Warning: Permanently added '[localhost]:51319' (ED25519) to the list of known hosts. executing program [ 68.870781][ T5310] loop0: detected capacity change from 0 to 128 [ 68.895247][ T5310] VFS: Found a Xenix FS (block size = 1024) on device loop0 [ 68.903960][ T5310] Bad inode number on dev loop0: 2 is out of range [ 68.914364][ T5310] SysV FS: get root inode failed [ 68.917133][ T5310] oldfs: cannot read superblock [ 68.919389][ T5310] ------------[ cut here ]------------ [ 68.921497][ T5310] VFS: brelse: Trying to free free buffer [ 68.923729][ T5310] WARNING: CPU: 0 PID: 5310 at fs/buffer.c:1235 invalidate_bh_lru+0x102/0x1b0 [ 68.927033][ T5310] Modules linked in: [ 68.928483][ T5310] CPU: 0 UID: 0 PID: 5310 Comm: syz-executor316 Not tainted 6.12.0-rc7-syzkaller-00070-g0a9b9d17f3a7 #0 [ 68.933599][ T5310] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 68.937561][ T5310] RIP: 0010:invalidate_bh_lru+0x102/0x1b0 [ 68.939663][ T5310] Code: f4 4e db ff 3e ff 0b eb 25 e8 ea 6f 71 ff 41 80 3c 2e 00 75 2a eb 30 e8 dc 6f 71 ff 90 48 c7 c7 a0 8f 19 8c e8 3f 66 32 ff 90 <0f> 0b 90 90 48 bd 00 00 00 00 00 fc ff df 41 80 3c 2e 00 74 08 4c [ 68.946910][ T5310] RSP: 0018:ffffc9000ced7a08 EFLAGS: 00010046 [ 68.949168][ T5310] RAX: e515f0818504e700 RBX: ffff88804623fb40 RCX: ffff88801ed50000 [ 68.951767][ T5310] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 68.954753][ T5310] RBP: 0000000000000000 R08: ffffffff8155e312 R09: 1ffff11003f8519a [ 68.957982][ T5310] R10: dffffc0000000000 R11: ffffed1003f8519b R12: ffff88801fc39940 [ 68.960952][ T5310] R13: 0000000000000000 R14: 1ffff11003f87328 R15: ffff88801fc39940 [ 68.963748][ T5310] FS: 000055558ca18380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 [ 68.966992][ T5310] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.969498][ T5310] CR2: 000056044a152618 CR3: 00000000427c2000 CR4: 0000000000352ef0 [ 68.972534][ T5310] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.975527][ T5310] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.978629][ T5310] Call Trace: [ 68.979954][ T5310] <TASK> [ 68.981173][ T5310] ? __warn+0x168/0x4e0 [ 68.982796][ T5310] ? invalidate_bh_lru+0x102/0x1b0 [ 68.984737][ T5310] ? report_bug+0x2b3/0x500 [ 68.986423][ T5310] ? invalidate_bh_lru+0x102/0x1b0 [ 68.988421][ T5310] ? handle_bug+0x60/0x90 [ 68.990072][ T5310] ? exc_invalid_op+0x1a/0x50 [ 68.991842][ T5310] ? asm_exc_invalid_op+0x1a/0x20 [ 68.993896][ T5310] ? __warn_printk+0x292/0x360 [ 68.995813][ T5310] ? invalidate_bh_lru+0x102/0x1b0 [ 68.997647][ T5310] ? invalidate_bh_lru+0x101/0x1b0 [ 68.999380][ T5310] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 69.001444][ T5310] smp_call_function_many_cond+0x1760/0x2ca0 [ 69.003650][ T5310] ? __pfx_filemap_write_and_wait_range+0x10/0x10 [ 69.006269][ T5310] ? __pfx_has_bh_in_lru+0x10/0x10 [ 69.008259][ T5310] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 69.010348][ T5310] ? __pfx_smp_call_function_many_cond+0x10/0x10 [ 69.012783][ T5310] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 69.014943][ T5310] ? __pfx_has_bh_in_lru+0x10/0x10 [ 69.016930][ T5310] on_each_cpu_cond_mask+0x3f/0x80 [ 69.018818][ T5310] blkdev_flush_mapping+0xfe/0x270 [ 69.020852][ T5310] ? bdev_release+0x456/0x700 [ 69.022538][ T5310] bdev_release+0x460/0x700 [ 69.024337][ T5310] blkdev_release+0x15/0x20 [ 69.026108][ T5310] ? __pfx_blkdev_release+0x10/0x10 [ 69.028075][ T5310] __fput+0x23f/0x880 [ 69.029684][ T5310] task_work_run+0x24f/0x310 [ 69.031486][ T5310] ? __pfx_task_work_run+0x10/0x10 [ 69.033443][ T5310] ? syscall_exit_to_user_mode+0xa3/0x370 [ 69.035597][ T5310] syscall_exit_to_user_mode+0x168/0x370 [ 69.037760][ T5310] do_syscall_64+0x100/0x230 [ 69.039462][ T5310] ? clear_bhb_loop+0x35/0x90 [ 69.041222][ T5310] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.043527][ T5310] RIP: 0033:0x7f1b886a0dea [ 69.045181][ T5310] 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 [ 69.052493][ T5310] RSP: 002b:00007ffefffab258 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 69.055568][ T5310] RAX: ffffffffffffffea RBX: 00007ffefffab270 RCX: 00007f1b886a0dea [ 69.058588][ T5310] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffefffab270 [ 69.061772][ T5310] RBP: 0000000000000004 R08: 00007ffefffab2b0 R09: 0000000000009eaf [ 69.064496][ T5310] R10: 0000000002000412 R11: 0000000000000282 R12: 0000000002000412 [ 69.067276][ T5310] R13: 00007ffefffab2b0 R14: 0000000000000003 R15: 0000000000010000 [ 69.070071][ T5310] </TASK> [ 69.071195][ T5310] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 69.073952][ T5310] CPU: 0 UID: 0 PID: 5310 Comm: syz-executor316 Not tainted 6.12.0-rc7-syzkaller-00070-g0a9b9d17f3a7 #0 [ 69.077943][ T5310] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 69.081946][ T5310] Call Trace: [ 69.083340][ T5310] <TASK> [ 69.084526][ T5310] dump_stack_lvl+0x241/0x360 [ 69.086444][ T5310] ? __pfx_dump_stack_lvl+0x10/0x10 [ 69.088631][ T5310] ? __pfx__printk+0x10/0x10 [ 69.090827][ T5310] ? vscnprintf+0x5d/0x90 [ 69.092852][ T5310] panic+0x349/0x880 [ 69.094708][ T5310] ? __warn+0x177/0x4e0 [ 69.096380][ T5310] ? __pfx_panic+0x10/0x10 [ 69.098149][ T5310] __warn+0x34b/0x4e0 [ 69.099655][ T5310] ? invalidate_bh_lru+0x102/0x1b0 [ 69.101579][ T5310] report_bug+0x2b3/0x500 [ 69.103199][ T5310] ? invalidate_bh_lru+0x102/0x1b0 [ 69.105139][ T5310] handle_bug+0x60/0x90 [ 69.106666][ T5310] exc_invalid_op+0x1a/0x50 [ 69.108443][ T5310] asm_exc_invalid_op+0x1a/0x20 [ 69.110315][ T5310] RIP: 0010:invalidate_bh_lru+0x102/0x1b0 [ 69.112553][ T5310] Code: f4 4e db ff 3e ff 0b eb 25 e8 ea 6f 71 ff 41 80 3c 2e 00 75 2a eb 30 e8 dc 6f 71 ff 90 48 c7 c7 a0 8f 19 8c e8 3f 66 32 ff 90 <0f> 0b 90 90 48 bd 00 00 00 00 00 fc ff df 41 80 3c 2e 00 74 08 4c [ 69.120029][ T5310] RSP: 0018:ffffc9000ced7a08 EFLAGS: 00010046 [ 69.122416][ T5310] RAX: e515f0818504e700 RBX: ffff88804623fb40 RCX: ffff88801ed50000 [ 69.125738][ T5310] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 69.128818][ T5310] RBP: 0000000000000000 R08: ffffffff8155e312 R09: 1ffff11003f8519a [ 69.132001][ T5310] R10: dffffc0000000000 R11: ffffed1003f8519b R12: ffff88801fc39940 [ 69.135176][ T5310] R13: 0000000000000000 R14: 1ffff11003f87328 R15: ffff88801fc39940 [ 69.138373][ T5310] ? __warn_printk+0x292/0x360 [ 69.140279][ T5310] ? invalidate_bh_lru+0x101/0x1b0 [ 69.141929][ T5310] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 69.143954][ T5310] smp_call_function_many_cond+0x1760/0x2ca0 [ 69.146214][ T5310] ? __pfx_filemap_write_and_wait_range+0x10/0x10 [ 69.148612][ T5310] ? __pfx_has_bh_in_lru+0x10/0x10 [ 69.150440][ T5310] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 69.152405][ T5310] ? __pfx_smp_call_function_many_cond+0x10/0x10 [ 69.154937][ T5310] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 69.157278][ T5310] ? __pfx_has_bh_in_lru+0x10/0x10 [ 69.159246][ T5310] on_each_cpu_cond_mask+0x3f/0x80 [ 69.161212][ T5310] blkdev_flush_mapping+0xfe/0x270 [ 69.163053][ T5310] ? bdev_release+0x456/0x700 [ 69.164714][ T5310] bdev_release+0x460/0x700 [ 69.166410][ T5310] blkdev_release+0x15/0x20 [ 69.168226][ T5310] ? __pfx_blkdev_release+0x10/0x10 [ 69.170285][ T5310] __fput+0x23f/0x880 [ 69.171819][ T5310] task_work_run+0x24f/0x310 [ 69.173749][ T5310] ? __pfx_task_work_run+0x10/0x10 [ 69.175592][ T5310] ? syscall_exit_to_user_mode+0xa3/0x370 [ 69.177652][ T5310] syscall_exit_to_user_mode+0x168/0x370 [ 69.179567][ T5310] do_syscall_64+0x100/0x230 [ 69.181173][ T5310] ? clear_bhb_loop+0x35/0x90 [ 69.182783][ T5310] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.185138][ T5310] RIP: 0033:0x7f1b886a0dea [ 69.186912][ T5310] 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 [ 69.194488][ T5310] RSP: 002b:00007ffefffab258 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 69.197531][ T5310] RAX: ffffffffffffffea RBX: 00007ffefffab270 RCX: 00007f1b886a0dea [ 69.200518][ T5310] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffefffab270 [ 69.203522][ T5310] RBP: 0000000000000004 R08: 00007ffefffab2b0 R09: 0000000000009eaf [ 69.206386][ T5310] R10: 0000000002000412 R11: 0000000000000282 R12: 0000000002000412 [ 69.209453][ T5310] R13: 00007ffefffab2b0 R14: 0000000000000003 R15: 0000000000010000 [ 69.212523][ T5310] </TASK> [ 69.214003][ T5310] Kernel Offset: disabled [ 69.215658][ T5310] Rebooting in 86400 seconds.. VM DIAGNOSIS: 15:38:33 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000033 RBX=ffffffff9a71cec0 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc9000ced7130 R8 =ffffffff854b424b R9 =1ffff11003dc5046 R10=dffffc0000000000 R11=ffffffff854b4200 R12=dffffc0000000000 R13=ffffffff9a417ef3 R14=0000000000000033 R15=00000000000003f8 RIP=ffffffff854b427e 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 000055558ca18380 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=000056044a152618 CR3=00000000427c2000 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=0000000004000001 Opmask01=0000000080000000 Opmask02=00000000ffffffff Opmask03=0000000000000000 Opmask04=00000000ffffefff Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000001 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffcb052fde0 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 6565656565656565 6565656565656565 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ff00ff0000000000 0000000000000000 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffffffffffffffff ffffffffffff0000 ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ff00ff0000000000 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 0a0a0a0a0a0a0a0a 0a0a0a0a0a0a0a0a 0a0a0a0a0a0a0a0a 0a0a0a0a0a0a0a0a ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 205b3e343c003070 6f6f6c2065636976 6564206e6f202934 323031203d206500 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2051343436003070 6565662065636376 6564206465202334 3230312037206500 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 205b5d2033373237 382e393120202020 3e363c002e67696c 20414d4920656572 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2045462033203237 3820393120202020 3e363c002e434644 2041203020206563 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2a4f46484b5e4255 4f46484b59434e55 4b4743554d434c44 45492a306f786569 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2a64632a6e6f6e78 65696f782a6f682a 7e65642a6666637d 2a797e646f676f78 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