Warning: Permanently added '10.128.0.192' (ECDSA) to the list of known hosts. [* ] A start job is running for dev-ttyS0.device (16s / 1min 30s)[** ] A start job is running for dev-ttyS0.device (17s / 1min 30s)[*** ] A start job is running for dev-ttyS0.device (18s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (18s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (19s / 1min 30s)[ ***] A start job is running for dev-ttyS0.device (20s / 1min 30s)[ **] A start job is running for dev-ttyS0.device (20s / 1min 30s)[ *] A start job is running for dev-ttyS0.device (21s / 1min 30s)[ **] A start job is running for dev-ttyS0.device (21s / 1min 30s)[ ***] A start job is running for dev-ttyS0.device (22s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (23s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (23s / 1min 30s)[*** ] A start job is running for dev-ttyS0.device (24s / 1min 30s)[** ] A start job is running for dev-ttyS0.device (24s / 1min 30s)[* ] A start job is running for dev-ttyS0.device (25s / 1min 30s)[** ] A start job is running for dev-ttyS0.device (26s / 1min 30s)[*** ] A start job is running for dev-ttyS0.device (26s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (27s / 1min 30s)[ 34.092154][ T22] audit: type=1400 audit(1606536712.028:8): avc: denied { execmem } for pid=355 comm="syz-executor525" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 34.110961][ T365] cgroup1: Unknown subsys name 'perf_event' [ 34.113924][ T363] cgroup1: Unknown subsys name 'perf_event' [ 34.119004][ T364] cgroup1: Unknown subsys name 'perf_event' [ *[ 34.131442][ T366] cgroup1: Unknown subsys name 'perf_event' [0;1;31m*[0[ 34.133946][ T365] cgroup1: Unknown subsys name 'net_cls' [ 34.140443][ T367] cgroup1: Unknown subsys name 'perf_event' ;31m* ] A st[ 34.151817][ T368] cgroup1: Unknown subsys name 'perf_event' art job is runni[ 34.158810][ T363] cgroup1: Unknown subsys name 'net_cls' ng for dev-ttyS0[ 34.159098][ T364] cgroup1: Unknown subsys name 'net_cls' [ 34.168134][ T366] cgroup1: Unknown subsys name 'net_cls' .device (27s / 1[ 34.178869][ T368] cgroup1: Unknown subsys name 'net_cls' min 30s)[ 34.187094][ T367] cgroup1: Unknown subsys name 'net_cls' [ 34.341443][ T368] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.348843][ T368] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.356375][ T368] device bridge_slave_0 entered promiscuous mode [ 34.368372][ T368] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.375436][ T368] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.383234][ T368] device bridge_slave_1 entered promiscuous mode [ 34.420056][ T363] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.427467][ T363] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.435017][ T363] device bridge_slave_0 entered promiscuous mode [ 34.461332][ T364] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.468409][ T364] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.475951][ T364] device bridge_slave_0 entered promiscuous mode [ 34.491676][ T363] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.498928][ T363] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.506179][ T363] device bridge_slave_1 entered promiscuous mode [ 34.513465][ T364] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.520531][ T364] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.528107][ T364] device bridge_slave_1 entered promiscuous mode [ 34.539336][ T367] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.546396][ T367] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.553961][ T367] device bridge_slave_0 entered promiscuous mode [ 34.586873][ T367] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.593913][ T367] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.601456][ T367] device bridge_slave_1 entered promiscuous mode [ 34.611591][ T366] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.619283][ T366] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.626841][ T366] device bridge_slave_0 entered promiscuous mode [ 34.633885][ T366] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.640990][ T366] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.648624][ T366] device bridge_slave_1 entered promiscuous mode [ 34.689223][ T365] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.696330][ T365] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.703886][ T365] device bridge_slave_0 entered promiscuous mode [ 34.718011][ T365] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.725069][ T365] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.732951][ T365] device bridge_slave_1 entered promiscuous mode [ ***] A start job is running for dev-ttyS0.device (28s / 1min 30s)[ 34.905716][ T363] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.912807][ T363] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.920183][ T363] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.927239][ T363] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.940814][ T367] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.947920][ T367] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.955224][ T367] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.962310][ T367] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.980488][ T364] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.987566][ T364] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.994872][ T364] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.001952][ T364] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.030582][ T368] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.037643][ T368] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.044883][ T368] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.051940][ T368] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.072554][ T366] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.079637][ T366] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.086943][ T366] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.093978][ T366] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.116874][ T88] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.124028][ T88] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.132317][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.140032][ T88] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.147256][ T88] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.154439][ T88] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.161701][ T88] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.168967][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.177445][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 35.185713][ T88] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.192996][ T88] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.238508][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 35.247191][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.266223][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 35.277860][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 35.308330][ T67] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.317372][ T67] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.325630][ T67] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.332707][ T67] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.340921][ T67] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 35.349266][ T67] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.356312][ T67] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.363728][ T67] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.372035][ T67] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.379117][ T67] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.386541][ T67] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 35.394825][ T67] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.401926][ T67] bridge0: port 2(bridge_slave_1) entered forwarding state [ **] A start job is running for dev-ttyS0.device (29s / 1min 30s)[ 35.455355][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 35.464476][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 35.473096][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 35.482326][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.490036][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 35.498258][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 35.506453][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 35.514536][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 35.522812][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 35.531356][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.539751][ T370] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.546822][ T370] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.554288][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 35.563189][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 35.571650][ T370] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.578776][ T370] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.586368][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 35.593792][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.601483][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 35.609737][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 35.617984][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 35.626678][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.634821][ T370] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.641900][ T370] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.649592][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 35.657546][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.664970][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 35.673580][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.681942][ T370] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.689011][ T370] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.696671][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 35.704965][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 35.713279][ T370] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.720368][ T370] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.728030][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 35.736296][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 35.744280][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 35.752579][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 35.760790][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 35.789330][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 35.797533][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 35.805471][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 35.814148][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 35.822757][ T88] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.829850][ T88] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.838130][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 35.852114][ T67] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 35.860743][ T67] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 35.868888][ T67] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 35.877105][ T67] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 35.895691][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 35.903814][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 35.912241][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 35.920668][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 35.929073][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 35.937533][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready executing program [ 35.966034][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 35.974362][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 35.983790][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 35.993381][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 36.014039][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 36.016015][ T371] FAULT_INJECTION: forcing a failure. [ 36.016015][ T371] name failslab, interval 1, probability 0, space 0, times 1 [ 36.022625][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 36.034921][ T371] CPU: 1 PID: 371 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 36.044249][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready executing program [ 36.052893][ T371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.052897][ T371] Call Trace: [ 36.052919][ T371] dump_stack+0x1dd/0x24e [ 36.052930][ T371] ? devkmsg_release+0x11c/0x11c [ 36.052937][ T371] ? show_regs_print_info+0x12/0x12 [ 36.052944][ T371] ? kmem_cache_alloc+0x1e0/0x270 [ 36.052952][ T371] ? kmem_cache_create_usercopy+0x145/0x1d0 [ 36.052959][ T371] ? p9_client_create+0x9ff/0xb90 [ 36.052968][ T371] ? v9fs_session_init+0x208/0x1a00 [ 36.052984][ T371] ? legacy_get_tree+0xde/0x170 [ 36.063862][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 36.071013][ T371] ? vfs_get_tree+0x85/0x260 [ 36.071022][ T371] ? do_mount+0x18ab/0x2660 [ 36.071027][ T371] ? ksys_mount+0xc2/0xf0 [ 36.071038][ T371] should_fail+0x6fb/0x860 [ 36.071048][ T371] ? setup_fault_attr+0x3d0/0x3d0 [ 36.071056][ T371] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 36.071071][ T371] ? _raw_spin_lock+0x1b0/0x1b0 [ 36.155932][ T371] ? cache_random_seq_create+0x7f/0x1c0 [ 36.161450][ T371] should_failslab+0x5/0x20 [ 36.165942][ T371] __kmalloc+0x5f/0x2d0 [ 36.170106][ T371] cache_random_seq_create+0x7f/0x1c0 [ 36.175450][ T371] __kmem_cache_create+0x497/0x6f0 [ 36.180536][ T371] ? __should_failslab+0x92/0x150 [ 36.185537][ T371] ? create_cache+0x3b/0x1f0 [ 36.190100][ T371] ? kmem_cache_alloc+0x1e0/0x270 [ 36.195111][ T371] create_cache+0x156/0x1f0 [ 36.199613][ T371] kmem_cache_create_usercopy+0x145/0x1d0 [ 36.205326][ T371] p9_client_create+0x9ff/0xb90 [ 36.210182][ T371] ? p9_parse_header+0x6b0/0x6b0 [ 36.215118][ T371] ? __kasan_kmalloc+0x189/0x1c0 [ 36.220052][ T371] ? __kmalloc_track_caller+0x20e/0x2c0 [ 36.225584][ T371] ? vfs_get_tree+0x85/0x260 [ 36.230152][ T371] v9fs_session_init+0x208/0x1a00 [ 36.235163][ T371] ? v9fs_show_options+0x530/0x530 [ 36.240249][ T371] ? v9fs_mount+0x5c/0x790 [ 36.244642][ T371] ? kmem_cache_alloc_trace+0xc3/0x290 [ 36.250091][ T371] ? legacy_init_fs_context+0x4d/0xc0 [ 36.255438][ T371] v9fs_mount+0x7f/0x790 [ 36.259652][ T371] ? cap_capable+0x23f/0x280 [ 36.264213][ T371] legacy_get_tree+0xde/0x170 [ 36.268873][ T371] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 36.274572][ T371] vfs_get_tree+0x85/0x260 [ 36.278965][ T371] do_mount+0x18ab/0x2660 [ 36.283279][ T371] ? copy_mount_string+0x30/0x30 [ 36.288189][ T371] ? page_fault+0x2f/0x40 [ 36.292493][ T371] ? copy_mount_options+0x1e8/0x320 [ 36.297685][ T371] ? copy_mount_options+0x293/0x320 [ 36.302888][ T371] ksys_mount+0xc2/0xf0 [ 36.307017][ T371] __x64_sys_mount+0xb1/0xc0 [ 36.311579][ T371] do_syscall_64+0xcb/0x150 [ 36.316054][ T371] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 36.321935][ T371] RIP: 0033:0x446359 [ 36.325802][ T371] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 36.345380][ T371] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 36.353781][ T371] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 36.361745][ T371] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 36.369723][ T371] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 36.377685][ T371] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 36.385631][ T371] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 36.397924][ T371] SLUB: Unable to initialize free list for 9p-fcall-cache executing program [ *] A start job is running for dev-ttyS0.device (30s / 1min 30s)[ 36.433849][ T371] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 36.433868][ T372] FAULT_INJECTION: forcing a failure. [ 36.433868][ T372] name failslab, interval 1, probability 0, space 0, times 0 [ 36.445186][ T371] CPU: 1 PID: 371 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 36.463707][ T371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.473783][ T371] Call Trace: [ 36.477092][ T371] dump_stack+0x1dd/0x24e [ 36.481415][ T371] ? devkmsg_release+0x11c/0x11c [ 36.486363][ T371] ? show_regs_print_info+0x12/0x12 [ 36.491548][ T371] ? create_cache+0x1cc/0x1f0 [ 36.496225][ T371] kmem_cache_create_usercopy+0x8c/0x1d0 [ 36.501849][ T371] p9_client_create+0x9ff/0xb90 [ 36.506692][ T371] ? p9_parse_header+0x6b0/0x6b0 [ 36.511620][ T371] ? __kasan_kmalloc+0x189/0x1c0 [ 36.516546][ T371] ? __kmalloc_track_caller+0x20e/0x2c0 [ 36.522092][ T371] ? vfs_get_tree+0x85/0x260 [ 36.526669][ T371] v9fs_session_init+0x208/0x1a00 [ 36.531701][ T371] ? v9fs_show_options+0x530/0x530 [ 36.536800][ T371] ? v9fs_mount+0x5c/0x790 [ 36.541199][ T371] ? kmem_cache_alloc_trace+0xc3/0x290 [ 36.546645][ T371] ? legacy_init_fs_context+0x4d/0xc0 [ 36.552017][ T371] v9fs_mount+0x7f/0x790 [ 36.556247][ T371] ? cap_capable+0x23f/0x280 [ 36.560825][ T371] legacy_get_tree+0xde/0x170 [ 36.565487][ T371] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 36.571206][ T371] vfs_get_tree+0x85/0x260 [ 36.575608][ T371] do_mount+0x18ab/0x2660 [ 36.579940][ T371] ? copy_mount_string+0x30/0x30 [ 36.584946][ T371] ? page_fault+0x2f/0x40 [ 36.589261][ T371] ? copy_mount_options+0x1e8/0x320 [ 36.594441][ T371] ? copy_mount_options+0x293/0x320 [ 36.599622][ T371] ksys_mount+0xc2/0xf0 [ 36.603761][ T371] __x64_sys_mount+0xb1/0xc0 [ 36.608342][ T371] do_syscall_64+0xcb/0x150 [ 36.612854][ T371] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 36.618736][ T371] RIP: 0033:0x446359 [ 36.622633][ T371] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 36.642225][ T371] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 36.650627][ T371] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 36.658578][ T371] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 36.666531][ T371] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 36.674494][ T371] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 36.682447][ T371] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 36.690427][ T372] CPU: 0 PID: 372 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 36.700490][ T372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.710532][ T372] Call Trace: [ 36.713799][ T372] dump_stack+0x1dd/0x24e [ 36.718107][ T372] ? devkmsg_release+0x11c/0x11c [ 36.723019][ T372] ? show_regs_print_info+0x12/0x12 [ 36.728207][ T372] ? kmem_cache_alloc+0x1e0/0x270 [ 36.733204][ T372] ? kmem_cache_create_usercopy+0x145/0x1d0 [ 36.739211][ T372] ? p9_client_create+0x9ff/0xb90 [ 36.744221][ T372] ? v9fs_session_init+0x208/0x1a00 [ 36.749389][ T372] ? legacy_get_tree+0xde/0x170 [ 36.754228][ T372] ? vfs_get_tree+0x85/0x260 [ 36.758794][ T372] ? do_mount+0x18ab/0x2660 [ 36.763269][ T372] ? ksys_mount+0xc2/0xf0 [ 36.767570][ T372] should_fail+0x6fb/0x860 [ 36.771962][ T372] ? setup_fault_attr+0x3d0/0x3d0 [ 36.776977][ T372] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 36.782420][ T372] ? _raw_spin_lock+0x1b0/0x1b0 [ 36.787243][ T372] ? cache_random_seq_create+0x7f/0x1c0 [ 36.792774][ T372] should_failslab+0x5/0x20 [ 36.797267][ T372] __kmalloc+0x5f/0x2d0 [ 36.801404][ T372] cache_random_seq_create+0x7f/0x1c0 [ 36.806756][ T372] __kmem_cache_create+0x497/0x6f0 [ 36.811852][ T372] ? __should_failslab+0x92/0x150 [ 36.816865][ T372] ? create_cache+0x3b/0x1f0 [ 36.821444][ T372] ? kmem_cache_alloc+0x1e0/0x270 [ 36.826454][ T372] create_cache+0x156/0x1f0 [ 36.830953][ T372] kmem_cache_create_usercopy+0x145/0x1d0 [ 36.836666][ T372] p9_client_create+0x9ff/0xb90 [ 36.841497][ T372] ? p9_parse_header+0x6b0/0x6b0 [ 36.846436][ T372] ? __kasan_kmalloc+0x189/0x1c0 [ 36.851360][ T372] ? __kmalloc_track_caller+0x20e/0x2c0 [ 36.856889][ T372] ? vfs_get_tree+0x85/0x260 [ 36.861453][ T372] v9fs_session_init+0x208/0x1a00 [ 36.866464][ T372] ? v9fs_show_options+0x530/0x530 [ 36.871554][ T372] ? v9fs_mount+0x5c/0x790 [ 36.875996][ T372] ? kmem_cache_alloc_trace+0xc3/0x290 [ 36.881427][ T372] ? legacy_init_fs_context+0x4d/0xc0 [ 36.886795][ T372] v9fs_mount+0x7f/0x790 [ 36.891022][ T372] ? cap_capable+0x23f/0x280 [ 36.895587][ T372] legacy_get_tree+0xde/0x170 [ 36.900235][ T372] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 36.905939][ T372] vfs_get_tree+0x85/0x260 [ 36.910327][ T372] do_mount+0x18ab/0x2660 [ 36.914632][ T372] ? copy_mount_string+0x30/0x30 [ 36.919539][ T372] ? page_fault+0x2f/0x40 [ 36.923844][ T372] ? copy_mount_options+0x1e8/0x320 [ 36.929015][ T372] ? copy_mount_options+0x293/0x320 [ 36.934185][ T372] ksys_mount+0xc2/0xf0 [ 36.938330][ T372] __x64_sys_mount+0xb1/0xc0 [ 36.942909][ T372] do_syscall_64+0xcb/0x150 [ 36.947402][ T372] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 36.953290][ T372] RIP: 0033:0x446359 [ 36.957161][ T372] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 36.976775][ T372] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 36.985160][ T372] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 36.993107][ T372] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 37.001052][ T372] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 37.009013][ T372] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 37.016979][ T372] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 37.035435][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.038564][ T372] SLUB: Unable to initialize free list for 9p-fcall-cache [ 37.043906][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.051489][ T372] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 37.058378][ T373] FAULT_INJECTION: forcing a failure. [ 37.058378][ T373] name failslab, interval 1, probability 0, space 0, times 0 [ 37.066223][ T372] CPU: 1 PID: 372 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 37.085418][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.088321][ T372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.088324][ T372] Call Trace: [ 37.088340][ T372] dump_stack+0x1dd/0x24e [ 37.088357][ T372] ? devkmsg_release+0x11c/0x11c [ 37.108596][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 37.109555][ T372] ? show_regs_print_info+0x12/0x12 [ 37.109571][ T372] ? create_cache+0x1cc/0x1f0 [ 37.115438][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.118825][ T372] kmem_cache_create_usercopy+0x8c/0x1d0 [ 37.118841][ T372] p9_client_create+0x9ff/0xb90 [ 37.139053][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 37.144663][ T372] ? p9_parse_header+0x6b0/0x6b0 [ 37.144679][ T372] ? __kasan_kmalloc+0x189/0x1c0 [ 37.162728][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.163148][ T372] ? __kmalloc_track_caller+0x20e/0x2c0 [ 37.175272][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 37.181047][ T372] ? vfs_get_tree+0x85/0x260 [ 37.181060][ T372] v9fs_session_init+0x208/0x1a00 [ 37.181079][ T372] ? v9fs_show_options+0x530/0x530 [ 37.198968][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.199208][ T372] ? v9fs_mount+0x5c/0x790 [ 37.210998][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 37.217331][ T372] ? kmem_cache_alloc_trace+0xc3/0x290 [ 37.217339][ T372] ? legacy_init_fs_context+0x4d/0xc0 [ 37.217348][ T372] v9fs_mount+0x7f/0x790 [ 37.217356][ T372] ? cap_capable+0x23f/0x280 [ 37.217369][ T372] legacy_get_tree+0xde/0x170 [ 37.228650][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.229368][ T372] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 37.229381][ T372] vfs_get_tree+0x85/0x260 executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 37.242882][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 37.244839][ T372] do_mount+0x18ab/0x2660 [ 37.244849][ T372] ? copy_mount_string+0x30/0x30 [ 37.244858][ T372] ? page_fault+0x2f/0x40 [ 37.244871][ T372] ? copy_mount_options+0x1e8/0x320 [ 37.251910][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.254092][ T372] ? copy_mount_options+0x293/0x320 [ 37.254101][ T372] ksys_mount+0xc2/0xf0 [ 37.254113][ T372] __x64_sys_mount+0xb1/0xc0 [ 37.273188][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 37.279948][ T372] do_syscall_64+0xcb/0x150 [ 37.279958][ T372] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 37.279967][ T372] RIP: 0033:0x446359 [ 37.279975][ T372] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 37.279979][ T372] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 37.279987][ T372] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 37.279992][ T372] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 37.279997][ T372] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 37.280002][ T372] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 37.280006][ T372] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 37.299744][ T373] CPU: 1 PID: 373 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 