Warning: Permanently added '[localhost]:2164' (ED25519) to the list of known hosts. executing program executing program syzkaller login: [ 93.081785][ T5102] ------------[ cut here ]------------ [ 93.084146][ T5102] kmem_cache of name '9p-fcall-cache' already exists executing program executing program executing program executing program [ 93.113052][ T5102] WARNING: CPU: 0 PID: 5102 at mm/slab_common.c:108 __kmem_cache_create_args+0xa7/0x350 [ 93.116499][ T5102] Modules linked in: [ 93.118043][ T5102] CPU: 0 UID: 0 PID: 5102 Comm: syz-executor329 Not tainted 6.12.0-rc1-syzkaller-00125-g0c559323bbaa #0 [ 93.124779][ T5102] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 93.128999][ T5102] RIP: 0010:__kmem_cache_create_args+0xa7/0x350 [ 93.131805][ T5102] Code: 8e 48 8b 1b 48 39 eb 74 25 48 8b 7b f8 4c 89 fe e8 1e e5 e0 09 85 c0 75 e8 90 48 c7 c7 8f 5b 0b 8e 4c 89 fe e8 fa 86 78 ff 90 <0f> 0b 90 90 4c 89 ff be 20 00 00 00 e8 78 e6 e0 09 48 85 c0 0f 85 [ 93.139575][ T5102] RSP: 0018:ffffc90002d4f788 EFLAGS: 00010246 [ 93.142168][ T5102] RAX: ffe33536deca2900 RBX: ffff88803dc7a428 RCX: ffff88801f858000 [ 93.145451][ T5102] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 93.148740][ T5102] RBP: ffffffff8ea1f9c0 R08: ffffffff8155daa2 R09: 1ffff11003f8519a [ 93.152122][ T5102] R10: dffffc0000000000 R11: ffffed1003f8519b R12: 0000000000020018 [ 93.155274][ T5102] R13: 0000000000000000 R14: ffffc90002d4f860 R15: ffffffff8d2dec20 [ 93.159353][ T5102] FS: 000055556513a380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 [ 93.163301][ T5102] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.165856][ T5102] CR2: 00007fe537770ea0 CR3: 00000000378aa000 CR4: 0000000000352ef0 [ 93.168924][ T5102] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 93.172240][ T5102] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 93.176032][ T5102] Call Trace: [ 93.177813][ T5102] [ 93.179314][ T5102] ? __warn+0x168/0x4e0 [ 93.181218][ T5102] ? __kmem_cache_create_args+0xa7/0x350 [ 93.183445][ T5102] ? report_bug+0x2b3/0x500 [ 93.185222][ T5102] ? __kmem_cache_create_args+0xa7/0x350 [ 93.187350][ T5102] ? handle_bug+0x60/0x90 [ 93.189201][ T5102] ? exc_invalid_op+0x1a/0x50 [ 93.191076][ T5102] ? asm_exc_invalid_op+0x1a/0x20 [ 93.193672][ T5102] ? __warn_printk+0x292/0x360 [ 93.196950][ T5102] ? __kmem_cache_create_args+0xa7/0x350 [ 93.199643][ T5102] ? __kmem_cache_create_args+0xa6/0x350 [ 93.201808][ T5102] p9_client_create+0xba5/0x1110 [ 93.203808][ T5102] ? __pfx_p9_client_create+0x10/0x10 [ 93.205917][ T5102] ? __asan_memset+0x23/0x50 [ 93.207880][ T5102] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 93.210586][ T5102] ? __raw_spin_lock_init+0x45/0x100 [ 93.212982][ T5102] v9fs_session_init+0x1e4/0x1b80 [ 93.215169][ T5102] ? __pfx_v9fs_session_init+0x10/0x10 [ 93.217453][ T5102] ? __kasan_kmalloc+0x98/0xb0 [ 93.219525][ T5102] ? v9fs_mount+0xb2/0xaa0 [ 93.221388][ T5102] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 93.223669][ T5102] v9fs_mount+0xcf/0xaa0 [ 93.225554][ T5102] ? __pfx_aa_get_newest_label+0x10/0x10 [ 93.228358][ T5102] ? __pfx_v9fs_mount+0x10/0x10 [ 93.230958][ T5102] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 93.233338][ T5102] legacy_get_tree+0xee/0x190 [ 93.235241][ T5102] ? __pfx_v9fs_mount+0x10/0x10 [ 93.237124][ T5102] vfs_get_tree+0x90/0x2b0 [ 93.238858][ T5102] do_new_mount+0x2be/0xb40 [ 93.240732][ T5102] ? __pfx_do_new_mount+0x10/0x10 [ 93.242666][ T5102] __se_sys_mount+0x2d6/0x3c0 [ 93.244576][ T5102] ? __pfx___se_sys_mount+0x10/0x10 [ 93.246931][ T5102] ? exc_page_fault+0x590/0x8c0 [ 93.249590][ T5102] ? __x64_sys_mount+0x20/0xc0 [ 93.251816][ T5102] do_syscall_64+0xf3/0x230 [ 93.253609][ T5102] ? clear_bhb_loop+0x35/0x90 [ 93.255333][ T5102] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.257562][ T5102] RIP: 0033:0x7f65721d6e29 [ 93.259456][ T5102] 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 [ 93.267629][ T5102] RSP: 002b:00007ffed8e37398 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 93.271188][ T5102] RAX: ffffffffffffffda RBX: 00007f657222004e RCX: 00007f65721d6e29 [ 93.274313][ T5102] RDX: 00000000200004c0 RSI: 0000000020000000 RDI: 0000000000000000 [ 93.277341][ T5102] RBP: 00000000000f4240 R08: 0000000020000700 R09: 00000000000000a0 [ 93.281766][ T5102] R10: 0000000000010400 R11: 0000000000000246 R12: 0000000000000001 [ 93.286090][ T5102] R13: 00007ffed8e375b8 R14: 00007ffed8e373c0 R15: 00007ffed8e373b0 [ 93.289591][ T5102] [ 93.290805][ T5102] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 93.293704][ T5102] CPU: 0 UID: 0 PID: 5102 Comm: syz-executor329 Not tainted 6.12.0-rc1-syzkaller-00125-g0c559323bbaa #0 [ 93.298093][ T5102] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 93.302318][ T5102] Call Trace: [ 93.303536][ T5102] [ 93.304677][ T5102] dump_stack_lvl+0x241/0x360 [ 93.306617][ T5102] ? __pfx_dump_stack_lvl+0x10/0x10 [ 93.309163][ T5102] ? __pfx__printk+0x10/0x10 [ 93.311283][ T5102] ? vscnprintf+0x5d/0x90 [ 93.313212][ T5102] panic+0x349/0x880 [ 93.314620][ T5102] ? __warn+0x177/0x4e0 [ 93.316132][ T5102] ? __pfx_panic+0x10/0x10 [ 93.317912][ T5102] __warn+0x34b/0x4e0 [ 93.319468][ T5102] ? __kmem_cache_create_args+0xa7/0x350 [ 93.321770][ T5102] report_bug+0x2b3/0x500 [ 93.323850][ T5102] ? __kmem_cache_create_args+0xa7/0x350 [ 93.326681][ T5102] handle_bug+0x60/0x90 [ 93.328775][ T5102] exc_invalid_op+0x1a/0x50 [ 93.330637][ T5102] asm_exc_invalid_op+0x1a/0x20 [ 93.332530][ T5102] RIP: 0010:__kmem_cache_create_args+0xa7/0x350 [ 93.334907][ T5102] Code: 8e 48 8b 1b 48 39 eb 74 25 48 8b 7b f8 4c 89 fe e8 1e e5 e0 09 85 c0 75 e8 90 48 c7 c7 8f 5b 0b 8e 4c 89 fe e8 fa 86 78 ff 90 <0f> 0b 90 90 4c 89 ff be 20 00 00 00 e8 78 e6 e0 09 48 85 c0 0f 85 [ 93.342476][ T5102] RSP: 0018:ffffc90002d4f788 EFLAGS: 00010246 [ 93.345156][ T5102] RAX: ffe33536deca2900 RBX: ffff88803dc7a428 RCX: ffff88801f858000 [ 93.348755][ T5102] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 93.352185][ T5102] RBP: ffffffff8ea1f9c0 R08: ffffffff8155daa2 R09: 1ffff11003f8519a [ 93.355124][ T5102] R10: dffffc0000000000 R11: ffffed1003f8519b R12: 0000000000020018 [ 93.358180][ T5102] R13: 0000000000000000 R14: ffffc90002d4f860 R15: ffffffff8d2dec20 [ 93.362726][ T5102] ? __warn_printk+0x292/0x360 [ 93.365369][ T5102] ? __kmem_cache_create_args+0xa6/0x350 [ 93.367839][ T5102] p9_client_create+0xba5/0x1110 [ 93.369777][ T5102] ? __pfx_p9_client_create+0x10/0x10 [ 93.371868][ T5102] ? __asan_memset+0x23/0x50 [ 93.373665][ T5102] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 93.375927][ T5102] ? __raw_spin_lock_init+0x45/0x100 [ 93.378047][ T5102] v9fs_session_init+0x1e4/0x1b80 [ 93.380155][ T5102] ? __pfx_v9fs_session_init+0x10/0x10 [ 93.382731][ T5102] ? __kasan_kmalloc+0x98/0xb0 [ 93.385101][ T5102] ? v9fs_mount+0xb2/0xaa0 [ 93.387393][ T5102] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 93.390262][ T5102] v9fs_mount+0xcf/0xaa0 [ 93.392025][ T5102] ? __pfx_aa_get_newest_label+0x10/0x10 [ 93.394271][ T5102] ? __pfx_v9fs_mount+0x10/0x10 [ 93.396135][ T5102] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 93.398349][ T5102] legacy_get_tree+0xee/0x190 [ 93.400225][ T5102] ? __pfx_v9fs_mount+0x10/0x10 [ 93.402182][ T5102] vfs_get_tree+0x90/0x2b0 [ 93.404156][ T5102] do_new_mount+0x2be/0xb40 [ 93.406268][ T5102] ? __pfx_do_new_mount+0x10/0x10 [ 93.408548][ T5102] __se_sys_mount+0x2d6/0x3c0 [ 93.410770][ T5102] ? __pfx___se_sys_mount+0x10/0x10 [ 93.412969][ T5102] ? exc_page_fault+0x590/0x8c0 [ 93.414912][ T5102] ? __x64_sys_mount+0x20/0xc0 [ 93.416817][ T5102] do_syscall_64+0xf3/0x230 [ 93.418637][ T5102] ? clear_bhb_loop+0x35/0x90 [ 93.420503][ T5102] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.423011][ T5102] RIP: 0033:0x7f65721d6e29 [ 93.425088][ T5102] 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 [ 93.434187][ T5102] RSP: 002b:00007ffed8e37398 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 93.437413][ T5102] RAX: ffffffffffffffda RBX: 00007f657222004e RCX: 00007f65721d6e29 [ 93.440543][ T5102] RDX: 00000000200004c0 RSI: 0000000020000000 RDI: 0000000000000000 [ 93.444515][ T5102] RBP: 00000000000f4240 R08: 0000000020000700 R09: 00000000000000a0 [ 93.447613][ T5102] R10: 0000000000010400 R11: 0000000000000246 R12: 0000000000000001 [ 93.450685][ T5102] R13: 00007ffed8e375b8 R14: 00007ffed8e373c0 R15: 00007ffed8e373b0 [ 93.453608][ T5102] [ 93.455037][ T5102] Kernel Offset: disabled [ 93.456808][ T5102] Rebooting in 86400 seconds.. VM DIAGNOSIS: 17:55:35 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000043 RBX=ffffffff9a711e40 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc90002d4eeb0 R8 =ffffffff8549705b R9 =1ffff11003d8b046 R10=dffffc0000000000 R11=ffffffff85497010 R12=dffffc0000000000 R13=ffffffff9a40cef8 R14=0000000000000043 R15=00000000000003f8 RIP=ffffffff8549708e 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 000055556513a380 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=00007fe537770ea0 CR3=00000000378aa000 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=0000000000800000 Opmask01=0000000000000001 Opmask02=00000000fff7ffff Opmask03=0000000000000000 Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f6572255b40 00007f6572255b40 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f6572255b30 00007f6572255b30 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f6572256320 00007f657224a5d8 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f657223bf24 00007f657224f240 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 2f2f2f2f2f2f2f2f 2f2f2f2f2f2f2f2f 2f2f2f2f2f2f2f2f 2f2f2f2f2f2f2f2f ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6f6f723d52455355 0039383533333234 393233726f747563 6578652d7a79732f 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