Read error 10 at 0x3000
read_mapping_page failed!
BUG at fs/jfs/jfs_dmap.c:2787 assert(leaf[leafno] == NOFREE)
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kernel BUG at fs/jfs/jfs_dmap.c:2787!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 71 Comm: kswapd0 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:dbBackSplit+0x57c/0x580 fs/jfs/jfs_dmap.c:2787
Code: e9 02 fc ff ff e8 b4 19 57 fe 48 c7 c7 e0 da 4d 8c 48 c7 c6 20 d8 4d 8c ba e3 0a 00 00 48 c7 c1 00 e2 4d 8c e8 95 ec b6 fd 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 41
RSP: 0018:ffffc90000af6c10 EFLAGS: 00010246
RAX: 000000000000003c RBX: 0000000000000004 RCX: 2bb9b44e72e3e700
RDX: 0000000000000000 RSI: 8000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88801fc24713 R09: 1ffff11003f848e2
R10: dffffc0000000000 R11: ffffed1003f848e3 R12: 000000000000003f
R13: ffff888042fc1010 R14: ffff888042fc10b5 R15: ffff888042fc1076
FS:  0000000000000000(0000) GS:ffff88808c2c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f324d7592b8 CR3: 000000004fe19000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 dbFreeDmap fs/jfs/jfs_dmap.c:2195 [inline]
 dbFree+0x53f/0x650 fs/jfs/jfs_dmap.c:485
 txFreeMap+0x9e6/0xde0 fs/jfs/jfs_txnmgr.c:2517
 xtTruncate+0xd16/0x2eb0 fs/jfs/jfs_xtree.c:2481
 jfs_free_zero_link+0x35b/0x4c0 fs/jfs/namei.c:760
 jfs_evict_inode+0x356/0x430 fs/jfs/inode.c:159
 evict+0x624/0xb50 fs/inode.c:822
 dentry_kill+0x1b9/0x880 fs/dcache.c:826
 shrink_kill fs/dcache.c:1275 [inline]
 shrink_dentry_list+0x209/0x310 fs/dcache.c:1292
 prune_dcache_sb+0x119/0x180 fs/dcache.c:1374
 super_cache_scan+0x35f/0x4a0 fs/super.c:225
 do_shrink_slab+0x6d0/0x10e0 mm/shrinker.c:445
 shrink_slab_memcg mm/shrinker.c:562 [inline]
 shrink_slab+0x838/0x1220 mm/shrinker.c:640
 shrink_one+0x2a2/0x730 mm/vmscan.c:5119
 shrink_many mm/vmscan.c:5180 [inline]
 lru_gen_shrink_node mm/vmscan.c:5258 [inline]
 shrink_node+0x35d0/0x3e30 mm/vmscan.c:6247
 kswapd_shrink_node mm/vmscan.c:7101 [inline]
 balance_pgdat mm/vmscan.c:7279 [inline]
 kswapd+0x185e/0x32c0 mm/vmscan.c:7555
 kthread+0x38b/0x480 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dbBackSplit+0x57c/0x580 fs/jfs/jfs_dmap.c:2787
Code: e9 02 fc ff ff e8 b4 19 57 fe 48 c7 c7 e0 da 4d 8c 48 c7 c6 20 d8 4d 8c ba e3 0a 00 00 48 c7 c1 00 e2 4d 8c e8 95 ec b6 fd 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 41
RSP: 0018:ffffc90000af6c10 EFLAGS: 00010246
RAX: 000000000000003c RBX: 0000000000000004 RCX: 2bb9b44e72e3e700
RDX: 0000000000000000 RSI: 8000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88801fc24713 R09: 1ffff11003f848e2
R10: dffffc0000000000 R11: ffffed1003f848e3 R12: 000000000000003f
R13: ffff888042fc1010 R14: ffff888042fc10b5 R15: ffff888042fc1076
FS:  0000000000000000(0000) GS:ffff88808c2c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f324d75e98e CR3: 000000004fe19000 CR4: 0000000000352ef0