x150
[ 50.847114][ T552] ? __cfi_dump_stack_lvl+0x8/0x8
[ 50.880220][ T552] dump_stack+0x15/0x24
[ 50.884432][ T552] should_fail_ex+0x3d4/0x520
[ 50.889104][ T552] should_fail+0xb/0x10
[ 50.893254][ T552] should_fail_usercopy+0x1a/0x20
[ 50.898273][ T552] _copy_to_user+0x1e/0x90
[ 50.902687][ T552] simple_read_from_buffer+0xe9/0x160
[ 50.908045][ T552] proc_fail_nth_read+0x19a/0x210
[ 50.913054][ T552] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 50.918591][ T552] ? security_file_permission+0x94/0xb0
[ 50.924129][ T552] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 50.929679][ T552] vfs_read+0x26e/0x8c0
[ 50.933827][ T552] ? __cfi_vfs_read+0x10/0x10
[ 50.938493][ T552] ? __kasan_check_write+0x14/0x20
[ 50.943591][ T552] ? mutex_lock+0x8d/0x1a0
[ 50.948028][ T552] ? __cfi_mutex_lock+0x10/0x10
[ 50.952917][ T552] ? __fdget_pos+0x2cd/0x380
[ 50.957510][ T552] ? ksys_read+0x71/0x240
[ 50.961923][ T552] ksys_read+0x140/0x240
[ 50.966341][ T552] ? __cfi_ksys_read+0x10/0x10
[ 50.971282][ T552] ? debug_smp_processor_id+0x17/0x20
[ 50.976657][ T552] __x64_sys_read+0x7b/0x90
[ 50.981150][ T552] x64_sys_call+0x2f/0x9a0
[ 50.985556][ T552] do_syscall_64+0x4c/0xa0
[ 50.990482][ T552] ? clear_bhb_loop+0x30/0x80
[ 50.995152][ T552] ? clear_bhb_loop+0x30/0x80
[ 50.999819][ T552] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 51.003082][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 51.005703][ T552] RIP: 0033:0x7f883118d5fc
[ 51.005721][ T552] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 51.037413][ T552] RSP: 002b:00007f8831f86030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 51.045824][ T552] RAX: ffffffffffffffda RBX: 00007f88313b5fa0 RCX: 00007f883118d5fc
[ 51.053787][ T552] RDX: 000000000000000f RSI: 00007f8831f860a0 RDI: 0000000000000005
[ 51.061758][ T552] RBP: 00007f8831f86090 R08: 0000000000000000 R09: 0000000000000000
[ 51.069720][ T552] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 51.077689][ T552] R13: 00007f88313b6038 R14: 00007f88313b5fa0 R15: 00007ffc68c53748
[ 51.085655][ T552]
[ 51.088675][ T554] CPU: 0 PID: 554 Comm: syz.2.28 Not tainted syzkaller #0
[ 51.095876][ T554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 51.105938][ T554] Call Trace:
[ 51.109227][ T554]
[ 51.112156][ T554] __dump_stack+0x21/0x24
[ 51.116493][ T554] dump_stack_lvl+0xee/0x150
[ 51.116925][ T556] FAULT_INJECTION: forcing a failure.
[ 51.116925][ T556] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 51.121346][ T554] ? __cfi_dump_stack_lvl+0x8/0x8
[ 51.121371][ T554] dump_stack+0x15/0x24
[ 51.143572][ T554] should_fail_ex+0x3d4/0x520
[ 51.148513][ T554] should_fail+0xb/0x10
[ 51.152696][ T554] should_fail_usercopy+0x1a/0x20
[ 51.157713][ T554] _copy_to_user+0x1e/0x90
[ 51.162117][ T554] simple_read_from_buffer+0xe9/0x160
[ 51.167652][ T554] proc_fail_nth_read+0x19a/0x210
[ 51.172661][ T554] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 51.178192][ T554] ? security_file_permission+0x94/0xb0
[ 51.183906][ T554] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 51.189438][ T554] vfs_read+0x26e/0x8c0
[ 51.193587][ T554] ? __cfi_vfs_read+0x10/0x10
[ 51.198266][ T554] ? __kasan_check_write+0x14/0x20
[ 51.203378][ T554] ? mutex_lock+0x8d/0x1a0
[ 51.207793][ T554] ? __cfi_mutex_lock+0x10/0x10
[ 51.212639][ T554] ? __fdget_pos+0x2cd/0x380
[ 51.217214][ T554] ? ksys_read+0x71/0x240
[ 51.221554][ T554] ksys_read+0x140/0x240
[ 51.226072][ T554] ? __cfi_ksys_read+0x10/0x10
[ 51.230830][ T554] ? debug_smp_processor_id+0x17/0x20
[ 51.236194][ T554] __x64_sys_read+0x7b/0x90
[ 51.240964][ T554] x64_sys_call+0x2f/0x9a0
[ 51.245417][ T554] do_syscall_64+0x4c/0xa0
[ 51.249831][ T554] ? clear_bhb_loop+0x30/0x80
[ 51.254504][ T554] ? clear_bhb_loop+0x30/0x80
[ 51.259175][ T554] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 51.265058][ T554] RIP: 0033:0x7fbb4978d5fc
[ 51.269467][ T554] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 51.289232][ T554] RSP: 002b:00007fbb4a5d6030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 51.297812][ T554] RAX: ffffffffffffffda RBX: 00007fbb499b5fa0 RCX: 00007fbb4978d5fc
[ 51.305777][ T554] RDX: 000000000000000f RSI: 00007fbb4a5d60a0 RDI: 0000000000000005
[ 51.313738][ T554] RBP: 00007fbb4a5d6090 R08: 0000000000000000 R09: 0000000000000000
[ 51.321696][ T554] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 51.329669][ T554] R13: 00007fbb499b6038 R14: 00007fbb499b5fa0 R15: 00007ffe4f2ae278
[ 51.337633][ T554]
[ 51.340732][ T549] CPU: 1 PID: 549 Comm: syz.0.26 Not tainted syzkaller #0
[ 51.347862][ T549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 51.357908][ T549] Call Trace:
[ 51.361258][ T549]
[ 51.364170][ T549] __dump_stack+0x21/0x24
[ 51.368533][ T549] dump_stack_lvl+0xee/0x150
[ 51.373189][ T549] ? __cfi_dump_stack_lvl+0x8/0x8
[ 51.378279][ T549] dump_stack+0x15/0x24
[ 51.382588][ T549] should_fail_ex+0x3d4/0x520
[ 51.387342][ T549] should_fail+0xb/0x10
[ 51.391488][ T549] should_fail_usercopy+0x1a/0x20
[ 51.396549][ T549] _copy_to_user+0x1e/0x90
[ 51.400947][ T549] simple_read_from_buffer+0xe9/0x160
[ 51.406300][ T549] proc_fail_nth_read+0x19a/0x210
[ 51.411318][ T549] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 51.416870][ T549] ? security_file_permission+0x94/0xb0
[ 51.422416][ T549] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 51.427947][ T549] vfs_read+0x26e/0x8c0
[ 51.432088][ T549] ? __cfi_vfs_read+0x10/0x10
[ 51.436754][ T549] ? __kasan_check_write+0x14/0x20
[ 51.441891][ T549] ? mutex_lock+0x8d/0x1a0
[ 51.446294][ T549] ? __cfi_mutex_lock+0x10/0x10
[ 51.451132][ T549] ? __fdget_pos+0x2cd/0x380
[ 51.455711][ T549] ? ksys_read+0x71/0x240
[ 51.460026][ T549] ksys_read+0x140/0x240
[ 51.464330][ T549] ? __cfi_ksys_read+0x10/0x10
[ 51.469077][ T549] ? debug_smp_processor_id+0x17/0x20
[ 51.474512][ T549] __x64_sys_read+0x7b/0x90
[ 51.478995][ T549] x64_sys_call+0x2f/0x9a0
[ 51.483401][ T549] do_syscall_64+0x4c/0xa0
[ 51.487814][ T549] ? clear_bhb_loop+0x30/0x80
[ 51.492514][ T549] ? clear_bhb_loop+0x30/0x80
[ 51.497179][ T549] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 51.503148][ T549] RIP: 0033:0x7fb920d8d5fc
[ 51.507543][ T549] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 51.527233][ T549] RSP: 002b:00007fb921c07030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 51.535718][ T549] RAX: ffffffffffffffda RBX: 00007fb920fb5fa0 RCX: 00007fb920d8d5fc
[ 51.543672][ T549] RDX: 000000000000000f RSI: 00007fb921c070a0 RDI: 0000000000000005
[ 51.551624][ T549] RBP: 00007fb921c07090 R08: 0000000000000000 R09: 0000000000000000
[ 51.559576][ T549] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 51.567541][ T549] R13: 00007fb920fb6038 R14: 00007fb920fb5fa0 R15: 00007ffd932bea48
[ 51.575540][ T549]
[ 51.583614][ T546] CPU: 1 PID: 546 Comm: syz.3.25 Not tainted syzkaller #0
[ 51.590767][ T546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 51.600902][ T546] Call Trace:
[ 51.604166][ T546]
[ 51.607081][ T546] __dump_stack+0x21/0x24
[ 51.611396][ T546] dump_stack_lvl+0xee/0x150
[ 51.616053][ T546] ? __cfi_dump_stack_lvl+0x8/0x8
[ 51.621065][ T546] dump_stack+0x15/0x24
[ 51.625202][ T546] should_fail_ex+0x3d4/0x520
[ 51.629871][ T546] should_fail+0xb/0x10
[ 51.634010][ T546] should_fail_usercopy+0x1a/0x20
[ 51.639017][ T546] _copy_to_user+0x1e/0x90
[ 51.643419][ T546] simple_read_from_buffer+0xe9/0x160
[ 51.648776][ T546] proc_fail_nth_read+0x19a/0x210
[ 51.653792][ T546] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 51.659332][ T546] ? security_file_permission+0x94/0xb0
[ 51.664881][ T546] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 51.670522][ T546] vfs_read+0x26e/0x8c0
[ 51.674690][ T546] ? __cfi_vfs_read+0x10/0x10
[ 51.679376][ T546] ? __kasan_check_write+0x14/0x20
[ 51.684470][ T546] ? mutex_lock+0x8d/0x1a0
[ 51.688882][ T546] ? __cfi_mutex_lock+0x10/0x10
[ 51.693717][ T546] ? __fdget_pos+0x2cd/0x380
[ 51.698290][ T546] ? ksys_read+0x71/0x240
[ 51.702605][ T546] ksys_read+0x140/0x240
[ 51.706877][ T546] ? __cfi_ksys_read+0x10/0x10
[ 51.711627][ T546] ? debug_smp_processor_id+0x17/0x20
[ 51.716985][ T546] __x64_sys_read+0x7b/0x90
[ 51.721464][ T546] x64_sys_call+0x2f/0x9a0
[ 51.725872][ T546] do_syscall_64+0x4c/0xa0
[ 51.730443][ T546] ? clear_bhb_loop+0x30/0x80
[ 51.735105][ T546] ? clear_bhb_loop+0x30/0x80
[ 51.739800][ T546] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 51.745685][ T546] RIP: 0033:0x7fdacd58d5fc
[ 51.750082][ T546] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 51.769671][ T546] RSP: 002b:00007fdace445030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 51.778069][ T546] RAX: ffffffffffffffda RBX: 00007fdacd7b5fa0 RCX: 00007fdacd58d5fc
[ 51.786108][ T546] RDX: 000000000000000f RSI: 00007fdace4450a0 RDI: 0000000000000005
[ 51.794147][ T546] RBP: 00007fdace445090 R08: 0000000000000000 R09: 0000000000000000
[ 51.802107][ T546] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 51.810080][ T546] R13: 00007fdacd7b6038 R14: 00007fdacd7b5fa0 R15: 00007ffc1c454ff8
[ 51.818136][ T546]
[ 51.822000][ T556] CPU: 0 PID: 556 Comm: syz.6.29 Not tainted syzkaller #0
[ 51.829129][ T556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 51.839274][ T556] Call Trace:
[ 51.842552][ T556]
[ 51.845487][ T556] __dump_stack+0x21/0x24
[ 51.849820][ T556] dump_stack_lvl+0xee/0x150
[ 51.854406][ T556] ? __cfi_dump_stack_lvl+0x8/0x8
[ 51.859412][ T556] dump_stack+0x15/0x24
[ 51.863548][ T556] should_fail_ex+0x3d4/0x520
[ 51.868317][ T556] should_fail+0xb/0x10
[ 51.872475][ T556] should_fail_usercopy+0x1a/0x20
[ 51.877481][ T556] _copy_to_user+0x1e/0x90
[ 51.881881][ T556] simple_read_from_buffer+0xe9/0x160
[ 51.887233][ T556] proc_fail_nth_read+0x19a/0x210
[ 51.892239][ T556] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 51.897766][ T556] ? security_file_permission+0x94/0xb0
[ 51.903293][ T556] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 51.908819][ T556] vfs_read+0x26e/0x8c0
[ 51.912963][ T556] ? __cfi_vfs_read+0x10/0x10
[ 51.917625][ T556] ? __kasan_check_write+0x14/0x20
[ 51.922714][ T556] ? mutex_lock+0x8d/0x1a0
[ 51.927111][ T556] ? __cfi_mutex_lock+0x10/0x10
[ 51.931945][ T556] ? __fdget_pos+0x2cd/0x380
[ 51.936521][ T556] ? ksys_read+0x71/0x240
[ 51.940849][ T556] ksys_read+0x140/0x240
[ 51.945074][ T556] ? __cfi_ksys_read+0x10/0x10
[ 51.949820][ T556] ? debug_smp_processor_id+0x17/0x20
[ 51.955176][ T556] __x64_sys_read+0x7b/0x90
[ 51.959656][ T556] x64_sys_call+0x2f/0x9a0
[ 51.964227][ T556] do_syscall_64+0x4c/0xa0
[ 51.968635][ T556] ? clear_bhb_loop+0x30/0x80
[ 51.973304][ T556] ? clear_bhb_loop+0x30/0x80
[ 51.977962][ T556] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 51.983838][ T556] RIP: 0033:0x7f883118d5fc
[ 51.988234][ T556] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 52.007848][ T556] RSP: 002b:00007f8831f86030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 52.016251][ T556] RAX: ffffffffffffffda RBX: 00007f88313b5fa0 RCX: 00007f883118d5fc
2025/11/04 18:04:44 executed programs: 22
[ 52.024207][ T556] RDX: 000000000000000f RSI: 00007f8831f860a0 RDI: 0000000000000005
[ 52.032254][ T556] RBP: 00007f8831f86090 R08: 0000000000000000 R09: 0000000000000000
[ 52.040295][ T556] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 52.048254][ T556] R13: 00007f88313b6038 R14: 00007f88313b5fa0 R15: 00007ffc68c53748
[ 52.056297][ T556]
[ 52.062673][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 52.071326][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 52.079839][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 52.089675][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 52.098911][ T559] FAULT_INJECTION: forcing a failure.
