Oops: stack segment: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 123 Comm: jfsCommit Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:folio_flags include/linux/page-flags.h:360 [inline]
RIP: 0010:folio_trylock include/linux/pagemap.h:1104 [inline]
RIP: 0010:folio_lock include/linux/pagemap.h:1140 [inline]
RIP: 0010:release_metapage+0x9e/0xab0 fs/jfs/jfs_metapage.c:870
Code: 04 00 00 e8 54 3a 82 fe 48 c7 c7 47 58 db 8c be 73 04 00 00 e8 a3 c2 54 fe 2e 2e 2e 31 c0 49 8d 5c 24 08 48 89 dd 48 c1 ed 03 <42> 80 7c 2d 00 00 74 08 48 89 df e8 c2 f8 e3 fe 4c 8b 3b 4c 89 fe
RSP: 0018:ffffc900039976b8 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 21960b9e73cfa700
RDX: ffff88801df5da00 RSI: ffffffff8cf656a0 RDI: ffffffff8b3ddfe0
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1008fd7b0a R12: 0000000000000000
R13: dffffc0000000000 R14: ffff888047ebd828 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888126df6000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff6822d87d0 CR3: 000000000d3a6000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 xtTruncate+0xe84/0x2e70 fs/jfs/jfs_xtree.c:-1
 jfs_free_zero_link+0x33a/0x4a0 fs/jfs/namei.c:759
 jfs_evict_inode+0x363/0x440 fs/jfs/inode.c:159
 evict+0x504/0x9c0 fs/inode.c:810
 txLazyCommit fs/jfs/jfs_txnmgr.c:2665 [inline]
 jfs_lazycommit+0x3f1/0xa10 fs/jfs/jfs_txnmgr.c:2734
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x4bc/0x870 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:folio_flags include/linux/page-flags.h:360 [inline]
RIP: 0010:folio_trylock include/linux/pagemap.h:1104 [inline]
RIP: 0010:folio_lock include/linux/pagemap.h:1140 [inline]
RIP: 0010:release_metapage+0x9e/0xab0 fs/jfs/jfs_metapage.c:870
Code: 04 00 00 e8 54 3a 82 fe 48 c7 c7 47 58 db 8c be 73 04 00 00 e8 a3 c2 54 fe 2e 2e 2e 31 c0 49 8d 5c 24 08 48 89 dd 48 c1 ed 03 <42> 80 7c 2d 00 00 74 08 48 89 df e8 c2 f8 e3 fe 4c 8b 3b 4c 89 fe
RSP: 0018:ffffc900039976b8 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 21960b9e73cfa700
RDX: ffff88801df5da00 RSI: ffffffff8cf656a0 RDI: ffffffff8b3ddfe0
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1008fd7b0a R12: 0000000000000000
R13: dffffc0000000000 R14: ffff888047ebd828 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888126df6000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff6822d87d0 CR3: 000000000d3a6000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	04 00                	add    $0x0,%al
   2:	00 e8                	add    %ch,%al
   4:	54                   	push   %rsp
   5:	3a 82 fe 48 c7 c7    	cmp    -0x3838b702(%rdx),%al
   b:	47 58                	rex.RXB pop %r8
   d:	db 8c be 73 04 00 00 	fisttpl 0x473(%rsi,%rdi,4)
  14:	e8 a3 c2 54 fe       	call   0xfe54c2bc
  19:	2e 2e 2e 31 c0       	cs cs cs xor %eax,%eax
  1e:	49 8d 5c 24 08       	lea    0x8(%r12),%rbx
  23:	48 89 dd             	mov    %rbx,%rbp
  26:	48 c1 ed 03          	shr    $0x3,%rbp
* 2a:	42 80 7c 2d 00 00    	cmpb   $0x0,0x0(%rbp,%r13,1) <-- trapping instruction
  30:	74 08                	je     0x3a
  32:	48 89 df             	mov    %rbx,%rdi
  35:	e8 c2 f8 e3 fe       	call   0xfee3f8fc
  3a:	4c 8b 3b             	mov    (%rbx),%r15
  3d:	4c 89 fe             	mov    %r15,%rsi