program: add_key$keyring(&(0x7f0000000000), &(0x7f0000000040)={'syz', 0x3}, 0x0, 0x0, 0xffffffffffffffff) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dbg\x00', 0x1ff) sendmsg$kcm(0xffffffffffffffff, 0x0, 0x8800) mount(0x0, &(0x7f0000000000)='./dbg\x00', &(0x7f0000000040)='debugfs\x00', 0x0, 0x0) write(0xffffffffffffffff, &(0x7f00000000c0)='N\x00', 0x1) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./dbg/failslab/times\x00', 0x1, 0x0) r1 = socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) bind$netlink(0xffffffffffffffff, &(0x7f0000000140)={0x10, 0x0, 0x0, 0x2ffffffff}, 0xc) r3 = socket$kcm(0x2d, 0x2, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(r3, 0x89e2, &(0x7f0000000140)={r3}) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) chroot(&(0x7f0000000180)='./dbg/failslab/times\x00') sendmsg$nl_route_sched(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000780)={&(0x7f00000001c0)=@newqdisc={0x48, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r4, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_prio={{0x9}, {0x18, 0x2, {0x6, "00000631f4e3000000001500"}}}]}, 0x48}}, 0x0) setsockopt$XDP_RX_RING(0xffffffffffffffff, 0x11b, 0x2, &(0x7f0000000680)=0x1130581, 0x4) write(r0, &(0x7f0000000140)='1000\x00', 0x4) openat$kvm(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r5, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000001ac0)={&(0x7f0000000340)={0x14, 0x27, 0x1, 0x70bd2b, 0x25dfdbfe, {0xc}}, 0x14}}, 0x24000004) r6 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./dbg/failslab/probability\x00', 0x1, 0x0) write(r6, &(0x7f0000000280)='1\x00', 0x1) unshare(0xa000400) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000780)={'#! ', './file0', [], 0xa, "14369afd9845f99c94b94f5a16b48fe862b18b5b6606"}, 0x21) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./config\x00', &(0x7f0000000300)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000600)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000800)='./config/usb_gadget/g1/functions/uvc.0\x00', 0x1ff) openat(0xffffffffffffff9c, &(0x7f0000000c00)='./config/usb_gadget/g1/functions/uvc.0/streaming/color_matching/my_color2/bColorPrimaries\x00', 0x2, 0x0) [ 94.436569][ T5285] Bluetooth: hci0: command tx timeout [ 94.629726][ T5322] FAULT_INJECTION: forcing a failure. [ 94.629726][ T5322] name failslab, interval 1, probability 1, space 0, times 1000 [ 94.635836][ T5322] CPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 94.635853][ T5322] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 94.635859][ T5322] Call Trace: [ 94.635864][ T5322] [ 94.635870][ T5322] dump_stack_lvl+0xe8/0x150 [ 94.635929][ T5322] should_fail_ex+0x40c/0x560 [ 94.635974][ T5322] should_failslab+0xa8/0x100 [ 94.635992][ T5322] __kmalloc_cache_noprof+0xa8/0x660 [ 94.636007][ T5322] ? __kmalloc_cache_noprof+0x150/0x660 [ 94.636018][ T5322] ? uvcg_streaming_class_create_children+0x32f/0x470 [ 94.636065][ T5322] ? uvcg_streaming_class_create_children+0x32f/0x470 [ 94.636086][ T5322] uvcg_streaming_class_create_children+0x32f/0x470 [ 94.636103][ T5322] uvcg_config_create_children+0x20b/0x280 [ 94.636120][ T5322] uvcg_config_create_children+0x20b/0x280 [ 94.636137][ T5322] uvcg_attach_configfs+0x33/0x60 [ 94.636150][ T5322] uvc_alloc_inst+0x6f9/0xa90 [ 94.636171][ T5322] usb_get_function_instance+0xe3/0x2f0 [ 94.636187][ T5322] function_make+0x127/0x360 [ 94.636201][ T5322] ? __pfx___mutex_lock+0x10/0x10 [ 94.636213][ T5322] ? __pfx_function_make+0x10/0x10 [ 94.636220][ T5322] ? do_raw_spin_lock+0x12b/0x2f0 [ 94.636232][ T5322] ? do_raw_spin_unlock+0x4d/0x210 [ 94.636243][ T5322] configfs_mkdir+0x4f6/0x9e0 [ 94.636255][ T5322] ? d_splice_alias+0x12/0x30 [ 94.636270][ T5322] ? __pfx_configfs_mkdir+0x10/0x10 [ 94.636282][ T5322] ? generic_permission+0x2bf/0x670 [ 94.636312][ T5322] ? bpf_lsm_inode_mkdir+0x9/0x20 [ 94.636330][ T5322] vfs_mkdir+0x406/0x620 [ 94.636349][ T5322] filename_mkdirat+0x285/0x510 [ 94.636368][ T5322] ? __pfx_filename_mkdirat+0x10/0x10 [ 94.636384][ T5322] ? do_getname+0x151/0x250 [ 94.636395][ T5322] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.636406][ T5322] __se_sys_mkdirat+0x35/0x150 [ 94.636422][ T5322] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.636431][ T5322] do_syscall_64+0x174/0x580 [ 94.636464][ T5322] ? trace_irq_disable+0x3b/0x140 [ 94.636481][ T5322] ? clear_bhb_loop+0x40/0x90 [ 94.636497][ T5322] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.636508][ T5322] RIP: 0033:0x7f960d59df99 [ 94.636520][ T5322] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 94.636529][ T5322] RSP: 002b:00007f960e46cfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 94.636542][ T5322] RAX: ffffffffffffffda RBX: 00007f960d825fa0 RCX: 00007f960d59df99 [ 94.636549][ T5322] RDX: 00000000000001ff RSI: 0000200000000800 RDI: ffffffffffffff9c [ 94.636556][ T5322] RBP: 00007f960d634ec4 R08: 0000000000000000 R09: 0000000000000000 [ 94.636562][ T5322] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 94.636568][ T5322] R13: 00007f960d826038 R14: 00007f960d825fa0 R15: 00007ffd0ca5b468 [ 94.636587][ T5322] [ 94.637246][ T5322] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] SMP KASAN NOPTI [ 94.756667][ T5322] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 94.760057][ T5322] CPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 94.763647][ T5322] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 94.767697][ T5322] RIP: 0010:usb_put_function_instance+0x54/0xb0 [ 94.770285][ T5322] Code: 8d b3 98 00 00 00 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 ea 1b 7f fa 4d 8b 36 49 83 c6 08 4c 89 f0 48 c1 e8 03 <42> 80 3c 38 00 74 08 4c 89 f7 e8 cd 1b 7f fa 4d 8b 36 48 8d bb a8 [ 94.778066][ T5322] RSP: 0018:ffffc9000f807a50 EFLAGS: 00010202 [ 94.780553][ T5322] RAX: 0000000000000001 RBX: ffff888012c73000 RCX: 0000000000100000 [ 94.783749][ T5322] RDX: ffffc9000eea9000 RSI: 000000000000d343 RDI: 000000000000d344 [ 94.786996][ T5322] RBP: 1ffff1100258e600 R08: ffffffff9057b737 R09: 1ffffffff20af6e6 [ 94.790230][ T5322] R10: dffffc0000000000 R11: fffffbfff20af6e7 R12: dffffc0000000000 [ 94.793445][ T5322] R13: dffffc0000000000 R14: 0000000000000008 R15: dffffc0000000000 [ 94.796740][ T5322] FS: 