[ 52.098911][ T559] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 52.099780][ T561] FAULT_INJECTION: forcing a failure.
[ 52.099780][ T561] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 52.124749][ T564] FAULT_INJECTION: forcing a failure.
[ 52.124749][ T564] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 52.126048][ T562] FAULT_INJECTION: forcing a failure.
[ 52.126048][ T562] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 52.138229][ T559] CPU: 1 PID: 559 Comm: syz.0.31 Not tainted syzkaller #0
[ 52.158216][ T559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 52.168258][ T559] Call Trace:
[ 52.171525][ T559]
[ 52.174468][ T559] __dump_stack+0x21/0x24
[ 52.178787][ T559] dump_stack_lvl+0xee/0x150
[ 52.183366][ T559] ? __cfi_dump_stack_lvl+0x8/0x8
[ 52.188388][ T559] dump_stack+0x15/0x24
[ 52.192531][ T559] should_fail_ex+0x3d4/0x520
[ 52.197212][ T559] should_fail+0xb/0x10
[ 52.201363][ T559] should_fail_usercopy+0x1a/0x20
[ 52.206381][ T559] _copy_to_user+0x1e/0x90
[ 52.210787][ T559] simple_read_from_buffer+0xe9/0x160
[ 52.216234][ T559] proc_fail_nth_read+0x19a/0x210
[ 52.221249][ T559] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 52.226780][ T559] ? security_file_permission+0x94/0xb0
[ 52.232317][ T559] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 52.237934][ T559] vfs_read+0x26e/0x8c0
[ 52.242086][ T559] ? __cfi_vfs_read+0x10/0x10
[ 52.246841][ T559] ? __kasan_check_write+0x14/0x20
[ 52.251950][ T559] ? mutex_lock+0x8d/0x1a0
[ 52.256358][ T559] ? __cfi_mutex_lock+0x10/0x10
[ 52.261211][ T559] ? __fdget_pos+0x2cd/0x380
[ 52.265801][ T559] ? ksys_read+0x71/0x240
[ 52.270121][ T559] ksys_read+0x140/0x240
[ 52.274353][ T559] ? __cfi_ksys_read+0x10/0x10
[ 52.279106][ T559] ? debug_smp_processor_id+0x17/0x20
[ 52.284463][ T559] __x64_sys_read+0x7b/0x90
[ 52.288956][ T559] x64_sys_call+0x2f/0x9a0
[ 52.293360][ T559] do_syscall_64+0x4c/0xa0
[ 52.297762][ T559] ? clear_bhb_loop+0x30/0x80
[ 52.302427][ T559] ? clear_bhb_loop+0x30/0x80
[ 52.307094][ T559] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 52.312976][ T559] RIP: 0033:0x7fb920d8d5fc
[ 52.317377][ T559] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 52.336970][ T559] RSP: 002b:00007fb921c07030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 52.345460][ T559] RAX: ffffffffffffffda RBX: 00007fb920fb5fa0 RCX: 00007fb920d8d5fc
[ 52.353426][ T559] RDX: 000000000000000f RSI: 00007fb921c070a0 RDI: 0000000000000005
[ 52.361397][ T559] RBP: 00007fb921c07090 R08: 0000000000000000 R09: 0000000000000000
[ 52.369360][ T559] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 52.377320][ T559] R13: 00007fb920fb6038 R14: 00007fb920fb5fa0 R15: 00007ffd932bea48
[ 52.385459][ T559]
[ 52.388470][ T564] CPU: 0 PID: 564 Comm: syz.3.33 Not tainted syzkaller #0
[ 52.395641][ T564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 52.405698][ T564] Call Trace:
[ 52.408989][ T564]
[ 52.411927][ T564] __dump_stack+0x21/0x24
[ 52.413663][ T566] FAULT_INJECTION: forcing a failure.
[ 52.413663][ T566] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 52.416260][ T564] dump_stack_lvl+0xee/0x150
[ 52.416284][ T564] ? __cfi_dump_stack_lvl+0x8/0x8
[ 52.438848][ T564] dump_stack+0x15/0x24
[ 52.443014][ T564] should_fail_ex+0x3d4/0x520
[ 52.447701][ T564] should_fail+0xb/0x10
[ 52.451847][ T564] should_fail_usercopy+0x1a/0x20
[ 52.456865][ T564] _copy_to_user+0x1e/0x90
[ 52.461273][ T564] simple_read_from_buffer+0xe9/0x160
[ 52.466633][ T564] proc_fail_nth_read+0x19a/0x210
[ 52.471650][ T564] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 52.477223][ T564] ? security_file_permission+0x94/0xb0
[ 52.482765][ T564] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 52.488304][ T564] vfs_read+0x26e/0x8c0
[ 52.492457][ T564] ? __cfi_vfs_read+0x10/0x10
[ 52.497123][ T564] ? __kasan_check_write+0x14/0x20
[ 52.502219][ T564] ? mutex_lock+0x8d/0x1a0
[ 52.506659][ T564] ? __cfi_mutex_lock+0x10/0x10
[ 52.511512][ T564] ? __fdget_pos+0x2cd/0x380
[ 52.516096][ T564] ? ksys_read+0x71/0x240
[ 52.520513][ T564] ksys_read+0x140/0x240
[ 52.524839][ T564] ? __cfi_ksys_read+0x10/0x10
[ 52.529595][ T564] ? debug_smp_processor_id+0x17/0x20
[ 52.534955][ T564] __x64_sys_read+0x7b/0x90
[ 52.539483][ T564] x64_sys_call+0x2f/0x9a0
[ 52.543894][ T564] do_syscall_64+0x4c/0xa0
[ 52.548311][ T564] ? clear_bhb_loop+0x30/0x80
[ 52.552977][ T564] ? clear_bhb_loop+0x30/0x80
[ 52.557658][ T564] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 52.563562][ T564] RIP: 0033:0x7fdacd58d5fc
[ 52.567973][ T564] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 52.587571][ T564] RSP: 002b:00007fdace445030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 52.595983][ T564] RAX: ffffffffffffffda RBX: 00007fdacd7b5fa0 RCX: 00007fdacd58d5fc
[ 52.603944][ T564] RDX: 000000000000000f RSI: 00007fdace4450a0 RDI: 0000000000000005
[ 52.611908][ T564] RBP: 00007fdace445090 R08: 0000000000000000 R09: 0000000000000000
[ 52.619876][ T564] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 52.627859][ T564] R13: 00007fdacd7b6038 R14: 00007fdacd7b5fa0 R15: 00007ffc1c454ff8
[ 52.635832][ T564]
[ 52.638847][ T566] CPU: 1 PID: 566 Comm: syz.0.34 Not tainted syzkaller #0
[ 52.645961][ T566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 52.656128][ T566] Call Trace:
[ 52.659394][ T566]
[ 52.662333][ T566] __dump_stack+0x21/0x24
[ 52.666669][ T566] dump_stack_lvl+0xee/0x150
[ 52.671342][ T566] ? __cfi_dump_stack_lvl+0x8/0x8
[ 52.676361][ T566] dump_stack+0x15/0x24
[ 52.680507][ T566] should_fail_ex+0x3d4/0x520
[ 52.685182][ T566] should_fail+0xb/0x10
[ 52.689327][ T566] should_fail_usercopy+0x1a/0x20
[ 52.694339][ T566] _copy_to_user+0x1e/0x90
[ 52.698742][ T566] simple_read_from_buffer+0xe9/0x160
[ 52.704092][ T566] proc_fail_nth_read+0x19a/0x210
[ 52.709101][ T566] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 52.714630][ T566] ? security_file_permission+0x94/0xb0
[ 52.720160][ T566] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 52.725690][ T566] vfs_read+0x26e/0x8c0
[ 52.730093][ T566] ? __cfi_vfs_read+0x10/0x10
[ 52.734751][ T566] ? __kasan_check_write+0x14/0x20
[ 52.740275][ T566] ? mutex_lock+0x8d/0x1a0
[ 52.744674][ T566] ? __cfi_mutex_lock+0x10/0x10
[ 52.749607][ T566] ? __fdget_pos+0x2cd/0x380
[ 52.754189][ T566] ? ksys_read+0x71/0x240
[ 52.758533][ T566] ksys_read+0x140/0x240
[ 52.762760][ T566] ? __cfi_ksys_read+0x10/0x10
[ 52.767885][ T566] ? debug_smp_processor_id+0x17/0x20
[ 52.773234][ T566] __x64_sys_read+0x7b/0x90
[ 52.777739][ T566] x64_sys_call+0x2f/0x9a0
[ 52.782222][ T566] do_syscall_64+0x4c/0xa0
[ 52.786617][ T566] ? clear_bhb_loop+0x30/0x80
[ 52.791293][ T566] ? clear_bhb_loop+0x30/0x80
[ 52.795958][ T566] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 52.802005][ T566] RIP: 0033:0x7fb920d8d5fc
[ 52.806419][ T566] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 52.826179][ T566] RSP: 002b:00007fb921c07030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 52.834582][ T566] RAX: ffffffffffffffda RBX: 00007fb920fb5fa0 RCX: 00007fb920d8d5fc
[ 52.842534][ T566] RDX: 000000000000000f RSI: 00007fb921c070a0 RDI: 0000000000000005
[ 52.850575][ T566] RBP: 00007fb921c07090 R08: 0000000000000000 R09: 0000000000000000
[ 52.858522][ T566] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 52.866560][ T566] R13: 00007fb920fb6038 R14: 00007fb920fb5fa0 R15: 00007ffd932bea48
[ 52.874520][ T566]
[ 52.883670][ T562] CPU: 0 PID: 562 Comm: syz.2.30 Not tainted syzkaller #0
[ 52.890895][ T562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 52.900949][ T562] Call Trace:
[ 52.904216][ T562]
[ 52.907131][ T562] __dump_stack+0x21/0x24
[ 52.911451][ T562] dump_stack_lvl+0xee/0x150
[ 52.916026][ T562] ? __cfi_dump_stack_lvl+0x8/0x8
[ 52.921039][ T562] dump_stack+0x15/0x24
[ 52.925185][ T562] should_fail_ex+0x3d4/0x520
[ 52.929939][ T562] should_fail+0xb/0x10
[ 52.934083][ T562] should_fail_usercopy+0x1a/0x20
[ 52.939098][ T562] _copy_to_user+0x1e/0x90
[ 52.943509][ T562] simple_read_from_buffer+0xe9/0x160
[ 52.948883][ T562] proc_fail_nth_read+0x19a/0x210
[ 52.953917][ T562] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 52.959449][ T562] ? security_file_permission+0x94/0xb0
[ 52.965069][ T562] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 52.970611][ T562] vfs_read+0x26e/0x8c0
[ 52.974766][ T562] ? __cfi_vfs_read+0x10/0x10
[ 52.979428][ T562] ? __kasan_check_write+0x14/0x20
[ 52.984610][ T562] ? mutex_lock+0x8d/0x1a0
[ 52.989014][ T562] ? __cfi_mutex_lock+0x10/0x10
[ 52.993855][ T562] ? __fdget_pos+0x2cd/0x380
[ 52.998449][ T562] ? ksys_read+0x71/0x240
[ 53.002769][ T562] ksys_read+0x140/0x240
[ 53.007006][ T562] ? __cfi_ksys_read+0x10/0x10
[ 53.011851][ T562] ? debug_smp_processor_id+0x17/0x20
[ 53.017208][ T562] __x64_sys_read+0x7b/0x90
[ 53.021708][ T562] x64_sys_call+0x2f/0x9a0
[ 53.026114][ T562] do_syscall_64+0x4c/0xa0
[ 53.030541][ T562] ? clear_bhb_loop+0x30/0x80
[ 53.035307][ T562] ? clear_bhb_loop+0x30/0x80
[ 53.039974][ T562] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 53.046039][ T562] RIP: 0033:0x7fbb4978d5fc
[ 53.050444][ T562] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 53.070045][ T562] RSP: 002b:00007fbb4a5d6030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 53.078469][ T562] RAX: ffffffffffffffda RBX: 00007fbb499b5fa0 RCX: 00007fbb4978d5fc
[ 53.086444][ T562] RDX: 000000000000000f RSI: 00007fbb4a5d60a0 RDI: 0000000000000005
[ 53.094417][ T562] RBP: 00007fbb4a5d6090 R08: 0000000000000000 R09: 0000000000000000
[ 53.102411][ T562] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 53.110468][ T562] R13: 00007fbb499b6038 R14: 00007fbb499b5fa0 R15: 00007ffe4f2ae278
[ 53.118437][ T562]
[ 53.121446][ T561] CPU: 1 PID: 561 Comm: syz.6.32 Not tainted syzkaller #0
[ 53.128601][ T568] FAULT_INJECTION: forcing a failure.