executing program [ 37.307644][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.312127][ T373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.312131][ T373] Call Trace: [ 37.312145][ T373] dump_stack+0x1dd/0x24e [ 37.312163][ T373] ? devkmsg_release+0x11c/0x11c [ 37.317412][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 37.320855][ T373] ? show_regs_print_info+0x12/0x12 [ 37.320864][ T373] ? kmem_cache_alloc+0x1e0/0x270 [ 37.320879][ T373] ? kmem_cache_create_usercopy+0x145/0x1d0 [ 37.329263][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.333310][ T373] ? p9_client_create+0x9ff/0xb90 [ 37.333318][ T373] ? v9fs_session_init+0x208/0x1a00 [ 37.333332][ T373] ? legacy_get_tree+0xde/0x170 [ 37.339834][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 37.343068][ T373] ? vfs_get_tree+0x85/0x260 [ 37.343082][ T373] ? do_mount+0x18ab/0x2660 [ 37.343094][ T373] ? ksys_mount+0xc2/0xf0 [ 37.363312][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.371097][ T373] should_fail+0x6fb/0x860 [ 37.371106][ T373] ? setup_fault_attr+0x3d0/0x3d0 [ 37.371114][ T373] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 37.371122][ T373] ? _raw_spin_lock+0x1b0/0x1b0 [ 37.371137][ T373] ? cache_random_seq_create+0x7f/0x1c0 [ 37.379485][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 37.387065][ T373] should_failslab+0x5/0x20 [ 37.387085][ T373] __kmalloc+0x5f/0x2d0 [ 37.387096][ T373] cache_random_seq_create+0x7f/0x1c0 [ 37.387110][ T373] __kmem_cache_create+0x497/0x6f0 [ 37.395526][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.403033][ T373] ? __should_failslab+0x92/0x150 [ 37.403043][ T373] ? create_cache+0x3b/0x1f0 [ 37.403058][ T373] ? kmem_cache_alloc+0x1e0/0x270 [ 37.603260][ T373] create_cache+0x156/0x1f0 [ 37.607776][ T373] kmem_cache_create_usercopy+0x145/0x1d0 [ 37.613468][ T373] p9_client_create+0x9ff/0xb90 [ 37.618307][ T373] ? p9_parse_header+0x6b0/0x6b0 [ 37.618318][ T373] ? __kasan_kmalloc+0x189/0x1c0 [ 37.618332][ T373] ? __kmalloc_track_caller+0x20e/0x2c0 [ 37.633698][ T373] ? vfs_get_tree+0x85/0x260 [ 37.638284][ T373] v9fs_session_init+0x208/0x1a00 [ 37.643300][ T373] ? v9fs_show_options+0x530/0x530 [ 37.648442][ T373] ? v9fs_mount+0x5c/0x790 [ 37.652852][ T373] ? v9fs_mount+0x5c/0x790 [ 37.657260][ T373] ? kmem_cache_alloc_trace+0xc3/0x290 [ 37.662752][ T373] v9fs_mount+0x7f/0x790 [ 37.667040][ T373] ? cap_capable+0x23f/0x280 [ 37.671654][ T373] legacy_get_tree+0xde/0x170 [ 37.676327][ T373] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 37.682046][ T373] vfs_get_tree+0x85/0x260 [ 37.686480][ T373] do_mount+0x18ab/0x2660 [ 37.690802][ T373] ? copy_mount_string+0x30/0x30 [ 37.695727][ T373] ? page_fault+0x2f/0x40 [ 37.700143][ T373] ? copy_mount_options+0x1e8/0x320 [ 37.705329][ T373] ? copy_mount_options+0x293/0x320 [ 37.710517][ T373] ksys_mount+0xc2/0xf0 [ 37.714662][ T373] __x64_sys_mount+0xb1/0xc0 [ 37.719243][ T373] do_syscall_64+0xcb/0x150 [ [ 37.723732][ T373] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 37.730986][ T373] RIP: 0033:0x446359 **][ 37.734900][ T373] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 37.755900][ T373] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 37.764332][ T373] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 A start job is [ 37.772298][ T373] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 37.781647][ T373] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 37.789622][ T373] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 37.797595][ T373] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 running for dev-ttyS0.device (31s / 1min 30s)[ 37.814326][ T373] SLUB: Unable to initialize free list for 9p-fcall-cache [ 37.825446][ T374] FAULT_INJECTION: forcing a failure. [ 37.825446][ T374] name failslab, interval 1, probability 0, space 0, times 0 [ 37.825573][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 37.840212][ T373] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 37.849441][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.853427][ T373] CPU: 1 PID: 373 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 37.862060][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 37.870777][ T373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.870780][ T373] Call Trace: [ 37.870798][ T373] dump_stack+0x1dd/0x24e [ 37.870809][ T373] ? devkmsg_release+0x11c/0x11c [ 37.870816][ T373] ? show_regs_print_info+0x12/0x12 [ 37.870825][ T373] ? create_cache+0x1cc/0x1f0 [ 37.870833][ T373] kmem_cache_create_usercopy+0x8c/0x1d0 [ 37.870843][ T373] p9_client_create+0x9ff/0xb90 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 37.870854][ T373] ? p9_parse_header+0x6b0/0x6b0 [ 37.870864][ T373] ? __kasan_kmalloc+0x189/0x1c0 [ 37.870874][ T373] ? __kmalloc_track_caller+0x20e/0x2c0 [ 37.870881][ T373] ? vfs_get_tree+0x85/0x260 [ 37.870892][ T373] v9fs_session_init+0x208/0x1a00 [ 37.870907][ T373] ? v9fs_show_options+0x530/0x530 [ 37.883087][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.888866][ T373] ? v9fs_mount+0x5c/0x790 [ 37.888874][ T373] ? v9fs_mount+0x5c/0x790 [ 37.888884][ T373] ? kmem_cache_alloc_trace+0xc3/0x290 [ 37.888892][ T373] v9fs_mount+0x7f/0x790 [ 37.888900][ T373] ? cap_capable+0x23f/0x280 [ 37.888915][ T373] legacy_get_tree+0xde/0x170 [ 37.894431][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 37.896492][ T373] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 37.896501][ T373] vfs_get_tree+0x85/0x260 [ 37.896511][ T373] do_mount+0x18ab/0x2660 [ 37.896521][ T373] ? copy_mount_string+0x30/0x30 [ 37.896535][ T373] ? page_fault+0x2f/0x40 [ 37.903678][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.906640][ T373] ? copy_mount_options+0x1e8/0x320 [ 37.906648][ T373] ? copy_mount_options+0x293/0x320 [ 37.906656][ T373] ksys_mount+0xc2/0xf0 [ 37.906665][ T373] __x64_sys_mount+0xb1/0xc0 [ 37.906679][ T373] do_syscall_64+0xcb/0x150 [ 37.913278][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 37.916959][ T373] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 37.916968][ T373] RIP: 0033:0x446359 [ 37.916976][ T373] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 37.916980][ T373] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 37.916988][ T373] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 37.916999][ T373] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 37.924060][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.926735][ T373] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 37.926741][ T373] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 37.926745][ T373] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 37.928078][ T374] CPU: 1 PID: 374 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 37.932535][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 37.937224][ T374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.937227][ T374] Call Trace: [ 37.937247][ T374] dump_stack+0x1dd/0x24e [ 37.937259][ T374] ? devkmsg_release+0x11c/0x11c [ 37.937266][ T374] ? show_regs_print_info+0x12/0x12 [ 37.937275][ T374] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 37.937285][ T374] should_fail+0x6fb/0x860 [ 37.937294][ T374] ? setup_fault_attr+0x3d0/0x3d0 [ 37.937303][ T374] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 37.937312][ T374] ? __kmem_cache_create+0x180/0x6f0 [ 37.937321][ T374] should_failslab+0x5/0x20 [ 37.937329][ T374] kmem_cache_alloc+0x36/0x270 [ 37.937337][ T374] ? cache_random_seq_create+0x188/0x1c0 [ 37.937345][ T374] __kmem_cache_create+0x180/0x6f0 [ 37.937352][ T374] ? __should_failslab+0x92/0x150 [ 37.937359][ T374] ? create_cache+0x3b/0x1f0 [ 37.937366][ T374] ? kmem_cache_alloc+0x1e0/0x270 [ 37.937374][ T374] create_cache+0x156/0x1f0 [ 37.937384][ T374] kmem_cache_create_usercopy+0x145/0x1d0 [ 37.937394][ T374] p9_client_create+0x9ff/0xb90 [ 37.937405][ T374] ? p9_parse_header+0x6b0/0x6b0 [ 37.937414][ T374] ? __kasan_kmalloc+0x189/0x1c0 [ 37.937422][ T374] ? __kmalloc_track_caller+0x20e/0x2c0 [ 37.937429][ T374] ? vfs_get_tree+0x85/0x260 [ 37.937438][ T374] v9fs_session_init+0x208/0x1a00 [ 37.937450][ T374] ? v9fs_show_options+0x530/0x530 [ 37.937461][ T374] ? v9fs_mount+0x5c/0x790 [ 37.937469][ T374] ? kmem_cache_alloc_trace+0xc3/0x290 [ 37.937476][ T374] ? legacy_init_fs_context+0x4d/0xc0 [ 37.937484][ T374] v9fs_mount+0x7f/0x790 [ 37.937498][ T374] ? cap_capable+0x23f/0x280 [ 37.942997][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.947077][ T374] legacy_get_tree+0xde/0x170 [ 37.947087][ T374] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 37.947094][ T374] vfs_get_tree+0x85/0x260 [ 37.947103][ T374] do_mount+0x18ab/0x2660 [ 37.947117][ T374] ? copy_mount_string+0x30/0x30 [ 38.352031][ T374] ? page_fault+0x2f/0x40 [ 38.356332][ T374] ? copy_mount_options+0x1e8/0x320 [ 38.361497][ T374] ? copy_mount_options+0x293/0x320 [ 38.366667][ T374] ksys_mount+0xc2/0xf0 [ 38.370802][ T374] __x64_sys_mount+0xb1/0xc0 [ 38.375364][ T374] do_syscall_64+0xcb/0x150 [ 38.379839][ T374] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.385701][ T374] RIP: 0033:0x446359 [ 38.389574][ T374] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 38.409171][ T374] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 38.409180][ T374] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 38.409184][ T374] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 38.409197][ T374] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 38.441458][ T374] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 38.449414][ T374] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 38.463123][ T376] FAULT_INJECTION: forcing a failure. [ 38.463123][ T376] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 38.475821][ T374] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 38.475868][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 38.482973][ T376] CPU: 1 PID: 376 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 38.500953][ T376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.510989][ T376] Call Trace: [ 38.514269][ T376] dump_stack+0x1dd/0x24e [ 38.517461][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.518591][ T376] ? devkmsg_release+0x11c/0x11c [ 38.518600][ T376] ? show_regs_print_info+0x12/0x12 [ 38.518608][ T376] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 38.518623][ T376] should_fail+0x6fb/0x860 [ 38.529886][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [[ 38.531590][ T376] ? setup_fault_attr+0x3d0/0x3d0 [ 38.531600][ T376] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 38.531615][ T376] ? __kmem_cache_create+0x180/0x6f0 [ 38.547557][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.555060][ T376] should_failslab+0x5/0x20 [ 38.555071][ T376] kmem_cache_alloc+0x36/0x270 [ 38.555079][ T376] ? cache_random_seq_create+0x188/0x1c0 [ 38.555086][ T376] __kmem_cache_create+0x180/0x6f0 [ 38.555094][ T376] ? __should_failslab+0x92/0x150 [ 38.555101][ T376] ? create_cache+0x3b/0x1f0 [ 38.555107][ T376] ? kmem_cache_alloc+0x1e0/0x270 [ 38.555115][ T376] create_cache+0x156/0x1f0 [ 38.555122][ T376] kmem_cache_create_usercopy+0x145/0x1d0 [ 38.555132][ T376] p9_client_create+0x9ff/0xb90 [ 38.555141][ T376] ? p9_parse_header+0x6b0/0x6b0 [ 38.555149][ T376] ? __kasan_kmalloc+0x189/0x1c0 [ 38.555157][ T376] ? __kmalloc_track_caller+0x20e/0x2c0 [ 38.555163][ T376] ? vfs_get_tree+0x85/0x260 [ 38.555173][ T376] v9fs_session_init+0x208/0x1a00 [ 38.555185][ T376] ? v9fs_show_options+0x530/0x530 [ 38.555201][ T376] ? v9fs_mount+0x5c/0x790 *[0;1[ 38.663438][ T376] ? kmem_cache_alloc_trace+0xc3/0x290 [ 38.670275][ T376] ? legacy_init_fs_context+0x4d/0xc0 ;31m*[ 38.675635][ T376] v9fs_mount+0x7f/0x790 [ 38.681245][ T376] ? cap_capable+0x23f/0x280 *] A start j[ 38.685855][ T376] legacy_get_tree+0xde/0x170 [ 38.691923][ T376] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 ob is running fo[ 38.697637][ T376] vfs_get_tree+0x85/0x260 [ 38.703432][ T376] do_mount+0x18ab/0x2660 r dev-ttyS0.devi[ 38.707756][ T376] ? copy_mount_string+0x30/0x30 [ 38.714055][ T376] ? page_fault+0x2f/0x40 ce (32s / 1min 3[ 38.718386][ T376] ? copy_mount_options+0x1e8/0x320 [ 38.724954][ T376] ? copy_mount_options+0x293/0x320 0s)[ 38.730145][ T376] ksys_mount+0xc2/0xf0 [ 38.734568][ T376] __x64_sys_mount+0xb1/0xc0 [ 38.739180][ T376] do_syscall_64+0xcb/0x150 [ 38.743676][ T376] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.749560][ T376] RIP: 0033:0x446359 [ 38.753441][ T376] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 executing program [ 38.773031][ T376] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 38.781427][ T376] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 38.789389][ T376] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 38.797353][ T376] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 38.805313][ T376] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 38.813269][ T376] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 38.821254][ T374] CPU: 0 PID: 374 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 38.825877][ T376] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 38.831311][ T374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.831315][ T374] Call Trace: [ 38.831329][ T374] dump_stack+0x1dd/0x24e [ 38.831346][ T374] ? devkmsg_release+0x11c/0x11c [ 38.860964][ T374] ? show_regs_print_info+0x12/0x12 [ 38.866147][ T374] ? create_cache+0x1cc/0x1f0 [ 38.870805][ T374] kmem_cache_create_usercopy+0x8c/0x1d0 [ 38.876422][ T374] p9_client_create+0x9ff/0xb90 [ 38.881256][ T374] ? p9_parse_header+0x6b0/0x6b0 [ 38.886178][ T374] ? __kasan_kmalloc+0x189/0x1c0 [ 38.891103][ T374] ? __kmalloc_track_caller+0x20e/0x2c0 [ 38.896630][ T374] ? vfs_get_tree+0x85/0x260 [ 38.901206][ T374] v9fs_session_init+0x208/0x1a00 [ 38.906233][ T374] ? v9fs_show_options+0x530/0x530 [ 38.911337][ T374] ? v9fs_mount+0x5c/0x790 [ 38.914337][ T375] FAULT_INJECTION: forcing a failure. [ 38.914337][ T375] name failslab, interval 1, probability 0, space 0, times 0 [ 38.915740][ T374] ? kmem_cache_alloc_trace+0xc3/0x290 [ 38.915757][ T374] ? legacy_init_fs_context+0x4d/0xc0 [ 38.939136][ T374] v9fs_mount+0x7f/0x790 [ 38.943367][ T374] ? cap_capable+0x23f/0x280 [ 38.947971][ T374] legacy_get_tree+0xde/0x170 [ 38.952638][ T374] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 38.958344][ T374] vfs_get_tree+0x85/0x260 [ 38.962751][ T374] do_mount+0x18ab/0x2660 [ 38.967068][ T374] ? copy_mount_string+0x30/0x30 [ 38.972019][ T374] ? page_fault+0x2f/0x40 [ 38.976340][ T374] ? copy_mount_options+0x1e8/0x320 [ 38.981541][ T374] ? copy_mount_options+0x293/0x320 [ 38.986721][ T374] ksys_mount+0xc2/0xf0 [ 38.990879][ T374] __x64_sys_mount+0xb1/0xc0 [ 38.995451][ T374] do_syscall_64+0xcb/0x150 [ 38.999939][ T374] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.005820][ T374] RIP: 0033:0x446359 [ 39.009696][ T374] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 39.029294][ T374] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 39.037696][ T374] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 39.045677][ T374] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 39.053644][ T374] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 39.061596][ T374] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 39.069549][ T374] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 39.077518][ T375] CPU: 1 PID: 375 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 39.087584][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.097631][ T375] Call Trace: [ 39.100916][ T375] dump_stack+0x1dd/0x24e [ 39.105243][ T375] ? devkmsg_release+0x11c/0x11c [ 39.110166][ T375] ? show_regs_print_info+0x12/0x12 [ 39.115349][ T375] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 39.120791][ T375] should_fail+0x6fb/0x860 [ 39.125199][ T375] ? setup_fault_attr+0x3d0/0x3d0 [ 39.130217][ T375] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 39.136009][ T375] ? __kmem_cache_create+0x180/0x6f0 [ 39.141367][ T375] should_failslab+0x5/0x20 [ 39.145855][ T375] kmem_cache_alloc+0x36/0x270 [ 39.150613][ T375] ? cache_random_seq_create+0x188/0x1c0 [ 39.156269][ T375] __kmem_cache_create+0x180/0x6f0 [ 39.161361][ T375] ? __should_failslab+0x92/0x150 [ 39.166367][ T375] ? create_cache+0x3b/0x1f0 [ 39.170940][ T375] ? kmem_cache_alloc+0x1e0/0x270 [ 39.175957][ T375] create_cache+0x156/0x1f0 [ 39.180449][ T375] kmem_cache_create_usercopy+0x145/0x1d0 [ 39.186155][ T375] p9_client_create+0x9ff/0xb90 [ 39.190992][ T375] ? p9_parse_header+0x6b0/0x6b0 [ 39.195914][ T375] ? __kasan_kmalloc+0x189/0x1c0 [ 39.200836][ T375] ? __kmalloc_track_caller+0x20e/0x2c0 [ 39.206361][ T375] ? vfs_get_tree+0x85/0x260 [ 39.210950][ T375] v9fs_session_init+0x208/0x1a00 [ 39.215962][ T375] ? v9fs_show_options+0x530/0x530 [ 39.221077][ T375] ? v9fs_mount+0x5c/0x790 [ 39.225489][ T375] ? kmem_cache_alloc_trace+0xc3/0x290 [ 39.230928][ T375] ? legacy_init_fs_context+0x4d/0xc0 [ 39.236281][ T375] v9fs_mount+0x7f/0x790 [ 39.240506][ T375] ? cap_capable+0x23f/0x280 [ 39.245078][ T375] legacy_get_tree+0xde/0x170 [ 39.249740][ T375] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 39.255446][ T375] vfs_get_tree+0x85/0x260 [ 39.259884][ T375] do_mount+0x18ab/0x2660 [ 39.264199][ T375] ? copy_mount_string+0x30/0x30 [ 39.269138][ T375] ? page_fault+0x2f/0x40 [ 39.273460][ T375] ? copy_mount_options+0x1e8/0x320 [ 39.278646][ T375] ? copy_mount_options+0x293/0x320 [ 39.283828][ T375] ksys_mount+0xc2/0xf0 [ 39.287985][ T375] __x64_sys_mount+0xb1/0xc0 [ 39.292564][ T375] do_syscall_64+0xcb/0x150 [ 39.297055][ T375] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.302932][ T375] RIP: 0033:0x446359 [ 39.306827][ T375] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 39.326455][ T375] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 39.326474][ T375] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 39.343114][ T375] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 39.351111][ T375] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 39.359090][ T375] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 39.367104][ T375] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 39.378509][ T376] CPU: 0 PID: 376 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 39.388606][ T376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.392105][ T375] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 39.398652][ T376] Call Trace: [ 39.398669][ T376] dump_stack+0x1dd/0x24e [ 39.398680][ T376] ? devkmsg_release+0x11c/0x11c [ 39.398687][ T376] ? show_regs_print_info+0x12/0x12 [ 39.398703][ T376] ? create_cache+0x1cc/0x1f0 [ 39.428144][ T376] kmem_cache_create_usercopy+0x8c/0x1d0 [ 39.433785][ T376] p9_client_create+0x9ff/0xb90 [ 39.438627][ T376] ? p9_parse_header+0x6b0/0x6b0 [ 39.443568][ T376] ? __kasan_kmalloc+0x189/0x1c0 [ 39.448505][ T376] ? __kmalloc_track_caller+0x20e/0x2c0 [ 39.454041][ T376] ? vfs_get_tree+0x85/0x260 [ 39.458620][ T376] v9fs_session_init+0x208/0x1a00 [ 39.463646][ T376] ? v9fs_show_options+0x530/0x530 [ 39.468746][ T376] ? v9fs_mount+0x5c/0x790 [ 39.473153][ T376] ? kmem_cache_alloc_trace+0xc3/0x290 [ 39.478597][ T376] ? legacy_init_fs_context+0x4d/0xc0 [ 39.483950][ T376] v9fs_mount+0x7f/0x790 [ 39.488198][ T376] ? cap_capable+0x23f/0x280 [ 39.492827][ T376] legacy_get_tree+0xde/0x170 [ 39.497493][ T376] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 39.503206][ T376] vfs_get_tree+0x85/0x260 [ 39.507614][ T376] do_mount+0x18ab/0x2660 [ 39.511936][ T376] ? copy_mount_string+0x30/0x30 [ 39.516884][ T376] ? page_fault+0x2f/0x40 [ 39.521281][ T376] ? copy_mount_options+0x1e8/0x320 [ 39.526479][ T376] ? copy_mount_options+0x293/0x320 [ 39.531685][ T376] ksys_mount+0xc2/0xf0 [ 39.535859][ T376] __x64_sys_mount+0xb1/0xc0 [ 39.540440][ T376] do_syscall_64+0xcb/0x150 [ 39.544940][ T376] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.550846][ T376] RIP: 0033:0x446359 [ 39.554735][ T376] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 39.555944][ T380] FAULT_INJECTION: forcing a failure. executing program [ 39.555944][ T380] name failslab, interval 1, probability 0, space 0, times 0 [ *[0;1[ 39.574342][ T376] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 ;31m*[ 39.574351][ T376] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 * ] A start [ 39.574355][ T376] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 job is running f[ 39.574359][ T376] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory or dev-ttyS0.dev[ 39.574363][ T376] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff ice (33s / 1min [ 39.574366][ T376] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 30s)[ 39.645012][ T375] CPU: 0 PID: 375 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 39.655105][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.665143][ T375] Call Trace: [ 39.668434][ T375] dump_stack+0x1dd/0x24e [ 39.672749][ T375] ? devkmsg_release+0x11c/0x11c [ 39.677700][ T375] ? show_regs_print_info+0x12/0x12 [ 39.682887][ T375] ? create_cache+0x1cc/0x1f0 [ 39.687547][ T375] kmem_cache_create_usercopy+0x8c/0x1d0 [ 39.693163][ T375] p9_client_create+0x9ff/0xb90 [ 39.697998][ T375] ? p9_parse_header+0x6b0/0x6b0 [ 39.702915][ T375] ? __kasan_kmalloc+0x189/0x1c0 [ 39.707833][ T375] ? __kmalloc_track_caller+0x20e/0x2c0 [ 39.713356][ T375] ? vfs_get_tree+0x85/0x260 [ 39.717949][ T375] v9fs_session_init+0x208/0x1a00 [ 39.722957][ T375] ? v9fs_show_options+0x530/0x530 [ 39.728051][ T375] ? v9fs_mount+0x5c/0x790 [ 39.732455][ T375] ? kmem_cache_alloc_trace+0xc3/0x290 [ 39.737900][ T375] ? legacy_init_fs_context+0x4d/0xc0 [ 39.743255][ T375] v9fs_mount+0x7f/0x790 [ 39.747479][ T375] ? cap_capable+0x23f/0x280 [ 39.752049][ T375] legacy_get_tree+0xde/0x170 [ 39.756709][ T375] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 39.762414][ T375] vfs_get_tree+0x85/0x260 [ 39.766817][ T375] do_mount+0x18ab/0x2660 [ 39.771133][ T375] ? copy_mount_string+0x30/0x30 [ 39.776051][ T375] ? page_fault+0x2f/0x40 [ 39.780376][ T375] ? copy_mount_options+0x1e8/0x320 [ 39.785555][ T375] ? copy_mount_options+0x293/0x320 [ 39.790751][ T375] ksys_mount+0xc2/0xf0 [ 39.794889][ T375] __x64_sys_mount+0xb1/0xc0 [ 39.799464][ T375] do_syscall_64+0xcb/0x150 [ 39.803951][ T375] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.809837][ T375] RIP: 0033:0x446359 [ 39.813714][ T375] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 39.833308][ T375] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 39.841730][ T375] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 39.849689][ T375] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 39.857658][ T375] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 39.865631][ T375] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 39.873594][ T375] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program executing program [ 39.881649][ T380] CPU: 1 PID: 380 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 39.891703][ T380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.901751][ T380] Call Trace: [ 39.905032][ T380] dump_stack+0x1dd/0x24e [ 39.909343][ T380] ? devkmsg_release+0x11c/0x11c [ 39.914260][ T380] ? show_regs_print_info+0x12/0x12 [ 39.919428][ T380] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 39.924864][ T380] should_fail+0x6fb/0x860 [ 39.929274][ T380] ? setup_fault_attr+0x3d0/0x3d0 [ 39.934300][ T380] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 39.940076][ T380] ? __kmem_cache_create+0x180/0x6f0 [ 39.945339][ T380] should_failslab+0x5/0x20 [ 39.949822][ T380] kmem_cache_alloc+0x36/0x270 [ 39.954562][ T380] ? cache_random_seq_create+0x188/0x1c0 [ 39.960191][ T380] __kmem_cache_create+0x180/0x6f0 [ 39.965296][ T380] ? __should_failslab+0x92/0x150 [ 39.970293][ T380] ? create_cache+0x3b/0x1f0 [ 39.974854][ T380] ? kmem_cache_alloc+0x1e0/0x270 [ 39.979887][ T380] create_cache+0x156/0x1f0 [ 39.984380][ T380] kmem_cache_create_usercopy+0x145/0x1d0 [ 39.990082][ T380] p9_client_create+0x9ff/0xb90 [ 39.994916][ T380] ? p9_parse_header+0x6b0/0x6b0 [ 39.999825][ T380] ? __kasan_kmalloc+0x189/0x1c0 [ 40.004743][ T380] ? __kmalloc_track_caller+0x20e/0x2c0 [ 40.010257][ T380] ? vfs_get_tree+0x85/0x260 [ 40.014835][ T380] v9fs_session_init+0x208/0x1a00 [ 40.019835][ T380] ? v9fs_show_options+0x530/0x530 [ 40.024924][ T380] ? v9fs_mount+0x5c/0x790 [ 40.029328][ T380] ? kmem_cache_alloc_trace+0xc3/0x290 [ 40.034755][ T380] ? legacy_init_fs_context+0x4d/0xc0 [ 40.040114][ T380] v9fs_mount+0x7f/0x790 [ 40.044346][ T380] ? cap_capable+0x23f/0x280 [ 40.048926][ T380] legacy_get_tree+0xde/0x170 [ 40.053578][ T380] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 40.059292][ T380] vfs_get_tree+0x85/0x260 [ 40.063696][ T380] do_mount+0x18ab/0x2660 [ 40.068003][ T380] ? copy_mount_string+0x30/0x30 [ 40.072953][ T380] ? page_fault+0x2f/0x40 [ 40.077263][ T380] ? copy_mount_options+0x1e8/0x320 [ 40.082473][ T380] ? copy_mount_options+0x293/0x320 [ 40.087638][ T380] ksys_mount+0xc2/0xf0 [ 40.091815][ T380] __x64_sys_mount+0xb1/0xc0 [ 40.096378][ T380] do_syscall_64+0xcb/0x150 [ 40.100856][ T380] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.106724][ T380] RIP: 0033:0x446359 [ 40.110605][ T380] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 40.130197][ T380] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 40.138577][ T380] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 40.146532][ T380] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 40.154473][ T380] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 40.162417][ T380] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 40.170374][ T380] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 40.181328][ T380] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 40.181364][ T377] FAULT_INJECTION: forcing a failure. [ 40.181364][ T377] name failslab, interval 1, probability 0, space 0, times 0 [ 40.188464][ T380] CPU: 1 PID: 380 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 40.188468][ T380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.188471][ T380] Call Trace: [ 40.188484][ T380] dump_stack+0x1dd/0x24e [ 40.188495][ T380] ? devkmsg_release+0x11c/0x11c [ 40.188502][ T380] ? show_regs_print_info+0x12/0x12 [ 40.188513][ T380] ? create_cache+0x1cc/0x1f0 [ 40.188523][ T380] kmem_cache_create_usercopy+0x8c/0x1d0 [ 40.188532][ T380] p9_client_create+0x9ff/0xb90 [ 40.188542][ T380] ? p9_parse_header+0x6b0/0x6b0 [ 40.188552][ T380] ? __kasan_kmalloc+0x189/0x1c0 [ 40.188561][ T380] ? __kmalloc_track_caller+0x20e/0x2c0 [ 40.188567][ T380] ? vfs_get_tree+0x85/0x260 [ 40.188577][ T380] v9fs_session_init+0x208/0x1a00 [ 40.188588][ T380] ? v9fs_show_options+0x530/0x530 [ 40.188599][ T380] ? v9fs_mount+0x5c/0x790 [ 40.188607][ T380] ? kmem_cache_alloc_trace+0xc3/0x290 [ 40.188616][ T380] ? legacy_init_fs_context+0x4d/0xc0 [ 40.188625][ T380] v9fs_mount+0x7f/0x790 [ 40.188632][ T380] ? cap_capable+0x23f/0x280 [ 40.188640][ T380] legacy_get_tree+0xde/0x170 [ 40.188649][ T380] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 40.188657][ T380] vfs_get_tree+0x85/0x260 [ 40.188666][ T380] do_mount+0x18ab/0x2660 [ 40.188676][ T380] ? copy_mount_string+0x30/0x30 [ 40.188685][ T380] ? page_fault+0x2f/0x40 [ 40.188694][ T380] ? copy_mount_options+0x1e8/0x320 [ 40.188702][ T380] ? copy_mount_options+0x293/0x320 [ 40.188710][ T380] ksys_mount+0xc2/0xf0 [ 40.188719][ T380] __x64_sys_mount+0xb1/0xc0 [ 40.188728][ T380] do_syscall_64+0xcb/0x150 [ 40.188737][ T380] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.188745][ T380] RIP: 0033:0x446359 [ 40.188755][ T380] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 40.188759][ T380] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 40.188767][ T380] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 40.188771][ T380] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 40.188776][ T380] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 40.188782][ T380] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 40.188786][ T380] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ *[[ 40.439089][ T377] CPU: 1 PID: 377 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 40.450355][ T377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.460409][ T377] Call Trace: [ 40.463715][ T377] dump_stack+0x1dd/0x24e 0;1;31m*[0;[ 40.468059][ T377] ? devkmsg_release+0x11c/0x11c [ 40.474356][ T377] ? show_regs_print_info+0x12/0x12 [ 40.479564][ T377] ? _raw_spin_lock_irqsave+0xf8/0x210 31m* ] A st[ 40.485042][ T377] should_fail+0x6fb/0x860 [ 40.490828][ T377] ? setup_fault_attr+0x3d0/0x3d0 art job is runni[ 40.495860][ T377] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 40.503033][ T377] ? __kmem_cache_create+0x180/0x6f0 ng for dev-ttyS0[ 40.508325][ T377] should_failslab+0x5/0x20 [ 40.514189][ T377] kmem_cache_alloc+0x36/0x270 [ 40.518961][ T377] ? cache_random_seq_create+0x188/0x1c0 .device (33s / 1[ 40.524614][ T377] __kmem_cache_create+0x180/0x6f0 [ 40.531112][ T377] ? __should_failslab+0x92/0x150 min 30s)[ 40.536215][ T377] ? create_cache+0x3b/0x1f0 [ 40.541488][ T377] ? kmem_cache_alloc+0x1e0/0x270 [ 40.546512][ T377] create_cache+0x156/0x1f0 [ 40.551002][ T377] kmem_cache_create_usercopy+0x145/0x1d0 [ 40.556698][ T377] p9_client_create+0x9ff/0xb90 [ 40.561524][ T377] ? p9_parse_header+0x6b0/0x6b0 [ 40.566447][ T377] ? __kasan_kmalloc+0x189/0x1c0 [ 40.571371][ T377] ? __kmalloc_track_caller+0x20e/0x2c0 [ 40.576887][ T377] ? vfs_get_tree+0x85/0x260 [ 40.581452][ T377] v9fs_session_init+0x208/0x1a00 [ 40.586461][ T377] ? v9fs_show_options+0x530/0x530 [ 40.591544][ T377] ? v9fs_mount+0x5c/0x790 [ 40.595935][ T377] ? kmem_cache_alloc_trace+0xc3/0x290 [ 40.601366][ T377] ? legacy_init_fs_context+0x4d/0xc0 [ 40.606712][ T377] v9fs_mount+0x7f/0x790 [ 40.610941][ T377] ? cap_capable+0x23f/0x280 [ 40.615505][ T377] legacy_get_tree+0xde/0x170 [ 40.620158][ T377] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 40.625873][ T377] vfs_get_tree+0x85/0x260 [ 40.630347][ T377] do_mount+0x18ab/0x2660 [ 40.634649][ T377] ? copy_mount_string+0x30/0x30 [ 40.639560][ T377] ? page_fault+0x2f/0x40 [ 40.643872][ T377] ? copy_mount_options+0x1e8/0x320 [ 40.649048][ T377] ? copy_mount_options+0x293/0x320 [ 40.654234][ T377] ksys_mount+0xc2/0xf0 [ 40.658372][ T377] __x64_sys_mount+0xb1/0xc0 [ 40.662932][ T377] do_syscall_64+0xcb/0x150 [ 40.667405][ T377] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.673270][ T377] RIP: 0033:0x446359 [ 40.677135][ T377] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 40.696721][ T377] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 40.705122][ T377] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 40.713063][ T377] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 40.721010][ T377] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 40.728951][ T377] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 40.736997][ T377] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 40.752664][ T377] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 40.752712][ T378] FAULT_INJECTION: forcing a failure. [ 40.752712][ T378] name failslab, interval 1, probability 0, space 0, times 0 [ 40.759854][ T377] CPU: 1 PID: 377 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 40.759865][ T377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.792530][ T377] Call Trace: [ 40.795816][ T377] dump_stack+0x1dd/0x24e [ 40.800133][ T377] ? devkmsg_release+0x11c/0x11c [ 40.805052][ T377] ? show_regs_print_info+0x12/0x12 [ 40.810262][ T377] ? create_cache+0x1cc/0x1f0 [ 40.815026][ T377] kmem_cache_create_usercopy+0x8c/0x1d0 [ 40.820652][ T377] p9_client_create+0x9ff/0xb90 [ 40.825488][ T377] ? p9_parse_header+0x6b0/0x6b0 [ 40.830409][ T377] ? __kasan_kmalloc+0x189/0x1c0 [ 40.835329][ T377] ? __kmalloc_track_caller+0x20e/0x2c0 [ 40.840853][ T377] ? vfs_get_tree+0x85/0x260 [ 40.845449][ T377] v9fs_session_init+0x208/0x1a00 [ 40.850464][ T377] ? v9fs_show_options+0x530/0x530 [ 40.855575][ T377] ? v9fs_mount+0x5c/0x790 [ 40.859976][ T377] ? kmem_cache_alloc_trace+0xc3/0x290 [ 40.865415][ T377] ? legacy_init_fs_context+0x4d/0xc0 [ 40.870973][ T377] v9fs_mount+0x7f/0x790 [ 40.875290][ T377] ? cap_capable+0x23f/0x280 [ 40.879864][ T377] legacy_get_tree+0xde/0x170 [ 40.884612][ T377] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 40.890321][ T377] vfs_get_tree+0x85/0x260 [ 40.894758][ T377] do_mount+0x18ab/0x2660 [ 40.899074][ T377] ? copy_mount_string+0x30/0x30 [ 40.904004][ T377] ? page_fault+0x2f/0x40 [ 40.908321][ T377] ? copy_mount_options+0x1e8/0x320 [ 40.913497][ T377] ? copy_mount_options+0x293/0x320 [ 40.918675][ T377] ksys_mount+0xc2/0xf0 [ 40.922838][ T377] __x64_sys_mount+0xb1/0xc0 [ 40.927415][ T377] do_syscall_64+0xcb/0x150 [ 40.931904][ T377] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.937782][ T377] RIP: 0033:0x446359 [ 40.941662][ T377] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 40.961274][ T377] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 40.969765][ T377] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 40.977743][ T377] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 40.985699][ T377] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 40.993659][ T377] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 41.001624][ T377] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 41.009593][ T378] CPU: 0 PID: 378 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 41.019686][ T378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.029744][ T378] Call Trace: [ 41.033012][ T378] dump_stack+0x1dd/0x24e [ 41.037332][ T378] ? devkmsg_release+0x11c/0x11c [ 41.042238][ T378] ? show_regs_print_info+0x12/0x12 [ 41.047413][ T378] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 41.052867][ T378] should_fail+0x6fb/0x860 [ 41.057257][ T378] ? setup_fault_attr+0x3d0/0x3d0 [ 41.062250][ T378] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 41.068035][ T378] ? __kmem_cache_create+0x180/0x6f0 [ 41.073297][ T378] should_failslab+0x5/0x20 [ 41.077805][ T378] kmem_cache_alloc+0x36/0x270 [ 41.082575][ T378] ? cache_random_seq_create+0x188/0x1c0 [ 41.088189][ T378] __kmem_cache_create+0x180/0x6f0 [ 41.093270][ T378] ? __should_failslab+0x92/0x150 [ 41.098266][ T378] ? create_cache+0x3b/0x1f0 [ 41.102830][ T378] ? kmem_cache_alloc+0x1e0/0x270 [ 41.107834][ T378] create_cache+0x156/0x1f0 [ 41.112306][ T378] kmem_cache_create_usercopy+0x145/0x1d0 [ 41.117996][ T378] p9_client_create+0x9ff/0xb90 [ 41.122836][ T378] ? p9_parse_header+0x6b0/0x6b0 [ 41.127754][ T378] ? __kasan_kmalloc+0x189/0x1c0 [ 41.132659][ T378] ? __kmalloc_track_caller+0x20e/0x2c0 [ 41.138184][ T378] ? vfs_get_tree+0x85/0x260 [ 41.142755][ T378] v9fs_session_init+0x208/0x1a00 [ 41.147751][ T378] ? v9fs_show_options+0x530/0x530 [ 41.152840][ T378] ? v9fs_mount+0x5c/0x790 [ 41.157229][ T378] ? kmem_cache_alloc_trace+0xc3/0x290 [ 41.162659][ T378] ? legacy_init_fs_context+0x4d/0xc0 [ 41.168020][ T378] v9fs_mount+0x7f/0x790 [ 41.172252][ T378] ? cap_capable+0x23f/0x280 [ 41.176822][ T378] legacy_get_tree+0xde/0x170 [ 41.181487][ T378] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 41.187192][ T378] vfs_get_tree+0x85/0x260 [ 41.191592][ T378] do_mount+0x18ab/0x2660 [ 41.195903][ T378] ? copy_mount_string+0x30/0x30 [ 41.200823][ T378] ? page_fault+0x2f/0x40 [ 41.205130][ T378] ? copy_mount_options+0x1e8/0x320 [ 41.210301][ T378] ? copy_mount_options+0x293/0x320 [ 41.215485][ T378] ksys_mount+0xc2/0xf0 [ 41.219623][ T378] __x64_sys_mount+0xb1/0xc0 [ 41.224191][ T378] do_syscall_64+0xcb/0x150 [ 41.228675][ T378] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.234551][ T378] RIP: 0033:0x446359 [ 41.238452][ T378] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 41.258062][ T378] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 41.266482][ T378] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 41.274434][ T378] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 41.282398][ T378] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 executing program [ 41.290361][ T378] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 41.298326][ T378] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [*[0;1;3[ 41.311142][ T378] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 41.311257][ T379] FAULT_INJECTION: forcing a failure. [ 41.311257][ T379] name failslab, interval 1, probability 0, space 0, times 0 1m** [ 41.332325][ T378] CPU: 0 PID: 378 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 41.343475][ T378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.353557][ T378] Call Trace: [ 41.356841][ T378] dump_stack+0x1dd/0x24e [ 41.361165][ T378] ? devkmsg_release+0x11c/0x11c [ 41.366110][ T378] ? show_regs_print_info+0x12/0x12 [ 41.371294][ T378] ? create_cache+0x1cc/0x1f0 [ 41.375959][ T378] kmem_cache_create_usercopy+0x8c/0x1d0 [ 41.381594][ T378] p9_client_create+0x9ff/0xb90 [ 41.386436][ T378] ? p9_parse_header+0x6b0/0x6b0 [ 41.391359][ T378] ? __kasan_kmalloc+0x189/0x1c0 [ 41.396283][ T378] ? __kmalloc_track_caller+0x20e/0x2c0 [ 41.402337][ T378] ? vfs_get_tree+0x85/0x260 [ 41.406916][ T378] v9fs_session_init+0x208/0x1a00 [ 41.411950][ T378] ? v9fs_show_options+0x530/0x530 [ 41.417048][ T378] ? v9fs_mount+0x5c/0x790 [ 41.421448][ T378] ? kmem_cache_alloc_trace+0xc3/0x290 [ 41.426916][ T378] ? legacy_init_fs_context+0x4d/0xc0 [ 41.432282][ T378] v9fs_mount+0x7f/0x790 [ 41.436510][ T378] ? cap_capable+0x23f/0x280 [ 41.441090][ T378] legacy_get_tree+0xde/0x170 [ 41.445765][ T378] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 41.451556][ T378] vfs_get_tree+0x85/0x260 [ 41.455975][ T378] do_mount+0x18ab/0x2660 [ 41.460303][ T378] ? copy_mount_string+0x30/0x30 [ 41.465223][ T378] ? page_fault+0x2f/0x40 [ 41.469537][ T378] ? copy_mount_options+0x1e8/0x320 [ 41.474715][ T378] ? copy_mount_options+0x293/0x320 [ 41.479910][ T378] ksys_mount+0xc2/0xf0 [ 41.484048][ T378] __x64_sys_mount+0xb1/0xc0 [ 41.488619][ T378] do_syscall_64+0xcb/0x150 [ 41.493102][ T378] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.498985][ T378] RIP: 0033:0x446359 [ 41.502865][ T378] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 41.522462][ T378] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 41.530862][ T378] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 41.538819][ T378] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 41.546794][ T378] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 41.554768][ T378] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 41.562721][ T378] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 ] A start [ 41.571068][ T379] CPU: 0 PID: 379 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 41.582219][ T379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.592259][ T379] Call Trace: [ 41.595536][ T379] dump_stack+0x1dd/0x24e [ 41.599859][ T379] ? devkmsg_release+0x11c/0x11c [ 41.604781][ T379] ? show_regs_print_info+0x12/0x12 [ 41.609963][ T379] ? kmem_cache_alloc+0x1e0/0x270 [ 41.614976][ T379] ? kmem_cache_create_usercopy+0x145/0x1d0 [ 41.620857][ T379] ? p9_client_create+0x9ff/0xb90 [ 41.625884][ T379] ? v9fs_session_init+0x208/0x1a00 [ 41.631073][ T379] ? legacy_get_tree+0xde/0x170 [ 41.635912][ T379] ? vfs_get_tree+0x85/0x260 [ 41.640485][ T379] ? do_mount+0x18ab/0x2660 [ 41.644973][ T379] ? ksys_mount+0xc2/0xf0 [ 41.649317][ T379] should_fail+0x6fb/0x860 [ 41.653726][ T379] ? setup_fault_attr+0x3d0/0x3d0 [ 41.658762][ T379] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 41.664213][ T379] ? _raw_spin_lock+0x1b0/0x1b0 [ 41.669111][ T379] ? cache_random_seq_create+0x7f/0x1c0 [ 41.674640][ T379] should_failslab+0x5/0x20 [ 41.679146][ T379] __kmalloc+0x5f/0x2d0 [ 41.683302][ T379] cache_random_seq_create+0x7f/0x1c0 [ 41.688659][ T379] __kmem_cache_create+0x497/0x6f0 [ 41.693752][ T379] ? __should_failslab+0x92/0x150 [ 41.698758][ T379] ? create_cache+0x3b/0x1f0 [ 41.703371][ T379] ? kmem_cache_alloc+0x1e0/0x270 [ 41.708378][ T379] create_cache+0x156/0x1f0 [ 41.712865][ T379] kmem_cache_create_usercopy+0x145/0x1d0 [ 41.718581][ T379] p9_client_create+0x9ff/0xb90 [ 41.723434][ T379] ? p9_parse_header+0x6b0/0x6b0 [ 41.728362][ T379] ? __kasan_kmalloc+0x189/0x1c0 [ 41.733286][ T379] ? __kmalloc_track_caller+0x20e/0x2c0 [ 41.738842][ T379] ? vfs_get_tree+0x85/0x260 [ 41.743424][ T379] v9fs_session_init+0x208/0x1a00 [ 41.748451][ T379] ? v9fs_show_options+0x530/0x530 [ 41.753595][ T379] ? v9fs_mount+0x5c/0x790 [ 41.758010][ T379] ? kmem_cache_alloc_trace+0xc3/0x290 [ 41.763459][ T379] ? legacy_init_fs_context+0x4d/0xc0 [ 41.768817][ T379] v9fs_mount+0x7f/0x790 [ 41.773055][ T379] ? cap_capable+0x23f/0x280 [ 41.777629][ T379] legacy_get_tree+0xde/0x170 [ 41.782292][ T379] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 41.787997][ T379] vfs_get_tree+0x85/0x260 [ 41.792413][ T379] do_mount+0x18ab/0x2660 [ 41.796744][ T379] ? copy_mount_string+0x30/0x30 [ 41.801664][ T379] ? page_fault+0x2f/0x40 [ 41.805978][ T379] ? copy_mount_options+0x1e8/0x320 [ 41.811171][ T379] ? copy_mount_options+0x293/0x320 [ 41.816372][ T379] ksys_mount+0xc2/0xf0 [ 41.820514][ T379] __x64_sys_mount+0xb1/0xc0 [ 41.825101][ T379] do_syscall_64+0xcb/0x150 [ 41.829607][ T379] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.835492][ T379] RIP: 0033:0x446359 [ 41.839374][ T379] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 41.858980][ T379] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 41.867384][ T379] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 41.875351][ T379] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 41.883327][ T379] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 41.891290][ T379] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 41.899249][ T379] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 job is running for dev-ttyS0.device (35s / 1min [ 41.910884][ T379] SLUB: Unable to initialize free list for 9p-fcall-cache 30s)[ 41.918889][ T382] FAULT_INJECTION: forcing a failure. [ 41.918889][ T382] name failslab, interval 1, probability 0, space 0, times 0 [ 41.931753][ T379] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 41.941100][ T382] CPU: 0 PID: 382 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 41.951181][ T382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.961234][ T382] Call Trace: [ 41.964534][ T382] dump_stack+0x1dd/0x24e [ 41.968855][ T382] ? devkmsg_release+0x11c/0x11c [ 41.973776][ T382] ? show_regs_print_info+0x12/0x12 [ 41.978959][ T382] ? kmem_cache_alloc+0x1e0/0x270 [ 41.983978][ T382] ? kmem_cache_create_usercopy+0x145/0x1d0 [ 41.989939][ T382] ? p9_client_create+0x9ff/0xb90 [ 41.994945][ T382] ? v9fs_session_init+0x208/0x1a00 [ 42.000149][ T382] ? legacy_get_tree+0xde/0x170 [ 42.004994][ T382] ? vfs_get_tree+0x85/0x260 [ 42.009589][ T382] ? do_mount+0x18ab/0x2660 [ 42.014093][ T382] ? ksys_mount+0xc2/0xf0 [ 42.018426][ T382] should_fail+0x6fb/0x860 [ 42.022835][ T382] ? setup_fault_attr+0x3d0/0x3d0 [ 42.027839][ T382] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 42.033284][ T382] ? _raw_spin_lock+0x1b0/0x1b0 [ 42.038116][ T382] ? cache_random_seq_create+0x7f/0x1c0 [ 42.043637][ T382] should_failslab+0x5/0x20 [ 42.048119][ T382] __kmalloc+0x5f/0x2d0 [ 42.052258][ T382] cache_random_seq_create+0x7f/0x1c0 [ 42.057613][ T382] __kmem_cache_create+0x497/0x6f0 [ 42.062702][ T382] ? __should_failslab+0x92/0x150 [ 42.067704][ T382] ? create_cache+0x3b/0x1f0 [ 42.072285][ T382] ? kmem_cache_alloc+0x1e0/0x270 [ 42.077290][ T382] create_cache+0x156/0x1f0 [ 42.081790][ T382] kmem_cache_create_usercopy+0x145/0x1d0 [ 42.087491][ T382] p9_client_create+0x9ff/0xb90 [ 42.092322][ T382] ? p9_parse_header+0x6b0/0x6b0 [ 42.097269][ T382] ? __kasan_kmalloc+0x189/0x1c0 [ 42.102192][ T382] ? __kmalloc_track_caller+0x20e/0x2c0 [ 42.107732][ T382] ? vfs_get_tree+0x85/0x260 [ 42.112301][ T382] v9fs_session_init+0x208/0x1a00 [ 42.117309][ T382] ? v9fs_show_options+0x530/0x530 [ 42.122402][ T382] ? v9fs_mount+0x5c/0x790 [ 42.126824][ T382] ? kmem_cache_alloc_trace+0xc3/0x290 [ 42.132286][ T382] ? legacy_init_fs_context+0x4d/0xc0 [ 42.137653][ T382] v9fs_mount+0x7f/0x790 [ 42.141884][ T382] ? cap_capable+0x23f/0x280 [ 42.146457][ T382] legacy_get_tree+0xde/0x170 [ 42.151121][ T382] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 42.156840][ T382] vfs_get_tree+0x85/0x260 [ 42.161244][ T382] do_mount+0x18ab/0x2660 [ 42.165561][ T382] ? copy_mount_string+0x30/0x30 [ 42.170483][ T382] ? page_fault+0x2f/0x40 [ 42.174801][ T382] ? copy_mount_options+0x1e8/0x320 [ 42.180071][ T382] ? copy_mount_options+0x293/0x320 [ 42.185250][ T382] ksys_mount+0xc2/0xf0 [ 42.189411][ T382] __x64_sys_mount+0xb1/0xc0 [ 42.193982][ T382] do_syscall_64+0xcb/0x150 [ 42.198467][ T382] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.204338][ T382] RIP: 0033:0x446359 [ 42.208213][ T382] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 42.227841][ T382] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 42.236250][ T382] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 42.244203][ T382] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 42.252154][ T382] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 42.260110][ T382] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 42.268061][ T382] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 42.277357][ T385] FAULT_INJECTION: forcing a failure. [ 42.277357][ T385] name failslab, interval 1, probability 0, space 0, times 0 [ 42.286160][ T379] CPU: 1 PID: 379 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 42.299984][ T379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.310027][ T379] Call Trace: [ 42.313321][ T379] dump_stack+0x1dd/0x24e [ 42.317639][ T379] ? devkmsg_release+0x11c/0x11c [ 42.322562][ T379] ? show_regs_print_info+0x12/0x12 [ 42.327746][ T379] ? create_cache+0x1cc/0x1f0 [ 42.332406][ T379] kmem_cache_create_usercopy+0x8c/0x1d0 [ 42.338024][ T379] p9_client_create+0x9ff/0xb90 [ 42.342877][ T379] ? p9_parse_header+0x6b0/0x6b0 [ 42.347797][ T379] ? __kasan_kmalloc+0x189/0x1c0 [ 42.352715][ T379] ? __kmalloc_track_caller+0x20e/0x2c0 [ 42.358247][ T379] ? vfs_get_tree+0x85/0x260 [ 42.362865][ T379] v9fs_session_init+0x208/0x1a00 [ 42.367898][ T379] ? v9fs_show_options+0x530/0x530 [ 42.373006][ T379] ? v9fs_mount+0x5c/0x790 [ 42.377437][ T379] ? kmem_cache_alloc_trace+0xc3/0x290 [ 42.382895][ T379] ? legacy_init_fs_context+0x4d/0xc0 [ 42.388252][ T379] v9fs_mount+0x7f/0x790 [ 42.392480][ T379] ? cap_capable+0x23f/0x280 [ 42.397060][ T379] legacy_get_tree+0xde/0x170 [ 42.401737][ T379] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 42.407468][ T379] vfs_get_tree+0x85/0x260 [ 42.411870][ T379] do_mount+0x18ab/0x2660 [ 42.416183][ T379] ? copy_mount_string+0x30/0x30 [ 42.421108][ T379] ? page_fault+0x2f/0x40 [ 42.425429][ T379] ? copy_mount_options+0x1e8/0x320 [ 42.430631][ T379] ? copy_mount_options+0x293/0x320 [ 42.435813][ T379] ksys_mount+0xc2/0xf0 [ 42.439952][ T379] __x64_sys_mount+0xb1/0xc0 [ 42.444529][ T379] do_syscall_64+0xcb/0x150 [ 42.449017][ T379] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.454895][ T379] RIP: 0033:0x446359 [ 42.458788][ T379] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 42.478404][ T379] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 42.486807][ T379] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 42.494763][ T379] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 42.502746][ T379] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 42.510730][ T379] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 42.518690][ T379] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 42.526655][ T385] CPU: 0 PID: 385 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 42.536712][ T385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.546768][ T385] Call Trace: [ 42.546783][ T385] dump_stack+0x1dd/0x24e [ 42.546793][ T385] ? devkmsg_release+0x11c/0x11c [ 42.546801][ T385] ? show_regs_print_info+0x12/0x12 [ 42.546809][ T385] ? preempt_schedule+0x168/0x190 [ 42.546817][ T385] ? schedule_preempt_disabled+0x20/0x20 [ 42.546828][ T385] should_fail+0x6fb/0x860 [ 42.546837][ T385] ? setup_fault_attr+0x3d0/0x3d0 [ 42.546846][ T385] ? p9_check_errors+0x583/0x8b0 [ 42.546854][ T385] ? p9pdu_readf+0x1d50/0x2d40 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 42.546862][ T385] should_failslab+0x5/0x20 [ 42.546871][ T385] __kmalloc+0x5f/0x2d0 [ 42.546878][ T385] ? p9pdu_readf+0x14a7/0x2d40 [ 42.546886][ T385] p9pdu_readf+0x1d50/0x2d40 [ 42.546895][ T385] ? p9_client_rpc+0xa1a/0xb80 [ 42.546904][ T385] ? p9_check_errors+0x45c/0x8b0 [[ 42.546911][ T385] ? p9pdu_writef+0x120/0x120 [ 42.546922][ T385] ? add_wait_queue+0x77/0x130 [ 42.546930][ T385] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 42.546938][ T385] p9_client_version+0x20b/0x700 executing program *[[ 42.546946][ T385] ? p9_conn_create+0x4a6/0x520 0;31m* ] [ 42.546954][ T385] ? p9_client_create+0xb90/0xb90 A start job is r[ 42.546961][ T385] ? p9_fd_create_unix+0x470/0x470 unning for dev-t[ 42.546968][ T385] ? __kmalloc_track_caller+0x20e/0x2c0 tyS0.device (36s[ 42.546978][ T385] ? kmemdup_nul+0x42/0xa0 / 1min 30s)[ 42.546986][ T385] p9_client_create+0x8e5/0xb90 [ 42.546996][ T385] ? p9_parse_header+0x6b0/0x6b0 [ 42.547004][ T385] ? __kasan_kmalloc+0x189/0x1c0 [ 42.547012][ T385] ? __kmalloc_track_caller+0x20e/0x2c0 [ 42.547019][ T385] ? vfs_get_tree+0x85/0x260 [ 42.547028][ T385] v9fs_session_init+0x208/0x1a00 [ 42.547040][ T385] ? v9fs_show_options+0x530/0x530 [ 42.547050][ T385] ? v9fs_mount+0x5c/0x790 [ 42.547058][ T385] ? kmem_cache_alloc_trace+0xc3/0x290 [ 42.547066][ T385] ? legacy_init_fs_context+0x4d/0xc0 [ 42.547074][ T385] v9fs_mount+0x7f/0x790 [ 42.547081][ T385] ? cap_capable+0x23f/0x280 [ 42.547089][ T385] legacy_get_tree+0xde/0x170 [ 42.547097][ T385] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 42.547103][ T385] vfs_get_tree+0x85/0x260 [ 42.547112][ T385] do_mount+0x18ab/0x2660 [ 42.547122][ T385] ? copy_mount_string+0x30/0x30 [ 42.547128][ T385] ? page_fault+0x2f/0x40 [ 42.547138][ T385] ? copy_mount_options+0x1e8/0x320 [ 42.547145][ T385] ? copy_mount_options+0x293/0x320 [ 42.547153][ T385] ksys_mount+0xc2/0xf0 [ 42.547161][ T385] __x64_sys_mount+0xb1/0xc0 [ 42.547169][ T385] do_syscall_64+0xcb/0x150 [ 42.547178][ T385] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.547186][ T385] RIP: 0033:0x446359 [ 42.547194][ T385] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 42.547199][ T385] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 42.547207][ T385] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 42.547211][ T385] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 42.547216][ T385] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 42.547221][ T385] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 42.547225][ T385] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 42.548979][ T382] SLUB: Unable to initialize free list for 9p-fcall-cache [ 42.872244][ T382] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 42.872711][ T381] FAULT_INJECTION: forcing a failure. [ 42.872711][ T381] name failslab, interval 1, probability 0, space 0, times 0 [ 42.879471][ T382] CPU: 1 PID: 382 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 42.901965][ T382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.912007][ T382] Call Trace: [ 42.915288][ T382] dump_stack+0x1dd/0x24e [ 42.919600][ T382] ? devkmsg_release+0x11c/0x11c [ 42.924517][ T382] ? show_regs_print_info+0x12/0x12 [ 42.929714][ T382] ? create_cache+0x1cc/0x1f0 [ 42.934375][ T382] kmem_cache_create_usercopy+0x8c/0x1d0 [ 42.939990][ T382] p9_client_create+0x9ff/0xb90 [ 42.944826][ T382] ? p9_parse_header+0x6b0/0x6b0 [ 42.949748][ T382] ? __kasan_kmalloc+0x189/0x1c0 [ 42.954668][ T382] ? __kmalloc_track_caller+0x20e/0x2c0 [ 42.960191][ T382] ? vfs_get_tree+0x85/0x260 [ 42.964763][ T382] v9fs_session_init+0x208/0x1a00 [ 42.969773][ T382] ? v9fs_show_options+0x530/0x530 [ 42.974875][ T382] ? v9fs_mount+0x5c/0x790 [ 42.979277][ T382] ? kmem_cache_alloc_trace+0xc3/0x290 [ 42.984737][ T382] ? legacy_init_fs_context+0x4d/0xc0 [ 42.990095][ T382] v9fs_mount+0x7f/0x790 [ 42.994319][ T382] ? cap_capable+0x23f/0x280 [ 42.998890][ T382] legacy_get_tree+0xde/0x170 [ 43.003555][ T382] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 43.009254][ T382] vfs_get_tree+0x85/0x260 [ 43.013653][ T382] do_mount+0x18ab/0x2660 [ 43.017969][ T382] ? copy_mount_string+0x30/0x30 [ 43.022888][ T382] ? page_fault+0x2f/0x40 [ 43.027203][ T382] ? copy_mount_options+0x1e8/0x320 [ 43.032382][ T382] ? copy_mount_options+0x293/0x320 [ 43.037598][ T382] ksys_mount+0xc2/0xf0 [ 43.041737][ T382] __x64_sys_mount+0xb1/0xc0 [ 43.046325][ T382] do_syscall_64+0xcb/0x150 [ 43.050828][ T382] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.056706][ T382] RIP: 0033:0x446359 [ 43.060581][ T382] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 43.080182][ T382] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 43.088581][ T382] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 43.096550][ T382] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 43.104503][ T382] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 43.112453][ T382] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 43.120407][ T382] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 43.128370][ T381] CPU: 0 PID: 381 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 43.138420][ T381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.148462][ T381] Call Trace: [ 43.151759][ T381] dump_stack+0x1dd/0x24e [ 43.156065][ T381] ? devkmsg_release+0x11c/0x11c [ 43.160973][ T381] ? show_regs_print_info+0x12/0x12 [ 43.166175][ T381] ? kmem_cache_alloc+0x1e0/0x270 [ 43.171260][ T381] ? kmem_cache_create_usercopy+0x145/0x1d0 [ 43.177146][ T381] ? p9_client_create+0x9ff/0xb90 [ 43.182144][ T381] ? v9fs_session_init+0x208/0x1a00 [ 43.187326][ T381] ? legacy_get_tree+0xde/0x170 [ 43.192144][ T381] ? vfs_get_tree+0x85/0x260 [ 43.196711][ T381] ? do_mount+0x18ab/0x2660 [ 43.201216][ T381] ? ksys_mount+0xc2/0xf0 [ 43.205541][ T381] should_fail+0x6fb/0x860 [ 43.209955][ T381] ? setup_fault_attr+0x3d0/0x3d0 [ 43.214958][ T381] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 43.220382][ T381] ? _raw_spin_lock+0x1b0/0x1b0 [ 43.225204][ T381] ? cache_random_seq_create+0x7f/0x1c0 [ 43.230732][ T381] should_failslab+0x5/0x20 [ 43.235205][ T381] __kmalloc+0x5f/0x2d0 [ 43.239340][ T381] cache_random_seq_create+0x7f/0x1c0 [ 43.244682][ T381] __kmem_cache_create+0x497/0x6f0 [ 43.249768][ T381] ? __should_failslab+0x92/0x150 [ 43.254784][ T381] ? create_cache+0x3b/0x1f0 [ 43.259342][ T381] ? kmem_cache_alloc+0x1e0/0x270 [ 43.264347][ T381] create_cache+0x156/0x1f0 [ 43.268820][ T381] kmem_cache_create_usercopy+0x145/0x1d0 [ 43.274522][ T381] p9_client_create+0x9ff/0xb90 [ 43.279355][ T381] ? p9_parse_header+0x6b0/0x6b0 [ 43.284276][ T381] ? __kasan_kmalloc+0x189/0x1c0 [ 43.289185][ T381] ? __kmalloc_track_caller+0x20e/0x2c0 [ 43.294696][ T381] ? vfs_get_tree+0x85/0x260 [ 43.299255][ T381] v9fs_session_init+0x208/0x1a00 [ 43.304268][ T381] ? v9fs_show_options+0x530/0x530 [ 43.304286][ T381] ? v9fs_mount+0x5c/0x790 [ 43.313778][ T381] ? kmem_cache_alloc_trace+0xc3/0x290 [ 43.319223][ T381] ? legacy_init_fs_context+0x4d/0xc0 [ 43.324590][ T381] v9fs_mount+0x7f/0x790 [ 43.328855][ T381] ? cap_capable+0x23f/0x280 [ 43.333433][ T381] legacy_get_tree+0xde/0x170 [ 43.338122][ T381] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 43.343827][ T381] vfs_get_tree+0x85/0x260 [ 43.348243][ T381] do_mount+0x18ab/0x2660 [ 43.352562][ T381] ? copy_mount_string+0x30/0x30 [ 43.357486][ T381] ? page_fault+0x2f/0x40 [ 43.361814][ T381] ? copy_mount_options+0x1e8/0x320 [ 43.367020][ T381] ? copy_mount_options+0x293/0x320 [ 43.372236][ T381] ksys_mount+0xc2/0xf0 [ 43.376381][ T381] __x64_sys_mount+0xb1/0xc0 [ 43.380975][ T381] do_syscall_64+0xcb/0x150 [ 43.385467][ T381] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.391346][ T381] RIP: 0033:0x446359 [ 43.395249][ T381] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 43.414840][ T381] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 43.423240][ T381] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 43.431193][ T381] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 43.439150][ T381] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 43.447094][ T381] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 43.455055][ T381] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [[ 43.464293][ T381] SLUB: Unable to initialize free list for 9p-fcall-cache * ] A st[ 43.471749][ T381] kmem_cache_create(9p-fcall-cache) failed with error -22 art job is runni[ 43.471776][ T383] FAULT_INJECTION: forcing a failure. [ 43.471776][ T383] name failslab, interval 1, probability 0, space 0, times 0 [ 43.480226][ T381] CPU: 0 PID: 381 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 43.504106][ T381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.514153][ T381] Call Trace: [ 43.517437][ T381] dump_stack+0x1dd/0x24e [ 43.521755][ T381] ? devkmsg_release+0x11c/0x11c [ 43.526677][ T381] ? show_regs_print_info+0x12/0x12 [ 43.531869][ T381] ? create_cache+0x1cc/0x1f0 [ 43.536556][ T381] kmem_cache_create_usercopy+0x8c/0x1d0 [ 43.542175][ T381] p9_client_create+0x9ff/0xb90 [ 43.547013][ T381] ? p9_parse_header+0x6b0/0x6b0 [ 43.551942][ T381] ? __kasan_kmalloc+0x189/0x1c0 [ 43.556976][ T381] ? __kmalloc_track_caller+0x20e/0x2c0 [ 43.562540][ T381] ? vfs_get_tree+0x85/0x260 [ 43.567130][ T381] v9fs_session_init+0x208/0x1a00 [ 43.572152][ T381] ? v9fs_show_options+0x530/0x530 [ 43.577298][ T381] ? v9fs_mount+0x5c/0x790 [ 43.581705][ T381] ? kmem_cache_alloc_trace+0xc3/0x290 [ 43.587150][ T381] ? legacy_init_fs_context+0x4d/0xc0 [ 43.592510][ T381] v9fs_mount+0x7f/0x790 [ 43.596753][ T381] ? cap_capable+0x23f/0x280 [ 43.601335][ T381] legacy_get_tree+0xde/0x170 [ 43.606005][ T381] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 43.611710][ T381] vfs_get_tree+0x85/0x260 [ 43.616113][ T381] do_mount+0x18ab/0x2660 [ 43.620431][ T381] ? copy_mount_string+0x30/0x30 [ 43.625356][ T381] ? page_fault+0x2f/0x40 [ 43.629688][ T381] ? copy_mount_options+0x1e8/0x320 [ 43.634876][ T381] ? copy_mount_options+0x293/0x320 [ 43.640064][ T381] ksys_mount+0xc2/0xf0 [ 43.644232][ T381] __x64_sys_mount+0xb1/0xc0 [ 43.648834][ T381] do_syscall_64+0xcb/0x150 [ 43.653330][ T381] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.659211][ T381] RIP: 0033:0x446359 [ 43.663104][ T381] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 43.682705][ T381] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 43.691121][ T381] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 43.699117][ T381] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 43.707092][ T381] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 43.715065][ T381] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 43.723030][ T381] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 43.731021][ T383] CPU: 1 PID: 383 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 43.741098][ T383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ng for dev-ttyS0[ 43.751183][ T383] Call Trace: [ 43.755875][ T383] dump_stack+0x1dd/0x24e .device (37s / 1[ 43.760215][ T383] ? devkmsg_release+0x11c/0x11c [ 43.766537][ T383] ? show_regs_print_info+0x12/0x12 [ 43.771731][ T383] ? _raw_spin_lock_irqsave+0xf8/0x210 min 30s)[ 43.777194][ T383] should_fail+0x6fb/0x860 [ 43.782288][ T383] ? setup_fault_attr+0x3d0/0x3d0 [ 43.787295][ T383] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 43.793111][ T383] ? __kmem_cache_create+0x180/0x6f0 [ 43.798378][ T383] should_failslab+0x5/0x20 [ 43.802852][ T383] kmem_cache_alloc+0x36/0x270 [ 43.807586][ T383] ? cache_random_seq_create+0x188/0x1c0 [ 43.813211][ T383] __kmem_cache_create+0x180/0x6f0 [ 43.818318][ T383] ? __should_failslab+0x92/0x150 [ 43.823331][ T383] ? create_cache+0x3b/0x1f0 [ 43.827906][ T383] ? kmem_cache_alloc+0x1e0/0x270 [ 43.832921][ T383] create_cache+0x156/0x1f0 [ 43.837397][ T383] kmem_cache_create_usercopy+0x145/0x1d0 [ 43.843512][ T383] p9_client_create+0x9ff/0xb90 [ 43.848349][ T383] ? p9_parse_header+0x6b0/0x6b0 [ 43.853263][ T383] ? __kasan_kmalloc+0x189/0x1c0 [ 43.858188][ T383] ? __kmalloc_track_caller+0x20e/0x2c0 [ 43.863758][ T383] ? vfs_get_tree+0x85/0x260 [ 43.868327][ T383] v9fs_session_init+0x208/0x1a00 [ 43.873347][ T383] ? v9fs_show_options+0x530/0x530 [ 43.878450][ T383] ? v9fs_mount+0x5c/0x790 [ 43.882854][ T383] ? kmem_cache_alloc_trace+0xc3/0x290 [ 43.888298][ T383] ? legacy_init_fs_context+0x4d/0xc0 [ 43.893649][ T383] v9fs_mount+0x7f/0x790 [ 43.897883][ T383] ? cap_capable+0x23f/0x280 [ 43.902461][ T383] legacy_get_tree+0xde/0x170 [ 43.907148][ T383] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 43.912847][ T383] vfs_get_tree+0x85/0x260 [ 43.917239][ T383] do_mount+0x18ab/0x2660 [ 43.921559][ T383] ? copy_mount_string+0x30/0x30 [ 43.926466][ T383] ? page_fault+0x2f/0x40 [ 43.930771][ T383] ? copy_mount_options+0x1e8/0x320 [ 43.935964][ T383] ? copy_mount_options+0x293/0x320 [ 43.941143][ T383] ksys_mount+0xc2/0xf0 [ 43.945272][ T383] __x64_sys_mount+0xb1/0xc0 [ 43.949834][ T383] do_syscall_64+0xcb/0x150 [ 43.954314][ T383] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.960183][ T383] RIP: 0033:0x446359 [ 43.964055][ T383] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 43.983642][ T383] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 43.992027][ T383] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 executing program [ 43.999997][ T383] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 44.007952][ T383] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 44.015900][ T383] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 44.023847][ T383] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 44.036112][ T384] FAULT_INJECTION: forcing a failure. [ 44.036112][ T384] name failslab, interval 1, probability 0, space 0, times 0 [ 44.046396][ T383] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 44.048945][ T384] CPU: 1 PID: 384 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 44.065843][ T384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.075888][ T384] Call Trace: [ 44.079191][ T384] dump_stack+0x1dd/0x24e [ 44.083530][ T384] ? devkmsg_release+0x11c/0x11c [ 44.088459][ T384] ? show_regs_print_info+0x12/0x12 [ 44.093649][ T384] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 44.099112][ T384] should_fail+0x6fb/0x860 [ 44.103523][ T384] ? setup_fault_attr+0x3d0/0x3d0 [ 44.108559][ T384] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 44.114356][ T384] ? __kmem_cache_create+0x180/0x6f0 [ 44.119637][ T384] should_failslab+0x5/0x20 [ 44.124134][ T384] kmem_cache_alloc+0x36/0x270 [ 44.128890][ T384] ? cache_random_seq_create+0x188/0x1c0 [ 44.134516][ T384] __kmem_cache_create+0x180/0x6f0 [ 44.139616][ T384] ? __should_failslab+0x92/0x150 [ 44.144638][ T384] ? create_cache+0x3b/0x1f0 [ 44.149213][ T384] ? kmem_cache_alloc+0x1e0/0x270 [ 44.154228][ T384] create_cache+0x156/0x1f0 [ 44.158724][ T384] kmem_cache_create_usercopy+0x145/0x1d0 [ 44.164457][ T384] p9_client_create+0x9ff/0xb90 [ 44.169299][ T384] ? p9_parse_header+0x6b0/0x6b0 [ 44.174225][ T384] ? __kasan_kmalloc+0x189/0x1c0 [ 44.179151][ T384] ? __kmalloc_track_caller+0x20e/0x2c0 [ 44.184680][ T384] ? vfs_get_tree+0x85/0x260 [ 44.189257][ T384] v9fs_session_init+0x208/0x1a00 [ 44.194270][ T384] ? v9fs_show_options+0x530/0x530 [ 44.199366][ T384] ? v9fs_mount+0x5c/0x790 [ 44.203764][ T384] ? kmem_cache_alloc_trace+0xc3/0x290 [ 44.209202][ T384] ? legacy_init_fs_context+0x4d/0xc0 [ 44.214560][ T384] v9fs_mount+0x7f/0x790 [ 44.218805][ T384] ? cap_capable+0x23f/0x280 [ 44.223378][ T384] legacy_get_tree+0xde/0x170 [ 44.228062][ T384] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 44.233791][ T384] vfs_get_tree+0x85/0x260 [ 44.238223][ T384] do_mount+0x18ab/0x2660 [ 44.242571][ T384] ? copy_mount_string+0x30/0x30 [ 44.247505][ T384] ? page_fault+0x2f/0x40 [ 44.251826][ T384] ? copy_mount_options+0x1e8/0x320 [ 44.257026][ T384] ? copy_mount_options+0x293/0x320 [ 44.262213][ T384] ksys_mount+0xc2/0xf0 [ 44.266357][ T384] __x64_sys_mount+0xb1/0xc0 [ 44.270928][ T384] do_syscall_64+0xcb/0x150 [ 44.275589][ T384] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.281465][ T384] RIP: 0033:0x446359 [ 44.285341][ T384] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 44.304930][ T384] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 44.313345][ T384] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 44.321302][ T384] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 44.329280][ T384] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 44.337255][ T384] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 44.345234][ T384] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 44.353208][ T383] CPU: 0 PID: 383 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 44.354222][ T386] FAULT_INJECTION: forcing a failure. [ 44.354222][ T386] name failslab, interval 1, probability 0, space 0, times 0 [ 44.363267][ T383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.363271][ T383] Call Trace: [ 44.363288][ T383] dump_stack+0x1dd/0x24e [ 44.363299][ T383] ? devkmsg_release+0x11c/0x11c [ 44.363314][ T383] ? show_regs_print_info+0x12/0x12 [ 44.376036][ T384] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 44.385943][ T383] ? create_cache+0x1cc/0x1f0 [ 44.385954][ T383] kmem_cache_create_usercopy+0x8c/0x1d0 [ 44.385965][ T383] p9_client_create+0x9ff/0xb90 [ 44.385974][ T383] ? p9_parse_header+0x6b0/0x6b0 [ 44.385984][ T383] ? __kasan_kmalloc+0x189/0x1c0 [ 44.385998][ T383] ? __kmalloc_track_caller+0x20e/0x2c0 [ 44.441172][ T383] ? vfs_get_tree+0x85/0x260 [ 44.445756][ T383] v9fs_session_init+0x208/0x1a00 [ 44.450770][ T383] ? v9fs_show_options+0x530/0x530 [ 44.455877][ T383] ? v9fs_mount+0x5c/0x790 [ 44.460275][ T383] ? kmem_cache_alloc_trace+0xc3/0x290 [ 44.465737][ T383] ? legacy_init_fs_context+0x4d/0xc0 [ 44.471096][ T383] v9fs_mount+0x7f/0x790 [ 44.475324][ T383] ? cap_capable+0x23f/0x280 [ 44.479896][ T383] legacy_get_tree+0xde/0x170 [ 44.484558][ T383] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 44.490281][ T383] vfs_get_tree+0x85/0x260 [ 44.494711][ T383] do_mount+0x18ab/0x2660 [ 44.499037][ T383] ? copy_mount_string+0x30/0x30 [ 44.503959][ T383] ? page_fault+0x2f/0x40 [ 44.508291][ T383] ? copy_mount_options+0x1e8/0x320 [ 44.513476][ T383] ? copy_mount_options+0x293/0x320 [ 44.518657][ T383] ksys_mount+0xc2/0xf0 [ 44.522793][ T383] __x64_sys_mount+0xb1/0xc0 [ 44.527371][ T383] do_syscall_64+0xcb/0x150 [ 44.531858][ T383] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.537733][ T383] RIP: 0033:0x446359 [ 44.541611][ T383] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 44.561216][ T383] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 44.569610][ T383] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 44.577569][ T383] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 44.585526][ T383] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 44.593481][ T383] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 44.601454][ T383] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 44.609418][ T386] CPU: 1 PID: 386 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 44.619479][ T386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.619488][ T386] Call Trace: [ 44.632805][ T386] dump_stack+0x1dd/0x24e [ 44.637157][ T386] ? devkmsg_release+0x11c/0x11c [ 44.642094][ T386] ? show_regs_print_info+0x12/0x12 [ 44.647409][ T386] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 44.652912][ T386] should_fail+0x6fb/0x860 [ 44.657445][ T386] ? setup_fault_attr+0x3d0/0x3d0 [ 44.662467][ T386] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 44.668269][ T386] ? __kmem_cache_create+0x180/0x6f0 [ 44.673547][ T386] should_failslab+0x5/0x20 [ 44.678067][ T386] kmem_cache_alloc+0x36/0x270 [ 44.682831][ T386] ? cache_random_seq_create+0x188/0x1c0 [ 44.688465][ T386] __kmem_cache_create+0x180/0x6f0 [ 44.693570][ T386] ? __should_failslab+0x92/0x150 [ 44.698597][ T386] ? create_cache+0x3b/0x1f0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 44.703217][ T386] ? kmem_cache_alloc+0x1e0/0x270 [ 44.708249][ T386] create_cache+0x156/0x1f0 [ 44.712750][ T386] kmem_cache_create_usercopy+0x145/0x1d0 [ 44.718463][ T386] p9_client_create+0x9ff/0xb90 [ 44.723304][ T386] ? p9_parse_header+0x6b0/0x6b0 [*[ 44.728255][ T386] ? __kasan_kmalloc+0x189/0x1c0 [ 44.734556][ T386] ? __kmalloc_track_caller+0x20e/0x2c0 [0m* [ 44.740104][ T386] ? vfs_get_tree+0x85/0x260 [ 44.746062][ T386] v9fs_session_init+0x208/0x1a00 [0m] A start job[ 44.751085][ T386] ? v9fs_show_options+0x530/0x530 [ 44.757664][ T386] ? v9fs_mount+0x5c/0x790 is running for [ 44.762081][ T386] ? kmem_cache_alloc_trace+0xc3/0x290 [ 44.768945][ T386] ? legacy_init_fs_context+0x4d/0xc0 dev-ttyS0.device[ 44.774312][ T386] v9fs_mount+0x7f/0x790 [ 44.779926][ T386] ? cap_capable+0x23f/0x280 (38s / 1min 30s[ 44.784543][ T386] legacy_get_tree+0xde/0x170 [ 44.790596][ T386] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 )[ 44.796309][ T386] vfs_get_tree+0x85/0x260 [ 44.800789][ T386] do_mount+0x18ab/0x2660 [ 44.805117][ T386] ? copy_mount_string+0x30/0x30 [ 44.810052][ T386] ? page_fault+0x2f/0x40 [ 44.814370][ T386] ? copy_mount_options+0x1e8/0x320 [ 44.819616][ T386] ? copy_mount_options+0x293/0x320 [ 44.824804][ T386] ksys_mount+0xc2/0xf0 [ 44.828946][ T386] __x64_sys_mount+0xb1/0xc0 [ 44.833779][ T386] do_syscall_64+0xcb/0x150 [ 44.838267][ T386] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.844148][ T386] RIP: 0033:0x446359 [ 44.848030][ T386] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 44.867624][ T386] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 44.876027][ T386] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 44.883992][ T386] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 44.891950][ T386] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 44.899907][ T386] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 44.907860][ T386] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 44.915831][ T384] CPU: 0 PID: 384 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 44.919632][ T387] FAULT_INJECTION: forcing a failure. [ 44.919632][ T387] name failslab, interval 1, probability 0, space 0, times 0 [ 44.925897][ T384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.925900][ T384] Call Trace: [ 44.925916][ T384] dump_stack+0x1dd/0x24e [ 44.925927][ T384] ? devkmsg_release+0x11c/0x11c [ 44.925934][ T384] ? show_regs_print_info+0x12/0x12 [ 44.925951][ T384] ? create_cache+0x1cc/0x1f0 [ 44.938663][ T386] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 44.948585][ T384] kmem_cache_create_usercopy+0x8c/0x1d0 [ 44.948598][ T384] p9_client_create+0x9ff/0xb90 [ 44.948607][ T384] ? p9_parse_header+0x6b0/0x6b0 [ 44.948617][ T384] ? __kasan_kmalloc+0x189/0x1c0 [ 44.948630][ T384] ? __kmalloc_track_caller+0x20e/0x2c0 [ 45.004122][ T384] ? vfs_get_tree+0x85/0x260 [ 45.008730][ T384] v9fs_session_init+0x208/0x1a00 [ 45.013749][ T384] ? v9fs_show_options+0x530/0x530 [ 45.018853][ T384] ? v9fs_mount+0x5c/0x790 [ 45.023254][ T384] ? kmem_cache_alloc_trace+0xc3/0x290 [ 45.028703][ T384] ? legacy_init_fs_context+0x4d/0xc0 [ 45.034061][ T384] v9fs_mount+0x7f/0x790 [ 45.038293][ T384] ? cap_capable+0x23f/0x280 [ 45.042872][ T384] legacy_get_tree+0xde/0x170 [ 45.047539][ T384] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 executing program [ 45.053244][ T384] vfs_get_tree+0x85/0x260 [ 45.057648][ T384] do_mount+0x18ab/0x2660 [ 45.061964][ T384] ? copy_mount_string+0x30/0x30 [ 45.066882][ T384] ? page_fault+0x2f/0x40 [ 45.071193][ T384] ? copy_mount_options+0x1e8/0x320 [ 45.076373][ T384] ? copy_mount_options+0x293/0x320 [ 45.081550][ T384] ksys_mount+0xc2/0xf0 [ 45.085705][ T384] __x64_sys_mount+0xb1/0xc0 [ 45.090282][ T384] do_syscall_64+0xcb/0x150 [ 45.094776][ T384] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.100651][ T384] RIP: 0033:0x446359 [ 45.104525][ T384] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 45.124129][ T384] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 45.132522][ T384] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 45.140842][ T384] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 45.148815][ T384] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 45.156769][ T384] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 45.164724][ T384] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 45.172707][ T387] CPU: 1 PID: 387 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 45.182764][ T387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.192821][ T387] Call Trace: [ 45.196112][ T387] dump_stack+0x1dd/0x24e [ 45.200425][ T387] ? devkmsg_release+0x11c/0x11c [ 45.205340][ T387] ? show_regs_print_info+0x12/0x12 [ 45.210520][ T387] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 45.215989][ T387] should_fail+0x6fb/0x860 [ 45.220406][ T387] ? setup_fault_attr+0x3d0/0x3d0 [ 45.225411][ T387] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 45.231206][ T387] ? __kmem_cache_create+0x180/0x6f0 [ 45.236474][ T387] should_failslab+0x5/0x20 [ 45.240975][ T387] kmem_cache_alloc+0x36/0x270 [ 45.245718][ T387] ? cache_random_seq_create+0x188/0x1c0 [ 45.251352][ T387] __kmem_cache_create+0x180/0x6f0 [ 45.256450][ T387] ? __should_failslab+0x92/0x150 [ 45.261458][ T387] ? create_cache+0x3b/0x1f0 [ 45.266050][ T387] ? kmem_cache_alloc+0x1e0/0x270 [ 45.271056][ T387] create_cache+0x156/0x1f0 [ 45.275544][ T387] kmem_cache_create_usercopy+0x145/0x1d0 [ 45.281250][ T387] p9_client_create+0x9ff/0xb90 [ 45.286083][ T387] ? p9_parse_header+0x6b0/0x6b0 [ 45.291021][ T387] ? __kasan_kmalloc+0x189/0x1c0 [ 45.295938][ T387] ? __kmalloc_track_caller+0x20e/0x2c0 [ 45.301478][ T387] ? vfs_get_tree+0x85/0x260 [ 45.306053][ T387] v9fs_session_init+0x208/0x1a00 [ 45.311065][ T387] ? v9fs_show_options+0x530/0x530 [ 45.316157][ T387] ? v9fs_mount+0x5c/0x790 [ 45.320572][ T387] ? kmem_cache_alloc_trace+0xc3/0x290 [ 45.326011][ T387] v9fs_mount+0x7f/0x790 [ 45.330234][ T387] ? cap_capable+0x23f/0x280 [ 45.334808][ T387] legacy_get_tree+0xde/0x170 [ 45.339468][ T387] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 45.345168][ T387] vfs_get_tree+0x85/0x260 [ 45.349568][ T387] do_mount+0x18ab/0x2660 [ 45.353882][ T387] ? copy_mount_string+0x30/0x30 [ 45.358804][ T387] ? page_fault+0x2f/0x40 [ 45.363116][ T387] ? copy_mount_options+0x1e8/0x320 [ 45.368293][ T387] ? copy_mount_options+0x293/0x320 [ 45.373468][ T387] ksys_mount+0xc2/0xf0 [ 45.377602][ T387] __x64_sys_mount+0xb1/0xc0 [ 45.382172][ T387] do_syscall_64+0xcb/0x150 [ 45.386659][ T387] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.392530][ T387] RIP: 0033:0x446359 [ 45.396424][ T387] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 45.396435][ T387] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 45.424423][ T387] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 45.432378][ T387] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 45.440329][ T387] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 45.448281][ T387] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 45.456234][ T387] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 45.464254][ T386] CPU: 0 PID: 386 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 45.474312][ T386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.483967][ T388] FAULT_INJECTION: forcing a failure. [ 45.483967][ T388] name failslab, interval 1, probability 0, space 0, times 0 [ 45.484358][ T386] Call Trace: [ 45.497092][ T387] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 45.500230][ T386] dump_stack+0x1dd/0x24e [ 45.500241][ T386] ? devkmsg_release+0x11c/0x11c [ 45.500254][ T386] ? show_regs_print_info+0x12/0x12 [ 45.521729][ T386] ? create_cache+0x1cc/0x1f0 [ 45.526393][ T386] kmem_cache_create_usercopy+0x8c/0x1d0 [ 45.532028][ T386] p9_client_create+0x9ff/0xb90 [ 45.536863][ T386] ? p9_parse_header+0x6b0/0x6b0 [ 45.541783][ T386] ? __kasan_kmalloc+0x189/0x1c0 [ 45.546715][ T386] ? __kmalloc_track_caller+0x20e/0x2c0 [ 45.552241][ T386] ? vfs_get_tree+0x85/0x260 [ 45.556836][ T386] v9fs_session_init+0x208/0x1a00 [ 45.561847][ T386] ? v9fs_show_options+0x530/0x530 [ 45.566949][ T386] ? v9fs_mount+0x5c/0x790 [ 45.571351][ T386] ? kmem_cache_alloc_trace+0xc3/0x290 [ 45.576796][ T386] ? legacy_init_fs_context+0x4d/0xc0 [ 45.582170][ T386] v9fs_mount+0x7f/0x790 [ 45.586399][ T386] ? cap_capable+0x23f/0x280 [ 45.590977][ T386] legacy_get_tree+0xde/0x170 [ 45.595726][ T386] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 45.601438][ T386] vfs_get_tree+0x85/0x260 [ 45.605865][ T386] do_mount+0x18ab/0x2660 [ 45.610185][ T386] ? copy_mount_string+0x30/0x30 [ 45.615111][ T386] ? page_fault+0x2f/0x40 [ 45.619461][ T386] ? copy_mount_options+0x1e8/0x320 [ 45.624661][ T386] ? copy_mount_options+0x293/0x320 [ 45.629865][ T386] ksys_mount+0xc2/0xf0 [ 45.634027][ T386] __x64_sys_mount+0xb1/0xc0 [ 45.638609][ T386] do_syscall_64+0xcb/0x150 [ 45.643126][ T386] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.649002][ T386] RIP: 0033:0x446359 [ 45.652934][ T386] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 45.672537][ T386] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 45.680960][ T386] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 45.688926][ T386] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 45.696890][ T386] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 45.704851][ T386] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 45.712823][ T386] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [*** ] [ 45.726212][ T387] CPU: 0 PID: 387 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 45.736277][ T387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.746333][ T387] Call Trace: [ 45.749621][ T387] dump_stack+0x1dd/0x24e [ 45.753942][ T387] ? devkmsg_release+0x11c/0x11c executing program [ 45.758894][ T387] ? show_regs_print_info+0x12/0x12 [ 45.764085][ T387] ? create_cache+0x1cc/0x1f0 [ 45.768773][ T387] kmem_cache_create_usercopy+0x8c/0x1d0 [ 45.774398][ T387] p9_client_create+0x9ff/0xb90 [ 45.779255][ T387] ? p9_parse_header+0x6b0/0x6b0 [ 45.784186][ T387] ? __kasan_kmalloc+0x189/0x1c0 [ 45.789139][ T387] ? __kmalloc_track_caller+0x20e/0x2c0 [ 45.794688][ T387] ? vfs_get_tree+0x85/0x260 [ 45.799272][ T387] v9fs_session_init+0x208/0x1a00 [ 45.804296][ T387] ? v9fs_show_options+0x530/0x530 [ 45.809424][ T387] ? v9fs_mount+0x5c/0x790 [ 45.813840][ T387] ? kmem_cache_alloc_trace+0xc3/0x290 [ 45.819289][ T387] v9fs_mount+0x7f/0x790 [ 45.823522][ T387] ? cap_capable+0x23f/0x280 [ 45.828109][ T387] legacy_get_tree+0xde/0x170 [ 45.832780][ T387] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 45.838501][ T387] vfs_get_tree+0x85/0x260 [ 45.842916][ T387] do_mount+0x18ab/0x2660 [ 45.847243][ T387] ? copy_mount_string+0x30/0x30 [ 45.852169][ T387] ? page_fault+0x2f/0x40 [ 45.856505][ T387] ? copy_mount_options+0x1e8/0x320 [ 45.861708][ T387] ? copy_mount_options+0x293/0x320 [ 45.866902][ T387] ksys_mount+0xc2/0xf0 [ 45.871085][ T387] __x64_sys_mount+0xb1/0xc0 [ 45.875714][ T387] do_syscall_64+0xcb/0x150 [ 45.880229][ T387] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.886150][ T387] RIP: 0033:0x446359 [ 45.890046][ T387] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 45.909649][ T387] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 45.918053][ T387] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 45.926018][ T387] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 45.933979][ T387] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 45.941941][ T387] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 45.949934][ T387] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 45.957937][ T388] CPU: 1 PID: 388 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 45.968037][ T388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 A start job is r[ 45.978088][ T388] Call Trace: unning for dev-t[ 45.982783][ T388] dump_stack+0x1dd/0x24e [ 45.988489][ T388] ? devkmsg_release+0x11c/0x11c [ 45.993418][ T388] ? show_regs_print_info+0x12/0x12 tyS0.device (39s[ 45.998621][ T388] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 46.005462][ T388] should_fail+0x6fb/0x860 [ 46.009880][ T388] ? setup_fault_attr+0x3d0/0x3d0 / 1min 30s)[ 46.014896][ T388] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 46.021719][ T388] ? __kmem_cache_create+0x180/0x6f0 [ 46.027013][ T388] should_failslab+0x5/0x20 [ 46.031500][ T388] kmem_cache_alloc+0x36/0x270 [ 46.036238][ T388] ? cache_random_seq_create+0x188/0x1c0 [ 46.041864][ T388] __kmem_cache_create+0x180/0x6f0 [ 46.046953][ T388] ? __should_failslab+0x92/0x150 [ 46.051965][ T388] ? create_cache+0x3b/0x1f0 [ 46.056546][ T388] ? kmem_cache_alloc+0x1e0/0x270 [ 46.061544][ T388] create_cache+0x156/0x1f0 [ 46.066022][ T388] kmem_cache_create_usercopy+0x145/0x1d0 [ 46.071720][ T388] p9_client_create+0x9ff/0xb90 [ 46.076550][ T388] ? p9_parse_header+0x6b0/0x6b0 [ 46.081461][ T388] ? __kasan_kmalloc+0x189/0x1c0 [ 46.086402][ T388] ? __kmalloc_track_caller+0x20e/0x2c0 [ 46.091933][ T388] ? vfs_get_tree+0x85/0x260 [ 46.096513][ T388] v9fs_session_init+0x208/0x1a00 [ 46.101512][ T388] ? v9fs_show_options+0x530/0x530 [ 46.106600][ T388] ? v9fs_mount+0x5c/0x790 [ 46.110989][ T388] ? v9fs_mount+0x5c/0x790 [ 46.115376][ T388] ? kmem_cache_alloc_trace+0xc3/0x290 [ 46.120821][ T388] v9fs_mount+0x7f/0x790 [ 46.125035][ T388] ? cap_capable+0x23f/0x280 [ 46.129594][ T388] legacy_get_tree+0xde/0x170 [ 46.134269][ T388] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 46.139972][ T388] vfs_get_tree+0x85/0x260 [ 46.144373][ T388] do_mount+0x18ab/0x2660 [ 46.148718][ T388] ? copy_mount_string+0x30/0x30 [ 46.153632][ T388] ? page_fault+0x2f/0x40 [ 46.157949][ T388] ? copy_mount_options+0x1e8/0x320 [ 46.163121][ T388] ? copy_mount_options+0x293/0x320 [ 46.168312][ T388] ksys_mount+0xc2/0xf0 [ 46.172456][ T388] __x64_sys_mount+0xb1/0xc0 [ 46.177047][ T388] do_syscall_64+0xcb/0x150 [ 46.181540][ T388] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.187429][ T388] RIP: 0033:0x446359 [ 46.191294][ T388] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 46.210871][ T388] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 46.219272][ T388] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 46.227229][ T388] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 46.235200][ T388] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 46.243158][ T388] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 46.251111][ T388] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 46.259572][ T388] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 46.266958][ T389] FAULT_INJECTION: forcing a failure. [ 46.266958][ T389] name failslab, interval 1, probability 0, space 0, times 0 [ 46.267142][ T388] CPU: 1 PID: 388 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 46.289619][ T388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.299661][ T388] Call Trace: [ 46.302946][ T388] dump_stack+0x1dd/0x24e [ 46.307261][ T388] ? devkmsg_release+0x11c/0x11c [ 46.312180][ T388] ? show_regs_print_info+0x12/0x12 [ 46.317380][ T388] ? create_cache+0x1cc/0x1f0 [ 46.322037][ T388] kmem_cache_create_usercopy+0x8c/0x1d0 [ 46.327652][ T388] p9_client_create+0x9ff/0xb90 [ 46.332492][ T388] ? p9_parse_header+0x6b0/0x6b0 [ 46.337465][ T388] ? __kasan_kmalloc+0x189/0x1c0 [ 46.342382][ T388] ? __kmalloc_track_caller+0x20e/0x2c0 [ 46.347909][ T388] ? vfs_get_tree+0x85/0x260 [ 46.352482][ T388] v9fs_session_init+0x208/0x1a00 [ 46.357492][ T388] ? v9fs_show_options+0x530/0x530 [ 46.362607][ T388] ? v9fs_mount+0x5c/0x790 [ 46.367003][ T388] ? v9fs_mount+0x5c/0x790 [ 46.371406][ T388] ? kmem_cache_alloc_trace+0xc3/0x290 [ 46.376866][ T388] v9fs_mount+0x7f/0x790 [ 46.381090][ T388] ? cap_capable+0x23f/0x280 [ 46.385667][ T388] legacy_get_tree+0xde/0x170 [ 46.390327][ T388] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 46.396032][ T388] vfs_get_tree+0x85/0x260 [ 46.400458][ T388] do_mount+0x18ab/0x2660 [ 46.404773][ T388] ? copy_mount_string+0x30/0x30 [ 46.409717][ T388] ? page_fault+0x2f/0x40 [ 46.414059][ T388] ? copy_mount_options+0x1e8/0x320 [ 46.419241][ T388] ? copy_mount_options+0x293/0x320 [ 46.424421][ T388] ksys_mount+0xc2/0xf0 [ 46.428583][ T388] __x64_sys_mount+0xb1/0xc0 [ 46.433176][ T388] do_syscall_64+0xcb/0x150 [ 46.437681][ T388] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.443560][ T388] RIP: 0033:0x446359 [ 46.447526][ T388] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 46.467122][ T388] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 46.475543][ T388] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 46.483506][ T388] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 46.491466][ T388] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 46.499428][ T388] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 46.507384][ T388] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 46.515352][ T389] CPU: 0 PID: 389 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 46.525409][ T389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.535466][ T389] Call Trace: [ 46.538748][ T389] dump_stack+0x1dd/0x24e [ 46.543059][ T389] ? devkmsg_release+0x11c/0x11c [ 46.547970][ T389] ? show_regs_print_info+0x12/0x12 [ 46.553175][ T389] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 46.558620][ T389] should_fail+0x6fb/0x860 [ 46.563022][ T389] ? setup_fault_attr+0x3d0/0x3d0 [ 46.568016][ T389] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 46.573797][ T389] ? __kmem_cache_create+0x180/0x6f0 [ 46.579055][ T389] should_failslab+0x5/0x20 [ 46.583531][ T389] kmem_cache_alloc+0x36/0x270 [ 46.588279][ T389] ? cache_random_seq_create+0x188/0x1c0 [ 46.593903][ T389] __kmem_cache_create+0x180/0x6f0 [ 46.598994][ T389] ? __should_failslab+0x92/0x150 [ 46.603990][ T389] ? create_cache+0x3b/0x1f0 [ 46.608548][ T389] ? kmem_cache_alloc+0x1e0/0x270 [ 46.613540][ T389] create_cache+0x156/0x1f0 [ 46.618040][ T389] kmem_cache_create_usercopy+0x145/0x1d0 [ 46.623736][ T389] p9_client_create+0x9ff/0xb90 [ 46.628569][ T389] ? p9_parse_header+0x6b0/0x6b0 [ 46.633487][ T389] ? __kasan_kmalloc+0x189/0x1c0 [ 46.638405][ T389] ? __kmalloc_track_caller+0x20e/0x2c0 [ 46.643948][ T389] ? vfs_get_tree+0x85/0x260 [ 46.648511][ T389] v9fs_session_init+0x208/0x1a00 [ 46.653526][ T389] ? v9fs_show_options+0x530/0x530 [ 46.658611][ T389] ? v9fs_mount+0x5c/0x790 [ 46.663005][ T389] ? kmem_cache_alloc_trace+0xc3/0x290 [ 46.668433][ T389] ? legacy_init_fs_context+0x4d/0xc0 [ 46.673779][ T389] v9fs_mount+0x7f/0x790 [ 46.678001][ T389] ? cap_capable+0x23f/0x280 [ 46.682572][ T389] legacy_get_tree+0xde/0x170 [ 46.687221][ T389] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 46.692914][ T389] vfs_get_tree+0x85/0x260 [ 46.697317][ T389] do_mount+0x18ab/0x2660 [ 46.701626][ T389] ? copy_mount_string+0x30/0x30 [ 46.706535][ T389] ? page_fault+0x2f/0x40 [ 46.710839][ T389] ? copy_mount_options+0x1e8/0x320 [ 46.716057][ T389] ? copy_mount_options+0x293/0x320 [ 46.721260][ T389] ksys_mount+0xc2/0xf0 [ 46.725415][ T389] __x64_sys_mount+0xb1/0xc0 [ 46.729998][ T389] do_syscall_64+0xcb/0x150 [ 46.734494][ T389] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.740360][ T389] RIP: 0033:0x446359 [ 46.744263][ T389] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 46.763932][ T389] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 46.772605][ T389] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 46.780652][ T389] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 46.788594][ T389] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 46.796535][ T389] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 46.804475][ T389] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 46.813411][ T389] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 46.813436][ T390] FAULT_INJECTION: forcing a failure. [ 46.813436][ T390] name failslab, interval 1, probability 0, space 0, times 0 [ *[0;1;[ 46.833643][ T389] CPU: 0 PID: 389 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 46.844702][ T389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.854748][ T389] Call Trace: [ 46.858028][ T389] dump_stack+0x1dd/0x24e [ 46.862374][ T389] ? devkmsg_release+0x11c/0x11c [ 46.867554][ T389] ? show_regs_print_info+0x12/0x12 [ 46.872824][ T389] ? create_cache+0x1cc/0x1f0 [ 46.877521][ T389] kmem_cache_create_usercopy+0x8c/0x1d0 [ 46.883149][ T389] p9_client_create+0x9ff/0xb90 [ 46.887990][ T389] ? p9_parse_header+0x6b0/0x6b0 [ 46.892924][ T389] ? __kasan_kmalloc+0x189/0x1c0 [ 46.897869][ T389] ? __kmalloc_track_caller+0x20e/0x2c0 [ 46.903414][ T389] ? vfs_get_tree+0x85/0x260 [ 46.907993][ T389] v9fs_session_init+0x208/0x1a00 [ 46.913006][ T389] ? v9fs_show_options+0x530/0x530 [ 46.918192][ T389] ? v9fs_mount+0x5c/0x790 [ 46.922597][ T389] ? kmem_cache_alloc_trace+0xc3/0x290 [ 46.928040][ T389] ? legacy_init_fs_context+0x4d/0xc0 [ 46.933398][ T389] v9fs_mount+0x7f/0x790 [ 46.937652][ T389] ? cap_capable+0x23f/0x280 [ 46.942249][ T389] legacy_get_tree+0xde/0x170 [ 46.946914][ T389] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 46.952632][ T389] vfs_get_tree+0x85/0x260 [ 46.957037][ T389] do_mount+0x18ab/0x2660 [ 46.961353][ T389] ? copy_mount_string+0x30/0x30 [ 46.966273][ T389] ? page_fault+0x2f/0x40 [ 46.970591][ T389] ? copy_mount_options+0x1e8/0x320 [ 46.975774][ T389] ? copy_mount_options+0x293/0x320 [ 46.980956][ T389] ksys_mount+0xc2/0xf0 [ 46.985097][ T389] __x64_sys_mount+0xb1/0xc0 [ 46.989675][ T389] do_syscall_64+0xcb/0x150 [ 46.994189][ T389] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.000067][ T389] RIP: 0033:0x446359 [ 47.003947][ T389] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 47.023545][ T389] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 47.031943][ T389] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 47.039901][ T389] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 47.047876][ T389] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 47.055832][ T389] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 47.063790][ T389] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 47.071759][ T390] CPU: 1 PID: 390 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 47.081846][ T390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 31m**[ 47.091908][ T390] Call Trace: [ 47.096573][ T390] dump_stack+0x1dd/0x24e ] A start [ 47.100904][ T390] ? devkmsg_release+0x11c/0x11c [ 47.107208][ T390] ? show_regs_print_info+0x12/0x12 [ 47.112395][ T390] ? kmem_cache_alloc+0x1e0/0x270 job is running f[ 47.117405][ T390] ? kmem_cache_create_usercopy+0x145/0x1d0 [ 47.124663][ T390] ? p9_client_create+0x9ff/0xb90 [ 47.129676][ T390] ? v9fs_session_init+0x208/0x1a00 or dev-ttyS0.dev[ 47.134871][ T390] ? legacy_get_tree+0xde/0x170 [ 47.141098][ T390] ? vfs_get_tree+0x85/0x260 [ 47.145680][ T390] ? do_mount+0x18ab/0x2660 ice (40s / 1min [ 47.150182][ T390] ? ksys_mount+0xc2/0xf0 [ 47.155984][ T390] should_fail+0x6fb/0x860 [ 47.160433][ T390] ? setup_fault_attr+0x3d0/0x3d0 30s)[ 47.165448][ T390] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 47.171219][ T390] ? _raw_spin_lock+0x1b0/0x1b0 [ 47.176061][ T390] ? cache_random_seq_create+0x7f/0x1c0 [ 47.181608][ T390] should_failslab+0x5/0x20 [ 47.186101][ T390] __kmalloc+0x5f/0x2d0 [ 47.190254][ T390] cache_random_seq_create+0x7f/0x1c0 [ 47.195603][ T390] __kmem_cache_create+0x497/0x6f0 [ 47.200703][ T390] ? __should_failslab+0x92/0x150 [ 47.205705][ T390] ? create_cache+0x3b/0x1f0 [ 47.210295][ T390] ? kmem_cache_alloc+0x1e0/0x270 [ 47.215315][ T390] create_cache+0x156/0x1f0 [ 47.219813][ T390] kmem_cache_create_usercopy+0x145/0x1d0 [ 47.225514][ T390] p9_client_create+0x9ff/0xb90 [ 47.230358][ T390] ? p9_parse_header+0x6b0/0x6b0 [ 47.235271][ T390] ? __kasan_kmalloc+0x189/0x1c0 [ 47.240188][ T390] ? __kmalloc_track_caller+0x20e/0x2c0 [ 47.245796][ T390] ? vfs_get_tree+0x85/0x260 [ 47.250369][ T390] v9fs_session_init+0x208/0x1a00 [ 47.255390][ T390] ? v9fs_show_options+0x530/0x530 [ 47.260486][ T390] ? v9fs_mount+0x5c/0x790 [ 47.264900][ T390] ? kmem_cache_alloc_trace+0xc3/0x290 [ 47.270365][ T390] ? legacy_init_fs_context+0x4d/0xc0 [ 47.275724][ T390] v9fs_mount+0x7f/0x790 [ 47.279944][ T390] ? cap_capable+0x23f/0x280 [ 47.284526][ T390] legacy_get_tree+0xde/0x170 [ 47.289196][ T390] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 47.294946][ T390] vfs_get_tree+0x85/0x260 [ 47.299356][ T390] do_mount+0x18ab/0x2660 [ 47.303666][ T390] ? copy_mount_string+0x30/0x30 [ 47.308588][ T390] ? page_fault+0x2f/0x40 [ 47.312896][ T390] ? copy_mount_options+0x1e8/0x320 [ 47.318088][ T390] ? copy_mount_options+0x293/0x320 [ 47.323261][ T390] ksys_mount+0xc2/0xf0 [ 47.327398][ T390] __x64_sys_mount+0xb1/0xc0 [ 47.331986][ T390] do_syscall_64+0xcb/0x150 [ 47.336479][ T390] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.342367][ T390] RIP: 0033:0x446359 [ 47.346446][ T390] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 47.366044][ T390] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 47.374430][ T390] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 47.382468][ T390] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 47.390433][ T390] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 47.398383][ T390] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 47.406339][ T390] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 executing program [ 47.423196][ T390] SLUB: Unable to initialize free list for 9p-fcall-cache [ 47.434566][ T391] FAULT_INJECTION: forcing a failure. [ 47.434566][ T391] name failslab, interval 1, probability 0, space 0, times 0 [ 47.448044][ T390] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 47.450196][ T391] CPU: 1 PID: 391 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 47.465227][ T391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.475291][ T391] Call Trace: [ 47.478584][ T391] dump_stack+0x1dd/0x24e [ 47.482934][ T391] ? devkmsg_release+0x11c/0x11c [ 47.487863][ T391] ? show_regs_print_info+0x12/0x12 [ 47.493057][ T391] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 47.498536][ T391] should_fail+0x6fb/0x860 [ 47.502947][ T391] ? setup_fault_attr+0x3d0/0x3d0 [ 47.507987][ T391] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 47.513785][ T391] ? __kmem_cache_create+0x180/0x6f0 [ 47.519061][ T391] should_failslab+0x5/0x20 [ 47.523557][ T391] kmem_cache_alloc+0x36/0x270 [ 47.528316][ T391] ? cache_random_seq_create+0x188/0x1c0 [ 47.533936][ T391] __kmem_cache_create+0x180/0x6f0 [ 47.539034][ T391] ? __should_failslab+0x92/0x150 [ 47.544045][ T391] ? create_cache+0x3b/0x1f0 [ 47.548620][ T391] ? kmem_cache_alloc+0x1e0/0x270 [ 47.553630][ T391] create_cache+0x156/0x1f0 [ 47.558120][ T391] kmem_cache_create_usercopy+0x145/0x1d0 [ 47.563841][ T391] p9_client_create+0x9ff/0xb90 [ 47.568693][ T391] ? p9_parse_header+0x6b0/0x6b0 [ 47.573618][ T391] ? __kasan_kmalloc+0x189/0x1c0 [ 47.578599][ T391] ? __kmalloc_track_caller+0x20e/0x2c0 [ 47.584129][ T391] ? vfs_get_tree+0x85/0x260 [ 47.588711][ T391] v9fs_session_init+0x208/0x1a00 [ 47.593734][ T391] ? v9fs_show_options+0x530/0x530 [ 47.598840][ T391] ? v9fs_mount+0x5c/0x790 [ 47.603264][ T391] ? kmem_cache_alloc_trace+0xc3/0x290 [ 47.608734][ T391] ? legacy_init_fs_context+0x4d/0xc0 [ 47.614122][ T391] v9fs_mount+0x7f/0x790 [ 47.618364][ T391] ? cap_capable+0x23f/0x280 [ 47.622941][ T391] legacy_get_tree+0xde/0x170 [ 47.627605][ T391] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 47.633320][ T391] vfs_get_tree+0x85/0x260 [ 47.637725][ T391] do_mount+0x18ab/0x2660 [ 47.642042][ T391] ? copy_mount_string+0x30/0x30 [ 47.646963][ T391] ? page_fault+0x2f/0x40 [ 47.651285][ T391] ? copy_mount_options+0x1e8/0x320 [ 47.656467][ T391] ? copy_mount_options+0x293/0x320 [ 47.661650][ T391] ksys_mount+0xc2/0xf0 [ 47.665793][ T391] __x64_sys_mount+0xb1/0xc0 [ 47.670366][ T391] do_syscall_64+0xcb/0x150 [ 47.674853][ T391] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.680729][ T391] RIP: 0033:0x446359 [ 47.684611][ T391] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 47.704228][ T391] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 47.712623][ T391] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 47.720582][ T391] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 47.728534][ T391] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 47.736505][ T391] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 47.744477][ T391] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 47.752443][ T390] CPU: 0 PID: 390 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 47.761496][ T392] FAULT_INJECTION: forcing a failure. [ 47.761496][ T392] name failslab, interval 1, probability 0, space 0, times 0 [ 47.762582][ T390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.762586][ T390] Call Trace: [ 47.762600][ T390] dump_stack+0x1dd/0x24e [ 47.762618][ T390] ? devkmsg_release+0x11c/0x11c [ 47.775294][ T391] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 47.785266][ T390] ? show_regs_print_info+0x12/0x12 [ 47.785276][ T390] ? create_cache+0x1cc/0x1f0 [ 47.785285][ T390] kmem_cache_create_usercopy+0x8c/0x1d0 [ 47.785296][ T390] p9_client_create+0x9ff/0xb90 [ 47.785305][ T390] ? p9_parse_header+0x6b0/0x6b0 [ 47.785322][ T390] ? __kasan_kmalloc+0x189/0x1c0 [ 47.835008][ T390] ? __kmalloc_track_caller+0x20e/0x2c0 [ 47.840543][ T390] ? vfs_get_tree+0x85/0x260 [ 47.845121][ T390] v9fs_session_init+0x208/0x1a00 [ 47.850137][ T390] ? v9fs_show_options+0x530/0x530 [ 47.855237][ T390] ? v9fs_mount+0x5c/0x790 [ 47.859642][ T390] ? kmem_cache_alloc_trace+0xc3/0x290 [ 47.865092][ T390] ? legacy_init_fs_context+0x4d/0xc0 [ 47.870456][ T390] v9fs_mount+0x7f/0x790 [ 47.874686][ T390] ? cap_capable+0x23f/0x280 [ 47.879264][ T390] legacy_get_tree+0xde/0x170 [ 47.883929][ T390] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 47.889633][ T390] vfs_get_tree+0x85/0x260 [ 47.894040][ T390] do_mount+0x18ab/0x2660 [ 47.898360][ T390] ? copy_mount_string+0x30/0x30 [ 47.903288][ T390] ? page_fault+0x2f/0x40 [ 47.907608][ T390] ? copy_mount_options+0x1e8/0x320 [ 47.912791][ T390] ? copy_mount_options+0x293/0x320 [ 47.918000][ T390] ksys_mount+0xc2/0xf0 [ 47.922145][ T390] __x64_sys_mount+0xb1/0xc0 [ 47.926734][ T390] do_syscall_64+0xcb/0x150 [ 47.931231][ T390] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.937109][ T390] RIP: 0033:0x446359 [ 47.940990][ T390] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 47.960602][ T390] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 47.969005][ T390] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 47.976963][ T390] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 47.984922][ T390] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 47.992889][ T390] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 48.000853][ T390] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 48.008850][ T391] CPU: 1 PID: 391 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 