------------[ cut here ]------------ WARNING: CPU: 0 PID: 102 at fs/jfs/jfs_dmap.c:2875 dbAdjTree+0x420/0x520 fs/jfs/jfs_dmap.c:2875 Modules linked in: CPU: 0 UID: 0 PID: 102 Comm: jfsCommit Not tainted 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:dbAdjTree+0x420/0x520 fs/jfs/jfs_dmap.c:2875 Code: 7a 68 fe eb 0c e8 e0 7a 68 fe eb 05 e8 d9 7a 68 fe 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 c1 7a 68 fe 90 <0f> 0b 90 eb e2 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 14 fc ff ff 48 RSP: 0018:ffffc9000166f4f8 EFLAGS: 00010293 RAX: ffffffff832c60ef RBX: 0000000000000155 RCX: ffff88801f234880 RDX: 0000000000000000 RSI: 0000000000000155 RDI: 0000000000020056 RBP: ffff88803d500018 R08: ffffffff832c5d27 R09: 1ffffd40001ea800 R10: dffffc0000000000 R11: fffff940001ea801 R12: dffffc0000000000 R13: 0000000000000004 R14: ffff88803d500010 R15: 0000000000020056 FS: 0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffecb008118 CR3: 000000000e734000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: dbJoin+0x255/0x310 fs/jfs/jfs_dmap.c:2843 dbFreeBits+0x4db/0xd90 fs/jfs/jfs_dmap.c:2340 dbFreeDmap fs/jfs/jfs_dmap.c:2089 [inline] dbFree+0x35b/0x680 fs/jfs/jfs_dmap.c:409 txFreeMap+0x96a/0xd50 fs/jfs/jfs_txnmgr.c:2515 xtTruncate+0xe65/0x3270 fs/jfs/jfs_xtree.c:2467 jfs_free_zero_link+0x46e/0x6e0 fs/jfs/namei.c:759 jfs_evict_inode+0x35f/0x440 fs/jfs/inode.c:153 evict+0x4e8/0x9b0 fs/inode.c:723 txUpdateMap+0x931/0xb10 fs/jfs/jfs_txnmgr.c:2367 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline] jfs_lazycommit+0x49a/0xb80 fs/jfs/jfs_txnmgr.c:2733 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244