[ 53.128601][ T568] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 53.128656][ T561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 53.151709][ T561] Call Trace:
[ 53.154977][ T561]
[ 53.157896][ T561] __dump_stack+0x21/0x24
[ 53.162306][ T561] dump_stack_lvl+0xee/0x150
[ 53.166885][ T561] ? __cfi_dump_stack_lvl+0x8/0x8
[ 53.171897][ T561] dump_stack+0x15/0x24
[ 53.176043][ T561] should_fail_ex+0x3d4/0x520
[ 53.180915][ T561] should_fail+0xb/0x10
[ 53.185074][ T561] should_fail_usercopy+0x1a/0x20
[ 53.190101][ T561] _copy_to_user+0x1e/0x90
[ 53.194515][ T561] simple_read_from_buffer+0xe9/0x160
[ 53.199879][ T561] proc_fail_nth_read+0x19a/0x210
[ 53.204891][ T561] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 53.210427][ T561] ? security_file_permission+0x94/0xb0
[ 53.215967][ T561] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 53.221510][ T561] vfs_read+0x26e/0x8c0
[ 53.225663][ T561] ? __cfi_vfs_read+0x10/0x10
[ 53.230330][ T561] ? __kasan_check_write+0x14/0x20
[ 53.235440][ T561] ? mutex_lock+0x8d/0x1a0
[ 53.239877][ T561] ? __cfi_mutex_lock+0x10/0x10
[ 53.244727][ T561] ? __fdget_pos+0x2cd/0x380
[ 53.249306][ T561] ? ksys_read+0x71/0x240
[ 53.253624][ T561] ksys_read+0x140/0x240
[ 53.257856][ T561] ? __cfi_ksys_read+0x10/0x10
[ 53.262608][ T561] ? debug_smp_processor_id+0x17/0x20
[ 53.267974][ T561] __x64_sys_read+0x7b/0x90
[ 53.272479][ T561] x64_sys_call+0x2f/0x9a0
[ 53.276892][ T561] do_syscall_64+0x4c/0xa0
[ 53.281295][ T561] ? clear_bhb_loop+0x30/0x80
[ 53.285963][ T561] ? clear_bhb_loop+0x30/0x80
[ 53.290626][ T561] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 53.296599][ T561] RIP: 0033:0x7f883118d5fc
[ 53.300999][ T561] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 53.320595][ T561] RSP: 002b:00007f8831f86030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 53.329008][ T561] RAX: ffffffffffffffda RBX: 00007f88313b5fa0 RCX: 00007f883118d5fc
[ 53.336972][ T561] RDX: 000000000000000f RSI: 00007f8831f860a0 RDI: 0000000000000005
[ 53.345027][ T561] RBP: 00007f8831f86090 R08: 0000000000000000 R09: 0000000000000000
[ 53.352992][ T561] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 53.360957][ T561] R13: 00007f88313b6038 R14: 00007f88313b5fa0 R15: 00007ffc68c53748
[ 53.368931][ T561]
[ 53.371939][ T568] CPU: 0 PID: 568 Comm: syz.3.35 Not tainted syzkaller #0
[ 53.379144][ T568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 53.389263][ T568] Call Trace:
[ 53.390114][ T572] FAULT_INJECTION: forcing a failure.
[ 53.390114][ T572] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 53.392624][ T568]
[ 53.392631][ T568] __dump_stack+0x21/0x24
[ 53.392652][ T568] dump_stack_lvl+0xee/0x150
[ 53.412143][ T574] FAULT_INJECTION: forcing a failure.
[ 53.412143][ T574] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 53.412958][ T568] ? __cfi_dump_stack_lvl+0x8/0x8
[ 53.435572][ T568] dump_stack+0x15/0x24
[ 53.439779][ T568] should_fail_ex+0x3d4/0x520
[ 53.444543][ T568] should_fail+0xb/0x10
[ 53.448691][ T568] should_fail_usercopy+0x1a/0x20
[ 53.454146][ T568] _copy_to_user+0x1e/0x90
[ 53.458554][ T568] simple_read_from_buffer+0xe9/0x160
[ 53.463914][ T568] proc_fail_nth_read+0x19a/0x210
[ 53.468926][ T568] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 53.474466][ T568] ? security_file_permission+0x94/0xb0
[ 53.480014][ T568] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 53.485550][ T568] vfs_read+0x26e/0x8c0
[ 53.489702][ T568] ? __cfi_vfs_read+0x10/0x10
[ 53.494397][ T568] ? __kasan_check_write+0x14/0x20
[ 53.499524][ T568] ? mutex_lock+0x8d/0x1a0
[ 53.504188][ T568] ? __cfi_mutex_lock+0x10/0x10
[ 53.509030][ T568] ? __fdget_pos+0x2cd/0x380
[ 53.513609][ T568] ? ksys_read+0x71/0x240
[ 53.517935][ T568] ksys_read+0x140/0x240
[ 53.522171][ T568] ? __cfi_ksys_read+0x10/0x10
[ 53.526939][ T568] ? debug_smp_processor_id+0x17/0x20
[ 53.532327][ T568] __x64_sys_read+0x7b/0x90
[ 53.536912][ T568] x64_sys_call+0x2f/0x9a0
[ 53.541414][ T568] do_syscall_64+0x4c/0xa0
[ 53.545837][ T568] ? clear_bhb_loop+0x30/0x80
[ 53.550508][ T568] ? clear_bhb_loop+0x30/0x80
[ 53.555185][ T568] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 53.561069][ T568] RIP: 0033:0x7fdacd58d5fc
[ 53.565519][ T568] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 53.585120][ T568] RSP: 002b:00007fdace445030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 53.593546][ T568] RAX: ffffffffffffffda RBX: 00007fdacd7b5fa0 RCX: 00007fdacd58d5fc
[ 53.601508][ T568] RDX: 000000000000000f RSI: 00007fdace4450a0 RDI: 0000000000000005
[ 53.609466][ T568] RBP: 00007fdace445090 R08: 0000000000000000 R09: 0000000000000000
[ 53.617429][ T568] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 53.625656][ T568] R13: 00007fdacd7b6038 R14: 00007fdacd7b5fa0 R15: 00007ffc1c454ff8
[ 53.633978][ T568]
[ 53.636984][ T572] CPU: 1 PID: 572 Comm: syz.2.38 Not tainted syzkaller #0
[ 53.644095][ T572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 53.654145][ T572] Call Trace:
[ 53.657416][ T572]
[ 53.660375][ T572] __dump_stack+0x21/0x24
[ 53.664701][ T572] dump_stack_lvl+0xee/0x150
[ 53.669275][ T572] ? __cfi_dump_stack_lvl+0x8/0x8
[ 53.674281][ T572] dump_stack+0x15/0x24
[ 53.678423][ T572] should_fail_ex+0x3d4/0x520
[ 53.683084][ T572] should_fail+0xb/0x10
[ 53.687232][ T572] should_fail_usercopy+0x1a/0x20
[ 53.692235][ T572] _copy_to_user+0x1e/0x90
[ 53.696984][ T572] simple_read_from_buffer+0xe9/0x160
[ 53.702334][ T572] proc_fail_nth_read+0x19a/0x210
[ 53.707343][ T572] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 53.712869][ T572] ? security_file_permission+0x94/0xb0
[ 53.718420][ T572] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 53.723944][ T572] vfs_read+0x26e/0x8c0
[ 53.728087][ T572] ? __cfi_vfs_read+0x10/0x10
[ 53.732746][ T572] ? __kasan_check_write+0x14/0x20
[ 53.737834][ T572] ? mutex_lock+0x8d/0x1a0
[ 53.742232][ T572] ? __cfi_mutex_lock+0x10/0x10
[ 53.747064][ T572] ? __fdget_pos+0x2cd/0x380
[ 53.751633][ T572] ? ksys_read+0x71/0x240
[ 53.756034][ T572] ksys_read+0x140/0x240
[ 53.760261][ T572] ? __cfi_ksys_read+0x10/0x10
[ 53.765017][ T572] ? debug_smp_processor_id+0x17/0x20
[ 53.770383][ T572] __x64_sys_read+0x7b/0x90
[ 53.774888][ T572] x64_sys_call+0x2f/0x9a0
[ 53.779298][ T572] do_syscall_64+0x4c/0xa0
[ 53.783695][ T572] ? clear_bhb_loop+0x30/0x80
[ 53.788442][ T572] ? clear_bhb_loop+0x30/0x80
[ 53.793103][ T572] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 53.798977][ T572] RIP: 0033:0x7fbb4978d5fc
[ 53.803372][ T572] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 53.822957][ T572] RSP: 002b:00007fbb4a5d6030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 53.831353][ T572] RAX: ffffffffffffffda RBX: 00007fbb499b5fa0 RCX: 00007fbb4978d5fc
[ 53.839311][ T572] RDX: 000000000000000f RSI: 00007fbb4a5d60a0 RDI: 0000000000000005
[ 53.847263][ T572] RBP: 00007fbb4a5d6090 R08: 0000000000000000 R09: 0000000000000000
[ 53.855220][ T572] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 53.863184][ T572] R13: 00007fbb499b6038 R14: 00007fbb499b5fa0 R15: 00007ffe4f2ae278
[ 53.871150][ T572]
[ 53.878949][ T574] CPU: 1 PID: 574 Comm: syz.6.37 Not tainted syzkaller #0
[ 53.880732][ T570] FAULT_INJECTION: forcing a failure.
[ 53.880732][ T570] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 53.886117][ T574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 53.886127][ T574] Call Trace:
[ 53.886132][ T574]
[ 53.886137][ T574] __dump_stack+0x21/0x24
[ 53.886158][ T574] dump_stack_lvl+0xee/0x150
[ 53.886174][ T574] ? __cfi_dump_stack_lvl+0x8/0x8
[ 53.886192][ T574] dump_stack+0x15/0x24
[ 53.886207][ T574] should_fail_ex+0x3d4/0x520
[ 53.886229][ T574] should_fail+0xb/0x10
[ 53.886247][ T574] should_fail_usercopy+0x1a/0x20
[ 53.886268][ T574] _copy_to_user+0x1e/0x90
[ 53.886286][ T574] simple_read_from_buffer+0xe9/0x160
[ 53.886302][ T574] proc_fail_nth_read+0x19a/0x210
[ 53.949645][ T576] FAULT_INJECTION: forcing a failure.
[ 53.949645][ T576] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 53.951889][ T574] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 53.980748][ T574] ? security_file_permission+0x94/0xb0
[ 53.986297][ T574] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 53.991839][ T574] vfs_read+0x26e/0x8c0
[ 53.996010][ T574] ? __cfi_vfs_read+0x10/0x10
[ 54.000701][ T574] ? __kasan_check_write+0x14/0x20
[ 54.005819][ T574] ? mutex_lock+0x8d/0x1a0
[ 54.010232][ T574] ? __cfi_mutex_lock+0x10/0x10
[ 54.015082][ T574] ? __fdget_pos+0x2cd/0x380
[ 54.019668][ T574] ? ksys_read+0x71/0x240
[ 54.023992][ T574] ksys_read+0x140/0x240
[ 54.028228][ T574] ? __cfi_ksys_read+0x10/0x10
[ 54.032981][ T574] ? debug_smp_processor_id+0x17/0x20
[ 54.038340][ T574] __x64_sys_read+0x7b/0x90
[ 54.042839][ T574] x64_sys_call+0x2f/0x9a0
[ 54.047248][ T574] do_syscall_64+0x4c/0xa0
[ 54.051651][ T574] ? clear_bhb_loop+0x30/0x80
[ 54.056405][ T574] ? clear_bhb_loop+0x30/0x80
[ 54.061070][ T574] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 54.066959][ T574] RIP: 0033:0x7f883118d5fc
[ 54.071366][ T574] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 54.090968][ T574] RSP: 002b:00007f8831f86030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 54.099373][ T574] RAX: ffffffffffffffda RBX: 00007f88313b5fa0 RCX: 00007f883118d5fc
[ 54.107339][ T574] RDX: 000000000000000f RSI: 00007f8831f860a0 RDI: 0000000000000005
[ 54.115335][ T574] RBP: 00007f8831f86090 R08: 0000000000000000 R09: 0000000000000000
[ 54.123292][ T574] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 54.131249][ T574] R13: 00007f88313b6038 R14: 00007f88313b5fa0 R15: 00007ffc68c53748
[ 54.139212][ T574]
[ 54.142218][ T576] CPU: 0 PID: 576 Comm: syz.2.39 Not tainted syzkaller #0
[ 54.149332][ T576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 54.159505][ T576] Call Trace:
[ 54.162777][ T576]
[ 54.165699][ T576] __dump_stack+0x21/0x24
[ 54.170021][ T576] dump_stack_lvl+0xee/0x150
[ 54.174594][ T576] ? __cfi_dump_stack_lvl+0x8/0x8
[ 54.179867][ T576] dump_stack+0x15/0x24
[ 54.184014][ T576] should_fail_ex+0x3d4/0x520
[ 54.185800][ T578] FAULT_INJECTION: forcing a failure.