00007f960e46d6c0(0000) GS:ffff88808c543000(0000) knlGS:0000000000000000 [ 94.800278][ T5322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.802908][ T5322] CR2: 0000200000001ac0 CR3: 0000000012bde000 CR4: 0000000000352ef0 [ 94.806057][ T5322] Call Trace: [ 94.807492][ T5322] [ 94.808702][ T5322] ? __pfx_uvc_func_item_release+0x10/0x10 [ 94.811066][ T5322] config_item_release+0x13a/0x2d0 [ 94.813115][ T5322] uvcg_attach_configfs+0x56/0x60 [ 94.815199][ T5322] uvc_alloc_inst+0x6f9/0xa90 [ 94.817200][ T5322] usb_get_function_instance+0xe3/0x2f0 [ 94.819569][ T5322] function_make+0x127/0x360 [ 94.821517][ T5322] ? __pfx___mutex_lock+0x10/0x10 [ 94.823623][ T5322] ? __pfx_function_make+0x10/0x10 [ 94.825793][ T5322] ? do_raw_spin_lock+0x12b/0x2f0 [ 94.827893][ T5322] ? do_raw_spin_unlock+0x4d/0x210 [ 94.830007][ T5322] configfs_mkdir+0x4f6/0x9e0 [ 94.831946][ T5322] ? d_splice_alias+0x12/0x30 [ 94.833917][ T5322] ? __pfx_configfs_mkdir+0x10/0x10 [ 94.836112][ T5322] ? generic_permission+0x2bf/0x670 [ 94.838144][ T5322] ? bpf_lsm_inode_mkdir+0x9/0x20 [ 94.840173][ T5322] vfs_mkdir+0x406/0x620 [ 94.841891][ T5322] filename_mkdirat+0x285/0x510 [ 94.843855][ T5322] ? __pfx_filename_mkdirat+0x10/0x10 [ 94.846033][ T5322] ? do_getname+0x151/0x250 [ 94.847891][ T5322] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.850469][ T5322] __se_sys_mkdirat+0x35/0x150 [ 94.852391][ T5322] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.854982][ T5322] do_syscall_64+0x174/0x580 [ 94.856867][ T5322] ? trace_irq_disable+0x3b/0x140 [ 94.858879][ T5322] ? clear_bhb_loop+0x40/0x90 [ 94.860798][ T5322] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.863221][ T5322] RIP: 0033:0x7f960d59df99 [ 94.865076][ T5322] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 94.872860][ T5322] RSP: 002b:00007f960e46cfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 94.876287][ T5322] RAX: ffffffffffffffda RBX: 00007f960d825fa0 RCX: 00007f960d59df99 [ 94.879517][ T5322] RDX: 00000000000001ff RSI: 0000200000000800 RDI: ffffffffffffff9c [ 94.882956][ T5322] RBP: 00007f960d634ec4 R08: 0000000000000000 R09: 0000000000000000 [ 94.886130][ T5322] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 94.889358][ T5322] R13: 00007f960d826038 R14: 00007f960d825fa0 R15: 00007ffd0ca5b468 [ 94.892545][ T5322] [ 94.893834][ T5322] Modules linked in: [ 94.895935][ T5322] ---[ end trace 0000000000000000 ]--- [ 94.905238][ T4688] FAULT_INJECTION: forcing a failure. [ 94.905238][ T4688] name failslab, interval 1, probability 1, space 0, times 997 [ 94.910583][ T4688] CPU: 0 UID: 0 PID: 4688 Comm: klogd Tainted: G D syzkaller #0 PREEMPT(full) [ 94.910602][ T4688] Tainted: [D]=DIE [ 94.910605][ T4688] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 94.910611][ T4688] Call Trace: [ 94.910616][ T4688] [ 94.910619][ T4688] dump_stack_lvl+0xe8/0x150 [ 94.910638][ T4688] should_fail_ex+0x40c/0x560 [ 94.910650][ T4688] should_failslab+0xa8/0x100 [ 94.910664][ T4688] kmem_cache_alloc_node_noprof+0xb3/0x610 [ 94.910675][ T4688] ? __alloc_skb+0x1d7/0x7a0 [ 94.910689][ T4688] ? __alloc_skb+0x1d7/0x7a0 [ 94.910703][ T4688] __alloc_skb+0x1d7/0x7a0 [ 94.910716][ T4688] alloc_skb_with_frags+0xc6/0x760 [ 94.910734][ T4688] sock_alloc_send_pskb+0x878/0x990 [ 94.910748][ T4688] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 94.910779][ T4688] ? lock_release+0x4b/0x3c0 [ 94.910794][ T4688] ? rcu_is_watching+0x15/0xb0 [ 94.910805][ T4688] ? bpf_lsm_socket_getpeersec_dgram+0x9/0x20 [ 94.910816][ T4688] unix_dgram_sendmsg+0x4fe/0x1870 [ 94.910833][ T4688] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 94.910846][ T4688] ? aa_sock_msg_perm+0xda/0x1b0 [ 94.910858][ T4688] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 94.910865][ T4688] sock_sendmsg_nosec+0x13a/0x180 [ 94.910878][ T4688] __sys_sendto+0x408/0x5a0 [ 94.910892][ T4688] ? bpf_lsm_capable+0x9/0x20 [ 94.910905][ T4688] ? __pfx___sys_sendto+0x10/0x10 [ 94.910920][ T4688] ? __pfx___sys_connect+0x10/0x10 [ 94.910934][ T4688] ? rcu_is_watching+0x15/0xb0 [ 94.910945][ T4688] __x64_sys_sendto+0xde/0x100 [ 94.910959][ T4688] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.910969][ T4688] do_syscall_64+0x174/0x580 [ 94.910980][ T4688] ? trace_irq_disable+0x3b/0x140 [ 94.910993][ T4688] ? clear_bhb_loop+0x40/0x90 [ 94.911005][ T4688] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.911015][ T4688] RIP: 0033:0x7f81eaa52407 [ 94.911024][ T4688] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 94.911032][ T4688] RSP: 002b:00007ffd68147e70 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 94.911043][ T4688] RAX: ffffffffffffffda RBX: 00007f81ea902c80 RCX: 00007f81eaa52407 [ 94.911051][ T4688] RDX: 0000000000000057 RSI: 00007ffd68147fb0 RDI: 0000000000000003 [ 94.911058][ T4688] RBP: 00007ffd681483e0 R08: 0000000000000000 R09: 0000000000000000 [ 94.911064][ T4688] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffd681483f8 [ 94.911071][ T4688] R13: 00007ffd68147fb0 R14: 000000000000003c R15: 00007ffd68147fb0 [ 94.911082][ T4688] [ 95.015364][ T5322] RIP: 0010:usb_put_function_instance+0x54/0xb0 [ 95.018330][ T5322] Code: 8d b3 98 00 00 00 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 ea 1b 7f fa 4d 8b 36 49 83 c6 08 4c 89 f0 48 c1 e8 03 <42> 80 3c 38 00 74 08 4c 89 f7 e8 cd 1b 7f fa 4d 8b 36 48 8d bb a8 [ 95.027284][ T5322] RSP: 0018:ffffc9000f807a50 EFLAGS: 00010202 [ 95.029898][ T5322] RAX: 0000000000000001 RBX: ffff888012c73000 RCX: 0000000000100000 [ 95.033183][ T5322] RDX: ffffc9000eea9000 RSI: 000000000000d343 RDI: 000000000000d344 [ 95.036499][ T5322] RBP: 1ffff1100258e600 R08: ffffffff9057b737 R09: 1ffffffff20af6e6 [ 95.040062][ T5322] R10: dffffc0000000000 R11: fffffbfff20af6e7 R12: dffffc0000000000 [ 95.043285][ T5322] R13: dffffc0000000000 R14: 0000000000000008 R15: dffffc0000000000 [ 95.046512][ T5322] FS: 00007f960e46d6c0(0000) GS:ffff88808c543000(0000) knlGS:0000000000000000 [ 95.050310][ T5322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.053062][ T5322] CR2: 00007f960d7f26b8 CR3: 0000000012bde000 CR4: 0000000000352ef0 [ 95.056383][ T5322] Kernel panic - not syncing: Fatal exception [ 95.059157][ T5322] Kernel Offset: disabled [ 95.060882][ T5322] Rebooting in 86400 seconds..