syzkaller login: [ 134.159914][ T1224] cfg80211: failed to load regulatory.db [ 140.973016][ C0] hrtimer: interrupt took 136783582 ns Warning: Permanently added '[localhost]:22533' (ED25519) to the list of known hosts. executing program [ 156.722823][ T5111] ------------[ cut here ]------------ [ 156.738438][ T5111] WARNING: CPU: 0 PID: 5111 at mm/util.c:665 __kvmalloc_node_noprof+0x17a/0x190 [ 156.743141][ T5111] Modules linked in: [ 156.744828][ T5111] CPU: 0 UID: 0 PID: 5111 Comm: syz-executor170 Not tainted 6.11.0-rc5-syzkaller-00219-g1934261d8974 #0 [ 156.764391][ T5111] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 156.768931][ T5111] RIP: 0010:__kvmalloc_node_noprof+0x17a/0x190 [ 156.771136][ T5111] Code: cc 44 89 fe 81 e6 00 20 00 00 31 ff e8 bf 23 bb ff 41 81 e7 00 20 00 00 74 0a e8 71 1f bb ff e9 3b ff ff ff e8 67 1f bb ff 90 <0f> 0b 90 e9 2d ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 [ 156.780237][ T5111] RSP: 0018:ffffc9000323f930 EFLAGS: 00010293 [ 156.782574][ T5111] RAX: ffffffff81d86cc9 RBX: 00000000da6b5000 RCX: ffff88801ca92440 [ 156.785808][ T5111] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 156.788761][ T5111] RBP: 0000000000000000 R08: ffffffff81d86cb1 R09: 00000000ffffffff [ 156.792353][ T5111] R10: ffffc9000323f7a0 R11: fffff52000647ef9 R12: 00000000da6b5000 [ 156.797815][ T5111] R13: ffffc9000323fa60 R14: 00000000ffffffff R15: 0000000000000000 [ 156.803889][ T5111] FS: 000055555ed0c380(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000 [ 156.821587][ T5111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 156.826125][ T5111] CR2: 00007f12c2b010f0 CR3: 000000003d746000 CR4: 0000000000350ef0 [ 156.830281][ T5111] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 156.838775][ T5111] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 156.842488][ T5111] Call Trace: [ 156.857215][ T5111] [ 156.858383][ T5111] ? __warn+0x163/0x4e0 [ 156.859973][ T5111] ? __kvmalloc_node_noprof+0x17a/0x190 [ 156.862175][ T5111] ? report_bug+0x2b3/0x500 [ 156.864194][ T5111] ? __kvmalloc_node_noprof+0x17a/0x190 [ 156.866693][ T5111] ? handle_bug+0x3e/0x70 [ 156.892836][ T5111] ? exc_invalid_op+0x1a/0x50 [ 156.894954][ T5111] ? asm_exc_invalid_op+0x1a/0x20 [ 156.898071][ T5111] ? __kvmalloc_node_noprof+0x161/0x190 [ 156.900312][ T5111] ? __kvmalloc_node_noprof+0x179/0x190 [ 156.902610][ T5111] ? __kvmalloc_node_noprof+0x17a/0x190 [ 156.920519][ T5111] __v4l2_ctrl_modify_dimensions+0x43b/0xb60 [ 156.922828][ T5111] ? tpg_update_mv_step+0x361/0x4f0 [ 156.924742][ T5111] vivid_update_format_cap+0x133c/0x2090 [ 156.927029][ T5111] ? __pfx_vivid_update_format_cap+0x10/0x10 [ 156.929548][ T5111] vivid_vid_cap_s_dv_timings+0x535/0x1230 [ 156.931966][ T5111] __video_do_ioctl+0xc26/0xde0 [ 156.933905][ T5111] ? __pfx___video_do_ioctl+0x10/0x10 [ 156.956034][ T5111] ? __might_fault+0xc6/0x120 [ 156.957749][ T5111] video_usercopy+0x89b/0x1180 [ 156.959555][ T5111] ? __pfx___video_do_ioctl+0x10/0x10 [ 156.963075][ T5111] ? __pfx_video_usercopy+0x10/0x10 [ 156.966001][ T5111] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 156.968962][ T5111] v4l2_ioctl+0x18c/0x1e0 [ 156.985069][ T5111] ? __pfx_v4l2_ioctl+0x10/0x10 [ 156.987757][ T5111] __se_sys_ioctl+0xfc/0x170 [ 156.990131][ T5111] do_syscall_64+0xf3/0x230 [ 156.992716][ T5111] ? clear_bhb_loop+0x35/0x90 [ 156.995813][ T5111] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 156.998526][ T5111] RIP: 0033:0x7f12c2a8a939 [ 157.000213][ T5111] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 157.007832][ T5111] RSP: 002b:00007ffcb8e91828 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 157.011048][ T5111] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f12c2a8a939 [ 157.042946][ T5111] RDX: 0000000020000200 RSI: 00000000c0845657 RDI: 0000000000000003 [ 157.046381][ T5111] RBP: 00007f12c2afd5f0 R08: 0000000000000006 R09: 0000000000000006 [ 157.049513][ T5111] R10: 00236962762f7665 R11: 0000000000000246 R12: 0000000000000001 [ 157.069454][ T5111] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 157.073661][ T5111] [ 157.075575][ T5111] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 157.096614][ T5111] CPU: 0 UID: 0 PID: 5111 Comm: syz-executor170 Not tainted 6.11.0-rc5-syzkaller-00219-g1934261d8974 #0 [ 157.102516][ T5111] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 157.108520][ T5111] Call Trace: [ 157.110281][ T5111] [ 157.111780][ T5111] dump_stack_lvl+0x241/0x360 [ 157.115762][ T5111] ? __pfx_dump_stack_lvl+0x10/0x10 [ 157.128867][ T5111] ? __pfx__printk+0x10/0x10 [ 157.131636][ T5111] ? _printk+0xd5/0x120 [ 157.134969][ T5111] ? vscnprintf+0x5d/0x90 [ 157.137468][ T5111] panic+0x349/0x860 [ 157.150863][ T5111] ? __warn+0x172/0x4e0 [ 157.152786][ T5111] ? __pfx_panic+0x10/0x10 [ 157.155084][ T5111] ? show_trace_log_lvl+0x4e6/0x520 [ 157.157711][ T5111] __warn+0x346/0x4e0 [ 157.159577][ T5111] ? __kvmalloc_node_noprof+0x17a/0x190 [ 157.177644][ T5111] report_bug+0x2b3/0x500 [ 157.180393][ T5111] ? __kvmalloc_node_noprof+0x17a/0x190 [ 157.184121][ T5111] handle_bug+0x3e/0x70 [ 157.186191][ T5111] exc_invalid_op+0x1a/0x50 [ 157.188628][ T5111] asm_exc_invalid_op+0x1a/0x20 [ 157.191328][ T5111] RIP: 0010:__kvmalloc_node_noprof+0x17a/0x190 [ 157.199301][ T5111] Code: cc 44 89 fe 81 e6 00 20 00 00 31 ff e8 bf 23 bb ff 41 81 e7 00 20 00 00 74 0a e8 71 1f bb ff e9 3b ff ff ff e8 67 1f bb ff 90 <0f> 0b 90 e9 2d ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 [ 157.206539][ T5111] RSP: 0018:ffffc9000323f930 EFLAGS: 00010293 [ 157.208866][ T5111] RAX: ffffffff81d86cc9 RBX: 00000000da6b5000 RCX: ffff88801ca92440 [ 157.231840][ T5111] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 157.235511][ T5111] RBP: 0000000000000000 R08: ffffffff81d86cb1 R09: 00000000ffffffff [ 157.240817][ T5111] R10: ffffc9000323f7a0 R11: fffff52000647ef9 R12: 00000000da6b5000 [ 157.246128][ T5111] R13: ffffc9000323fa60 R14: 00000000ffffffff R15: 0000000000000000 [ 157.253739][ T5111] ? __kvmalloc_node_noprof+0x161/0x190 [ 157.259040][ T5111] ? __kvmalloc_node_noprof+0x179/0x190 [ 157.262246][ T5111] __v4l2_ctrl_modify_dimensions+0x43b/0xb60 [ 157.267441][ T5111] ? tpg_update_mv_step+0x361/0x4f0 [ 157.271384][ T5111] vivid_update_format_cap+0x133c/0x2090 [ 157.274655][ T5111] ? __pfx_vivid_update_format_cap+0x10/0x10 [ 157.277503][ T5111] vivid_vid_cap_s_dv_timings+0x535/0x1230 [ 157.279638][ T5111] __video_do_ioctl+0xc26/0xde0 [ 157.281437][ T5111] ? __pfx___video_do_ioctl+0x10/0x10 [ 157.286031][ T5111] ? __might_fault+0xc6/0x120 [ 157.290588][ T5111] video_usercopy+0x89b/0x1180 [ 157.293333][ T5111] ? __pfx___video_do_ioctl+0x10/0x10 [ 157.311901][ T5111] ? __pfx_video_usercopy+0x10/0x10 [ 157.314045][ T5111] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 157.316316][ T5111] v4l2_ioctl+0x18c/0x1e0 [ 157.317813][ T5111] ? __pfx_v4l2_ioctl+0x10/0x10 [ 157.319466][ T5111] __se_sys_ioctl+0xfc/0x170 [ 157.321123][ T5111] do_syscall_64+0xf3/0x230 [ 157.322932][ T5111] ? clear_bhb_loop+0x35/0x90 [ 157.324898][ T5111] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 157.327213][ T5111] RIP: 0033:0x7f12c2a8a939 [ 157.346383][ T5111] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 157.356202][ T5111] RSP: 002b:00007ffcb8e91828 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 157.359941][ T5111] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f12c2a8a939 [ 157.363034][ T5111] RDX: 0000000020000200 RSI: 00000000c0845657 RDI: 0000000000000003 [ 157.366196][ T5111] RBP: 00007f12c2afd5f0 R08: 0000000000000006 R09: 0000000000000006 [ 157.385648][ T5111] R10: 00236962762f7665 R11: 0000000000000246 R12: 0000000000000001 [ 157.389408][ T5111] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 157.395617][ T5111] [ 157.397554][ T5111] Kernel Offset: disabled [ 157.399969][ T5111] Rebooting in 86400 seconds.. VM DIAGNOSIS: 18:20:47 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000034 RBX=ffffffff9a668f20 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc9000323f010 R8 =ffffffff854092cb R9 =1ffff11003db3046 R10=dffffc0000000000 R11=ffffffff85409280 R12=dffffc0000000000 R13=0000000000000034 R14=0000000000000034 R15=00000000000003f8 RIP=ffffffff854092fe RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 000055555ed0c380 ffffffff 00c00000 GS =0000 ffff88801fe00000 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f12c2b010f0 CR3=000000003d746000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 Opmask00=00000000fffffe00 Opmask01=0000000000000001 Opmask02=00000000fff7ffff Opmask03=0000000000000000 Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffcb8e91830 0000003000000010 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f12c2b09240 00007f12c2afd5d8 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f12c2aef084 00007f12c2b02240 ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM16=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2323232323232323 2323232323232323 2323232323232323 2323232323232323 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000030 6962762f7665642f ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000013 4a41550c5546470c ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000