[ 54.185800][ T578] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 54.188784][ T576] should_fail+0xb/0x10
[ 54.205909][ T576] should_fail_usercopy+0x1a/0x20
[ 54.210929][ T576] _copy_to_user+0x1e/0x90
[ 54.215333][ T576] simple_read_from_buffer+0xe9/0x160
[ 54.220727][ T576] proc_fail_nth_read+0x19a/0x210
[ 54.225909][ T576] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 54.231449][ T576] ? security_file_permission+0x94/0xb0
[ 54.236991][ T576] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 54.242538][ T576] vfs_read+0x26e/0x8c0
[ 54.246692][ T576] ? __cfi_vfs_read+0x10/0x10
[ 54.251362][ T576] ? __kasan_check_write+0x14/0x20
[ 54.256457][ T576] ? mutex_lock+0x8d/0x1a0
[ 54.260860][ T576] ? __cfi_mutex_lock+0x10/0x10
[ 54.265698][ T576] ? __fdget_pos+0x2cd/0x380
[ 54.270276][ T576] ? ksys_read+0x71/0x240
[ 54.274605][ T576] ksys_read+0x140/0x240
[ 54.278837][ T576] ? __cfi_ksys_read+0x10/0x10
[ 54.283592][ T576] ? debug_smp_processor_id+0x17/0x20
[ 54.288959][ T576] __x64_sys_read+0x7b/0x90
[ 54.293531][ T576] x64_sys_call+0x2f/0x9a0
[ 54.297935][ T576] do_syscall_64+0x4c/0xa0
[ 54.302341][ T576] ? clear_bhb_loop+0x30/0x80
[ 54.307095][ T576] ? clear_bhb_loop+0x30/0x80
[ 54.311757][ T576] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 54.317637][ T576] RIP: 0033:0x7fbb4978d5fc
[ 54.322039][ T576] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 54.341645][ T576] RSP: 002b:00007fbb4a5d6030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 54.350048][ T576] RAX: ffffffffffffffda RBX: 00007fbb499b5fa0 RCX: 00007fbb4978d5fc
[ 54.358008][ T576] RDX: 000000000000000f RSI: 00007fbb4a5d60a0 RDI: 0000000000000005
[ 54.365972][ T576] RBP: 00007fbb4a5d6090 R08: 0000000000000000 R09: 0000000000000000
[ 54.373931][ T576] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 54.381976][ T576] R13: 00007fbb499b6038 R14: 00007fbb499b5fa0 R15: 00007ffe4f2ae278
[ 54.389940][ T576]
[ 54.392946][ T570] CPU: 1 PID: 570 Comm: syz.0.36 Not tainted syzkaller #0
[ 54.400064][ T570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 54.410106][ T570] Call Trace:
[ 54.413373][ T570]
[ 54.416286][ T570] __dump_stack+0x21/0x24
[ 54.420602][ T570] dump_stack_lvl+0xee/0x150
[ 54.425175][ T570] ? __cfi_dump_stack_lvl+0x8/0x8
[ 54.430187][ T570] dump_stack+0x15/0x24
[ 54.434324][ T570] should_fail_ex+0x3d4/0x520
[ 54.439001][ T570] should_fail+0xb/0x10
[ 54.443139][ T570] should_fail_usercopy+0x1a/0x20
[ 54.448153][ T570] _copy_to_user+0x1e/0x90
[ 54.452572][ T570] simple_read_from_buffer+0xe9/0x160
[ 54.457924][ T570] proc_fail_nth_read+0x19a/0x210
[ 54.463014][ T570] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 54.468556][ T570] ? security_file_permission+0x94/0xb0
[ 54.474085][ T570] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 54.479693][ T570] vfs_read+0x26e/0x8c0
[ 54.483836][ T570] ? __cfi_vfs_read+0x10/0x10
[ 54.488562][ T570] ? __kasan_check_write+0x14/0x20
[ 54.493671][ T570] ? mutex_lock+0x8d/0x1a0
[ 54.498172][ T570] ? __cfi_mutex_lock+0x10/0x10
[ 54.503099][ T570] ? __fdget_pos+0x2cd/0x380
[ 54.507757][ T570] ? ksys_read+0x71/0x240
[ 54.512070][ T570] ksys_read+0x140/0x240
[ 54.516385][ T570] ? __cfi_ksys_read+0x10/0x10
[ 54.521180][ T570] ? debug_smp_processor_id+0x17/0x20
[ 54.526543][ T570] __x64_sys_read+0x7b/0x90
[ 54.531034][ T570] x64_sys_call+0x2f/0x9a0
[ 54.535432][ T570] do_syscall_64+0x4c/0xa0
[ 54.539830][ T570] ? clear_bhb_loop+0x30/0x80
[ 54.544605][ T570] ? clear_bhb_loop+0x30/0x80
[ 54.549289][ T570] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 54.555189][ T570] RIP: 0033:0x7fb920d8d5fc
[ 54.559682][ T570] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 54.579315][ T570] RSP: 002b:00007fb921c07030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 54.587717][ T570] RAX: ffffffffffffffda RBX: 00007fb920fb5fa0 RCX: 00007fb920d8d5fc
[ 54.595760][ T570] RDX: 000000000000000f RSI: 00007fb921c070a0 RDI: 0000000000000005
[ 54.603718][ T570] RBP: 00007fb921c07090 R08: 0000000000000000 R09: 0000000000000000
[ 54.611690][ T570] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 54.619653][ T570] R13: 00007fb920fb6038 R14: 00007fb920fb5fa0 R15: 00007ffd932bea48
[ 54.627714][ T570]
[ 54.634792][ T580] FAULT_INJECTION: forcing a failure.
[ 54.634792][ T580] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 54.647223][ T578] CPU: 1 PID: 578 Comm: syz.3.40 Not tainted syzkaller #0
[ 54.655032][ T578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 54.665089][ T578] Call Trace:
[ 54.668353][ T578]
[ 54.671272][ T578] __dump_stack+0x21/0x24
[ 54.675590][ T578] dump_stack_lvl+0xee/0x150
[ 54.680175][ T578] ? __cfi_dump_stack_lvl+0x8/0x8
[ 54.685213][ T578] dump_stack+0x15/0x24
[ 54.689368][ T578] should_fail_ex+0x3d4/0x520
[ 54.694036][ T578] should_fail+0xb/0x10
[ 54.698194][ T578] should_fail_usercopy+0x1a/0x20
[ 54.703311][ T578] _copy_to_user+0x1e/0x90
[ 54.707723][ T578] simple_read_from_buffer+0xe9/0x160
[ 54.713077][ T578] proc_fail_nth_read+0x19a/0x210
[ 54.718081][ T578] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 54.723616][ T578] ? security_file_permission+0x94/0xb0
[ 54.729253][ T578] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 54.734787][ T578] vfs_read+0x26e/0x8c0
[ 54.738932][ T578] ? __cfi_vfs_read+0x10/0x10
[ 54.743598][ T578] ? __kasan_check_write+0x14/0x20
[ 54.748694][ T578] ? mutex_lock+0x8d/0x1a0
[ 54.753109][ T578] ? __cfi_mutex_lock+0x10/0x10
[ 54.757945][ T578] ? __fdget_pos+0x2cd/0x380
[ 54.762513][ T578] ? ksys_read+0x71/0x240
[ 54.766833][ T578] ksys_read+0x140/0x240
[ 54.771065][ T578] ? __cfi_ksys_read+0x10/0x10
[ 54.775811][ T578] ? debug_smp_processor_id+0x17/0x20
[ 54.781164][ T578] __x64_sys_read+0x7b/0x90
[ 54.785645][ T578] x64_sys_call+0x2f/0x9a0
[ 54.790042][ T578] do_syscall_64+0x4c/0xa0
[ 54.794438][ T578] ? clear_bhb_loop+0x30/0x80
[ 54.799125][ T578] ? clear_bhb_loop+0x30/0x80
[ 54.803785][ T578] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 54.809671][ T578] RIP: 0033:0x7fdacd58d5fc
[ 54.814065][ T578] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 54.833964][ T578] RSP: 002b:00007fdace445030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 54.842411][ T578] RAX: ffffffffffffffda RBX: 00007fdacd7b5fa0 RCX: 00007fdacd58d5fc
[ 54.850372][ T578] RDX: 000000000000000f RSI: 00007fdace4450a0 RDI: 0000000000000005
[ 54.858437][ T578] RBP: 00007fdace445090 R08: 0000000000000000 R09: 0000000000000000
[ 54.866391][ T578] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 54.874342][ T578] R13: 00007fdacd7b6038 R14: 00007fdacd7b5fa0 R15: 00007ffc1c454ff8
[ 54.882299][ T578]
[ 54.893142][ T580] CPU: 1 PID: 580 Comm: syz.6.41 Not tainted syzkaller #0
[ 54.900287][ T580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 54.910330][ T580] Call Trace:
[ 54.913595][ T580]
[ 54.916511][ T580] __dump_stack+0x21/0x24
[ 54.920827][ T580] dump_stack_lvl+0xee/0x150
[ 54.925399][ T580] ? __cfi_dump_stack_lvl+0x8/0x8
[ 54.930405][ T580] dump_stack+0x15/0x24
[ 54.934569][ T580] should_fail_ex+0x3d4/0x520
[ 54.939248][ T580] should_fail+0xb/0x10
[ 54.943413][ T580] should_fail_usercopy+0x1a/0x20
[ 54.948423][ T580] _copy_to_user+0x1e/0x90
[ 54.952825][ T580] simple_read_from_buffer+0xe9/0x160
[ 54.958179][ T580] proc_fail_nth_read+0x19a/0x210
[ 54.963189][ T580] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 54.968724][ T580] ? security_file_permission+0x94/0xb0
[ 54.974448][ T580] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 54.980000][ T580] vfs_read+0x26e/0x8c0
[ 54.984162][ T580] ? __cfi_vfs_read+0x10/0x10
[ 54.988827][ T580] ? __kasan_check_write+0x14/0x20
[ 54.993923][ T580] ? mutex_lock+0x8d/0x1a0
[ 54.998501][ T580] ? __cfi_mutex_lock+0x10/0x10
[ 55.003350][ T580] ? __fdget_pos+0x2cd/0x380
[ 55.007926][ T580] ? ksys_read+0x71/0x240
[ 55.012241][ T580] ksys_read+0x140/0x240
[ 55.016482][ T580] ? __cfi_ksys_read+0x10/0x10
[ 55.021619][ T580] ? debug_smp_processor_id+0x17/0x20
[ 55.026973][ T580] __x64_sys_read+0x7b/0x90
[ 55.031458][ T580] x64_sys_call+0x2f/0x9a0
[ 55.035853][ T580] do_syscall_64+0x4c/0xa0
[ 55.040250][ T580] ? clear_bhb_loop+0x30/0x80
[ 55.045175][ T580] ? clear_bhb_loop+0x30/0x80
[ 55.049843][ T580] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 55.055726][ T580] RIP: 0033:0x7f883118d5fc
[ 55.060154][ T580] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 55.079750][ T580] RSP: 002b:00007f8831f86030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 55.088158][ T580] RAX: ffffffffffffffda RBX: 00007f88313b5fa0 RCX: 00007f883118d5fc
[ 55.096199][ T580] RDX: 000000000000000f RSI: 00007f8831f860a0 RDI: 0000000000000005
[ 55.104162][ T580] RBP: 00007f8831f86090 R08: 0000000000000000 R09: 0000000000000000
[ 55.112207][ T580] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 55.120171][ T580] R13: 00007f88313b6038 R14: 00007f88313b5fa0 R15: 00007ffc68c53748
[ 55.128169][ T580]
[ 55.175429][ T589] FAULT_INJECTION: forcing a failure.
[ 55.175429][ T589] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 55.176926][ T583] FAULT_INJECTION: forcing a failure.
[ 55.176926][ T583] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 55.194206][ T584] FAULT_INJECTION: forcing a failure.
[ 55.194206][ T584] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 55.203851][ T587] FAULT_INJECTION: forcing a failure.
[ 55.203851][ T587] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 55.215473][ T584] CPU: 1 PID: 584 Comm: syz.2.42 Not tainted syzkaller #0
[ 55.234827][ T584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 55.244886][ T584] Call Trace:
[ 55.248169][ T584]
[ 55.251104][ T584] __dump_stack+0x21/0x24
[ 55.255440][ T584] dump_stack_lvl+0xee/0x150
[ 55.260040][ T584] ? __cfi_dump_stack_lvl+0x8/0x8
[ 55.265059][ T584] dump_stack+0x15/0x24
[ 55.269239][ T584] should_fail_ex+0x3d4/0x520
[ 55.273919][ T584] should_fail+0xb/0x10
[ 55.278168][ T584] should_fail_usercopy+0x1a/0x20
[ 55.283218][ T584] _copy_to_user+0x1e/0x90
[ 55.287633][ T584] simple_read_from_buffer+0xe9/0x160
[ 55.292994][ T584] proc_fail_nth_read+0x19a/0x210
[ 55.298014][ T584] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 55.303735][ T584] ? security_file_permission+0x94/0xb0
[ 55.309366][ T584] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 55.314901][ T584] vfs_read+0x26e/0x8c0
[ 55.319046][ T584] ? __cfi_vfs_read+0x10/0x10
[ 55.323886][ T584] ? __kasan_check_write+0x14/0x20
[ 55.329160][ T584] ? mutex_lock+0x8d/0x1a0
[ 55.333566][ T584] ? __cfi_mutex_lock+0x10/0x10
[ 55.338410][ T584] ? __fdget_pos+0x2cd/0x380
[ 55.342984][ T584] ? ksys_read+0x71/0x240
[ 55.347319][ T584] ksys_read+0x140/0x240
[ 55.351652][ T584] ? __cfi_ksys_read+0x10/0x10
[ 55.356408][ T584] ? fpregs_restore_userregs+0x128/0x260
[ 55.362051][ T584] __x64_sys_read+0x7b/0x90
[ 55.366541][ T584] x64_sys_call+0x2f/0x9a0
[ 55.370945][ T584] do_syscall_64+0x4c/0xa0
[ 55.375526][ T584] ? clear_bhb_loop+0x30/0x80
[ 55.380253][ T584] ? clear_bhb_loop+0x30/0x80
[ 55.384923][ T584] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 55.390805][ T584] RIP: 0033:0x7fbb4978d5fc
[ 55.395206][ T584] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 55.414800][ T584] RSP: 002b:00007fbb4a5d6030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 55.423200][ T584] RAX: ffffffffffffffda RBX: 00007fbb499b5fa0 RCX: 00007fbb4978d5fc
[ 55.431162][ T584] RDX: 000000000000000f RSI: 00007fbb4a5d60a0 RDI: 0000000000000005
[ 55.439121][ T584] RBP: 00007fbb4a5d6090 R08: 0000000000000000 R09: 0000000000000000
[ 55.447079][ T584] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 55.455128][ T584] R13: 00007fbb499b6038 R14: 00007fbb499b5fa0 R15: 00007ffe4f2ae278
[ 55.463093][ T584]
[ 55.466101][ T583] CPU: 0 PID: 583 Comm: syz.6.43 Not tainted syzkaller #0
[ 55.473239][ T583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 55.483303][ T583] Call Trace:
[ 55.486586][ T583]
[ 55.488927][ T591] FAULT_INJECTION: forcing a failure.
