------------[ cut here ]------------ WARNING: CPU: 1 PID: 109 at fs/jfs/jfs_dmap.c:2875 dbAdjTree+0x454/0x4e0 fs/jfs/jfs_dmap.c:2875 Modules linked in: CPU: 1 UID: 0 PID: 109 Comm: jfsCommit Not tainted 6.17.0-rc1-syzkaller-00224-g8d561baae505 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:dbAdjTree+0x454/0x4e0 fs/jfs/jfs_dmap.c:2875 Code: 5a ff ff ff e8 7d 35 81 fe eb 05 e8 76 35 81 fe 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d e9 ee cb d1 fd cc e8 5d 35 81 fe 90 <0f> 0b 90 eb e1 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c e1 fb ff ff RSP: 0018:ffffc90002da7988 EFLAGS: 00010293 RAX: ffffffff833e7523 RBX: ffff88805e695010 RCX: ffff88801e79da00 RDX: 0000000000000000 RSI: 0000000000000155 RDI: 0000000000020056 RBP: 0000000000020056 R08: ffffea000179a547 R09: 1ffffd40002f34a8 R10: dffffc0000000000 R11: fffff940002f34a9 R12: ffff88805e695018 R13: dffffc0000000000 R14: 0000000000000004 R15: 0000000000000155 FS: 0000000000000000(0000) GS:ffff888125d1b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055557f128808 CR3: 0000000050527000 CR4: 0000000000350ef0 Call Trace: dbJoin+0x238/0x300 fs/jfs/jfs_dmap.c:2843 dbFreeBits+0x4e1/0xdb0 fs/jfs/jfs_dmap.c:2340 dbFreeDmap fs/jfs/jfs_dmap.c:2089 [inline] dbFree+0x336/0x650 fs/jfs/jfs_dmap.c:398 txFreeMap+0x7ff/0xde0 fs/jfs/jfs_txnmgr.c:2534 txUpdateMap+0x308/0x9c0 fs/jfs/jfs_txnmgr.c:-1 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline] jfs_lazycommit+0x43f/0xa90 fs/jfs/jfs_txnmgr.c:2733 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245