Warning: Permanently added '[localhost]:41314' (ED25519) to the list of known hosts. executing program [ 68.056862][ T5304] loop0: detected capacity change from 0 to 128 [ 68.083307][ T5304] VFS: Found a Xenix FS (block size = 1024) on device loop0 [ 68.086321][ T5304] Bad inode number on dev loop0: 2 is out of range [ 68.089063][ T5304] SysV FS: get root inode failed [ 68.091140][ T5304] oldfs: cannot read superblock [ 68.104031][ T5304] ------------[ cut here ]------------ [ 68.106606][ T5304] VFS: brelse: Trying to free free buffer [ 68.109283][ T5304] WARNING: CPU: 0 PID: 5304 at fs/buffer.c:1229 invalidate_bh_lru+0x102/0x1b0 [ 68.113044][ T5304] Modules linked in: [ 68.115095][ T5304] CPU: 0 UID: 0 PID: 5304 Comm: syz-executor456 Not tainted 6.14.0-rc5-syzkaller-00268-g1110ce6a1e34 #0 [ 68.121466][ T5304] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 68.126985][ T5304] RIP: 0010:invalidate_bh_lru+0x102/0x1b0 [ 68.129610][ T5304] Code: 44 7a db ff 3e ff 0b eb 25 e8 da 31 74 ff 41 80 3c 2e 00 75 2a eb 30 e8 cc 31 74 ff 90 48 c7 c7 e0 6f 39 8c e8 6f ee 33 ff 90 <0f> 0b 90 90 48 bd 00 00 00 00 00 fc ff df 41 80 3c 2e 00 74 08 4c [ 68.137309][ T5304] RSP: 0018:ffffc9000d32fa28 EFLAGS: 00010046 [ 68.139861][ T5304] RAX: e2e2e3aee6845500 RBX: ffff8880459f0b40 RCX: ffff888000118000 [ 68.143274][ T5304] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 68.146610][ T5304] RBP: 0000000000000000 R08: ffffffff81819e52 R09: 1ffff11003f8519a [ 68.149930][ T5304] R10: dffffc0000000000 R11: ffffed1003f8519b R12: ffff88801fc398d8 [ 68.153256][ T5304] R13: 0000000000000000 R14: 1ffff11003f8731b R15: ffff88801fc398d8 [ 68.156605][ T5304] FS: 000055555a856380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 [ 68.160891][ T5304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.163911][ T5304] CR2: 0000557f8fd3e618 CR3: 00000000409c6000 CR4: 0000000000352ef0 [ 68.167008][ T5304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.170297][ T5304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.173894][ T5304] Call Trace: [ 68.175496][ T5304] [ 68.176937][ T5304] ? __warn+0x165/0x4d0 [ 68.178904][ T5304] ? invalidate_bh_lru+0x102/0x1b0 [ 68.181576][ T5304] ? report_bug+0x2b3/0x500 [ 68.184059][ T5304] ? invalidate_bh_lru+0x102/0x1b0 [ 68.186897][ T5304] ? handle_bug+0x60/0x90 [ 68.189305][ T5304] ? exc_invalid_op+0x1a/0x50 [ 68.191898][ T5304] ? asm_exc_invalid_op+0x1a/0x20 [ 68.194484][ T5304] ? __warn_printk+0x292/0x360 [ 68.196505][ T5304] ? invalidate_bh_lru+0x102/0x1b0 [ 68.198645][ T5304] ? invalidate_bh_lru+0x101/0x1b0 [ 68.200886][ T5304] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 68.203377][ T5304] smp_call_function_many_cond+0x1701/0x2d30 [ 68.205848][ T5304] ? __pfx_has_bh_in_lru+0x10/0x10 [ 68.208059][ T5304] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 68.210287][ T5304] ? __pfx_smp_call_function_many_cond+0x10/0x10 [ 68.212936][ T5304] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 68.215251][ T5304] ? __pfx_has_bh_in_lru+0x10/0x10 [ 68.217454][ T5304] on_each_cpu_cond_mask+0x3f/0x80 [ 68.219649][ T5304] blkdev_flush_mapping+0xfe/0x270 [ 68.221854][ T5304] ? bdev_release+0x456/0x700 [ 68.223845][ T5304] bdev_release+0x460/0x700 [ 68.225769][ T5304] blkdev_release+0x15/0x20 [ 68.227788][ T5304] ? __pfx_blkdev_release+0x10/0x10 [ 68.230054][ T5304] __fput+0x3e9/0x9f0 [ 68.231841][ T5304] task_work_run+0x24f/0x310 [ 68.233862][ T5304] ? __pfx_task_work_run+0x10/0x10 [ 68.236098][ T5304] ? syscall_exit_to_user_mode+0xa3/0x340 [ 68.238583][ T5304] syscall_exit_to_user_mode+0x13f/0x340 [ 68.241019][ T5304] do_syscall_64+0x100/0x230 [ 68.243020][ T5304] ? clear_bhb_loop+0x35/0x90 [ 68.245078][ T5304] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.247626][ T5304] RIP: 0033:0x7f23b7d1ddea [ 68.249578][ T5304] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 68.257737][ T5304] RSP: 002b:00007ffd02205318 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 68.261328][ T5304] RAX: ffffffffffffffea RBX: 00007ffd02205330 RCX: 00007f23b7d1ddea [ 68.264744][ T5304] RDX: 0000400000000000 RSI: 0000400000000100 RDI: 00007ffd02205330 [ 68.268286][ T5304] RBP: 0000400000000100 R08: 00007ffd02205370 R09: 0000000000009eaf [ 68.271636][ T5304] R10: 0000000002000412 R11: 0000000000000282 R12: 0000400000000000 [ 68.274835][ T5304] R13: 00007ffd02205370 R14: 0000000000000003 R15: 0000000002000412 [ 68.278161][ T5304] [ 68.279479][ T5304] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 68.282157][ T5304] CPU: 0 UID: 0 PID: 5304 Comm: syz-executor456 Not tainted 6.14.0-rc5-syzkaller-00268-g1110ce6a1e34 #0 [ 68.286257][ T5304] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 68.290458][ T5304] Call Trace: [ 68.291895][ T5304] [ 68.293065][ T5304] dump_stack_lvl+0x241/0x360 [ 68.294870][ T5304] ? __pfx_dump_stack_lvl+0x10/0x10 [ 68.296820][ T5304] ? __pfx__printk+0x10/0x10 [ 68.298544][ T5304] ? _printk+0xd5/0x120 [ 68.300347][ T5304] ? __init_begin+0x41000/0x41000 [ 68.302341][ T5304] ? vscnprintf+0x5d/0x90 [ 68.304202][ T5304] panic+0x349/0x880 [ 68.305843][ T5304] ? __warn+0x174/0x4d0 [ 68.307747][ T5304] ? __pfx_panic+0x10/0x10 [ 68.309600][ T5304] __warn+0x344/0x4d0 [ 68.311323][ T5304] ? invalidate_bh_lru+0x102/0x1b0 [ 68.313524][ T5304] report_bug+0x2b3/0x500 [ 68.315348][ T5304] ? invalidate_bh_lru+0x102/0x1b0 [ 68.317443][ T5304] handle_bug+0x60/0x90 [ 68.319138][ T5304] exc_invalid_op+0x1a/0x50 [ 68.321028][ T5304] asm_exc_invalid_op+0x1a/0x20 [ 68.323042][ T5304] RIP: 0010:invalidate_bh_lru+0x102/0x1b0 [ 68.325444][ T5304] Code: 44 7a db ff 3e ff 0b eb 25 e8 da 31 74 ff 41 80 3c 2e 00 75 2a eb 30 e8 cc 31 74 ff 90 48 c7 c7 e0 6f 39 8c e8 6f ee 33 ff 90 <0f> 0b 90 90 48 bd 00 00 00 00 00 fc ff df 41 80 3c 2e 00 74 08 4c [ 68.333275][ T5304] RSP: 0018:ffffc9000d32fa28 EFLAGS: 00010046 [ 68.335849][ T5304] RAX: e2e2e3aee6845500 RBX: ffff8880459f0b40 RCX: ffff888000118000 [ 68.339152][ T5304] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 68.342419][ T5304] RBP: 0000000000000000 R08: ffffffff81819e52 R09: 1ffff11003f8519a [ 68.345664][ T5304] R10: dffffc0000000000 R11: ffffed1003f8519b R12: ffff88801fc398d8 [ 68.349000][ T5304] R13: 0000000000000000 R14: 1ffff11003f8731b R15: ffff88801fc398d8 [ 68.352217][ T5304] ? __warn_printk+0x292/0x360 [ 68.354113][ T5304] ? invalidate_bh_lru+0x101/0x1b0 [ 68.356295][ T5304] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 68.358611][ T5304] smp_call_function_many_cond+0x1701/0x2d30 [ 68.361169][ T5304] ? __pfx_has_bh_in_lru+0x10/0x10 [ 68.363316][ T5304] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 68.365566][ T5304] ? __pfx_smp_call_function_many_cond+0x10/0x10 [ 68.368214][ T5304] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 68.370473][ T5304] ? __pfx_has_bh_in_lru+0x10/0x10 [ 68.372640][ T5304] on_each_cpu_cond_mask+0x3f/0x80 [ 68.374704][ T5304] blkdev_flush_mapping+0xfe/0x270 [ 68.376816][ T5304] ? bdev_release+0x456/0x700 [ 68.378801][ T5304] bdev_release+0x460/0x700 [ 68.380815][ T5304] blkdev_release+0x15/0x20 [ 68.382708][ T5304] ? __pfx_blkdev_release+0x10/0x10 [ 68.384941][ T5304] __fput+0x3e9/0x9f0 [ 68.386643][ T5304] task_work_run+0x24f/0x310 [ 68.388656][ T5304] ? __pfx_task_work_run+0x10/0x10 [ 68.390684][ T5304] ? syscall_exit_to_user_mode+0xa3/0x340 [ 68.393038][ T5304] syscall_exit_to_user_mode+0x13f/0x340 [ 68.395221][ T5304] do_syscall_64+0x100/0x230 [ 68.397076][ T5304] ? clear_bhb_loop+0x35/0x90 [ 68.399000][ T5304] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.401286][ T5304] RIP: 0033:0x7f23b7d1ddea [ 68.403165][ T5304] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 68.410675][ T5304] RSP: 002b:00007ffd02205318 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 68.414027][ T5304] RAX: ffffffffffffffea RBX: 00007ffd02205330 RCX: 00007f23b7d1ddea [ 68.417245][ T5304] RDX: 0000400000000000 RSI: 0000400000000100 RDI: 00007ffd02205330 [ 68.420441][ T5304] RBP: 0000400000000100 R08: 00007ffd02205370 R09: 0000000000009eaf [ 68.423747][ T5304] R10: 0000000002000412 R11: 0000000000000282 R12: 0000400000000000 [ 68.426985][ T5304] R13: 00007ffd02205370 R14: 0000000000000003 R15: 0000000002000412 [ 68.430209][ T5304] [ 68.431841][ T5304] Kernel Offset: disabled [ 68.433952][ T5304] Rebooting in 86400 seconds.. VM DIAGNOSIS: 21:36:26 Registers: info registers vcpu 0 CPU#0 RAX=1ffffffff3532e60 RBX=ffffffff9a997100 RCX=0000000000000000 RDX=00000000000003fd RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc9000d32f0f8 R8 =ffffffff85842f56 R9 =1ffff11003caf046 R10=dffffc0000000000 R11=ffffffff85842f10 R12=0000000000000000 R13=1ffffffff3532e72 R14=00000000000003fd R15=dffffc0000000000 RIP=ffffffff85842f86 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 000055555a856380 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=0000557f8fd3e618 CR3=00000000409c6000 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=00000000fefeffd0 Opmask01=0000000000004211 Opmask02=000000000000ffdf Opmask03=0000000000000000 Opmask04=00000000ffffffff Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fff8b60f580 0000003000000010 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 2a2a2a2a2a2a2a2a 2a2a2a2a2a2a2a2a ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffff0000ff000000 0000000000000000 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffffffffffffffff ffffffffffffffff ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffff0000ff000000 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 656c696620732520 6465746165726300 0a73253a47000a73 253d73253a45000a ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 40494c4305560005 4140514440574600 0a56001f47000a56 001856001f45000a ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 726e7b120eb36b5a 63732c0cafbc1fcd 72656e776f5f656e 617020737265746a ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f074d49aa2a 00007fff8b60f4c0 00007fff8b60f580 0000003000000010 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 37354f31747e9b1e 00002a8004b28430 0000000000000c98 0000554f8fd270e0 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 77ff7fff7effff7f 63732e8cafbe9ffd 767d7ff7ffdfffff 61707ffffff7fffa ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 4c3d3a3a26333d3a 3a263c3d3a3a263f 3d3a3a263e3d3a3a 26383d3a3a263a3d ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000007 000055776f5f0f67 0000207372655e00 ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000556500000000 0000003000000000 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