[ 55.488927][ T591] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 55.489514][ T583] __dump_stack+0x21/0x24
[ 55.506824][ T583] dump_stack_lvl+0xee/0x150
[ 55.511410][ T583] ? __cfi_dump_stack_lvl+0x8/0x8
[ 55.516421][ T583] dump_stack+0x15/0x24
[ 55.520567][ T583] should_fail_ex+0x3d4/0x520
[ 55.525243][ T583] should_fail+0xb/0x10
[ 55.529567][ T583] should_fail_usercopy+0x1a/0x20
[ 55.534589][ T583] _copy_to_user+0x1e/0x90
[ 55.539017][ T583] simple_read_from_buffer+0xe9/0x160
[ 55.544377][ T583] proc_fail_nth_read+0x19a/0x210
[ 55.549388][ T583] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 55.554927][ T583] ? security_file_permission+0x94/0xb0
[ 55.560651][ T583] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 55.566205][ T583] vfs_read+0x26e/0x8c0
[ 55.570364][ T583] ? __cfi_vfs_read+0x10/0x10
[ 55.575034][ T583] ? __kasan_check_write+0x14/0x20
[ 55.580220][ T583] ? mutex_lock+0x8d/0x1a0
[ 55.584625][ T583] ? __cfi_mutex_lock+0x10/0x10
[ 55.589470][ T583] ? __fdget_pos+0x2cd/0x380
[ 55.594133][ T583] ? ksys_read+0x71/0x240
[ 55.598457][ T583] ksys_read+0x140/0x240
[ 55.602692][ T583] ? __cfi_ksys_read+0x10/0x10
[ 55.607449][ T583] ? debug_smp_processor_id+0x17/0x20
[ 55.612819][ T583] __x64_sys_read+0x7b/0x90
[ 55.617321][ T583] x64_sys_call+0x2f/0x9a0
[ 55.621750][ T583] do_syscall_64+0x4c/0xa0
[ 55.626171][ T583] ? clear_bhb_loop+0x30/0x80
[ 55.630853][ T583] ? clear_bhb_loop+0x30/0x80
[ 55.635541][ T583] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 55.641448][ T583] RIP: 0033:0x7f883118d5fc
[ 55.643076][ T593] FAULT_INJECTION: forcing a failure.
[ 55.643076][ T593] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 55.645949][ T583] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 55.645965][ T583] RSP: 002b:00007f8831f86030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 55.687229][ T583] RAX: ffffffffffffffda RBX: 00007f88313b5fa0 RCX: 00007f883118d5fc
[ 55.695201][ T583] RDX: 000000000000000f RSI: 00007f8831f860a0 RDI: 0000000000000005
[ 55.703198][ T583] RBP: 00007f8831f86090 R08: 0000000000000000 R09: 0000000000000000
[ 55.711184][ T583] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 55.719160][ T583] R13: 00007f88313b6038 R14: 00007f88313b5fa0 R15: 00007ffc68c53748
[ 55.727157][ T583]
[ 55.730582][ T591] CPU: 0 PID: 591 Comm: syz.0.45 Not tainted syzkaller #0
[ 55.737703][ T591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 55.747741][ T591] Call Trace:
[ 55.751008][ T591]
[ 55.753939][ T591] __dump_stack+0x21/0x24
[ 55.758267][ T591] dump_stack_lvl+0xee/0x150
[ 55.762856][ T591] ? __cfi_dump_stack_lvl+0x8/0x8
[ 55.767899][ T591] dump_stack+0x15/0x24
[ 55.772093][ T591] should_fail_ex+0x3d4/0x520
[ 55.776769][ T591] should_fail+0xb/0x10
[ 55.780913][ T591] should_fail_usercopy+0x1a/0x20
[ 55.785932][ T591] _copy_to_user+0x1e/0x90
[ 55.790346][ T591] simple_read_from_buffer+0xe9/0x160
[ 55.795700][ T591] proc_fail_nth_read+0x19a/0x210
[ 55.800792][ T591] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 55.806420][ T591] ? security_file_permission+0x94/0xb0
[ 55.811948][ T591] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 55.817477][ T591] vfs_read+0x26e/0x8c0
[ 55.821620][ T591] ? __cfi_vfs_read+0x10/0x10
[ 55.826288][ T591] ? __kasan_check_write+0x14/0x20
[ 55.831381][ T591] ? mutex_lock+0x8d/0x1a0
[ 55.835782][ T591] ? __cfi_mutex_lock+0x10/0x10
[ 55.840616][ T591] ? __fdget_pos+0x2cd/0x380
[ 55.845187][ T591] ? ksys_read+0x71/0x240
[ 55.849503][ T591] ksys_read+0x140/0x240
[ 55.853734][ T591] ? __cfi_ksys_read+0x10/0x10
[ 55.858499][ T591] ? debug_smp_processor_id+0x17/0x20
[ 55.863853][ T591] __x64_sys_read+0x7b/0x90
[ 55.868337][ T591] x64_sys_call+0x2f/0x9a0
[ 55.872738][ T591] do_syscall_64+0x4c/0xa0
[ 55.877134][ T591] ? clear_bhb_loop+0x30/0x80
[ 55.881803][ T591] ? clear_bhb_loop+0x30/0x80
[ 55.886461][ T591] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 55.892340][ T591] RIP: 0033:0x7fb920d8d5fc
[ 55.896742][ T591] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 55.916414][ T591] RSP: 002b:00007fb921c07030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 55.924807][ T591] RAX: ffffffffffffffda RBX: 00007fb920fb5fa0 RCX: 00007fb920d8d5fc
[ 55.932856][ T591] RDX: 000000000000000f RSI: 00007fb921c070a0 RDI: 0000000000000005
[ 55.940812][ T591] RBP: 00007fb921c07090 R08: 0000000000000000 R09: 0000000000000000
[ 55.948762][ T591] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 55.956718][ T591] R13: 00007fb920fb6038 R14: 00007fb920fb5fa0 R15: 00007ffd932bea48
[ 55.964676][ T591]
[ 55.967820][ T593] CPU: 0 PID: 593 Comm: syz.2.46 Not tainted syzkaller #0
[ 55.974932][ T593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 55.984981][ T593] Call Trace:
[ 55.988255][ T593]
[ 55.991205][ T593] __dump_stack+0x21/0x24
[ 55.995557][ T593] dump_stack_lvl+0xee/0x150
[ 56.000138][ T593] ? __cfi_dump_stack_lvl+0x8/0x8
[ 56.005146][ T593] dump_stack+0x15/0x24
[ 56.009293][ T593] should_fail_ex+0x3d4/0x520
[ 56.013955][ T593] should_fail+0xb/0x10
[ 56.018213][ T593] should_fail_usercopy+0x1a/0x20
[ 56.023224][ T593] _copy_to_user+0x1e/0x90
[ 56.027628][ T593] simple_read_from_buffer+0xe9/0x160
[ 56.032979][ T593] proc_fail_nth_read+0x19a/0x210
[ 56.037993][ T593] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 56.043524][ T593] ? security_file_permission+0x94/0xb0
[ 56.049055][ T593] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 56.054578][ T593] vfs_read+0x26e/0x8c0
[ 56.058815][ T593] ? __cfi_vfs_read+0x10/0x10
[ 56.063478][ T593] ? __kasan_check_write+0x14/0x20
[ 56.068600][ T593] ? mutex_lock+0x8d/0x1a0
[ 56.073009][ T593] ? __cfi_mutex_lock+0x10/0x10
[ 56.077849][ T593] ? __fdget_pos+0x2cd/0x380
[ 56.082431][ T593] ? ksys_read+0x71/0x240
[ 56.086748][ T593] ksys_read+0x140/0x240
[ 56.090976][ T593] ? __cfi_ksys_read+0x10/0x10
[ 56.095723][ T593] ? debug_smp_processor_id+0x17/0x20
[ 56.101077][ T593] __x64_sys_read+0x7b/0x90
[ 56.105560][ T593] x64_sys_call+0x2f/0x9a0
[ 56.109971][ T593] do_syscall_64+0x4c/0xa0
[ 56.114391][ T593] ? clear_bhb_loop+0x30/0x80
[ 56.119062][ T593] ? clear_bhb_loop+0x30/0x80
[ 56.123731][ T593] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 56.129613][ T593] RIP: 0033:0x7fbb4978d5fc
[ 56.134011][ T593] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 56.153601][ T593] RSP: 002b:00007fbb4a5d6030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 56.162003][ T593] RAX: ffffffffffffffda RBX: 00007fbb499b5fa0 RCX: 00007fbb4978d5fc
[ 56.169966][ T593] RDX: 000000000000000f RSI: 00007fbb4a5d60a0 RDI: 0000000000000005
[ 56.177935][ T593] RBP: 00007fbb4a5d6090 R08: 0000000000000000 R09: 0000000000000000
[ 56.185893][ T593] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 56.193844][ T593] R13: 00007fbb499b6038 R14: 00007fbb499b5fa0 R15: 00007ffe4f2ae278
[ 56.201801][ T593]
[ 56.205459][ T589] CPU: 1 PID: 589 Comm: syz.3.44 Not tainted syzkaller #0
[ 56.212585][ T589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 56.222633][ T589] Call Trace:
[ 56.225900][ T589]
[ 56.228815][ T589] __dump_stack+0x21/0x24
[ 56.233190][ T589] dump_stack_lvl+0xee/0x150
[ 56.237773][ T589] ? __cfi_dump_stack_lvl+0x8/0x8
[ 56.242788][ T589] dump_stack+0x15/0x24
[ 56.246929][ T589] should_fail_ex+0x3d4/0x520
[ 56.251600][ T589] should_fail+0xb/0x10
[ 56.255741][ T589] should_fail_usercopy+0x1a/0x20
[ 56.260753][ T589] _copy_to_user+0x1e/0x90
[ 56.265180][ T589] simple_read_from_buffer+0xe9/0x160
[ 56.270538][ T589] proc_fail_nth_read+0x19a/0x210
[ 56.275632][ T589] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 56.281170][ T589] ? security_file_permission+0x94/0xb0
[ 56.286793][ T589] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 56.292324][ T589] vfs_read+0x26e/0x8c0
[ 56.296475][ T589] ? __cfi_vfs_read+0x10/0x10
[ 56.301140][ T589] ? __kasan_check_write+0x14/0x20
[ 56.306233][ T589] ? mutex_lock+0x8d/0x1a0
[ 56.310635][ T589] ? __cfi_mutex_lock+0x10/0x10
[ 56.315474][ T589] ? __fdget_pos+0x2cd/0x380
[ 56.320059][ T589] ? ksys_read+0x71/0x240
[ 56.324396][ T589] ksys_read+0x140/0x240
[ 56.328634][ T589] ? __cfi_ksys_read+0x10/0x10
[ 56.333397][ T589] ? debug_smp_processor_id+0x17/0x20
[ 56.338758][ T589] __x64_sys_read+0x7b/0x90
[ 56.343251][ T589] x64_sys_call+0x2f/0x9a0
[ 56.347649][ T589] do_syscall_64+0x4c/0xa0
[ 56.352157][ T589] ? clear_bhb_loop+0x30/0x80
[ 56.356818][ T589] ? clear_bhb_loop+0x30/0x80
[ 56.361506][ T589] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 56.367382][ T589] RIP: 0033:0x7fdacd58d5fc
[ 56.371790][ T589] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 56.391467][ T589] RSP: 002b:00007fdace445030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 56.399862][ T589] RAX: ffffffffffffffda RBX: 00007fdacd7b5fa0 RCX: 00007fdacd58d5fc
[ 56.407814][ T589] RDX: 000000000000000f RSI: 00007fdace4450a0 RDI: 0000000000000005
[ 56.415780][ T589] RBP: 00007fdace445090 R08: 0000000000000000 R09: 0000000000000000
[ 56.423744][ T589] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 56.431692][ T589] R13: 00007fdacd7b6038 R14: 00007fdacd7b5fa0 R15: 00007ffc1c454ff8
[ 56.439645][ T589]
[ 56.444639][ T587] CPU: 0 PID: 587 Comm: syz.4.21 Not tainted syzkaller #0
[ 56.451779][ T587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 56.461831][ T587] Call Trace:
[ 56.465135][ T587]
[ 56.468064][ T587] __dump_stack+0x21/0x24
[ 56.472424][ T587] dump_stack_lvl+0xee/0x150
[ 56.477110][ T587] ? __cfi_dump_stack_lvl+0x8/0x8
[ 56.482235][ T587] dump_stack+0x15/0x24
[ 56.486401][ T587] should_fail_ex+0x3d4/0x520
[ 56.491088][ T587] should_fail+0xb/0x10
[ 56.495331][ T587] should_fail_usercopy+0x1a/0x20
[ 56.500343][ T587] _copy_to_user+0x1e/0x90
[ 56.504745][ T587] simple_read_from_buffer+0xe9/0x160
[ 56.510106][ T587] proc_fail_nth_read+0x19a/0x210
[ 56.515116][ T587] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 56.520654][ T587] ? security_file_permission+0x94/0xb0
[ 56.526185][ T587] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 56.531712][ T587] vfs_read+0x26e/0x8c0
[ 56.535854][ T587] ? __cfi_vfs_read+0x10/0x10
[ 56.540515][ T587] ? __kasan_check_write+0x14/0x20
[ 56.545608][ T587] ? mutex_lock+0x8d/0x1a0
[ 56.550005][ T587] ? __cfi_mutex_lock+0x10/0x10
[ 56.554845][ T587] ? __fdget_pos+0x2cd/0x380
[ 56.559413][ T587] ? ksys_read+0x71/0x240
[ 56.563726][ T587] ksys_read+0x140/0x240
[ 56.568333][ T587] ? __cfi_ksys_read+0x10/0x10
[ 56.573086][ T587] ? debug_smp_processor_id+0x17/0x20
[ 56.578532][ T587] __x64_sys_read+0x7b/0x90
[ 56.583021][ T587] x64_sys_call+0x2f/0x9a0
[ 56.587434][ T587] do_syscall_64+0x4c/0xa0
[ 56.591830][ T587] ? clear_bhb_loop+0x30/0x80
[ 56.596490][ T587] ? clear_bhb_loop+0x30/0x80
[ 56.601162][ T587] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 56.607079][ T587] RIP: 0033:0x7f9775d8d5fc
[ 56.611477][ T587] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 56.631068][ T587] RSP: 002b:00007f9776c9c030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 56.639489][ T587] RAX: ffffffffffffffda RBX: 00007f9775fb5fa0 RCX: 00007f9775d8d5fc
[ 56.647444][ T587] RDX: 000000000000000f RSI: 00007f9776c9c0a0 RDI: 0000000000000005
[ 56.655489][ T587] RBP: 00007f9776c9c090 R08: 0000000000000000 R09: 0000000000000000
[ 56.663445][ T587] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 56.671491][ T587] R13: 00007f9775fb6038 R14: 00007f9775fb5fa0 R15: 00007ffc089bf838
[ 56.679449][ T587]
[ 56.701388][ T597] FAULT_INJECTION: forcing a failure.
