------------[ cut here ]------------ WARNING: CPU: 1 PID: 112 at fs/jfs/jfs_dmap.c:2882 dbAdjTree+0x448/0x4d0 fs/jfs/jfs_dmap.c:2882 Modules linked in: CPU: 1 PID: 112 Comm: jfsCommit Not tainted 6.6.93-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:dbAdjTree+0x448/0x4d0 fs/jfs/jfs_dmap.c:2882 Code: e8 6d 32 e0 fe e9 5a ff ff ff e8 d3 8d 87 fe eb 05 e8 cc 8d 87 fe 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 b8 8d 87 fe <0f> 0b eb e8 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c ee fb ff ff 4c RSP: 0018:ffffc90002c97ac8 EFLAGS: 00010293 RAX: ffffffff82fe0928 RBX: ffff88805d49b010 RCX: ffff888019f53c00 RDX: 0000000000000000 RSI: 0000000000000155 RDI: 0000000000020056 RBP: 0000000000020056 R08: ffffea00017526c7 R09: 1ffffd40002ea4d8 R10: dffffc0000000000 R11: fffff940002ea4d9 R12: ffff88805d49b018 R13: dffffc0000000000 R14: 0000000000000004 R15: 0000000000000155 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555923a45c8 CR3: 00000000633e5000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: dbJoin+0x238/0x300 fs/jfs/jfs_dmap.c:2850 dbFreeBits+0x4e2/0xdb0 fs/jfs/jfs_dmap.c:2347 dbFreeDmap fs/jfs/jfs_dmap.c:2096 [inline] dbFree+0x332/0x650 fs/jfs/jfs_dmap.c:413 txFreeMap+0x7ff/0xde0 fs/jfs/jfs_txnmgr.c:2534 txUpdateMap+0x306/0x890 fs/jfs/jfs_txnmgr.c:-1 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline] jfs_lazycommit+0x42b/0xa60 fs/jfs/jfs_txnmgr.c:2732 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293