Warning: Permanently added '[localhost]:43942' (ED25519) to the list of known hosts. executing program syzkaller login: [ 94.346490][ T5107] 9pnet_virtio: no channels available for device syz executing program executing program executing program [ 94.351762][ T5112] 9pnet_virtio: no channels available for device syz [ 94.357968][ T5113] 9pnet_virtio: no channels available for device syz [ 94.364182][ T5114] 9pnet_virtio: no channels available for device syz executing program executing program [ 94.382494][ T5115] 9pnet_virtio: no channels available for device syz executing program [ 94.416079][ T5117] 9pnet_virtio: no channels available for device syz executing program executing program executing program [ 94.431114][ T5118] 9pnet_virtio: no channels available for device syz [ 94.446585][ T5119] 9pnet_virtio: no channels available for device syz [ 94.456784][ T5120] 9pnet_virtio: no channels available for device syz executing program [ 94.492074][ T5123] 9pnet_virtio: no channels available for device syz executing program executing program [ 94.511533][ T5122] 9pnet_virtio: no channels available for device syz executing program executing program [ 94.524363][ T5124] 9pnet_virtio: no channels available for device syz [ 94.531539][ T5125] 9pnet_virtio: no channels available for device syz executing program executing program [ 94.581838][ T5127] 9pnet_virtio: no channels available for device syz executing program [ 94.590027][ T5128] 9pnet_virtio: no channels available for device syz [ 94.598211][ T5129] 9pnet_virtio: no channels available for device syz [ 94.603768][ T5130] 9pnet_virtio: no channels available for device syz executing program executing program executing program executing program [ 94.644132][ T5132] 9pnet_virtio: no channels available for device syz [ 94.648333][ T5131] ------------[ cut here ]------------ [ 94.651365][ T5131] kmem_cache of name '9p-fcall-cache' already exists executing program [ 94.681071][ T5133] 9pnet_virtio: no channels available for device syz [ 94.697497][ T5135] 9pnet_virtio: no channels available for device syz [ 94.703558][ T5136] 9pnet_virtio: no channels available for device syz [ 94.708139][ T5134] 9pnet_virtio: no channels available for device syz [ 94.712284][ T5131] WARNING: CPU: 0 PID: 5131 at mm/slab_common.c:108 __kmem_cache_create_args+0xa7/0x350 [ 94.716540][ T5131] Modules linked in: [ 94.718131][ T5131] CPU: 0 UID: 0 PID: 5131 Comm: syz-executor151 Not tainted 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7 #0 [ 94.723356][ T5131] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 94.729595][ T5131] RIP: 0010:__kmem_cache_create_args+0xa7/0x350 [ 94.732311][ T5131] Code: 8e 48 8b 1b 48 39 eb 74 25 48 8b 7b f8 4c 89 fe e8 de dc e0 09 85 c0 75 e8 90 48 c7 c7 c5 5e 0b 8e 4c 89 fe e8 ba 8e 78 ff 90 <0f> 0b 90 90 4c 89 ff be 20 00 00 00 e8 38 de e0 09 48 85 c0 0f 85 [ 94.739726][ T5131] RSP: 0018:ffffc90002e3f788 EFLAGS: 00010246 [ 94.742497][ T5131] RAX: cd2edfb8945a5000 RBX: ffff88803d021428 RCX: ffff888000800000 [ 94.746195][ T5131] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 94.749476][ T5131] RBP: ffffffff8ea1f9c0 R08: ffffffff8155daa2 R09: fffffbfff1cf9fd8 [ 94.752309][ T5131] R10: dffffc0000000000 R11: fffffbfff1cf9fd8 R12: 0000000000020018 [ 94.755436][ T5131] R13: 0000000000000000 R14: ffffc90002e3f860 R15: ffffffff8d2def00 [ 94.758827][ T5131] FS: 000055557b120380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 [ 94.763387][ T5131] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.766102][ T5131] CR2: 00007ffef0e93a68 CR3: 0000000035ef0000 CR4: 0000000000352ef0 [ 94.769122][ T5131] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 94.772116][ T5131] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 94.775410][ T5131] Call Trace: [ 94.777055][ T5131] [ 94.778508][ T5131] ? __warn+0x168/0x4e0 [ 94.780647][ T5131] ? __kmem_cache_create_args+0xa7/0x350 [ 94.783432][ T5131] ? report_bug+0x2b3/0x500 [ 94.785256][ T5131] ? __kmem_cache_create_args+0xa7/0x350 [ 94.787323][ T5131] ? handle_bug+0x60/0x90 [ 94.789055][ T5131] ? exc_invalid_op+0x1a/0x50 [ 94.790874][ T5131] ? asm_exc_invalid_op+0x1a/0x20 [ 94.792631][ T5131] ? __warn_printk+0x292/0x360 [ 94.794673][ T5131] ? __kmem_cache_create_args+0xa7/0x350 [ 94.797824][ T5131] ? __kmem_cache_create_args+0xa6/0x350 [ 94.801070][ T5131] p9_client_create+0xba5/0x1110 [ 94.803408][ T5131] ? __pfx_p9_client_create+0x10/0x10 [ 94.805520][ T5131] ? __asan_memset+0x23/0x50 [ 94.807237][ T5131] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 94.809395][ T5131] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 94.811742][ T5131] ? __raw_spin_lock_init+0x45/0x100 [ 94.813880][ T5131] v9fs_session_init+0x1e4/0x1b80 [ 94.817145][ T5131] ? __pfx_v9fs_session_init+0x10/0x10 [ 94.820772][ T5131] ? __kasan_kmalloc+0x98/0xb0 [ 94.822761][ T5131] ? v9fs_mount+0xb2/0xaa0 [ 94.824433][ T5131] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 94.826761][ T5131] v9fs_mount+0xcf/0xaa0 [ 94.828447][ T5131] ? __pfx_aa_get_newest_label+0x10/0x10 [ 94.830438][ T5131] ? __pfx_v9fs_mount+0x10/0x10 [ 94.832301][ T5131] ? vfs_parse_fs_string+0x190/0x230 [ 94.834411][ T5131] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 94.837045][ T5131] legacy_get_tree+0xee/0x190 [ 94.839578][ T5131] ? __pfx_v9fs_mount+0x10/0x10 [ 94.841995][ T5131] vfs_get_tree+0x90/0x2b0 [ 94.844035][ T5131] do_new_mount+0x2be/0xb40 [ 94.845962][ T5131] ? __pfx_do_new_mount+0x10/0x10 [ 94.847954][ T5131] __se_sys_mount+0x2d6/0x3c0 [ 94.849775][ T5131] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 94.852114][ T5131] ? __pfx___se_sys_mount+0x10/0x10 [ 94.854232][ T5131] ? do_syscall_64+0x100/0x230 [ 94.856869][ T5131] ? __x64_sys_mount+0x20/0xc0 [ 94.859098][ T5131] do_syscall_64+0xf3/0x230 [ 94.861129][ T5131] ? clear_bhb_loop+0x35/0x90 [ 94.863013][ T5131] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.865535][ T5131] RIP: 0033:0x7fb9e27eb299 [ 94.867166][ T5131] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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 [ 94.876287][ T5131] RSP: 002b:00007ffef0e93b68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 94.879688][ T5131] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007fb9e27eb299 [ 94.882771][ T5131] RDX: 00000000200004c0 RSI: 0000000020000480 RDI: 00000000200001c0 [ 94.885922][ T5131] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000004 [ 94.889449][ T5131] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffef0e93b8c [ 94.893613][ T5131] R13: 00007ffef0e93bc0 R14: 00007ffef0e93ba0 R15: 0000000000000003 [ 94.897614][ T5131] [ 94.898897][ T5131] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 94.902036][ T5131] CPU: 0 UID: 0 PID: 5131 Comm: syz-executor151 Not tainted 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7 #0 [ 94.906513][ T5131] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 94.910547][ T5131] Call Trace: [ 94.911967][ T5131] [ 94.913241][ T5131] dump_stack_lvl+0x241/0x360 [ 94.915300][ T5131] ? __pfx_dump_stack_lvl+0x10/0x10 [ 94.917621][ T5131] ? __pfx__printk+0x10/0x10 [ 94.919736][ T5131] ? vscnprintf+0x5d/0x90 [ 94.921618][ T5131] panic+0x349/0x880 [ 94.923270][ T5131] ? __warn+0x177/0x4e0 [ 94.924957][ T5131] ? __pfx_panic+0x10/0x10 [ 94.926770][ T5131] __warn+0x34b/0x4e0 [ 94.928404][ T5131] ? __kmem_cache_create_args+0xa7/0x350 [ 94.930348][ T5131] report_bug+0x2b3/0x500 [ 94.931976][ T5131] ? __kmem_cache_create_args+0xa7/0x350 [ 94.934333][ T5131] handle_bug+0x60/0x90 [ 94.936167][ T5131] exc_invalid_op+0x1a/0x50 [ 94.937956][ T5131] asm_exc_invalid_op+0x1a/0x20 [ 94.939863][ T5131] RIP: 0010:__kmem_cache_create_args+0xa7/0x350 [ 94.942408][ T5131] Code: 8e 48 8b 1b 48 39 eb 74 25 48 8b 7b f8 4c 89 fe e8 de dc e0 09 85 c0 75 e8 90 48 c7 c7 c5 5e 0b 8e 4c 89 fe e8 ba 8e 78 ff 90 <0f> 0b 90 90 4c 89 ff be 20 00 00 00 e8 38 de e0 09 48 85 c0 0f 85 [ 94.950723][ T5131] RSP: 0018:ffffc90002e3f788 EFLAGS: 00010246 [ 94.953906][ T5131] RAX: cd2edfb8945a5000 RBX: ffff88803d021428 RCX: ffff888000800000 [ 94.957168][ T5131] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 94.960258][ T5131] RBP: ffffffff8ea1f9c0 R08: ffffffff8155daa2 R09: fffffbfff1cf9fd8 [ 94.963431][ T5131] R10: dffffc0000000000 R11: fffffbfff1cf9fd8 R12: 0000000000020018 [ 94.967220][ T5131] R13: 0000000000000000 R14: ffffc90002e3f860 R15: ffffffff8d2def00 [ 94.971142][ T5131] ? __warn_printk+0x292/0x360 [ 94.973303][ T5131] ? __kmem_cache_create_args+0xa6/0x350 [ 94.975613][ T5131] p9_client_create+0xba5/0x1110 [ 94.977613][ T5131] ? __pfx_p9_client_create+0x10/0x10 [ 94.979722][ T5131] ? __asan_memset+0x23/0x50 [ 94.981660][ T5131] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 94.984194][ T5131] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 94.986992][ T5131] ? __raw_spin_lock_init+0x45/0x100 [ 94.989384][ T5131] v9fs_session_init+0x1e4/0x1b80 [ 94.991549][ T5131] ? __pfx_v9fs_session_init+0x10/0x10 [ 94.993719][ T5131] ? __kasan_kmalloc+0x98/0xb0 [ 94.995583][ T5131] ? v9fs_mount+0xb2/0xaa0 [ 94.997418][ T5131] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 94.999960][ T5131] v9fs_mount+0xcf/0xaa0 [ 95.001952][ T5131] ? __pfx_aa_get_newest_label+0x10/0x10 [ 95.004639][ T5131] ? __pfx_v9fs_mount+0x10/0x10 [ 95.006425][ T5131] ? vfs_parse_fs_string+0x190/0x230 [ 95.008449][ T5131] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 95.010856][ T5131] legacy_get_tree+0xee/0x190 [ 95.013103][ T5131] ? __pfx_v9fs_mount+0x10/0x10 [ 95.015338][ T5131] vfs_get_tree+0x90/0x2b0 [ 95.017203][ T5131] do_new_mount+0x2be/0xb40 [ 95.018977][ T5131] ? __pfx_do_new_mount+0x10/0x10 [ 95.020836][ T5131] __se_sys_mount+0x2d6/0x3c0 [ 95.022796][ T5131] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 95.025787][ T5131] ? __pfx___se_sys_mount+0x10/0x10 [ 95.028819][ T5131] ? do_syscall_64+0x100/0x230 [ 95.031114][ T5131] ? __x64_sys_mount+0x20/0xc0 [ 95.033006][ T5131] do_syscall_64+0xf3/0x230 [ 95.034809][ T5131] ? clear_bhb_loop+0x35/0x90 [ 95.036705][ T5131] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.039043][ T5131] RIP: 0033:0x7fb9e27eb299 [ 95.040863][ T5131] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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 [ 95.049986][ T5131] RSP: 002b:00007ffef0e93b68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 95.053339][ T5131] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007fb9e27eb299 [ 95.056466][ T5131] RDX: 00000000200004c0 RSI: 0000000020000480 RDI: 00000000200001c0 [ 95.059613][ T5131] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000004 [ 95.063277][ T5131] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffef0e93b8c [ 95.067053][ T5131] R13: 00007ffef0e93bc0 R14: 00007ffef0e93ba0 R15: 0000000000000003 [ 95.070499][ T5131] [ 95.072031][ T5131] Kernel Offset: disabled [ 95.073864][ T5131] Rebooting in 86400 seconds.. VM DIAGNOSIS: 05:38:07 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000038 RBX=ffffffff9a711e40 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc90002e3eeb0 R8 =ffffffff85496a1b R9 =1ffff11003dc6046 R10=dffffc0000000000 R11=ffffffff854969d0 R12=dffffc0000000000 R13=ffffffff9a40ceea R14=0000000000000038 R15=00000000000003f8 RIP=ffffffff85496a4e 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 000055557b120380 ffffffff 00c00000 GS =0000 ffff88801fc00000 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=00007ffef0e93a68 CR3=0000000035ef0000 CR4=00352ef0 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=0000000002000801 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 00007ffef0e93b70 0000003000000010 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffffffffffffffff ffffffff0f0e0d0c 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 2525252525252525 2525252525252525 2525252525252525 2525252525252525 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 7475636578650073 667265646e69622f 7665642f00736672 65646e69622f2e00 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 515046405d400056 435740414b4c470a 5340410a00564357 40414b4c470a0b00 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