[ 56.701388][ T597] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 56.707853][ T602] FAULT_INJECTION: forcing a failure.
[ 56.707853][ T602] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 56.727779][ T597] CPU: 0 PID: 597 Comm: syz.2.48 Not tainted syzkaller #0
[ 56.730186][ T603] FAULT_INJECTION: forcing a failure.
[ 56.730186][ T603] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 56.734901][ T597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 56.734913][ T597] Call Trace:
[ 56.734918][ T597]
[ 56.734924][ T597] __dump_stack+0x21/0x24
[ 56.748777][ T595] FAULT_INJECTION: forcing a failure.
[ 56.748777][ T595] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 56.757959][ T597] dump_stack_lvl+0xee/0x150
[ 56.757981][ T597] ? __cfi_dump_stack_lvl+0x8/0x8
[ 56.757998][ T597] dump_stack+0x15/0x24
[ 56.778471][ T604] FAULT_INJECTION: forcing a failure.
[ 56.778471][ T604] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 56.781556][ T597] should_fail_ex+0x3d4/0x520
[ 56.781586][ T597] should_fail+0xb/0x10
[ 56.817264][ T597] should_fail_usercopy+0x1a/0x20
[ 56.822301][ T597] _copy_to_user+0x1e/0x90
[ 56.826717][ T597] simple_read_from_buffer+0xe9/0x160
[ 56.832143][ T597] proc_fail_nth_read+0x19a/0x210
[ 56.837195][ T597] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 56.842735][ T597] ? security_file_permission+0x94/0xb0
[ 56.848285][ T597] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 56.853834][ T597] vfs_read+0x26e/0x8c0
[ 56.857998][ T597] ? __cfi_vfs_read+0x10/0x10
[ 56.862677][ T597] ? __kasan_check_write+0x14/0x20
[ 56.867778][ T597] ? mutex_lock+0x8d/0x1a0
[ 56.872188][ T597] ? __cfi_mutex_lock+0x10/0x10
[ 56.877205][ T597] ? __fdget_pos+0x2cd/0x380
[ 56.881789][ T597] ? ksys_read+0x71/0x240
[ 56.886114][ T597] ksys_read+0x140/0x240
[ 56.890353][ T597] ? __cfi_ksys_read+0x10/0x10
[ 56.895111][ T597] ? debug_smp_processor_id+0x17/0x20
[ 56.900484][ T597] __x64_sys_read+0x7b/0x90
[ 56.904973][ T597] x64_sys_call+0x2f/0x9a0
[ 56.909388][ T597] do_syscall_64+0x4c/0xa0
[ 56.913807][ T597] ? clear_bhb_loop+0x30/0x80
[ 56.918484][ T597] ? clear_bhb_loop+0x30/0x80
[ 56.923165][ T597] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 56.929051][ T597] RIP: 0033:0x7fbb4978d5fc
[ 56.933455][ T597] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 56.953065][ T597] RSP: 002b:00007fbb4a5d6030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 56.961480][ T597] RAX: ffffffffffffffda RBX: 00007fbb499b5fa0 RCX: 00007fbb4978d5fc
[ 56.969614][ T597] RDX: 000000000000000f RSI: 00007fbb4a5d60a0 RDI: 0000000000000005
[ 56.977585][ T597] RBP: 00007fbb4a5d6090 R08: 0000000000000000 R09: 0000000000000000
[ 56.985577][ T597] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 56.993635][ T597] R13: 00007fbb499b6038 R14: 00007fbb499b5fa0 R15: 00007ffe4f2ae278
[ 57.001611][ T597]
[ 57.004621][ T595] CPU: 1 PID: 595 Comm: syz.3.47 Not tainted syzkaller #0
[ 57.011744][ T595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 57.021805][ T595] Call Trace:
[ 57.025079][ T595]
[ 57.028007][ T595] __dump_stack+0x21/0x24
[ 57.032339][ T595] dump_stack_lvl+0xee/0x150
[ 57.036987][ T595] ? __cfi_dump_stack_lvl+0x8/0x8
[ 57.042029][ T595] dump_stack+0x15/0x24
[ 57.046199][ T595] should_fail_ex+0x3d4/0x520
[ 57.051055][ T595] should_fail+0xb/0x10
[ 57.055216][ T595] should_fail_usercopy+0x1a/0x20
[ 57.060254][ T595] _copy_to_user+0x1e/0x90
[ 57.064666][ T595] simple_read_from_buffer+0xe9/0x160
[ 57.070035][ T595] proc_fail_nth_read+0x19a/0x210
[ 57.075091][ T595] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 57.080646][ T595] ? security_file_permission+0x94/0xb0
[ 57.086206][ T595] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 57.091828][ T595] vfs_read+0x26e/0x8c0
[ 57.095977][ T595] ? __cfi_vfs_read+0x10/0x10
[ 57.100646][ T595] ? __kasan_check_write+0x14/0x20
[ 57.105749][ T595] ? mutex_lock+0x8d/0x1a0
[ 57.110161][ T595] ? __cfi_mutex_lock+0x10/0x10
[ 57.115011][ T595] ? __fdget_pos+0x2cd/0x380
[ 57.119593][ T595] ? ksys_read+0x71/0x240
[ 57.123917][ T595] ksys_read+0x140/0x240
[ 57.128167][ T595] ? __cfi_ksys_read+0x10/0x10
[ 57.133019][ T595] ? debug_smp_processor_id+0x17/0x20
[ 57.138379][ T595] __x64_sys_read+0x7b/0x90
[ 57.142870][ T595] x64_sys_call+0x2f/0x9a0
[ 57.147275][ T595] do_syscall_64+0x4c/0xa0
[ 57.151677][ T595] ? clear_bhb_loop+0x30/0x80
[ 57.156432][ T595] ? clear_bhb_loop+0x30/0x80
[ 57.161102][ T595] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 57.166994][ T595] RIP: 0033:0x7fdacd58d5fc
[ 57.171394][ T595] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 57.190987][ T595] RSP: 002b:00007fdace445030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 57.199391][ T595] RAX: ffffffffffffffda RBX: 00007fdacd7b5fa0 RCX: 00007fdacd58d5fc
[ 57.207344][ T595] RDX: 000000000000000f RSI: 00007fdace4450a0 RDI: 0000000000000005
[ 57.215296][ T595] RBP: 00007fdace445090 R08: 0000000000000000 R09: 0000000000000000
[ 57.223245][ T595] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 57.231199][ T595] R13: 00007fdacd7b6038 R14: 00007fdacd7b5fa0 R15: 00007ffc1c454ff8
[ 57.239157][ T595]
[ 57.243244][ T602] CPU: 1 PID: 602 Comm: syz.6.51 Not tainted syzkaller #0
[ 57.250184][ T606] FAULT_INJECTION: forcing a failure.
[ 57.250184][ T606] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 57.250385][ T602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 57.273681][ T602] Call Trace:
[ 57.276951][ T602]
[ 57.279869][ T602] __dump_stack+0x21/0x24
[ 57.284192][ T602] dump_stack_lvl+0xee/0x150
[ 57.288770][ T602] ? __cfi_dump_stack_lvl+0x8/0x8
[ 57.293783][ T602] dump_stack+0x15/0x24
[ 57.298024][ T602] should_fail_ex+0x3d4/0x520
[ 57.302701][ T602] should_fail+0xb/0x10
[ 57.306846][ T602] should_fail_usercopy+0x1a/0x20
[ 57.311860][ T602] _copy_to_user+0x1e/0x90
[ 57.316266][ T602] simple_read_from_buffer+0xe9/0x160
[ 57.321630][ T602] proc_fail_nth_read+0x19a/0x210
[ 57.326649][ T602] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 57.332188][ T602] ? security_file_permission+0x94/0xb0
[ 57.337723][ T602] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 57.343257][ T602] vfs_read+0x26e/0x8c0
[ 57.347406][ T602] ? __cfi_vfs_read+0x10/0x10
[ 57.352123][ T602] ? __kasan_check_write+0x14/0x20
[ 57.357216][ T602] ? mutex_lock+0x8d/0x1a0
[ 57.362061][ T602] ? __cfi_mutex_lock+0x10/0x10
[ 57.366894][ T602] ? __fdget_pos+0x2cd/0x380
[ 57.371464][ T602] ? ksys_read+0x71/0x240
[ 57.375777][ T602] ksys_read+0x140/0x240
[ 57.380004][ T602] ? __cfi_ksys_read+0x10/0x10
[ 57.384791][ T602] ? debug_smp_processor_id+0x17/0x20
[ 57.390143][ T602] __x64_sys_read+0x7b/0x90
[ 57.394628][ T602] x64_sys_call+0x2f/0x9a0
[ 57.399112][ T602] do_syscall_64+0x4c/0xa0
[ 57.403517][ T602] ? clear_bhb_loop+0x30/0x80
[ 57.408199][ T602] ? clear_bhb_loop+0x30/0x80
[ 57.412888][ T602] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 57.418772][ T602] RIP: 0033:0x7f883118d5fc
[ 57.423181][ T602] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 57.442773][ T602] RSP: 002b:00007f8831f86030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 57.451169][ T602] RAX: ffffffffffffffda RBX: 00007f88313b5fa0 RCX: 00007f883118d5fc
[ 57.459125][ T602] RDX: 000000000000000f RSI: 00007f8831f860a0 RDI: 0000000000000005
[ 57.467104][ T602] RBP: 00007f8831f86090 R08: 0000000000000000 R09: 0000000000000000
[ 57.475064][ T602] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 57.483113][ T602] R13: 00007f88313b6038 R14: 00007f88313b5fa0 R15: 00007ffc68c53748
[ 57.491086][ T602]
[ 57.494207][ T603] CPU: 0 PID: 603 Comm: syz.4.50 Not tainted syzkaller #0
[ 57.501356][ T603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 57.511410][ T603] Call Trace:
[ 57.514698][ T603]
[ 57.517620][ T603] __dump_stack+0x21/0x24
[ 57.521954][ T603] dump_stack_lvl+0xee/0x150
[ 57.526623][ T603] ? __cfi_dump_stack_lvl+0x8/0x8
[ 57.531642][ T603] dump_stack+0x15/0x24
[ 57.535786][ T603] should_fail_ex+0x3d4/0x520
[ 57.540540][ T603] should_fail+0xb/0x10
[ 57.544690][ T603] should_fail_usercopy+0x1a/0x20
[ 57.549726][ T603] _copy_to_user+0x1e/0x90
[ 57.554150][ T603] simple_read_from_buffer+0xe9/0x160
[ 57.559599][ T603] proc_fail_nth_read+0x19a/0x210
[ 57.564623][ T603] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 57.570262][ T603] ? security_file_permission+0x94/0xb0
[ 57.575809][ T603] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 57.581436][ T603] vfs_read+0x26e/0x8c0
[ 57.585597][ T603] ? __cfi_vfs_read+0x10/0x10
[ 57.590273][ T603] ? __kasan_check_write+0x14/0x20
[ 57.595396][ T603] ? mutex_lock+0x8d/0x1a0
[ 57.599823][ T603] ? __cfi_mutex_lock+0x10/0x10
[ 57.604683][ T603] ? __fdget_pos+0x2cd/0x380
[ 57.609355][ T603] ? ksys_read+0x71/0x240
[ 57.613692][ T603] ksys_read+0x140/0x240
[ 57.617942][ T603] ? __cfi_ksys_read+0x10/0x10
[ 57.622781][ T603] ? debug_smp_processor_id+0x17/0x20
[ 57.628140][ T603] __x64_sys_read+0x7b/0x90
