------------[ cut here ]------------
lp >= size || lp < 0
WARNING: fs/jfs/jfs_dmap.c:2962 at dbAdjTree+0x454/0x4e0 fs/jfs/jfs_dmap.c:2962, CPU#0: syz.0.0/5330
Modules linked in:
CPU: 0 UID: 0 PID: 5330 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:dbAdjTree+0x454/0x4e0 fs/jfs/jfs_dmap.c:2962
Code: 5a ff ff ff e8 cd 9b 64 fe eb 05 e8 c6 9b 64 fe 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d e9 c3 3f 4b 08 cc e8 ad 9b 64 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:ffffc900031bf548 EFLAGS: 00010293
RAX: ffffffff83612b63 RBX: ffff88804030d010 RCX: ffff888032ad4a80
RDX: 0000000000000000 RSI: 0000000000000155 RDI: 0000000000020056
RBP: 0000000000020056 R08: ffffea000100c347 R09: 1ffffd4000201868
R10: dffffc0000000000 R11: fffff94000201869 R12: ffff88804030d018
R13: dffffc0000000000 R14: 0000000000000004 R15: 0000000000000155
FS:  0000555566968540(0000) GS:ffff88808c894000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c9aa4c0620 CR3: 0000000023e00000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 dbJoin+0x238/0x300 fs/jfs/jfs_dmap.c:2930
 dbFreeBits+0x4e1/0xdb0 fs/jfs/jfs_dmap.c:2427
 dbFreeDmap fs/jfs/jfs_dmap.c:2176 [inline]
 dbFree+0x336/0x650 fs/jfs/jfs_dmap.c:485
 txFreeMap+0x9e6/0xde0 fs/jfs/jfs_txnmgr.c:2517
 xtTruncate+0xd38/0x2f20 fs/jfs/jfs_xtree.c:2481
 jfs_free_zero_link+0x35b/0x4c0 fs/jfs/namei.c:760
 jfs_evict_inode+0x363/0x440 fs/jfs/inode.c:159
 evict+0x61e/0xb10 fs/inode.c:841
 __dentry_kill+0x1a2/0x690 fs/dcache.c:718
 finish_dput+0xc9/0x480 fs/dcache.c:927
 __fput+0x691/0xa60 fs/file_table.c:518
 task_work_run+0x1d9/0x270 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:67 [inline]
 exit_to_user_mode_loop+0x193/0x680 kernel/entry/common.c:98
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
 do_syscall_64+0x353/0x580 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7feea799ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe576a1958 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffe576a1a40 RCX: 00007feea799ce59
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000014852 R08: 0000000000000001 R09: 0000000000000000
R10: 00007feea77ff02c R11: 0000000000000246 R12: 00007ffe576a1a80
R13: 00007feea7c15fac R14: 0000000000015019 R15: 00007feea7c15fa0
 </TASK>