loop0: detected capacity change from 0 to 32768 XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a XFS (loop0): Ending clean mount XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x42/0xe0 fs/xfs/libxfs/xfs_alloc_btree.c:318, xfs_bnobt block 0x4 XFS (loop0): Unmount and run xfs_repair XFS (loop0): First 128 bytes of corrupted metadata buffer: 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x290/0x470" at daddr 0x4 len 4 error 74 XFS (loop0): page discard on page ffffea000134a440, inode 0x180a, pos 16384. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5329 at kernel/events/core.c:7211 perf_sigtrap kernel/events/core.c:7211 [inline] WARNING: CPU: 0 PID: 5329 at kernel/events/core.c:7211 perf_pending_task+0x319/0x400 kernel/events/core.c:7325 Modules linked in: CPU: 0 UID: 0 PID: 5329 Comm: syz.0.0 Not tainted 6.16.0-rc3-syzkaller-00044-g7595b66ae9de #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:perf_sigtrap kernel/events/core.c:7211 [inline] RIP: 0010:perf_pending_task+0x319/0x400 kernel/events/core.c:7325 Code: 85 8f 00 00 00 41 fe 4d 00 eb 05 e8 21 4f cd ff 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d e9 8e 84 76 09 cc e8 08 4f cd ff 90 <0f> 0b 90 41 80 3c 1c 00 0f 85 02 ff ff ff e9 05 ff ff ff 44 89 e1 RSP: 0018:ffffc9000d38f990 EFLAGS: 00010293 RAX: ffffffff81f2fe18 RBX: dffffc0000000000 RCX: ffff888000eaa440 RDX: 0000000000000000 RSI: 00000000749a7dcf RDI: 0000000000000000 RBP: 00000000749a7dcf R08: ffffffff8fa10bf7 R09: 1ffffffff1f4217e R10: dffffc0000000000 R11: ffffffff81f2fb00 R12: 1ffff110035e990f R13: ffff888000eaa440 R14: ffff88801af4cad8 R15: ffff88801af4c878 FS: 0000000000000000(0000) GS:ffff88808d251000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc77684f04 CR3: 0000000043c47000 CR4: 0000000000352ef4 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: task_work_run+0x1d1/0x260 kernel/task_work.c:227 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0x6b5/0x22e0 kernel/exit.c:964 do_group_exit+0x21c/0x2d0 kernel/exit.c:1105 get_signal+0x1286/0x1340 kernel/signal.c:3034 arch_do_signal_or_restart+0x9a/0x750 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline] irqentry_exit_to_user_mode+0x81/0x120 kernel/entry/common.c:184 exc_general_protection+0x171/0x200 arch/x86/kernel/traps.c:792 asm_exc_general_protection+0x26/0x30 arch/x86/include/asm/idtentry.h:617 RIP: 0033:0x7fe8791b2f47 Code: Unable to access opcode bytes at 0x7fe8791b2f1d. RSP: 002b:00007fe8791a9fb8 EFLAGS: 00010202 RAX: 0000000000000002 RBX: 00007fe8791ac038 RCX: 0000000000000001 RDX: 00007fe878499300 RSI: 0000000000000008 RDI: 0000000000000001 RBP: 00007fe8791a9fc0 R08: 0000000000000000 R09: 7fffffffffffffff R10: 3fffffffffffffff R11: 0000000000000246 R12: 4000000000000000 R13: 0000000000000010 R14: 00007fe8791ac000 R15: 000000000000373a