[ 57.632638][ T603] x64_sys_call+0x2f/0x9a0
[ 57.637227][ T603] do_syscall_64+0x4c/0xa0
[ 57.641639][ T603] ? clear_bhb_loop+0x30/0x80
[ 57.646337][ T603] ? clear_bhb_loop+0x30/0x80
[ 57.651189][ T603] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 57.657079][ T603] RIP: 0033:0x7f9775d8d5fc
[ 57.661575][ T603] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
2025/11/04 18:04:49 executed programs: 46
[ 57.681346][ T603] RSP: 002b:00007f9776c9c030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 57.689755][ T603] RAX: ffffffffffffffda RBX: 00007f9775fb5fa0 RCX: 00007f9775d8d5fc
[ 57.697723][ T603] RDX: 000000000000000f RSI: 00007f9776c9c0a0 RDI: 0000000000000005
[ 57.705692][ T603] RBP: 00007f9776c9c090 R08: 0000000000000000 R09: 0000000000000000
[ 57.713662][ T603] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 57.721622][ T603] R13: 00007f9775fb6038 R14: 00007f9775fb5fa0 R15: 00007ffc089bf838
[ 57.729591][ T603]
[ 57.732608][ T606] CPU: 1 PID: 606 Comm: syz.2.52 Not tainted syzkaller #0
[ 57.739728][ T606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 57.749778][ T606] Call Trace:
[ 57.753071][ T606]
[ 57.755989][ T606] __dump_stack+0x21/0x24
[ 57.760310][ T606] dump_stack_lvl+0xee/0x150
[ 57.764888][ T606] ? __cfi_dump_stack_lvl+0x8/0x8
[ 57.769899][ T606] dump_stack+0x15/0x24
[ 57.774048][ T606] should_fail_ex+0x3d4/0x520
[ 57.778732][ T606] should_fail+0xb/0x10
[ 57.782894][ T606] should_fail_usercopy+0x1a/0x20
[ 57.787915][ T606] _copy_to_user+0x1e/0x90
[ 57.792324][ T606] simple_read_from_buffer+0xe9/0x160
[ 57.797720][ T606] proc_fail_nth_read+0x19a/0x210
[ 57.802735][ T606] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 57.808272][ T606] ? security_file_permission+0x94/0xb0
[ 57.813894][ T606] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 57.819444][ T606] vfs_read+0x26e/0x8c0
[ 57.823616][ T606] ? __cfi_vfs_read+0x10/0x10
[ 57.828294][ T606] ? __kasan_check_write+0x14/0x20
[ 57.833396][ T606] ? mutex_lock+0x8d/0x1a0
[ 57.837808][ T606] ? __cfi_mutex_lock+0x10/0x10
[ 57.842644][ T606] ? __fdget_pos+0x2cd/0x380
[ 57.847240][ T606] ? ksys_read+0x71/0x240
[ 57.851563][ T606] ksys_read+0x140/0x240
[ 57.855804][ T606] ? __cfi_ksys_read+0x10/0x10
[ 57.860579][ T606] ? debug_smp_processor_id+0x17/0x20
[ 57.865952][ T606] __x64_sys_read+0x7b/0x90
[ 57.870446][ T606] x64_sys_call+0x2f/0x9a0
[ 57.874955][ T606] do_syscall_64+0x4c/0xa0
[ 57.879621][ T606] ? clear_bhb_loop+0x30/0x80
[ 57.884295][ T606] ? clear_bhb_loop+0x30/0x80
[ 57.889082][ T606] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 57.895068][ T606] RIP: 0033:0x7fbb4978d5fc
[ 57.899469][ T606] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 57.919186][ T606] RSP: 002b:00007fbb4a5d6030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 57.927675][ T606] RAX: ffffffffffffffda RBX: 00007fbb499b5fa0 RCX: 00007fbb4978d5fc
[ 57.935633][ T606] RDX: 000000000000000f RSI: 00007fbb4a5d60a0 RDI: 0000000000000005
[ 57.943592][ T606] RBP: 00007fbb4a5d6090 R08: 0000000000000000 R09: 0000000000000000
[ 57.951548][ T606] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 57.959506][ T606] R13: 00007fbb499b6038 R14: 00007fbb499b5fa0 R15: 00007ffe4f2ae278
[ 57.967489][ T606]
[ 57.970666][ T604] CPU: 0 PID: 604 Comm: syz.0.49 Not tainted syzkaller #0
[ 57.977780][ T604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 57.987832][ T604] Call Trace:
[ 57.991100][ T604]
[ 57.994012][ T604] __dump_stack+0x21/0x24
[ 57.998325][ T604] dump_stack_lvl+0xee/0x150
[ 58.002915][ T604] ? __cfi_dump_stack_lvl+0x8/0x8
[ 58.007927][ T604] dump_stack+0x15/0x24
[ 58.012075][ T604] should_fail_ex+0x3d4/0x520
[ 58.016746][ T604] should_fail+0xb/0x10
[ 58.020884][ T604] should_fail_usercopy+0x1a/0x20
[ 58.025896][ T604] _copy_to_user+0x1e/0x90
[ 58.030295][ T604] simple_read_from_buffer+0xe9/0x160
[ 58.035649][ T604] proc_fail_nth_read+0x19a/0x210
[ 58.040656][ T604] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 58.046186][ T604] ? security_file_permission+0x94/0xb0
[ 58.051716][ T604] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 58.057257][ T604] vfs_read+0x26e/0x8c0
[ 58.061397][ T604] ? __cfi_vfs_read+0x10/0x10
[ 58.066072][ T604] ? __kasan_check_write+0x14/0x20
[ 58.071253][ T604] ? mutex_lock+0x8d/0x1a0
[ 58.075652][ T604] ? __cfi_mutex_lock+0x10/0x10
[ 58.080570][ T604] ? __fdget_pos+0x2cd/0x380
[ 58.085225][ T604] ? ksys_read+0x71/0x240
[ 58.089539][ T604] ksys_read+0x140/0x240
[ 58.093802][ T604] ? __cfi_ksys_read+0x10/0x10
[ 58.098559][ T604] ? debug_smp_processor_id+0x17/0x20
[ 58.103941][ T604] __x64_sys_read+0x7b/0x90
[ 58.108426][ T604] x64_sys_call+0x2f/0x9a0
[ 58.112830][ T604] do_syscall_64+0x4c/0xa0
[ 58.117248][ T604] ? clear_bhb_loop+0x30/0x80
[ 58.122084][ T604] ? clear_bhb_loop+0x30/0x80
[ 58.126750][ T604] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 58.132639][ T604] RIP: 0033:0x7fb920d8d5fc
[ 58.137031][ T604] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 58.156878][ T604] RSP: 002b:00007fb921be6030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 58.165270][ T604] RAX: ffffffffffffffda RBX: 00007fb920fb6090 RCX: 00007fb920d8d5fc
[ 58.173223][ T604] RDX: 000000000000000f RSI: 00007fb921be60a0 RDI: 0000000000000004
[ 58.181188][ T604] RBP: 00007fb921be6090 R08: 0000000000000000 R09: 0000000000000000
[ 58.189138][ T604] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 58.197090][ T604] R13: 00007fb920fb6128 R14: 00007fb920fb6090 R15: 00007ffd932bea48
[ 58.205054][ T604]
[ 58.230440][ T609] FAULT_INJECTION: forcing a failure.
[ 58.230440][ T609] name failslab, interval 1, probability 0, space 0, times 1
[ 58.245346][ T609] CPU: 0 PID: 609 Comm: syz.3.53 Not tainted syzkaller #0
[ 58.252490][ T609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 58.262540][ T609] Call Trace:
[ 58.265809][ T609]
[ 58.268742][ T609] __dump_stack+0x21/0x24
[ 58.273102][ T609] dump_stack_lvl+0xee/0x150
[ 58.277681][ T609] ? __cfi_dump_stack_lvl+0x8/0x8
[ 58.282700][ T609] dump_stack+0x15/0x24
[ 58.286858][ T609] should_fail_ex+0x3d4/0x520
[ 58.291536][ T609] __should_failslab+0xac/0xf0
[ 58.296300][ T609] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 58.296515][ T619] FAULT_INJECTION: forcing a failure.
[ 58.296515][ T619] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 58.302283][ T609] should_failslab+0x9/0x20
[ 58.302301][ T609] __kmem_cache_alloc_node+0x3d/0x2c0
[ 58.315835][ T620] FAULT_INJECTION: forcing a failure.
[ 58.315835][ T620] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 58.319788][ T609] ? __cfi_mutex_lock+0x10/0x10
[ 58.319813][ T609] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 58.334507][ T621] FAULT_INJECTION: forcing a failure.
[ 58.334507][ T621] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 58.338139][ T609] __kmalloc+0xa1/0x1e0
[ 58.338165][ T609] ? __kasan_check_write+0x14/0x20
[ 58.371138][ T609] ? __cfi_perf_trace_sched_wakeup_template+0x10/0x10
[ 58.377900][ T609] tracepoint_probe_unregister+0x1e6/0x8b0
[ 58.383697][ T609] trace_event_reg+0x21c/0x260
[ 58.388447][ T609] perf_trace_event_unreg+0xcc/0x1c0
[ 58.393907][ T609] perf_trace_destroy+0xbe/0x180
[ 58.398833][ T609] tp_perf_event_destroy+0x15/0x20
[ 58.403934][ T609] ? __cfi_tp_perf_event_destroy+0x10/0x10
[ 58.409815][ T609] _free_event+0x9cd/0xce0
[ 58.414222][ T609] perf_event_release_kernel+0x819/0x8a0
[ 58.419841][ T609] ? __cfi_perf_event_release_kernel+0x10/0x10
[ 58.425989][ T609] perf_release+0x3b/0x40
[ 58.430323][ T609] ? __cfi_perf_release+0x10/0x10
[ 58.435354][ T609] __fput+0x1fc/0x8f0
[ 58.439353][ T609] ____fput+0x15/0x20
[ 58.443331][ T609] task_work_run+0x1db/0x240
[ 58.447911][ T609] ? __cfi_task_work_run+0x10/0x10
[ 58.453013][ T609] ? filp_close+0x111/0x160
[ 58.457513][ T609] exit_to_user_mode_loop+0x9b/0xb0
[ 58.462704][ T609] exit_to_user_mode_prepare+0x87/0xd0
[ 58.468235][ T609] syscall_exit_to_user_mode+0x1a/0x30
[ 58.473688][ T609] do_syscall_64+0x58/0xa0
[ 58.478090][ T609] ? clear_bhb_loop+0x30/0x80
[ 58.482757][ T609] ? clear_bhb_loop+0x30/0x80
[ 58.487422][ T609] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 58.493309][ T609] RIP: 0033:0x7fdacd58ebe9
[ 58.497708][ T609] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
[ 58.517336][ T609] RSP: 002b:00007fdace445038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 58.525863][ T609] RAX: 0000000000000000 RBX: 00007fdacd7b5fa0 RCX: 00007fdacd58ebe9
[ 58.533919][ T609] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
[ 58.541894][ T609] RBP: 00007fdace445090 R08: 0000000000000000 R09: 0000000000000000
[ 58.549868][ T609] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 58.557838][ T609] R13: 00007fdacd7b6038 R14: 00007fdacd7b5fa0 R15: 00007ffc1c454ff8
[ 58.565809][ T609]
[ 58.568850][ T619] CPU: 1 PID: 619 Comm: syz.0.55 Not tainted syzkaller #0
[ 58.571786][ T622] FAULT_INJECTION: forcing a failure.