48.018934][ T391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.018944][ T391] Call Trace: [ 48.032281][ T391] dump_stack+0x1dd/0x24e [ 48.036610][ T391] ? devkmsg_release+0x11c/0x11c [ 48.041561][ T391] ? show_regs_print_info+0x12/0x12 [ 48.046751][ T391] ? create_cache+0x1cc/0x1f0 [ 48.051486][ T391] kmem_cache_create_usercopy+0x8c/0x1d0 [ 48.057154][ T391] p9_client_create+0x9ff/0xb90 [ 48.062031][ T391] ? p9_parse_header+0x6b0/0x6b0 [ 48.066993][ T391] ? __kasan_kmalloc+0x189/0x1c0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 48.072019][ T391] ? __kmalloc_track_caller+0x20e/0x2c0 [ 48.077568][ T391] ? vfs_get_tree+0x85/0x260 [ 48.082192][ T391] v9fs_session_init+0x208/0x1a00 [ 48.087253][ T391] ? v9fs_show_options+0x530/0x530 [ 48.092377][ T391] ? v9fs_mount+0x5c/0x790 [ 48.096794][ T391] ? kmem_cache_alloc_trace+0xc3/0x290 [ 48.102252][ T391] ? legacy_init_fs_context+0x4d/0xc0 [ 48.107635][ T391] v9fs_mount+0x7f/0x790 [ 48.111882][ T391] ? cap_capable+0x23f/0x280 [ 48.116499][ T391] legacy_get_tree+0xde/0x170 executing program [ 48.121197][ T391] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ *[ 48.126921][ T391] vfs_get_tree+0x85/0x260 [ 48.132728][ T391] do_mount+0x18ab/0x2660 [0;1;31m*[0[ 48.137063][ T391] ? copy_mount_string+0x30/0x30 [ 48.143396][ T391] ? page_fault+0x2f/0x40 ;31m* ] A st[ 48.147760][ T391] ? copy_mount_options+0x1e8/0x320 [ 48.154360][ T391] ? copy_mount_options+0x293/0x320 art job is runni[ 48.159571][ T391] ksys_mount+0xc2/0xf0 [ 48.165127][ T391] __x64_sys_mount+0xb1/0xc0 ng for dev-ttyS0[ 48.169718][ T391] do_syscall_64+0xcb/0x150 [ 48.175613][ T391] entry_SYSCALL_64_after_hwframe+0x44/0xa9 .device (41s / 1[ 48.181537][ T391] RIP: 0033:0x446359 [ 48.186817][ T391] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 min 30s)[ 48.206422][ T391] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 48.215513][ T391] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 48.223506][ T391] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 48.231501][ T391] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 48.239471][ T391] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 48.247540][ T391] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 48.255518][ T392] CPU: 0 PID: 392 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 48.265582][ T392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.275630][ T392] Call Trace: [ 48.278897][ T392] dump_stack+0x1dd/0x24e [ 48.283243][ T392] ? devkmsg_release+0x11c/0x11c [ 48.288191][ T392] ? show_regs_print_info+0x12/0x12 [ 48.293393][ T392] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 48.298832][ T392] should_fail+0x6fb/0x860 [ 48.303238][ T392] ? setup_fault_attr+0x3d0/0x3d0 [ 48.308279][ T392] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 48.314106][ T392] ? __kmem_cache_create+0x180/0x6f0 [ 48.319371][ T392] should_failslab+0x5/0x20 [ 48.323852][ T392] kmem_cache_alloc+0x36/0x270 [ 48.328608][ T392] ? cache_random_seq_create+0x188/0x1c0 [ 48.334222][ T392] __kmem_cache_create+0x180/0x6f0 [ 48.339318][ T392] ? __should_failslab+0x92/0x150 [ 48.344317][ T392] ? create_cache+0x3b/0x1f0 [ 48.348881][ T392] ? kmem_cache_alloc+0x1e0/0x270 [ 48.353895][ T392] create_cache+0x156/0x1f0 [ 48.358387][ T392] kmem_cache_create_usercopy+0x145/0x1d0 [ 48.364084][ T392] p9_client_create+0x9ff/0xb90 [ 48.368926][ T392] ? p9_parse_header+0x6b0/0x6b0 [ 48.373851][ T392] ? __kasan_kmalloc+0x189/0x1c0 [ 48.378777][ T392] ? __kmalloc_track_caller+0x20e/0x2c0 [ 48.384296][ T392] ? vfs_get_tree+0x85/0x260 [ 48.388863][ T392] v9fs_session_init+0x208/0x1a00 [ 48.393868][ T392] ? v9fs_show_options+0x530/0x530 [ 48.398956][ T392] ? v9fs_mount+0x5c/0x790 [ 48.403356][ T392] ? kmem_cache_alloc_trace+0xc3/0x290 [ 48.408793][ T392] ? legacy_init_fs_context+0x4d/0xc0 [ 48.414140][ T392] v9fs_mount+0x7f/0x790 [ 48.418365][ T392] ? cap_capable+0x23f/0x280 [ 48.422952][ T392] legacy_get_tree+0xde/0x170 [ 48.427602][ T392] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 48.433289][ T392] vfs_get_tree+0x85/0x260 [ 48.437686][ T392] do_mount+0x18ab/0x2660 [ 48.441999][ T392] ? copy_mount_string+0x30/0x30 [ 48.446922][ T392] ? page_fault+0x2f/0x40 [ 48.451249][ T392] ? copy_mount_options+0x1e8/0x320 [ 48.456427][ T392] ? copy_mount_options+0x293/0x320 [ 48.461606][ T392] ksys_mount+0xc2/0xf0 [ 48.465744][ T392] __x64_sys_mount+0xb1/0xc0 [ 48.470316][ T392] do_syscall_64+0xcb/0x150 [ 48.474805][ T392] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.480666][ T392] RIP: 0033:0x446359 [ 48.484530][ T392] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 48.504121][ T392] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 48.512528][ T392] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 48.520470][ T392] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 48.528426][ T392] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 48.536448][ T392] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 48.544854][ T392] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 48.553563][ T393] FAULT_INJECTION: forcing a failure. [ 48.553563][ T393] name failslab, interval 1, probability 0, space 0, times 0 [ 48.566167][ T392] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 48.566178][ T392] CPU: 1 PID: 392 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 48.566189][ T392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.593393][ T392] Call Trace: [ 48.596691][ T392] dump_stack+0x1dd/0x24e [ 48.601008][ T392] ? devkmsg_release+0x11c/0x11c [ 48.605928][ T392] ? show_regs_print_info+0x12/0x12 [ 48.611113][ T392] ? create_cache+0x1cc/0x1f0 [ 48.615774][ T392] kmem_cache_create_usercopy+0x8c/0x1d0 [ 48.621394][ T392] p9_client_create+0x9ff/0xb90 [ 48.626230][ T392] ? p9_parse_header+0x6b0/0x6b0 [ 48.631152][ T392] ? __kasan_kmalloc+0x189/0x1c0 [ 48.636179][ T392] ? __kmalloc_track_caller+0x20e/0x2c0 [ 48.641737][ T392] ? vfs_get_tree+0x85/0x260 [ 48.646344][ T392] v9fs_session_init+0x208/0x1a00 [ 48.651362][ T392] ? v9fs_show_options+0x530/0x530 [ 48.656469][ T392] ? v9fs_mount+0x5c/0x790 [ 48.660870][ T392] ? kmem_cache_alloc_trace+0xc3/0x290 [ 48.666312][ T392] ? legacy_init_fs_context+0x4d/0xc0 [ 48.671669][ T392] v9fs_mount+0x7f/0x790 [ 48.675895][ T392] ? cap_capable+0x23f/0x280 [ 48.680469][ T392] legacy_get_tree+0xde/0x170 [ 48.685130][ T392] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 48.690830][ T392] vfs_get_tree+0x85/0x260 [ 48.695229][ T392] do_mount+0x18ab/0x2660 [ 48.699548][ T392] ? copy_mount_string+0x30/0x30 [ 48.704467][ T392] ? page_fault+0x2f/0x40 [ 48.708807][ T392] ? copy_mount_options+0x1e8/0x320 [ 48.713987][ T392] ? copy_mount_options+0x293/0x320 [ 48.719175][ T392] ksys_mount+0xc2/0xf0 [ 48.723317][ T392] __x64_sys_mount+0xb1/0xc0 [ 48.727891][ T392] do_syscall_64+0xcb/0x150 [ 48.732386][ T392] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.738261][ T392] RIP: 0033:0x446359 [ 48.742165][ T392] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 48.761769][ T392] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 48.770189][ T392] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 48.778164][ T392] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 48.786136][ T392] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 48.794107][ T392] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 48.802058][ T392] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 48.810024][ T393] CPU: 0 PID: 393 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 48.820088][ T393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.830293][ T393] Call Trace: [ 48.833558][ T393] dump_stack+0x1dd/0x24e [ 48.837860][ T393] ? devkmsg_release+0x11c/0x11c [ 48.842769][ T393] ? show_regs_print_info+0x12/0x12 [ 48.847971][ T393] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 48.853437][ T393] should_fail+0x6fb/0x860 [ 48.857842][ T393] ? setup_fault_attr+0x3d0/0x3d0 [ 48.862838][ T393] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 48.868628][ T393] ? __kmem_cache_create+0x180/0x6f0 [ 48.873894][ T393] should_failslab+0x5/0x20 [ 48.878370][ T393] kmem_cache_alloc+0x36/0x270 [ 48.883108][ T393] ? cache_random_seq_create+0x188/0x1c0 [ 48.888729][ T393] __kmem_cache_create+0x180/0x6f0 [ 48.893813][ T393] ? __should_failslab+0x92/0x150 [ 48.898823][ T393] ? create_cache+0x3b/0x1f0 [ 48.903382][ T393] ? kmem_cache_alloc+0x1e0/0x270 [ 48.908392][ T393] create_cache+0x156/0x1f0 [ 48.912872][ T393] kmem_cache_create_usercopy+0x145/0x1d0 [ 48.918582][ T393] p9_client_create+0x9ff/0xb90 [ 48.923404][ T393] ? p9_parse_header+0x6b0/0x6b0 [ 48.928316][ T393] ? __kasan_kmalloc+0x189/0x1c0 [ 48.933236][ T393] ? __kmalloc_track_caller+0x20e/0x2c0 [ 48.938748][ T393] ? vfs_get_tree+0x85/0x260 [ 48.943334][ T393] v9fs_session_init+0x208/0x1a00 [ 48.948354][ T393] ? v9fs_show_options+0x530/0x530 [ 48.953450][ T393] ? v9fs_mount+0x5c/0x790 [ 48.957853][ T393] ? kmem_cache_alloc_trace+0xc3/0x290 [ 48.963294][ T393] ? legacy_init_fs_context+0x4d/0xc0 [ 48.968667][ T393] v9fs_mount+0x7f/0x790 [ 48.972896][ T393] ? cap_capable+0x23f/0x280 [ 48.977561][ T393] legacy_get_tree+0xde/0x170 [ 48.982236][ T393] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 48.987940][ T393] vfs_get_tree+0x85/0x260 [ 48.992417][ T393] do_mount+0x18ab/0x2660 [ 48.996721][ T393] ? copy_mount_string+0x30/0x30 [ 49.001750][ T393] ? page_fault+0x2f/0x40 [ 49.006062][ T393] ? copy_mount_options+0x1e8/0x320 [ 49.011233][ T393] ? copy_mount_options+0x293/0x320 [ 49.016403][ T393] ksys_mount+0xc2/0xf0 [ 49.020531][ T393] __x64_sys_mount+0xb1/0xc0 [ 49.025106][ T393] do_syscall_64+0xcb/0x150 [ 49.029581][ T393] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.035445][ T393] RIP: 0033:0x446359 [ 49.039308][ T393] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 49.058901][ T393] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 49.067311][ T393] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 49.075274][ T393] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 49.083220][ T393] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 49.091165][ T393] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 49.099112][ T393] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ *[0;[ 49.108739][ T393] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 49.111277][ T394] FAULT_INJECTION: forcing a failure. [ 49.111277][ T394] name failslab, interval 1, probability 0, space 0, times 0 1;31m*[0;31[ 49.129326][ T393] CPU: 0 PID: 393 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 49.140520][ T393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.150591][ T393] Call Trace: [ 49.153900][ T393] dump_stack+0x1dd/0x24e [ 49.158221][ T393] ? devkmsg_release+0x11c/0x11c [ 49.163843][ T393] ? show_regs_print_info+0x12/0x12 [ 49.169034][ T393] ? create_cache+0x1cc/0x1f0 [ 49.173730][ T393] kmem_cache_create_usercopy+0x8c/0x1d0 [ 49.179379][ T393] p9_client_create+0x9ff/0xb90 [ 49.184226][ T393] ? p9_parse_header+0x6b0/0x6b0 [ 49.189159][ T393] ? __kasan_kmalloc+0x189/0x1c0 [ 49.194098][ T393] ? __kmalloc_track_caller+0x20e/0x2c0 [ 49.199635][ T393] ? vfs_get_tree+0x85/0x260 [ 49.204216][ T393] v9fs_session_init+0x208/0x1a00 [ 49.209244][ T393] ? v9fs_show_options+0x530/0x530 [ 49.214350][ T393] ? v9fs_mount+0x5c/0x790 [ 49.218756][ T393] ? kmem_cache_alloc_trace+0xc3/0x290 [ 49.224219][ T393] ? legacy_init_fs_context+0x4d/0xc0 [ 49.229599][ T393] v9fs_mount+0x7f/0x790 [ 49.233850][ T393] ? cap_capable+0x23f/0x280 [ 49.238534][ T393] legacy_get_tree+0xde/0x170 [ 49.243201][ T393] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 49.249011][ T393] vfs_get_tree+0x85/0x260 [ 49.253442][ T393] do_mount+0x18ab/0x2660 [ 49.257764][ T393] ? copy_mount_string+0x30/0x30 [ 49.262706][ T393] ? page_fault+0x2f/0x40 [ 49.267024][ T393] ? copy_mount_options+0x1e8/0x320 [ 49.272219][ T393] ? copy_mount_options+0x293/0x320 [ 49.277428][ T393] ksys_mount+0xc2/0xf0 [ 49.281578][ T393] __x64_sys_mount+0xb1/0xc0 [ 49.286176][ T393] do_syscall_64+0xcb/0x150 [ 49.290667][ T393] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.296566][ T393] RIP: 0033:0x446359 [ 49.300446][ T393] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 49.320044][ T393] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 49.328463][ T393] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 49.336435][ T393] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 49.344396][ T393] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 49.352352][ T393] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 49.360321][ T393] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 49.368294][ T394] CPU: 1 PID: 394 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 49.378361][ T394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 m*] A start [ 49.388439][ T394] Call Trace: [ 49.393144][ T394] dump_stack+0x1dd/0x24e [ 49.397468][ T394] ? devkmsg_release+0x11c/0x11c job is running f[ 49.402392][ T394] ? show_regs_print_info+0x12/0x12 [ 49.408957][ T394] ? _raw_spin_lock_irqsave+0xf8/0x210 or dev-ttyS0.dev[ 49.414414][ T394] should_fail+0x6fb/0x860 ice (42s / 1min [ 49.420213][ T394] ? setup_fault_attr+0x3d0/0x3d0 [ 49.426623][ T394] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 49.432432][ T394] ? __kmem_cache_create+0x180/0x6f0 30s)[ 49.437805][ T394] should_failslab+0x5/0x20 [ 49.442628][ T394] kmem_cache_alloc+0x36/0x270 [ 49.447380][ T394] ? cache_random_seq_create+0x188/0x1c0 [ 49.453005][ T394] __kmem_cache_create+0x180/0x6f0 [ 49.458085][ T394] ? __should_failslab+0x92/0x150 [ 49.463095][ T394] ? create_cache+0x3b/0x1f0 [ 49.467654][ T394] ? kmem_cache_alloc+0x1e0/0x270 [ 49.472656][ T394] create_cache+0x156/0x1f0 [ 49.477145][ T394] kmem_cache_create_usercopy+0x145/0x1d0 [ 49.482863][ T394] p9_client_create+0x9ff/0xb90 [ 49.487698][ T394] ? p9_parse_header+0x6b0/0x6b0 [ 49.492627][ T394] ? __kasan_kmalloc+0x189/0x1c0 [ 49.497535][ T394] ? __kmalloc_track_caller+0x20e/0x2c0 [ 49.503079][ T394] ? vfs_get_tree+0x85/0x260 [ 49.508346][ T394] v9fs_session_init+0x208/0x1a00 [ 49.513359][ T394] ? v9fs_show_options+0x530/0x530 [ 49.518456][ T394] ? v9fs_mount+0x5c/0x790 [ 49.522856][ T394] ? kmem_cache_alloc_trace+0xc3/0x290 [ 49.528296][ T394] ? legacy_init_fs_context+0x4d/0xc0 [ 49.533649][ T394] v9fs_mount+0x7f/0x790 [ 49.537877][ T394] ? cap_capable+0x23f/0x280 [ 49.542435][ T394] legacy_get_tree+0xde/0x170 [ 49.547100][ T394] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 49.552811][ T394] vfs_get_tree+0x85/0x260 [ 49.557203][ T394] do_mount+0x18ab/0x2660 [ 49.561518][ T394] ? copy_mount_string+0x30/0x30 [ 49.566439][ T394] ? page_fault+0x2f/0x40 [ 49.570760][ T394] ? copy_mount_options+0x1e8/0x320 [ 49.575949][ T394] ? copy_mount_options+0x293/0x320 [ 49.581139][ T394] ksys_mount+0xc2/0xf0 [ 49.585317][ T394] __x64_sys_mount+0xb1/0xc0 [ 49.589924][ T394] do_syscall_64+0xcb/0x150 [ 49.594402][ T394] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.600263][ T394] RIP: 0033:0x446359 [ 49.604127][ T394] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 49.623715][ T394] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 49.632098][ T394] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 49.640081][ T394] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 49.649340][ T394] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 49.657302][ T394] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 49.665247][ T394] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 executing program [ 49.677558][ T394] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 49.677586][ T395] FAULT_INJECTION: forcing a failure. [ 49.677586][ T395] name failslab, interval 1, probability 0, space 0, times 0 [ 49.684826][ T394] CPU: 1 PID: 394 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 49.707328][ T394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.717463][ T394] Call Trace: [ 49.720742][ T394] dump_stack+0x1dd/0x24e [ 49.725068][ T394] ? devkmsg_release+0x11c/0x11c [ 49.729993][ T394] ? show_regs_print_info+0x12/0x12 [ 49.735183][ T394] ? create_cache+0x1cc/0x1f0 [ 49.740442][ T394] kmem_cache_create_usercopy+0x8c/0x1d0 [ 49.746075][ T394] p9_client_create+0x9ff/0xb90 [ 49.750915][ T394] ? p9_parse_header+0x6b0/0x6b0 [ 49.755837][ T394] ? __kasan_kmalloc+0x189/0x1c0 [ 49.760781][ T394] ? __kmalloc_track_caller+0x20e/0x2c0 [ 49.766316][ T394] ? vfs_get_tree+0x85/0x260 [ 49.770890][ T394] v9fs_session_init+0x208/0x1a00 [ 49.775911][ T394] ? v9fs_show_options+0x530/0x530 [ 49.781010][ T394] ? v9fs_mount+0x5c/0x790 [ 49.785409][ T394] ? kmem_cache_alloc_trace+0xc3/0x290 [ 49.790875][ T394] ? legacy_init_fs_context+0x4d/0xc0 [ 49.796228][ T394] v9fs_mount+0x7f/0x790 [ 49.800454][ T394] ? cap_capable+0x23f/0x280 [ 49.805029][ T394] legacy_get_tree+0xde/0x170 [ 49.809695][ T394] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 49.815406][ T394] vfs_get_tree+0x85/0x260 [ 49.819808][ T394] do_mount+0x18ab/0x2660 [ 49.824213][ T394] ? copy_mount_string+0x30/0x30 [ 49.829140][ T394] ? page_fault+0x2f/0x40 [ 49.833458][ T394] ? copy_mount_options+0x1e8/0x320 [ 49.838662][ T394] ? copy_mount_options+0x293/0x320 [ 49.843865][ T394] ksys_mount+0xc2/0xf0 [ 49.848011][ T394] __x64_sys_mount+0xb1/0xc0 [ 49.852592][ T394] do_syscall_64+0xcb/0x150 [ 49.857098][ T394] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.862984][ T394] RIP: 0033:0x446359 [ 49.866879][ T394] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 49.886487][ T394] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 49.894889][ T394] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 49.902889][ T394] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 49.910851][ T394] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 49.918810][ T394] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 49.926764][ T394] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 49.934747][ T395] CPU: 0 PID: 395 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 49.944819][ T395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.954871][ T395] Call Trace: [ 49.958144][ T395] dump_stack+0x1dd/0x24e [ 49.962452][ T395] ? devkmsg_release+0x11c/0x11c [ 49.967363][ T395] ? show_regs_print_info+0x12/0x12 [ 49.972548][ T395] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 49.978002][ T395] should_fail+0x6fb/0x860 [ 49.982438][ T395] ? setup_fault_attr+0x3d0/0x3d0 [ 49.987462][ T395] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 49.994040][ T395] ? __kmem_cache_create+0x180/0x6f0 [ 49.999316][ T395] should_failslab+0x5/0x20 [ 50.003798][ T395] kmem_cache_alloc+0x36/0x270 [ 50.008558][ T395] ? cache_random_seq_create+0x188/0x1c0 [ 50.014196][ T395] __kmem_cache_create+0x180/0x6f0 [ 50.019307][ T395] ? __should_failslab+0x92/0x150 [ 50.024316][ T395] ? create_cache+0x3b/0x1f0 [ 50.028939][ T395] ? kmem_cache_alloc+0x1e0/0x270 [ 50.033953][ T395] create_cache+0x156/0x1f0 [ 50.038478][ T395] kmem_cache_create_usercopy+0x145/0x1d0 [ 50.044191][ T395] p9_client_create+0x9ff/0xb90 [ 50.049027][ T395] ? p9_parse_header+0x6b0/0x6b0 [ 50.053968][ T395] ? __kasan_kmalloc+0x189/0x1c0 [ 50.058907][ T395] ? __kmalloc_track_caller+0x20e/0x2c0 [ 50.064446][ T395] ? vfs_get_tree+0x85/0x260 [ 50.069039][ T395] v9fs_session_init+0x208/0x1a00 [ 50.074037][ T395] ? v9fs_show_options+0x530/0x530 [ 50.079137][ T395] ? v9fs_mount+0x5c/0x790 [ 50.083525][ T395] ? kmem_cache_alloc_trace+0xc3/0x290 [ 50.088971][ T395] ? legacy_init_fs_context+0x4d/0xc0 [ 50.094517][ T395] v9fs_mount+0x7f/0x790 [ 50.098735][ T395] ? cap_capable+0x23f/0x280 [ 50.103315][ T395] legacy_get_tree+0xde/0x170 [ 50.107965][ T395] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 50.113671][ T395] vfs_get_tree+0x85/0x260 [ 50.118059][ T395] do_mount+0x18ab/0x2660 [ 50.122391][ T395] ? copy_mount_string+0x30/0x30 [ 50.127300][ T395] ? page_fault+0x2f/0x40 [ 50.131623][ T395] ? copy_mount_options+0x1e8/0x320 [ 50.136805][ T395] ? copy_mount_options+0x293/0x320 [ 50.141993][ T395] ksys_mount+0xc2/0xf0 [ 50.146124][ T395] __x64_sys_mount+0xb1/0xc0 [ 50.150700][ T395] do_syscall_64+0xcb/0x150 [ 50.155176][ T395] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.161040][ T395] RIP: 0033:0x446359 [ 50.164923][ T395] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 50.184515][ T395] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 50.192914][ T395] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 50.200883][ T395] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 50.208847][ T395] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 50.216822][ T395] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 50.224797][ T395] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ *[0[ 50.236142][ T396] FAULT_INJECTION: forcing a failure. [ 50.236142][ T396] name failslab, interval 1, probability 0, space 0, times 0 ;1;31m*] A s[ 50.248916][ T395] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 50.248929][ T395] CPU: 1 PID: 395 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 50.248933][ T395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.248936][ T395] Call Trace: tart job is runn[ 50.248952][ T395] dump_stack+0x1dd/0x24e [ 50.248963][ T395] ? devkmsg_release+0x11c/0x11c [ 50.248970][ T395] ? show_regs_print_info+0x12/0x12 ing for dev-ttyS[ 50.248979][ T395] ? create_cache+0x1cc/0x1f0 [ 50.248988][ T395] kmem_cache_create_usercopy+0x8c/0x1d0 [ 50.249004][ T395] p9_client_create+0x9ff/0xb90 [ 50.249014][ T395] ? p9_parse_header+0x6b0/0x6b0 0.device (43s / [ 50.249023][ T395] ? __kasan_kmalloc+0x189/0x1c0 [ 50.249032][ T395] ? __kmalloc_track_caller+0x20e/0x2c0 [ 50.249039][ T395] ? vfs_get_tree+0x85/0x260 [ 50.249050][ T395] v9fs_session_init+0x208/0x1a00 1min 30s)[ 50.249062][ T395] ? v9fs_show_options+0x530/0x530 [ 50.249072][ T395] ? v9fs_mount+0x5c/0x790 [ 50.249080][ T395] ? kmem_cache_alloc_trace+0xc3/0x290 [ 50.249089][ T395] ? legacy_init_fs_context+0x4d/0xc0 [ 50.249098][ T395] v9fs_mount+0x7f/0x790 [ 50.249106][ T395] ? cap_capable+0x23f/0x280 [ 50.249114][ T395] legacy_get_tree+0xde/0x170 [ 50.249122][ T395] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 50.249136][ T395] vfs_get_tree+0x85/0x260 [ 50.384272][ T395] do_mount+0x18ab/0x2660 [ 50.388593][ T395] ? copy_mount_string+0x30/0x30 [ 50.393510][ T395] ? page_fault+0x2f/0x40 [ 50.397828][ T395] ? copy_mount_options+0x1e8/0x320 [ 50.403009][ T395] ? copy_mount_options+0x293/0x320 [ 50.408189][ T395] ksys_mount+0xc2/0xf0 [ 50.412328][ T395] __x64_sys_mount+0xb1/0xc0 [ 50.416906][ T395] do_syscall_64+0xcb/0x150 [ 50.421394][ T395] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.427271][ T395] RIP: 0033:0x446359 [ 50.431157][ T395] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 50.450756][ T395] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 50.459258][ T395] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 50.467219][ T395] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 50.475177][ T395] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 50.483135][ T395] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 50.491141][ T395] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 50.499116][ T396] CPU: 0 PID: 396 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 50.509183][ T396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.519511][ T396] Call Trace: [ 50.522781][ T396] dump_stack+0x1dd/0x24e [ 50.527095][ T396] ? devkmsg_release+0x11c/0x11c [ 50.532107][ T396] ? show_regs_print_info+0x12/0x12 [ 50.537300][ T396] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 50.542760][ T396] should_fail+0x6fb/0x860 [ 50.547151][ T396] ? setup_fault_attr+0x3d0/0x3d0 [ 50.552173][ T396] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 50.558212][ T396] ? __kmem_cache_create+0x180/0x6f0 [ 50.563483][ T396] should_failslab+0x5/0x20 [ 50.567988][ T396] kmem_cache_alloc+0x36/0x270 [ 50.572727][ T396] ? cache_random_seq_create+0x188/0x1c0 [ 50.578350][ T396] __kmem_cache_create+0x180/0x6f0 [ 50.583451][ T396] ? __should_failslab+0x92/0x150 [ 50.588466][ T396] ? create_cache+0x3b/0x1f0 [ 50.593118][ T396] ? kmem_cache_alloc+0x1e0/0x270 [ 50.598124][ T396] create_cache+0x156/0x1f0 [ 50.602628][ T396] kmem_cache_create_usercopy+0x145/0x1d0 [ 50.608340][ T396] p9_client_create+0x9ff/0xb90 [ 50.613164][ T396] ? p9_parse_header+0x6b0/0x6b0 [ 50.618086][ T396] ? __kasan_kmalloc+0x189/0x1c0 [ 50.623010][ T396] ? __kmalloc_track_caller+0x20e/0x2c0 [ 50.628524][ T396] ? vfs_get_tree+0x85/0x260 [ 50.633123][ T396] v9fs_session_init+0x208/0x1a00 [ 50.638132][ T396] ? v9fs_show_options+0x530/0x530 [ 50.643224][ T396] ? v9fs_mount+0x5c/0x790 [ 50.647639][ T396] ? kmem_cache_alloc_trace+0xc3/0x290 [ 50.653266][ T396] ? legacy_init_fs_context+0x4d/0xc0 [ 50.658638][ T396] v9fs_mount+0x7f/0x790 [ 50.662853][ T396] ? cap_capable+0x23f/0x280 [ 50.667414][ T396] legacy_get_tree+0xde/0x170 [ 50.672082][ T396] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 50.677778][ T396] vfs_get_tree+0x85/0x260 [ 50.682186][ T396] do_mount+0x18ab/0x2660 [ 50.686500][ T396] ? copy_mount_string+0x30/0x30 [ 50.691419][ T396] ? page_fault+0x2f/0x40 [ 50.695721][ T396] ? copy_mount_options+0x1e8/0x320 [ 50.700900][ T396] ? copy_mount_options+0x293/0x320 [ 50.706074][ T396] ksys_mount+0xc2/0xf0 [ 50.710201][ T396] __x64_sys_mount+0xb1/0xc0 [ 50.714768][ T396] do_syscall_64+0xcb/0x150 [ 50.719243][ T396] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.725110][ T396] RIP: 0033:0x446359 [ 50.729000][ T396] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 50.748822][ T396] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 50.757245][ T396] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 50.765287][ T396] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 50.773237][ T396] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 50.781190][ T396] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 50.789135][ T396] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 50.797248][ T396] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 50.804362][ T396] CPU: 0 PID: 396 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 50.807373][ T397] FAULT_INJECTION: forcing a failure. [ 50.807373][ T397] name failslab, interval 1, probability 0, space 0, times 0 [ 50.814425][ T396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.837045][ T396] Call Trace: [ 50.840656][ T396] dump_stack+0x1dd/0x24e [ 50.844976][ T396] ? devkmsg_release+0x11c/0x11c [ 50.849920][ T396] ? show_regs_print_info+0x12/0x12 [ 50.855112][ T396] ? create_cache+0x1cc/0x1f0 [ 50.859778][ T396] kmem_cache_create_usercopy+0x8c/0x1d0 [ 50.865398][ T396] p9_client_create+0x9ff/0xb90 [ 50.870245][ T396] ? p9_parse_header+0x6b0/0x6b0 [ 50.875171][ T396] ? __kasan_kmalloc+0x189/0x1c0 [ 50.880095][ T396] ? __kmalloc_track_caller+0x20e/0x2c0 [ 50.885621][ T396] ? vfs_get_tree+0x85/0x260 [ 50.890209][ T396] v9fs_session_init+0x208/0x1a00 [ 50.895227][ T396] ? v9fs_show_options+0x530/0x530 [ 50.900341][ T396] ? v9fs_mount+0x5c/0x790 [ 50.904742][ T396] ? kmem_cache_alloc_trace+0xc3/0x290 [ 50.910187][ T396] ? legacy_init_fs_context+0x4d/0xc0 [ 50.915564][ T396] v9fs_mount+0x7f/0x790 [ 50.919792][ T396] ? cap_capable+0x23f/0x280 [ 50.924365][ T396] legacy_get_tree+0xde/0x170 [ 50.929027][ T396] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 50.934734][ T396] vfs_get_tree+0x85/0x260 [ 50.939339][ T396] do_mount+0x18ab/0x2660 [ 50.943658][ T396] ? copy_mount_string+0x30/0x30 [ 50.948579][ T396] ? page_fault+0x2f/0x40 [ 50.952918][ T396] ? copy_mount_options+0x1e8/0x320 [ 50.958130][ T396] ? copy_mount_options+0x293/0x320 [ 50.963321][ T396] ksys_mount+0xc2/0xf0 [ 50.967488][ T396] __x64_sys_mount+0xb1/0xc0 [ 50.972069][ T396] do_syscall_64+0xcb/0x150 [ 50.976562][ T396] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.982442][ T396] RIP: 0033:0x446359 [ 50.986324][ T396] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 51.005916][ T396] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 51.014319][ T396] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 51.022284][ T396] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 51.030247][ T396] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 51.038212][ T396] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 51.046178][ T396] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 51.054158][ T397] CPU: 1 PID: 397 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 51.064325][ T397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.064329][ T397] Call Trace: [ 51.064344][ T397] dump_stack+0x1dd/0x24e [ 51.064356][ T397] ? devkmsg_release+0x11c/0x11c [ 51.064364][ T397] ? show_regs_print_info+0x12/0x12 [ 51.064373][ T397] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 51.064383][ T397] should_fail+0x6fb/0x860 [ 51.064398][ T397] ? setup_fault_attr+0x3d0/0x3d0 [ 51.107749][ T397] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 51.115343][ T397] ? __kmem_cache_create+0x180/0x6f0 [ 51.120641][ T397] should_failslab+0x5/0x20 [ 51.125152][ T397] kmem_cache_alloc+0x36/0x270 [ 51.129920][ T397] ? cache_random_seq_create+0x188/0x1c0 [ 51.135542][ T397] __kmem_cache_create+0x180/0x6f0 [ 51.140643][ T397] ? __should_failslab+0x92/0x150 [ 51.145670][ T397] ? create_cache+0x3b/0x1f0 [ 51.150262][ T397] ? kmem_cache_alloc+0x1e0/0x270 [ 51.155302][ T397] create_cache+0x156/0x1f0 [ 51.159810][ T397] kmem_cache_create_usercopy+0x145/0x1d0 [ 51.165528][ T397] p9_client_create+0x9ff/0xb90 [ 51.170372][ T397] ? p9_parse_header+0x6b0/0x6b0 [ 51.175303][ T397] ? __kasan_kmalloc+0x189/0x1c0 [ 51.180245][ T397] ? __kmalloc_track_caller+0x20e/0x2c0 [ 51.185793][ T397] ? vfs_get_tree+0x85/0x260 [ 51.190375][ T397] v9fs_session_init+0x208/0x1a00 [ 51.195399][ T397] ? v9fs_show_options+0x530/0x530 [ 51.200516][ T397] ? v9fs_mount+0x5c/0x790 [ [0;31[ 51.204923][ T397] ? kmem_cache_alloc_trace+0xc3/0x290 [ 51.211769][ T397] ? legacy_init_fs_context+0x4d/0xc0 [ 51.217145][ T397] v9fs_mount+0x7f/0x790 [ 51.221389][ T397] ? cap_capable+0x23f/0x280 [ 51.225997][ T397] legacy_get_tree+0xde/0x170 [ 51.230666][ T397] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 51.236391][ T397] vfs_get_tree+0x85/0x260 [ 51.240814][ T397] do_mount+0x18ab/0x2660 m*] A start [ 51.245140][ T397] ? copy_mount_string+0x30/0x30 [ 51.251470][ T397] ? page_fault+0x2f/0x40 [ 51.255799][ T397] ? copy_mount_options+0x1e8/0x320 [ 51.261007][ T397] ? copy_mount_options+0x293/0x320 job is running f[ 51.266222][ T397] ksys_mount+0xc2/0xf0 [ 51.271765][ T397] __x64_sys_mount+0xb1/0xc0 [ 51.276363][ T397] do_syscall_64+0xcb/0x150 [ 51.280861][ T397] entry_SYSCALL_64_after_hwframe+0x44/0xa9 or dev-ttyS0.dev[ 51.286749][ T397] RIP: 0033:0x446359 [ 51.292024][ T397] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 51.311684][ T397] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 51.320134][ T397] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 ice (44s / 1min [ 51.328134][ T397] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 executing program [ 51.337478][ T397] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 51.345466][ T397] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 51.353450][ T397] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 30s)[ 51.366812][ T398] FAULT_INJECTION: forcing a failure. [ 51.366812][ T398] name failslab, interval 1, probability 0, space 0, times 0 [ 51.379578][ T397] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 51.386845][ T398] CPU: 0 PID: 398 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 51.386857][ T398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.406958][ T398] Call Trace: [ 51.410246][ T398] dump_stack+0x1dd/0x24e [ 51.414576][ T398] ? devkmsg_release+0x11c/0x11c [ 51.419529][ T398] ? show_regs_print_info+0x12/0x12 [ 51.424719][ T398] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 51.430173][ T398] should_fail+0x6fb/0x860 [ 51.434587][ T398] ? setup_fault_attr+0x3d0/0x3d0 [ 51.439631][ T398] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 51.445435][ T398] ? __kmem_cache_create+0x180/0x6f0 [ 51.450714][ T398] should_failslab+0x5/0x20 [ 51.455212][ T398] kmem_cache_alloc+0x36/0x270 [ 51.459967][ T398] ? cache_random_seq_create+0x188/0x1c0 [ 51.465590][ T398] __kmem_cache_create+0x180/0x6f0 [ 51.471655][ T398] ? __should_failslab+0x92/0x150 [ 51.476665][ T398] ? create_cache+0x3b/0x1f0 [ 51.481240][ T398] ? kmem_cache_alloc+0x1e0/0x270 [ 51.486250][ T398] create_cache+0x156/0x1f0 [ 51.490743][ T398] kmem_cache_create_usercopy+0x145/0x1d0 [ 51.496463][ T398] p9_client_create+0x9ff/0xb90 [ 51.501303][ T398] ? p9_parse_header+0x6b0/0x6b0 [ 51.506229][ T398] ? __kasan_kmalloc+0x189/0x1c0 [ 51.511154][ T398] ? __kmalloc_track_caller+0x20e/0x2c0 [ 51.516706][ T398] ? vfs_get_tree+0x85/0x260 [ 51.521287][ T398] v9fs_session_init+0x208/0x1a00 [ 51.526303][ T398] ? v9fs_show_options+0x530/0x530 [ 51.531418][ T398] ? v9fs_mount+0x5c/0x790 [ 51.535819][ T398] ? kmem_cache_alloc_trace+0xc3/0x290 [ 51.541277][ T398] ? legacy_init_fs_context+0x4d/0xc0 [ 51.546640][ T398] v9fs_mount+0x7f/0x790 [ 51.550870][ T398] ? cap_capable+0x23f/0x280 [ 51.555446][ T398] legacy_get_tree+0xde/0x170 [ 51.560114][ T398] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 51.565836][ T398] vfs_get_tree+0x85/0x260 [ 51.570251][ T398] do_mount+0x18ab/0x2660 [ 51.574579][ T398] ? copy_mount_string+0x30/0x30 [ 51.579511][ T398] ? page_fault+0x2f/0x40 [ 51.583839][ T398] ? copy_mount_options+0x1e8/0x320 [ 51.589027][ T398] ? copy_mount_options+0x293/0x320 [ 51.594218][ T398] ksys_mount+0xc2/0xf0 [ 51.598367][ T398] __x64_sys_mount+0xb1/0xc0 [ 51.602947][ T398] do_syscall_64+0xcb/0x150 [ 51.607442][ T398] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.613322][ T398] RIP: 0033:0x446359 [ 51.617199][ T398] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 51.636798][ T398] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 51.645289][ T398] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 51.653251][ T398] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 51.661214][ T398] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 51.669178][ T398] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 51.677141][ T398] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 51.685123][ T397] CPU: 1 PID: 397 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 51.695185][ T397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.698257][ T399] FAULT_INJECTION: forcing a failure. [ 51.698257][ T399] name failslab, interval 1, probability 0, space 0, times 0 [ 51.705233][ T397] Call Trace: [ 51.705249][ T397] dump_stack+0x1dd/0x24e [ 51.705260][ T397] ? devkmsg_release+0x11c/0x11c [ 51.705274][ T397] ? show_regs_print_info+0x12/0x12 [ 51.717901][ T398] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 51.721151][ T397] ? create_cache+0x1cc/0x1f0 [ 51.721170][ T397] kmem_cache_create_usercopy+0x8c/0x1d0 [ 51.753018][ T397] p9_client_create+0x9ff/0xb90 [ 51.757896][ T397] ? p9_parse_header+0x6b0/0x6b0 [ 51.762833][ T397] ? __kasan_kmalloc+0x189/0x1c0 [ 51.767763][ T397] ? __kmalloc_track_caller+0x20e/0x2c0 [ 51.773298][ T397] ? vfs_get_tree+0x85/0x260 [ 51.777880][ T397] v9fs_session_init+0x208/0x1a00 [ 51.782916][ T397] ? v9fs_show_options+0x530/0x530 [ 51.788030][ T397] ? v9fs_mount+0x5c/0x790 [ 51.792469][ T397] ? kmem_cache_alloc_trace+0xc3/0x290 [ 51.797921][ T397] ? legacy_init_fs_context+0x4d/0xc0 [ 51.803305][ T397] v9fs_mount+0x7f/0x790 [ 51.807563][ T397] ? cap_capable+0x23f/0x280 [ 51.812146][ T397] legacy_get_tree+0xde/0x170 [ 51.816841][ T397] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 51.822553][ T397] vfs_get_tree+0x85/0x260 [ 51.826963][ T397] do_mount+0x18ab/0x2660 [ 51.831282][ T397] ? copy_mount_string+0x30/0x30 [ 51.836204][ T397] ? page_fault+0x2f/0x40 [ 51.840545][ T397] ? copy_mount_options+0x1e8/0x320 [ 51.845740][ T397] ? copy_mount_options+0x293/0x320 [ 51.850940][ T397] ksys_mount+0xc2/0xf0 [ 51.855087][ T397] __x64_sys_mount+0xb1/0xc0 [ 51.859663][ T397] do_syscall_64+0xcb/0x150 [ 51.864154][ T397] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.870033][ T397] RIP: 0033:0x446359 [ 51.873920][ T397] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 51.893516][ T397] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 51.901945][ T397] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 51.909908][ T397] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 51.917893][ T397] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 51.925854][ T397] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 51.933816][ T397] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 51.941797][ T399] CPU: 0 PID: 399 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 51.951864][ T399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.961911][ T399] Call Trace: [ 51.965203][ T399] dump_stack+0x1dd/0x24e [ 51.969533][ T399] ? devkmsg_release+0x11c/0x11c [ 51.974463][ T399] ? show_regs_print_info+0x12/0x12 [ 51.979654][ T399] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 51.985104][ T399] should_fail+0x6fb/0x860 [ 51.989514][ T399] ? setup_fault_attr+0x3d0/0x3d0 [ 51.994533][ T399] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 52.000372][ T399] ? __kmem_cache_create+0x180/0x6f0 [ 52.005646][ T399] should_failslab+0x5/0x20 [ 52.010223][ T399] kmem_cache_alloc+0x36/0x270 [ 52.014995][ T399] ? cache_random_seq_create+0x188/0x1c0 [ 52.020611][ T399] __kmem_cache_create+0x180/0x6f0 [ 52.025707][ T399] ? __should_failslab+0x92/0x150 [ 52.030737][ T399] ? create_cache+0x3b/0x1f0 [ 52.035326][ T399] ? kmem_cache_alloc+0x1e0/0x270 [ 52.040334][ T399] create_cache+0x156/0x1f0 [ 52.044844][ T399] kmem_cache_create_usercopy+0x145/0x1d0 [ 52.050557][ T399] p9_client_create+0x9ff/0xb90 [ 52.055400][ T399] ? p9_parse_header+0x6b0/0x6b0 [ 52.060322][ T399] ? __kasan_kmalloc+0x189/0x1c0 [ 52.065245][ T399] ? __kmalloc_track_caller+0x20e/0x2c0 [ 52.070769][ T399] ? vfs_get_tree+0x85/0x260 [ 52.075344][ T399] v9fs_session_init+0x208/0x1a00 [ 52.080366][ T399] ? v9fs_show_options+0x530/0x530 [ 52.085577][ T399] ? v9fs_mount+0x5c/0x790 [ 52.089985][ T399] ? kmem_cache_alloc_trace+0xc3/0x290 [ 52.095428][ T399] ? legacy_init_fs_context+0x4d/0xc0 [ 52.100785][ T399] v9fs_mount+0x7f/0x790 [ 52.105017][ T399] ? cap_capable+0x23f/0x280 [ 52.109596][ T399] legacy_get_tree+0xde/0x170 [ 52.114261][ T399] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 52.119982][ T399] vfs_get_tree+0x85/0x260 [ 52.124385][ T399] do_mount+0x18ab/0x2660 [ 52.128701][ T399] ? copy_mount_string+0x30/0x30 [ 52.133622][ T399] ? page_fault+0x2f/0x40 [ 52.137953][ T399] ? copy_mount_options+0x1e8/0x320 [ 52.143136][ T399] ? copy_mount_options+0x293/0x320 [ 52.148315][ T399] ksys_mount+0xc2/0xf0 [ 52.152458][ T399] __x64_sys_mount+0xb1/0xc0 [ 52.157057][ T399] do_syscall_64+0xcb/0x150 [ 52.161553][ T399] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.167453][ T399] RIP: 0033:0x446359 [ 52.171330][ T399] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 52.191010][ T399] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 52.199419][ T399] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 52.207380][ T399] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 52.215357][ T399] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 52.223314][ T399] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 52.231293][ T399] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 52.239260][ T398] CPU: 1 PID: 398 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 52.249368][ T398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.259428][ T398] Call Trace: [ 52.259447][ T398] dump_stack+0x1dd/0x24e [ 52.267083][ T398] ? devkmsg_release+0x11c/0x11c [ 52.272055][ T398] ? show_regs_print_info+0x12/0x12 [ 52.277288][ T398] ? create_cache+0x1cc/0x1f0 [ 52.282007][ T398] kmem_cache_create_usercopy+0x8c/0x1d0 [ 52.287653][ T398] p9_client_create+0x9ff/0xb90 [ 52.292514][ T398] ? p9_parse_header+0x6b0/0x6b0 [ 52.297554][ T398] ? __kasan_kmalloc+0x189/0x1c0 [[ 52.302492][ T398] ? __kmalloc_track_caller+0x20e/0x2c0 [ 52.308457][ T398] ? vfs_get_tree+0x85/0x260 [ 52.313137][ T398] v9fs_session_init+0x208/0x1a00 [ 52.318168][ T398] ? v9fs_show_options+0x530/0x530 [ 52.323270][ T398] ? v9fs_mount+0x5c/0x790 [ 52.327683][ T398] ? kmem_cache_alloc_trace+0xc3/0x290 [ 52.333149][ T398] ? legacy_init_fs_context+0x4d/0xc0 [ 52.338519][ T398] v9fs_mount+0x7f/0x790 [ 52.342764][ T398] ? cap_capable+0x23f/0x280 [ 52.347361][ T398] legacy_get_tree+0xde/0x170 [ 52.352040][ T398] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 52.357762][ T398] vfs_get_tree+0x85/0x260 *[0;[ 52.357862][ T399] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 52.362181][ T398] do_mount+0x18ab/0x2660 1;31m*] A st[ 52.362191][ T398] ? copy_mount_string+0x30/0x30 [ 52.362199][ T398] ? page_fault+0x2f/0x40 [ 52.362208][ T398] ? copy_mount_options+0x1e8/0x320 [ 52.362216][ T398] ? copy_mount_options+0x293/0x320 art job is runni[ 52.362223][ T398] ksys_mount+0xc2/0xf0 [ 52.362231][ T398] __x64_sys_mount+0xb1/0xc0 [ 52.362241][ T398] do_syscall_64+0xcb/0x150 [ 52.362250][ T398] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.362258][ T398] RIP: 0033:0x446359 [ 52.362267][ T398] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 52.362272][ T398] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 52.362280][ T398] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 52.362285][ T398] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 52.362290][ T398] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 52.362295][ T398] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 52.362299][ T398] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 52.362807][ T400] FAULT_INJECTION: forcing a failure. [ 52.362807][ T400] name failslab, interval 1, probability 0, space 0, times 0 [ 52.409401][ T399] CPU: 0 PID: 399 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 52.510852][ T399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.520900][ T399] Call Trace: [ 52.524184][ T399] dump_stack+0x1dd/0x24e [ 52.528506][ T399] ? devkmsg_release+0x11c/0x11c [ 52.533441][ T399] ? show_regs_print_info+0x12/0x12 [ 52.538631][ T399] ? create_cache+0x1cc/0x1f0 [ 52.543300][ T399] kmem_cache_create_usercopy+0x8c/0x1d0 [ 52.548925][ T399] p9_client_create+0x9ff/0xb90 [ 52.553771][ T399] ? p9_parse_header+0x6b0/0x6b0 [ 52.558726][ T399] ? __kasan_kmalloc+0x189/0x1c0 [ 52.563660][ T399] ? __kmalloc_track_caller+0x20e/0x2c0 [ 52.569201][ T399] ? vfs_get_tree+0x85/0x260 [ 52.573791][ T399] v9fs_session_init+0x208/0x1a00 [ 52.578817][ T399] ? v9fs_show_options+0x530/0x530 [ 52.583929][ T399] ? v9fs_mount+0x5c/0x790 [ 52.588343][ T399] ? kmem_cache_alloc_trace+0xc3/0x290 [ 52.593823][ T399] ? legacy_init_fs_context+0x4d/0xc0 [ 52.599188][ T399] v9fs_mount+0x7f/0x790 [ 52.603423][ T399] ? cap_capable+0x23f/0x280 [ 52.607999][ T399] legacy_get_tree+0xde/0x170 [ 52.612663][ T399] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 52.618371][ T399] vfs_get_tree+0x85/0x260 [ 52.622776][ T399] do_mount+0x18ab/0x2660 [ 52.627096][ T399] ? copy_mount_string+0x30/0x30 [ 52.632041][ T399] ? page_fault+0x2f/0x40 [ 52.636363][ T399] ? copy_mount_options+0x1e8/0x320 [ 52.641552][ T399] ? copy_mount_options+0x293/0x320 [ 52.646736][ T399] ksys_mount+0xc2/0xf0 [ 52.650878][ T399] __x64_sys_mount+0xb1/0xc0 [ 52.655468][ T399] do_syscall_64+0xcb/0x150 [ 52.659984][ T399] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.665863][ T399] RIP: 0033:0x446359 [ 52.669761][ T399] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 52.689354][ T399] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 52.697770][ T399] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 52.705746][ T399] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 52.713703][ T399] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 52.721659][ T399] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 52.729616][ T399] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 executing program executing program [ 52.737587][ T400] CPU: 1 PID: 400 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 52.747653][ T400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ng for dev-ttyS0[ 52.757704][ T400] Call Trace: [ 52.762373][ T400] dump_stack+0x1dd/0x24e .device (45s / 1[ 52.766710][ T400] ? devkmsg_release+0x11c/0x11c [ 52.773005][ T400] ? show_regs_print_info+0x12/0x12 min 30s)[ 52.778196][ T400] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 52.784422][ T400] should_fail+0x6fb/0x860 [ 52.788832][ T400] ? setup_fault_attr+0x3d0/0x3d0 [ 52.793847][ T400] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 52.799643][ T400] ? __kmem_cache_create+0x180/0x6f0 [ 52.804921][ T400] should_failslab+0x5/0x20 [ 52.809464][ T400] kmem_cache_alloc+0x36/0x270 [ 52.814278][ T400] ? cache_random_seq_create+0x188/0x1c0 [ 52.819909][ T400] __kmem_cache_create+0x180/0x6f0 [ 52.825002][ T400] ? __should_failslab+0x92/0x150 [ 52.830047][ T400] ? create_cache+0x3b/0x1f0 [ 52.834608][ T400] ? kmem_cache_alloc+0x1e0/0x270 [ 52.840043][ T400] create_cache+0x156/0x1f0 [ 52.844519][ T400] kmem_cache_create_usercopy+0x145/0x1d0 [ 52.850215][ T400] p9_client_create+0x9ff/0xb90 [ 52.855045][ T400] ? p9_parse_header+0x6b0/0x6b0 [ 52.859968][ T400] ? __kasan_kmalloc+0x189/0x1c0 [ 52.864891][ T400] ? __kmalloc_track_caller+0x20e/0x2c0 [ 52.870425][ T400] ? vfs_get_tree+0x85/0x260 [ 52.875039][ T400] v9fs_session_init+0x208/0x1a00 [ 52.880043][ T400] ? v9fs_show_options+0x530/0x530 [ 52.885139][ T400] ? v9fs_mount+0x5c/0x790 [ 52.889533][ T400] ? kmem_cache_alloc_trace+0xc3/0x290 [ 52.894970][ T400] ? legacy_init_fs_context+0x4d/0xc0 [ 52.900327][ T400] v9fs_mount+0x7f/0x790 [ 52.904598][ T400] ? cap_capable+0x23f/0x280 [ 52.909189][ T400] legacy_get_tree+0xde/0x170 [ 52.913851][ T400] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 52.919551][ T400] vfs_get_tree+0x85/0x260 [ 52.923940][ T400] do_mount+0x18ab/0x2660 [ 52.928283][ T400] ? copy_mount_string+0x30/0x30 [ 52.933195][ T400] ? page_fault+0x2f/0x40 [ 52.937521][ T400] ? copy_mount_options+0x1e8/0x320 [ 52.942704][ T400] ? copy_mount_options+0x293/0x320 [ 52.947919][ T400] ksys_mount+0xc2/0xf0 [ 52.952060][ T400] __x64_sys_mount+0xb1/0xc0 [ 52.956639][ T400] do_syscall_64+0xcb/0x150 [ 52.961121][ T400] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.967014][ T400] RIP: 0033:0x446359 [ 52.970881][ T400] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 52.990463][ T400] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 52.998853][ T400] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 53.006798][ T400] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 53.014841][ T400] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 53.022782][ T400] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 53.030735][ T400] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 53.039298][ T401] FAULT_INJECTION: forcing a failure. [ 53.039298][ T401] name failslab, interval 1, probability 0, space 0, times 0 [ 53.045746][ T400] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 53.051933][ T401] CPU: 1 PID: 401 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 53.069046][ T401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.079094][ T401] Call Trace: [ 53.082386][ T401] dump_stack+0x1dd/0x24e [ 53.086708][ T401] ? devkmsg_release+0x11c/0x11c [ 53.091653][ T401] ? show_regs_print_info+0x12/0x12 [ 53.096837][ T401] ? kmem_cache_alloc+0x1e0/0x270 [ 53.101864][ T401] ? kmem_cache_create_usercopy+0x145/0x1d0 [ 53.107739][ T401] ? p9_client_create+0x9ff/0xb90 [ 53.112768][ T401] ? v9fs_session_init+0x208/0x1a00 [ 53.117948][ T401] ? legacy_get_tree+0xde/0x170 [ 53.122780][ T401] ? vfs_get_tree+0x85/0x260 [ 53.127355][ T401] ? do_mount+0x18ab/0x2660 [ 53.131838][ T401] ? ksys_mount+0xc2/0xf0 [ 53.136153][ T401] should_fail+0x6fb/0x860 [ 53.140556][ T401] ? setup_fault_attr+0x3d0/0x3d0 [ 53.145583][ T401] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 53.151023][ T401] ? _raw_spin_lock+0x1b0/0x1b0 [ 53.155863][ T401] ? cache_random_seq_create+0x7f/0x1c0 [ 53.161416][ T401] should_failslab+0x5/0x20 [ 53.165902][ T401] __kmalloc+0x5f/0x2d0 [ 53.170065][ T401] cache_random_seq_create+0x7f/0x1c0 [ 53.175446][ T401] __kmem_cache_create+0x497/0x6f0 [ 53.180542][ T401] ? __should_failslab+0x92/0x150 [ 53.185559][ T401] ? create_cache+0x3b/0x1f0 [ 53.190131][ T401] ? kmem_cache_alloc+0x1e0/0x270 [ 53.195161][ T401] create_cache+0x156/0x1f0 [ 53.199649][ T401] kmem_cache_create_usercopy+0x145/0x1d0 [ 53.205352][ T401] p9_client_create+0x9ff/0xb90 [ 53.210198][ T401] ? p9_parse_header+0x6b0/0x6b0 [ 53.215121][ T401] ? __kasan_kmalloc+0x189/0x1c0 [ 53.220051][ T401] ? __kmalloc_track_caller+0x20e/0x2c0 [ 53.225579][ T401] ? vfs_get_tree+0x85/0x260 [ 53.230179][ T401] v9fs_session_init+0x208/0x1a00 [ 53.235204][ T401] ? v9fs_show_options+0x530/0x530 [ 53.240337][ T401] ? v9fs_mount+0x5c/0x790 [ 53.244745][ T401] ? kmem_cache_alloc_trace+0xc3/0x290 [ 53.250190][ T401] ? legacy_init_fs_context+0x4d/0xc0 [ 53.255547][ T401] v9fs_mount+0x7f/0x790 [ 53.259777][ T401] ? cap_capable+0x23f/0x280 [ 53.264360][ T401] legacy_get_tree+0xde/0x170 [ 53.269035][ T401] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 53.274742][ T401] vfs_get_tree+0x85/0x260 [ 53.279247][ T401] do_mount+0x18ab/0x2660 [ 53.283564][ T401] ? copy_mount_string+0x30/0x30 [ 53.288507][ T401] ? page_fault+0x2f/0x40 [ 53.292828][ T401] ? copy_mount_options+0x1e8/0x320 [ 53.298008][ T401] ? copy_mount_options+0x293/0x320 [ 53.303202][ T401] ksys_mount+0xc2/0xf0 [ 53.307381][ T401] __x64_sys_mount+0xb1/0xc0 [ 53.307391][ T401] do_syscall_64+0xcb/0x150 [ 53.307406][ T401] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.322333][ T401] RIP: 0033:0x446359 [ 53.326212][ T401] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 53.346078][ T401] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 53.354475][ T401] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 53.362435][ T401] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 53.370448][ T401] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 53.378412][ T401] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 53.386393][ T401] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [[ 53.394495][ T400] CPU: 0 PID: 400 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 53.404876][ T400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.405286][ T401] SLUB: Unable to initialize free list for 9p-fcall-cache [ 53.414945][ T400] Call Trace: [ 53.414964][ T400] dump_stack+0x1dd/0x24e [ 53.414974][ T400] ? devkmsg_release+0x11c/0x11c [ 53.414981][ T400] ? show_regs_print_info+0x12/0x12 [ 53.414997][ T400] ? create_cache+0x1cc/0x1f0 [ 53.427303][ T401] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 53.429782][ T400] kmem_cache_create_usercopy+0x8c/0x1d0 [ 53.429794][ T400] p9_client_create+0x9ff/0xb90 [ 53.429806][ T400] ? p9_parse_header+0x6b0/0x6b0 [ 53.467042][ T400] ? __kasan_kmalloc+0x189/0x1c0 [ 53.472002][ T400] ? __kmalloc_track_caller+0x20e/0x2c0 [ 53.477580][ T400] ? vfs_get_tree+0x85/0x260 [ 53.482205][ T400] v9fs_session_init+0x208/0x1a00 [ 53.487239][ T400] ? v9fs_show_options+0x530/0x530 [ 53.492354][ T400] ? v9fs_mount+0x5c/0x790 [ 53.496760][ T400] ? kmem_cache_alloc_trace+0xc3/0x290 [ 53.502265][ T400] ? legacy_init_fs_context+0x4d/0xc0 [ 53.507684][ T400] v9fs_mount+0x7f/0x790 [ 53.511921][ T400] ? cap_capable+0x23f/0x280 [ 53.516517][ T400] legacy_get_tree+0xde/0x170 [ 53.521190][ T400] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 53.525578][ T402] FAULT_INJECTION: forcing a failure. [ 53.525578][ T402] name failslab, interval 1, probability 0, space 0, times 0 [ 53.526909][ T400] vfs_get_tree+0x85/0x260 [ 53.543921][ T400] do_mount+0x18ab/0x2660 [ 53.548261][ T400] ? copy_mount_string+0x30/0x30 [ 53.553197][ T400] ? page_fault+0x2f/0x40 [ 53.557539][ T400] ? copy_mount_options+0x1e8/0x320 [ 53.562736][ T400] ? copy_mount_options+0x293/0x320 [ 53.567939][ T400] ksys_mount+0xc2/0xf0 [ 53.572085][ T400] __x64_sys_mount+0xb1/0xc0 [ 53.576663][ T400] do_syscall_64+0xcb/0x150 [ 53.581160][ T400] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.587057][ T400] RIP: 0033:0x446359 [ 53.590941][ T400] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 53.610546][ T400] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 53.618971][ T400] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 53.626939][ T400] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 53.634913][ T400] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 53.642883][ T400] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 53.650847][ T400] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 53.658822][ T402] CPU: 1 PID: 402 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 *[0;1[ 53.668899][ T402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ;31m*[ 53.680336][ T402] Call Trace: *] A start j[ 53.685003][ T402] dump_stack+0x1dd/0x24e ob is running fo[ 53.690714][ T402] ? devkmsg_release+0x11c/0x11c r dev-ttyS0.devi[ 53.697032][ T402] ? show_regs_print_info+0x12/0x12 ce (46s / 1min 3[ 53.703603][ T402] ? _raw_spin_unlock_irqrestore+0x57/0x80 0s)[ 53.710778][ T402] should_fail+0x6fb/0x860 [ 53.715430][ T402] ? setup_fault_attr+0x3d0/0x3d0 [ 53.720443][ T402] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 53.726237][ T402] ? __kmem_cache_create+0x180/0x6f0 [ 53.731509][ T402] should_failslab+0x5/0x20 [ 53.736005][ T402] kmem_cache_alloc+0x36/0x270 [ 53.740761][ T402] ? cache_random_seq_create+0x188/0x1c0 [ 53.746387][ T402] __kmem_cache_create+0x180/0x6f0 [ 53.751486][ T402] ? __should_failslab+0x92/0x150 [ 53.756496][ T402] ? create_cache+0x3b/0x1f0 [ 53.761072][ T402] ? kmem_cache_alloc+0x1e0/0x270 [ 53.766085][ T402] create_cache+0x156/0x1f0 [ 53.770596][ T402] kmem_cache_create_usercopy+0x145/0x1d0 [ 53.776305][ T402] p9_client_create+0x9ff/0xb90 [ 53.781149][ T402] ? p9_parse_header+0x6b0/0x6b0 [ 53.786082][ T402] ? __kasan_kmalloc+0x189/0x1c0 [ 53.791009][ T402] ? __kmalloc_track_caller+0x20e/0x2c0 [ 53.796548][ T402] ? vfs_get_tree+0x85/0x260 [ 53.801128][ T402] v9fs_session_init+0x208/0x1a00 [ 53.806152][ T402] ? v9fs_show_options+0x530/0x530 [ 53.811259][ T402] ? v9fs_mount+0x5c/0x790 [ 53.815665][ T402] ? kmem_cache_alloc_trace+0xc3/0x290 [ 53.821118][ T402] ? legacy_init_fs_context+0x4d/0xc0 [ 53.826502][ T402] v9fs_mount+0x7f/0x790 [ 53.830736][ T402] ? cap_capable+0x23f/0x280 [ 53.835340][ T402] legacy_get_tree+0xde/0x170 [ 53.840019][ T402] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 53.845735][ T402] vfs_get_tree+0x85/0x260 [ 53.850149][ T402] do_mount+0x18ab/0x2660 [ 53.854521][ T402] ? copy_mount_string+0x30/0x30 [ 53.859452][ T402] ? page_fault+0x2f/0x40 [ 53.863780][ T402] ? copy_mount_options+0x1e8/0x320 [ 53.868964][ T402] ? copy_mount_options+0x293/0x320 [ 53.874159][ T402] ksys_mount+0xc2/0xf0 [ 53.878309][ T402] __x64_sys_mount+0xb1/0xc0 [ 53.882887][ T402] do_syscall_64+0xcb/0x150 [ 53.887378][ T402] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.893259][ T402] RIP: 0033:0x446359 [ 53.897138][ T402] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 53.916848][ T402] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 53.925247][ T402] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 53.933204][ T402] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 53.941163][ T402] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 53.949126][ T402] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 53.957112][ T402] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 53.965087][ T401] CPU: 0 PID: 401 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 53.975151][ T401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.985211][ T401] Call Trace: [ 53.988494][ T401] dump_stack+0x1dd/0x24e [ 53.992825][ T401] ? devkmsg_release+0x11c/0x11c [ 53.997758][ T401] ? show_regs_print_info+0x12/0x12 [ 54.000663][ T403] FAULT_INJECTION: forcing a failure. [ 54.000663][ T403] name failslab, interval 1, probability 0, space 0, times 0 [ 54.002954][ T401] ? create_cache+0x1cc/0x1f0 [ 54.002964][ T401] kmem_cache_create_usercopy+0x8c/0x1d0 [ 54.002981][ T401] p9_client_create+0x9ff/0xb90 [ 54.015649][ T402] kmem_cache_create(9p-fcall-cache) failed with error -22 [ 54.020200][ T401] ? p9_parse_header+0x6b0/0x6b0 [ 54.020211][ T401] ? __kasan_kmalloc+0x189/0x1c0 executing program [ 54.020220][ T401] ? __kmalloc_track_caller+0x20e/0x2c0 [ 54.020226][ T401] ? vfs_get_tree+0x85/0x260 [ 54.020241][ T401] v9fs_session_init+0x208/0x1a00 [ 54.062705][ T401] ? v9fs_show_options+0x530/0x530 [ 54.067843][ T401] ? v9fs_mount+0x5c/0x790 [ 54.072246][ T401] ? kmem_cache_alloc_trace+0xc3/0x290 [ 54.077689][ T401] ? legacy_init_fs_context+0x4d/0xc0 [ 54.083051][ T401] v9fs_mount+0x7f/0x790 [ 54.087278][ T401] ? cap_capable+0x23f/0x280 [ 54.091857][ T401] legacy_get_tree+0xde/0x170 [ 54.096515][ T401] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 54.102215][ T401] vfs_get_tree+0x85/0x260 [ 54.106614][ T401] do_mount+0x18ab/0x2660 [ 54.110927][ T401] ? copy_mount_string+0x30/0x30 [ 54.115844][ T401] ? page_fault+0x2f/0x40 [ 54.120158][ T401] ? copy_mount_options+0x1e8/0x320 [ 54.125354][ T401] ? copy_mount_options+0x293/0x320 [ 54.130534][ T401] ksys_mount+0xc2/0xf0 [ 54.134676][ T401] __x64_sys_mount+0xb1/0xc0 [ 54.139269][ T401] do_syscall_64+0xcb/0x150 [ 54.143758][ T401] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.149632][ T401] RIP: 0033:0x446359 [ 54.153507][ T401] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 54.173094][ T401] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 54.181510][ T401] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 54.189467][ T401] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 54.197423][ T401] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 54.205376][ T401] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 54.213336][ T401] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 54.221349][ T402] CPU: 1 PID: 402 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 54.231406][ T402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.241443][ T402] Call Trace: [ 54.244719][ T402] dump_stack+0x1dd/0x24e [ 54.249035][ T402] ? devkmsg_release+0x11c/0x11c [ 54.253955][ T402] ? show_regs_print_info+0x12/0x12 [ 54.259135][ T402] ? create_cache+0x1cc/0x1f0 [ 54.263794][ T402] kmem_cache_create_usercopy+0x8c/0x1d0 [ 54.269430][ T402] p9_client_create+0x9ff/0xb90 [ 54.274266][ T402] ? p9_parse_header+0x6b0/0x6b0 [ 54.279186][ T402] ? __kasan_kmalloc+0x189/0x1c0 [ 54.284104][ T402] ? __kmalloc_track_caller+0x20e/0x2c0 [ 54.289627][ T402] ? vfs_get_tree+0x85/0x260 [ 54.294200][ T402] v9fs_session_init+0x208/0x1a00 [ 54.299210][ T402] ? v9fs_show_options+0x530/0x530 [ 54.304305][ T402] ? v9fs_mount+0x5c/0x790 [ 54.308719][ T402] ? kmem_cache_alloc_trace+0xc3/0x290 [ 54.314174][ T402] ? legacy_init_fs_context+0x4d/0xc0 [ 54.319539][ T402] v9fs_mount+0x7f/0x790 [ 54.323762][ T402] ? cap_capable+0x23f/0x280 [ 54.328332][ T402] legacy_get_tree+0xde/0x170 [ 54.332994][ T402] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 54.338692][ T402] vfs_get_tree+0x85/0x260 [ 54.343090][ T402] do_mount+0x18ab/0x2660 [ 54.347405][ T402] ? copy_mount_string+0x30/0x30 [ 54.352369][ T402] ? page_fault+0x2f/0x40 [ 54.356681][ T402] ? copy_mount_options+0x1e8/0x320 [ 54.361861][ T402] ? copy_mount_options+0x293/0x320 [ 54.367040][ T402] ksys_mount+0xc2/0xf0 [ 54.371181][ T402] __x64_sys_mount+0xb1/0xc0 [ 54.375755][ T402] do_syscall_64+0xcb/0x150 [ 54.380241][ T402] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.386134][ T402] RIP: 0033:0x446359 [ 54.390011][ T402] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 54.409599][ T402] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 54.418256][ T402] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 54.426387][ T402] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 54.434348][ T402] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 54.442301][ T402] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program executing program [ 54.450255][ T402] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 54.458219][ T403] CPU: 0 PID: 403 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 54.468276][ T403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.478317][ T403] Call Trace: [ 54.481596][ T403] dump_stack+0x1dd/0x24e [ 54.485918][ T403] ? devkmsg_release+0x11c/0x11c [ 54.490845][ T403] ? show_regs_print_info+0x12/0x12 [ 54.496032][ T403] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.502071][ T403] should_fail+0x6fb/0x860 [ 54.506500][ T403] ? setup_fault_attr+0x3d0/0x3d0 [ 54.511524][ T403] ? is_bpf_text_address+0x290/0x2b0 [ 54.516795][ T403] ? __kernfs_new_node+0xdb/0x6e0 [ 54.521794][ T403] should_failslab+0x5/0x20 [ 54.526284][ T403] kmem_cache_alloc+0x36/0x270 [ 54.531019][ T403] ? unwind_get_return_address+0x48/0x90 [ 54.536625][ T403] __kernfs_new_node+0xdb/0x6e0 [ 54.541452][ T403] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 54.546888][ T403] ? kernfs_new_node+0x160/0x160 [ 54.551809][ T403] ? _raw_spin_lock+0x1b0/0x1b0 [ 54.556644][ T403] ? stack_trace_save+0x120/0x1f0 [ 54.561653][ T403] ? stack_trace_snprint+0x150/0x150 [ 54.561661][ T403] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 54.561676][ T403] ? stack_depot_save+0x373/0x480 [ 54.577735][ T403] kernfs_create_dir_ns+0x90/0x220 [ 54.582838][ T403] sysfs_create_dir_ns+0x181/0x3a0 [ 54.587935][ T403] ? sysfs_warn_dup+0xb0/0xb0 [ 54.592630][ T403] ? pcpu_block_update_hint_alloc+0x98f/0xd00 [ 54.598688][ T403] kobject_add_internal+0x55f/0xb50 [ 54.603878][ T403] kobject_init_and_add+0x122/0x190 [ 54.609074][ T403] ? kobject_add+0x230/0x230 [ 54.613665][ T403] ? cpumask_next+0xc/0x20 [ 54.618078][ T403] ? mutex_unlock+0x19/0x40 [ 54.622570][ T403] sysfs_slab_add+0x193/0x310 [ 54.627237][ T403] __kmem_cache_create+0x67c/0x6f0 [ 54.632334][ T403] ? __should_failslab+0x92/0x150 [ 54.637361][ T403] ? create_cache+0x3b/0x1f0 [ 54.641938][ T403] ? kmem_cache_alloc+0x1e0/0x270 [ 54.646952][ T403] create_cache+0x156/0x1f0 [ 54.651459][ T403] kmem_cache_create_usercopy+0x145/0x1d0 [ 54.657268][ T403] p9_client_create+0x9ff/0xb90 [ 54.662109][ T403] ? p9_parse_header+0x6b0/0x6b0 [ 54.667028][ T403] ? __kasan_kmalloc+0x189/0x1c0 [ 54.671956][ T403] ? __kmalloc_track_caller+0x20e/0x2c0 [ 54.677474][ T403] ? vfs_get_tree+0x85/0x260 [ 54.682039][ T403] v9fs_session_init+0x208/0x1a00 [ 54.687075][ T403] ? v9fs_show_options+0x530/0x530 [ 54.692178][ T403] ? v9fs_mount+0x5c/0x790 [ 54.696568][ T403] ? kmem_cache_alloc_trace+0xc3/0x290 [ 54.702005][ T403] ? legacy_init_fs_context+0x4d/0xc0 [ 54.707358][ T403] v9fs_mount+0x7f/0x790 [ 54.711575][ T403] ? cap_capable+0x23f/0x280 [ 54.716139][ T403] legacy_get_tree+0xde/0x170 [ 54.720790][ T403] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 54.726490][ T403] vfs_get_tree+0x85/0x260 [ 54.730882][ T403] do_mount+0x18ab/0x2660 [ 54.735192][ T403] ? copy_mount_string+0x30/0x30 [ 54.740161][ T403] ? page_fault+0x2f/0x40 [ 54.744470][ T403] ? copy_mount_options+0x1e8/0x320 [ 54.749643][ T403] ? copy_mount_options+0x293/0x320 [ 54.754828][ T403] ksys_mount+0xc2/0xf0 [ 54.758988][ T403] __x64_sys_mount+0xb1/0xc0 [ 54.763563][ T403] do_syscall_64+0xcb/0x150 [ 54.768069][ T403] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.773970][ T403] RIP: 0033:0x446359 [ 54.777839][ T403] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 54.797427][ T403] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 54.805814][ T403] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 54.813761][ T403] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 54.821715][ T403] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 54.829671][ T403] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 54.837637][ T403] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ *[ 54.846257][ T403] kobject_add_internal failed for 9p-fcall-cache (error: -12 parent: slab) [0;1;31m*[0[ 54.855825][ T403] ================================================================== [ 54.865102][ T403] BUG: KASAN: double-free or invalid-free in kmem_cache_free+0xac/0x610 [ 54.873413][ T403] [ 54.875734][ T403] CPU: 0 PID: 403 Comm: syz-executor525 Not tainted 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 54.885766][ T403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.895818][ T403] Call Trace: [ 54.899108][ T403] dump_stack+0x1dd/0x24e [ 54.903466][ T403] ? show_regs_print_info+0x12/0x12 [ 54.908666][ T403] ? printk+0xcf/0x114 [ 54.912774][ T403] ? kmem_cache_free+0xac/0x610 [ 54.917661][ T403] ? kmem_cache_free+0xac/0x610 [ 54.922489][ T403] print_address_description+0x96/0x640 [ 54.928053][ T403] ? devkmsg_release+0x11c/0x11c [ 54.932969][ T403] ? do_mount+0x18ab/0x2660 [ 54.937446][ T403] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.943492][ T403] ? kmem_cache_free+0xac/0x610 [ 54.948348][ T403] ? kmem_cache_free+0xac/0x610 [ 54.953210][ T403] kasan_report_invalid_free+0x54/0xc0 [ 54.958660][ T403] __kasan_slab_free+0x102/0x230 [ 54.963576][ T403] ? slab_free_freelist_hook+0xd0/0x150 [ 54.969099][ T403] ? kobject_cleanup+0x1e1/0x3c0 [ 54.974146][ T403] ? sysfs_slab_remove_workfn+0x40/0x40 [ 54.979668][ T403] ? kmem_cache_free+0xac/0x610 [ 54.984674][ T403] ? kfree_const+0x26/0x40 [ 54.989073][ T403] ? kobject_cleanup+0x39c/0x3c0 [ 54.994009][ T403] slab_free_freelist_hook+0xd0/0x150 [ 54.999378][ T403] ? create_cache+0x1cc/0x1f0 [ 55.004041][ T403] kmem_cache_free+0xac/0x610 [ 55.008696][ T403] ? __kmem_cache_create+0x693/0x6f0 [ 55.013962][ T403] ? __should_failslab+0x92/0x150 [ 55.019254][ T403] ? create_cache+0x3b/0x1f0 [ 55.023872][ T403] create_cache+0x1cc/0x1f0 [ 55.028355][ T403] kmem_cache_create_usercopy+0x145/0x1d0 [ 55.034058][ T403] p9_client_create+0x9ff/0xb90 [ 55.038888][ T403] ? p9_parse_header+0x6b0/0x6b0 [ 55.043816][ T403] ? __kasan_kmalloc+0x189/0x1c0 [ 55.048743][ T403] ? __kmalloc_track_caller+0x20e/0x2c0 [ 55.054384][ T403] ? vfs_get_tree+0x85/0x260 [ 55.058954][ T403] v9fs_session_init+0x208/0x1a00 [ 55.063976][ T403] ? v9fs_show_options+0x530/0x530 [ 55.069072][ T403] ? v9fs_mount+0x5c/0x790 [ 55.073482][ T403] ? kmem_cache_alloc_trace+0xc3/0x290 [ 55.078947][ T403] ? legacy_init_fs_context+0x4d/0xc0 [ 55.084431][ T403] v9fs_mount+0x7f/0x790 [ 55.088670][ T403] ? cap_capable+0x23f/0x280 [ 55.093235][ T403] legacy_get_tree+0xde/0x170 [ 55.097888][ T403] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 55.103587][ T403] vfs_get_tree+0x85/0x260 [ 55.107983][ T403] do_mount+0x18ab/0x2660 [ 55.112292][ T403] ? copy_mount_string+0x30/0x30 [ 55.117208][ T403] ? page_fault+0x2f/0x40 [ 55.121541][ T403] ? copy_mount_options+0x1e8/0x320 [ 55.126716][ T403] ? copy_mount_options+0x293/0x320 [ 55.131887][ T403] ksys_mount+0xc2/0xf0 [ 55.136018][ T403] __x64_sys_mount+0xb1/0xc0 [ 55.140592][ T403] do_syscall_64+0xcb/0x150 [ 55.145088][ T403] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.150955][ T403] RIP: 0033:0x446359 [ 55.154843][ T403] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 55.174431][ T403] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 55.182832][ T403] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 55.190783][ T403] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 55.198731][ T403] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 55.206722][ T403] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 55.214688][ T403] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 55.222651][ T403] [ 55.224975][ T403] Allocated by task 403: [ 55.229196][ T403] __kasan_kmalloc+0x129/0x1c0 [ 55.233934][ T403] kmem_cache_alloc+0x1e0/0x270 [ 55.238762][ T403] create_cache+0x3b/0x1f0 [ 55.243187][ T403] kmem_cache_create_usercopy+0x145/0x1d0 [ 55.248916][ T403] p9_client_create+0x9ff/0xb90 [ 55.253768][ T403] v9fs_session_init+0x208/0x1a00 [ 55.258795][ T403] v9fs_mount+0x7f/0x790 [ 55.263032][ T403] legacy_get_tree+0xde/0x170 [ 55.267693][ T403] vfs_get_tree+0x85/0x260 [ 55.272113][ T403] do_mount+0x18ab/0x2660 [ 55.276441][ T403] ksys_mount+0xc2/0xf0 [ 55.280587][ T403] __x64_sys_mount+0xb1/0xc0 [ 55.285172][ T403] do_syscall_64+0xcb/0x150 [ 55.289661][ T403] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.295548][ T403] [ 55.297850][ T403] Freed by task 403: [ 55.301724][ T403] __kasan_slab_free+0x17e/0x230 [ 55.306648][ T403] slab_free_freelist_hook+0xd0/0x150 [ 55.311999][ T403] kmem_cache_free+0xac/0x610 [ 55.316657][ T403] kobject_cleanup+0x1e1/0x3c0 [ 55.321395][ T403] sysfs_slab_add+0x1a1/0x310 [ 55.326066][ T403] __kmem_cache_create+0x67c/0x6f0 [ 55.331163][ T403] create_cache+0x156/0x1f0 [ 55.335639][ T403] kmem_cache_create_usercopy+0x145/0x1d0 [ 55.341352][ T403] p9_client_create+0x9ff/0xb90 [ 55.346195][ T403] v9fs_session_init+0x208/0x1a00 [ 55.351216][ T403] v9fs_mount+0x7f/0x790 [ 55.355448][ T403] legacy_get_tree+0xde/0x170 [ 55.360104][ T403] vfs_get_tree+0x85/0x260 [ 55.364495][ T403] do_mount+0x18ab/0x2660 [ 55.368799][ T403] ksys_mount+0xc2/0xf0 [ 55.372932][ T403] __x64_sys_mount+0xb1/0xc0 [ 55.377500][ T403] do_syscall_64+0xcb/0x150 [ 55.381983][ T403] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.387871][ T403] [ 55.390194][ T403] The buggy address belongs to the object at ffff8881e24e7b80 [ 55.390194][ T403] which belongs to the cache kmem_cache of size 472 [ 55.404159][ T403] The buggy address is located 0 bytes inside of [ 55.404159][ T403] 472-byte region [ffff8881e24e7b80, ffff8881e24e7d58) [ 55.417233][ T403] The buggy address belongs to the page: [ 55.422849][ T403] page:ffffea0007893980 refcount:1 mapcount:0 mapping:ffff8881f6002000 index:0x0 compound_mapcount: 0 [ 55.433770][ T403] flags: 0x8000000000010200(slab|head) [ 55.439225][ T403] raw: 8000000000010200 dead000000000100 dead000000000122 ffff8881f6002000 [ 55.447794][ T403] raw: 0000000000000000 00000000800c000c 00000001ffffffff 0000000000000000 [ 55.456362][ T403] page dumped because: kasan: bad access detected [ 55.462754][ T403] [ 55.465061][ T403] Memory state around the buggy address: [ 55.470699][ T403] ffff8881e24e7a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 55.478760][ T403] ffff8881e24e7b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 55.486822][ T403] >ffff8881e24e7b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 55.494864][ T403] ^ [ 55.498935][ T403] ffff8881e24e7c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 55.507002][ T403] ffff8881e24e7c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 55.515041][ T403] ================================================================== [ 55.523092][ T403] Disabling lock debugging due to kernel taint ;31m* ] A st[ 55.529547][ T403] Kernel panic - not syncing: panic_on_warn set ... [ 55.537697][ T403] CPU: 0 PID: 403 Comm: syz-executor525 Tainted: G B 5.4.80-syzkaller-00759-ge37aca80313f #0 [ 55.549147][ T403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.559217][ T403] Call Trace: [ 55.562513][ T403] dump_stack+0x1dd/0x24e [ 55.566840][ T403] ? devkmsg_release+0x11c/0x11c [ 55.571774][ T403] ? show_regs_print_info+0x12/0x12 [ 55.576966][ T403] panic+0x285/0x750 [ 55.581191][ T403] ? schedule_preempt_disabled+0x20/0x20 [ 55.586815][ T403] ? nmi_panic+0x90/0x90 [ 55.591036][ T403] ? kmem_cache_free+0xac/0x610 [ 55.595889][ T403] ? ___preempt_schedule+0x16/0x20 [ 55.600986][ T403] ? kmem_cache_free+0xac/0x610 [ 55.605839][ T403] ? kmem_cache_free+0xac/0x610 [ 55.610688][ T403] kasan_report_invalid_free+0xb7/0xc0 [ 55.616125][ T403] __kasan_slab_free+0x102/0x230 [ 55.621045][ T403] ? slab_free_freelist_hook+0xd0/0x150 [ 55.626581][ T403] ? kobject_cleanup+0x1e1/0x3c0 [ 55.631494][ T403] ? sysfs_slab_remove_workfn+0x40/0x40 [ 55.637032][ T403] ? kmem_cache_free+0xac/0x610 [ 55.641879][ T403] ? kfree_const+0x26/0x40 [ 55.646271][ T403] ? kobject_cleanup+0x39c/0x3c0 [ 55.651185][ T403] slab_free_freelist_hook+0xd0/0x150 [ 55.656534][ T403] ? create_cache+0x1cc/0x1f0 [ 55.661187][ T403] kmem_cache_free+0xac/0x610 [ 55.665840][ T403] ? __kmem_cache_create+0x693/0x6f0 [ 55.671105][ T403] ? __should_failslab+0x92/0x150 [ 55.676108][ T403] ? create_cache+0x3b/0x1f0 [ 55.680695][ T403] create_cache+0x1cc/0x1f0 [ 55.685182][ T403] kmem_cache_create_usercopy+0x145/0x1d0 [ 55.690896][ T403] p9_client_create+0x9ff/0xb90 [ 55.695752][ T403] ? p9_parse_header+0x6b0/0x6b0 [ 55.700668][ T403] ? __kasan_kmalloc+0x189/0x1c0 [ 55.705581][ T403] ? __kmalloc_track_caller+0x20e/0x2c0 [ 55.711098][ T403] ? vfs_get_tree+0x85/0x260 [ 55.715671][ T403] v9fs_session_init+0x208/0x1a00 [ 55.720700][ T403] ? v9fs_show_options+0x530/0x530 [ 55.725806][ T403] ? v9fs_mount+0x5c/0x790 [ 55.730208][ T403] ? kmem_cache_alloc_trace+0xc3/0x290 [ 55.735656][ T403] ? legacy_init_fs_context+0x4d/0xc0 [ 55.741007][ T403] v9fs_mount+0x7f/0x790 [ 55.745243][ T403] ? cap_capable+0x23f/0x280 [ 55.749815][ T403] legacy_get_tree+0xde/0x170 [ 55.754494][ T403] ? ovl_lookup_real_ancestor+0x7c0/0x7c0 [ 55.760193][ T403] vfs_get_tree+0x85/0x260 [ 55.768423][ T403] do_mount+0x18ab/0x2660 [ 55.772760][ T403] ? copy_mount_string+0x30/0x30 [ 55.777701][ T403] ? page_fault+0x2f/0x40 [ 55.782023][ T403] ? copy_mount_options+0x1e8/0x320 [ 55.787209][ T403] ? copy_mount_options+0x293/0x320 [ 55.792391][ T403] ksys_mount+0xc2/0xf0 [ 55.796525][ T403] __x64_sys_mount+0xb1/0xc0 [ 55.801106][ T403] do_syscall_64+0xcb/0x150 [ 55.805587][ T403] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.811480][ T403] RIP: 0033:0x446359 [ 55.815388][ T403] Code: e8 1c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 55.835037][ T403] RSP: 002b:00007ffc34fb9a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 55.843436][ T403] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446359 [ 55.851399][ T403] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000000000000 [ 55.859365][ T403] RBP: 0000000000000000 R08: 0000000020000380 R09: 0000000000003532 [ 55.867328][ T403] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 55.875288][ T403] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 55.883763][ T403] Kernel Offset: disabled [ 55.888093][ T403] Rebooting in 86400 seconds..