------------[ cut here ]------------ kernel BUG at fs/inode.c:626! invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 9301 Comm: btrfs-cleaner Not tainted 6.9.0-rc3-syzkaller-00344-g8f2c057754b2 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:clear_inode+0x15b/0x190 fs/inode.c:626 Code: 00 00 00 5b 5d 41 5c c3 cc cc cc cc e8 de d8 8b ff 90 0f 0b e8 d6 d8 8b ff 90 0f 0b e8 ce d8 8b ff 90 0f 0b e8 c6 d8 8b ff 90 <0f> 0b e8 be d8 8b ff 90 0f 0b e8 36 55 e8 ff e9 d2 fe ff ff e8 2c RSP: 0018:ffffc9000303fae0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88804bcde5d0 RCX: ffffffff82027cd0 RDX: ffff88801889c880 RSI: ffffffff82027d3a RDI: 0000000000000007 RBP: 0000000000000040 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000040 R11: 0000000000000000 R12: 0000000000000020 R13: ffff88801bf7c000 R14: 0000000000000000 R15: ffff88804bcde5d0 FS: 0000000000000000(0000) GS:ffff88802c300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000571fd004 CR3: 0000000057ebe000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: btrfs_evict_inode+0x529/0xe80 fs/btrfs/inode.c:5279 evict+0x2ed/0x6c0 fs/inode.c:667 iput_final fs/inode.c:1741 [inline] iput.part.0+0x5a8/0x7f0 fs/inode.c:1767 iput+0x5c/0x80 fs/inode.c:1757 __btrfs_run_defrag_inode fs/btrfs/defrag.c:281 [inline] btrfs_run_defrag_inodes+0xa05/0xe00 fs/btrfs/defrag.c:327 cleaner_kthread+0x2ee/0x480 fs/btrfs/disk-io.c:1531 kthread+0x2c1/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:clear_inode+0x15b/0x190 fs/inode.c:626 Code: 00 00 00 5b 5d 41 5c c3 cc cc cc cc e8 de d8 8b ff 90 0f 0b e8 d6 d8 8b ff 90 0f 0b e8 ce d8 8b ff 90 0f 0b e8 c6 d8 8b ff 90 <0f> 0b e8 be d8 8b ff 90 0f 0b e8 36 55 e8 ff e9 d2 fe ff ff e8 2c RSP: 0018:ffffc9000303fae0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88804bcde5d0 RCX: ffffffff82027cd0 RDX: ffff88801889c880 RSI: ffffffff82027d3a RDI: 0000000000000007 RBP: 0000000000000040 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000040 R11: 0000000000000000 R12: 0000000000000020 R13: ffff88801bf7c000 R14: 0000000000000000 R15: ffff88804bcde5d0 FS: 0000000000000000(0000) GS:ffff88802c200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c001522000 CR3: 000000000d57a000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400