[ 58.571786][ T622] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 58.575965][ T619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 58.575976][ T619] Call Trace:
[ 58.575981][ T619]
[ 58.575987][ T619] __dump_stack+0x21/0x24
[ 58.609506][ T619] dump_stack_lvl+0xee/0x150
[ 58.614092][ T619] ? __cfi_dump_stack_lvl+0x8/0x8
[ 58.619106][ T619] dump_stack+0x15/0x24
[ 58.623254][ T619] should_fail_ex+0x3d4/0x520
[ 58.627926][ T619] should_fail+0xb/0x10
[ 58.632073][ T619] should_fail_usercopy+0x1a/0x20
[ 58.637091][ T619] _copy_to_user+0x1e/0x90
[ 58.641497][ T619] simple_read_from_buffer+0xe9/0x160
[ 58.646859][ T619] proc_fail_nth_read+0x19a/0x210
[ 58.651896][ T619] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 58.657455][ T619] ? security_file_permission+0x94/0xb0
[ 58.662994][ T619] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 58.668535][ T619] vfs_read+0x26e/0x8c0
[ 58.672686][ T619] ? __cfi_vfs_read+0x10/0x10
[ 58.677356][ T619] ? __kasan_check_write+0x14/0x20
[ 58.682549][ T619] ? mutex_lock+0x8d/0x1a0
[ 58.686957][ T619] ? __cfi_mutex_lock+0x10/0x10
[ 58.691806][ T619] ? __fdget_pos+0x2cd/0x380
[ 58.696394][ T619] ? ksys_read+0x71/0x240
[ 58.700717][ T619] ksys_read+0x140/0x240
[ 58.704951][ T619] ? __cfi_ksys_read+0x10/0x10
[ 58.709705][ T619] ? debug_smp_processor_id+0x17/0x20
[ 58.715065][ T619] __x64_sys_read+0x7b/0x90
[ 58.719639][ T619] x64_sys_call+0x2f/0x9a0
[ 58.724045][ T619] do_syscall_64+0x4c/0xa0
[ 58.728446][ T619] ? clear_bhb_loop+0x30/0x80
[ 58.733111][ T619] ? clear_bhb_loop+0x30/0x80
[ 58.737778][ T619] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 58.743692][ T619] RIP: 0033:0x7fb920d8d5fc
[ 58.748093][ T619] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 58.767680][ T619] RSP: 002b:00007fb921be6030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 58.776112][ T619] RAX: ffffffffffffffda RBX: 00007fb920fb6090 RCX: 00007fb920d8d5fc
[ 58.784067][ T619] RDX: 000000000000000f RSI: 00007fb921be60a0 RDI: 0000000000000005
[ 58.792026][ T619] RBP: 00007fb921be6090 R08: 0000000000000000 R09: 0000000000000000
[ 58.799977][ T619] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 58.807926][ T619] R13: 00007fb920fb6128 R14: 00007fb920fb6090 R15: 00007ffd932bea48
[ 58.815883][ T619]
[ 58.820860][ T331] device bridge_slave_1 left promiscuous mode
[ 58.822395][ T621] CPU: 0 PID: 621 Comm: syz.4.57 Not tainted syzkaller #0
[ 58.830338][ T331] bridge0: port 2(bridge_slave_1) entered disabled state
[ 58.834021][ T621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 58.834031][ T621] Call Trace:
[ 58.834036][ T621]
[ 58.834042][ T621] __dump_stack+0x21/0x24
[ 58.861653][ T621] dump_stack_lvl+0xee/0x150
[ 58.866241][ T621] ? __cfi_dump_stack_lvl+0x8/0x8
[ 58.871260][ T621] dump_stack+0x15/0x24
[ 58.875402][ T621] should_fail_ex+0x3d4/0x520
[ 58.880081][ T621] should_fail+0xb/0x10
[ 58.884229][ T621] should_fail_usercopy+0x1a/0x20
[ 58.889242][ T621] _copy_to_user+0x1e/0x90
[ 58.893644][ T621] simple_read_from_buffer+0xe9/0x160
[ 58.899090][ T621] proc_fail_nth_read+0x19a/0x210
[ 58.904108][ T621] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 58.909644][ T621] ? security_file_permission+0x94/0xb0
[ 58.915180][ T621] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 58.920721][ T621] vfs_read+0x26e/0x8c0
[ 58.924878][ T621] ? __cfi_vfs_read+0x10/0x10
[ 58.929543][ T621] ? __kasan_check_write+0x14/0x20
[ 58.934637][ T621] ? mutex_lock+0x8d/0x1a0
[ 58.939043][ T621] ? __cfi_mutex_lock+0x10/0x10
[ 58.943885][ T621] ? __fdget_pos+0x2cd/0x380
[ 58.948461][ T621] ? ksys_read+0x71/0x240
[ 58.952875][ T621] ksys_read+0x140/0x240
[ 58.957113][ T621] ? __cfi_ksys_read+0x10/0x10
[ 58.961869][ T621] ? debug_smp_processor_id+0x17/0x20
[ 58.967228][ T621] __x64_sys_read+0x7b/0x90
[ 58.971719][ T621] x64_sys_call+0x2f/0x9a0
[ 58.976125][ T621] do_syscall_64+0x4c/0xa0
[ 58.980525][ T621] ? clear_bhb_loop+0x30/0x80
[ 58.985192][ T621] ? clear_bhb_loop+0x30/0x80
[ 58.989856][ T621] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 58.995736][ T621] RIP: 0033:0x7f9775d8d5fc
[ 59.000137][ T621] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 59.019818][ T621] RSP: 002b:00007f9776c7b030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 59.028307][ T621] RAX: ffffffffffffffda RBX: 00007f9775fb6090 RCX: 00007f9775d8d5fc
[ 59.036270][ T621] RDX: 000000000000000f RSI: 00007f9776c7b0a0 RDI: 0000000000000005
[ 59.044526][ T621] RBP: 00007f9776c7b090 R08: 0000000000000000 R09: 0000000000000000
[ 59.052486][ T621] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 59.060460][ T621] R13: 00007f9775fb6128 R14: 00007f9775fb6090 R15: 00007ffc089bf838
[ 59.068425][ T621]
[ 59.071448][ T620] CPU: 1 PID: 620 Comm: syz.6.54 Not tainted syzkaller #0
[ 59.078651][ T620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 59.088701][ T620] Call Trace:
[ 59.091972][ T620]
[ 59.094893][ T620] __dump_stack+0x21/0x24
[ 59.099308][ T620] dump_stack_lvl+0xee/0x150
[ 59.103892][ T620] ? __cfi_dump_stack_lvl+0x8/0x8
[ 59.108997][ T620] dump_stack+0x15/0x24
[ 59.113136][ T620] should_fail_ex+0x3d4/0x520
[ 59.117803][ T620] should_fail+0xb/0x10
[ 59.122000][ T620] should_fail_usercopy+0x1a/0x20
[ 59.127020][ T620] _copy_to_user+0x1e/0x90
[ 59.131433][ T620] simple_read_from_buffer+0xe9/0x160
[ 59.136875][ T620] proc_fail_nth_read+0x19a/0x210
[ 59.141885][ T620] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 59.147414][ T620] ? security_file_permission+0x94/0xb0
[ 59.152948][ T620] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 59.158493][ T620] vfs_read+0x26e/0x8c0
[ 59.162645][ T620] ? __cfi_vfs_read+0x10/0x10
[ 59.167327][ T620] ? __kasan_check_write+0x14/0x20
[ 59.172442][ T620] ? mutex_lock+0x8d/0x1a0
[ 59.176865][ T620] ? __cfi_mutex_lock+0x10/0x10
[ 59.181998][ T620] ? __fdget_pos+0x2cd/0x380
[ 59.186598][ T620] ? ksys_read+0x71/0x240
[ 59.190938][ T620] ksys_read+0x140/0x240
[ 59.195182][ T620] ? __cfi_ksys_read+0x10/0x10
[ 59.200044][ T620] ? debug_smp_processor_id+0x17/0x20
[ 59.205409][ T620] __x64_sys_read+0x7b/0x90
[ 59.209914][ T620] x64_sys_call+0x2f/0x9a0
[ 59.214433][ T620] do_syscall_64+0x4c/0xa0
[ 59.218865][ T620] ? clear_bhb_loop+0x30/0x80
[ 59.223557][ T620] ? clear_bhb_loop+0x30/0x80
[ 59.228243][ T620] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 59.234240][ T620] RIP: 0033:0x7f883118d5fc
[ 59.238646][ T620] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 59.258328][ T620] RSP: 002b:00007f8831f65030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 59.266735][ T620] RAX: ffffffffffffffda RBX: 00007f88313b6090 RCX: 00007f883118d5fc
[ 59.274694][ T620] RDX: 000000000000000f RSI: 00007f8831f650a0 RDI: 0000000000000005
[ 59.282844][ T620] RBP: 00007f8831f65090 R08: 0000000000000000 R09: 0000000000000000
[ 59.290815][ T620] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 59.298772][ T620] R13: 00007f88313b6128 R14: 00007f88313b6090 R15: 00007ffc68c53748
[ 59.306736][ T620]
[ 59.309876][ T622] CPU: 0 PID: 622 Comm: syz.2.56 Not tainted syzkaller #0
[ 59.311278][ T331] device bridge_slave_0 left promiscuous mode
[ 59.317081][ T622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 59.317095][ T622] Call Trace:
[ 59.317101][ T622]
[ 59.317108][ T622] __dump_stack+0x21/0x24
[ 59.326584][ T331] bridge0: port 1(bridge_slave_0) entered disabled state
[ 59.333244][ T622] dump_stack_lvl+0xee/0x150
[ 59.333271][ T622] ? __cfi_dump_stack_lvl+0x8/0x8
[ 59.333287][ T622] dump_stack+0x15/0x24
[ 59.333301][ T622] should_fail_ex+0x3d4/0x520
[ 59.369250][ T622] should_fail+0xb/0x10
[ 59.373391][ T622] should_fail_usercopy+0x1a/0x20
[ 59.378403][ T622] _copy_to_user+0x1e/0x90
[ 59.382802][ T622] simple_read_from_buffer+0xe9/0x160
[ 59.388243][ T622] proc_fail_nth_read+0x19a/0x210
[ 59.393256][ T622] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 59.398775][ T622] ? security_file_permission+0x94/0xb0
[ 59.404446][ T622] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 59.409986][ T622] vfs_read+0x26e/0x8c0
[ 59.414122][ T622] ? __cfi_vfs_read+0x10/0x10
[ 59.418795][ T622] ? __kasan_check_write+0x14/0x20
[ 59.423901][ T622] ? mutex_lock+0x8d/0x1a0
[ 59.428322][ T622] ? __cfi_mutex_lock+0x10/0x10
[ 59.433182][ T622] ? __fdget_pos+0x2cd/0x380
[ 59.437750][ T622] ? ksys_read+0x71/0x240
[ 59.442063][ T622] ksys_read+0x140/0x240
[ 59.446307][ T622] ? __cfi_ksys_read+0x10/0x10
[ 59.451074][ T622] ? debug_smp_processor_id+0x17/0x20
[ 59.456430][ T622] __x64_sys_read+0x7b/0x90
[ 59.460929][ T622] x64_sys_call+0x2f/0x9a0
[ 59.465601][ T622] do_syscall_64+0x4c/0xa0
[ 59.469994][ T622] ? clear_bhb_loop+0x30/0x80
[ 59.474657][ T622] ? clear_bhb_loop+0x30/0x80
[ 59.479384][ T622] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 59.485304][ T622] RIP: 0033:0x7fbb4978d5fc
[ 59.489706][ T622] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[ 59.509303][ T622] RSP: 002b:00007fbb4a5b5030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 59.517701][ T622] RAX: ffffffffffffffda RBX: 00007fbb499b6090 RCX: 00007fbb4978d5fc
[ 59.525692][ T622] RDX: 000000000000000f RSI: 00007fbb4a5b50a0 RDI: 0000000000000005
[ 59.533729][ T622] RBP: 00007fbb4a5b5090 R08: 0000000000000000 R09: 0000000000000000
[ 59.541677][ T622] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 59.549625][ T622] R13: 00007fbb499b6128 R14: 00007fbb499b6090 R15: 00007ffe4f2ae278
[ 59.558065][ T622]
[ 59.563817][ T331] device veth1_macvtap left promiscuous mode
[ 59.569855][ T331] device veth0_vlan left promiscuous mode
[ 59.570406][ T480] CFI failure at __traceiter_sched_wakeup_new+0x7d/0xb0 (target: tp_stub_func+0x0/0x10; expected type: 0x389e96a6)
[ 59.587724][ T480] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[ 59.593789][ T480] CPU: 1 PID: 480 Comm: syz-executor Not tainted syzkaller #0
[ 59.601305][ T480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 59.611436][ T480] RIP: 0010:__traceiter_sched_wakeup_new+0x7d/0xb0
[ 59.618009][ T480] Code: 49 8d 7e 08 48 89 f8 48 c1 e8 03 42 80 3c 20 00 74 05 e8 76 7b 69 00 49 8b 7f 08 48 89 de 41 ba 5a 69 61 c7 45 03 55 fc 74 02 <0f> 0b 41 ff d5 49 83 c6 18 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74
[ 59.637676][ T480] RSP: 0018:ffffc90000bc7c00 EFLAGS: 00010817
[ 59.643720][ T480] RAX: 1ffff11021e43506 RBX: ffff888109121440 RCX: ffff88811b2f2880
[ 59.651681][ T480] RDX: 0000000000000000 RSI: ffff888109121440 RDI: ffffffff86f03ec0
[ 59.659649][ T480] RBP: ffffc90000bc7c28 R08: dffffc0000000000 R09: fffffbfff0ee4e86
[ 59.667596][ T480] R10: 000000006ca1d066 R11: 1ffffffff0ee4e85 R12: dffffc0000000000
[ 59.675540][ T480] R13: ffffffff81713c50 R14: ffff88810f21a828 R15: ffff88810f21a828
[ 59.683492][ T480] FS: 000055558dd2f500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 59.692509][ T480] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 59.699082][ T480] CR2: 00007fdace2e56c0 CR3: 0000000113f8b000 CR4: 00000000003506a0
[ 59.707044][ T480] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 59.715041][ T480] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 59.723073][ T480] Call Trace:
[ 59.726333][ T480]
[ 59.729244][ T480] wake_up_new_task+0x951/0x980
[ 59.734073][ T480] kernel_clone+0x41f/0x810
[ 59.738554][ T480] ? __cfi_kernel_clone+0x10/0x10
[ 59.743554][ T480] __x64_sys_clone+0x168/0x1b0
[ 59.748299][ T480] ? __cfi___x64_sys_clone+0x10/0x10
[ 59.753567][ T480] ? fpregs_assert_state_consistent+0xb1/0xe0
[ 59.759608][ T480] x64_sys_call+0x990/0x9a0
[ 59.764085][ T480] do_syscall_64+0x4c/0xa0
[ 59.768473][ T480] ? clear_bhb_loop+0x30/0x80
[ 59.773125][ T480] ? clear_bhb_loop+0x30/0x80
[ 59.777788][ T480] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 59.783658][ T480] RIP: 0033:0x7fdacd585453
[ 59.788066][ T480] Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00
[ 59.807752][ T480] RSP: 002b:00007ffc1c455278 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[ 59.816139][ T480] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdacd585453
[ 59.824086][ T480] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
[ 59.832029][ T480] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001
[ 59.839971][ T480] R10: 000055558dd2f7d0 R11: 0000000000000246 R12: 0000000000000001
[ 59.848116][ T480] R13: 00000000000927c0 R14: 000000000000e5ad R15: 00007ffc1c455410
[ 59.856064][ T480]
[ 59.859077][ T480] Modules linked in:
[ 59.862955][ T480] ---[ end trace 0000000000000000 ]---
[ 59.868383][ T480] RIP: 0010:__traceiter_sched_wakeup_new+0x7d/0xb0
[ 59.874917][ T480] Code: 49 8d 7e 08 48 89 f8 48 c1 e8 03 42 80 3c 20 00 74 05 e8 76 7b 69 00 49 8b 7f 08 48 89 de 41 ba 5a 69 61 c7 45 03 55 fc 74 02 <0f> 0b 41 ff d5 49 83 c6 18 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74
[ 59.894498][ T480] RSP: 0018:ffffc90000bc7c00 EFLAGS: 00010817
[ 59.900541][ T480] RAX: 1ffff11021e43506 RBX: ffff888109121440 RCX: ffff88811b2f2880
[ 59.908486][ T480] RDX: 0000000000000000 RSI: ffff888109121440 RDI: ffffffff86f03ec0
[ 59.916433][ T480] RBP: ffffc90000bc7c28 R08: dffffc0000000000 R09: fffffbfff0ee4e86
[ 59.924462][ T480] R10: 000000006ca1d066 R11: 1ffffffff0ee4e85 R12: dffffc0000000000
[ 59.932406][ T480] R13: ffffffff81713c50 R14: ffff88810f21a828 R15: ffff88810f21a828
[ 59.940455][ T480] FS: 000055558dd2f500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 59.949443][ T480] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 59.956017][ T480] CR2: 00007fdace2e56c0 CR3: 0000000113f8b000 CR4: 00000000003506a0
[ 59.963963][ T480] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 59.971909][ T480] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 59.979856][ T480] Kernel panic - not syncing: Fatal exception
[ 61.088064][ T480] Shutting down cpus with NMI
[ 61.093093][ T480] Kernel Offset: disabled
[ 61.097406][ T480] Rebooting in 86400 seconds..