Oops: stack segment: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 122 Comm: jfsCommit Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:folio_flags include/linux/page-flags.h:360 [inline]
RIP: 0010:folio_trylock include/linux/pagemap.h:1133 [inline]
RIP: 0010:folio_lock include/linux/pagemap.h:1169 [inline]
RIP: 0010:release_metapage+0x9e/0xab0 fs/jfs/jfs_metapage.c:870
Code: 04 00 00 e8 84 94 71 fe 48 c7 c7 7d ef 58 8d be 90 04 00 00 e8 d3 5e 42 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 a2 a2 d7 fe 4c 8b 3b 4c 89 fe
RSP: 0018:ffffc900039c7758 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000000046
RDX: 0000000000000000 RSI: ffffffff8d7b842e RDI: ffffffff8ba64800
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1008a4c4f2 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff888045262768 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888126340000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c003fcdf6e CR3: 000000003877e000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 xtTruncate+0xecd/0x2f20 fs/jfs/jfs_xtree.c:-1
 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:846
 txLazyCommit fs/jfs/jfs_txnmgr.c:2665 [inline]
 jfs_lazycommit+0x3ef/0xa10 fs/jfs/jfs_txnmgr.c:2734
 kthread+0x388/0x470 kernel/kthread.c:467
 ret_from_fork+0x51e/0xb90 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:1133 [inline]
RIP: 0010:folio_lock include/linux/pagemap.h:1169 [inline]
RIP: 0010:release_metapage+0x9e/0xab0 fs/jfs/jfs_metapage.c:870
Code: 04 00 00 e8 84 94 71 fe 48 c7 c7 7d ef 58 8d be 90 04 00 00 e8 d3 5e 42 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 a2 a2 d7 fe 4c 8b 3b 4c 89 fe
RSP: 0018:ffffc900039c7758 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000000046
RDX: 0000000000000000 RSI: ffffffff8d7b842e RDI: ffffffff8ba64800
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1008a4c4f2 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff888045262768 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888126340000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c003fcdf6e CR3: 000000003877e000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	04 00                	add    $0x0,%al
   2:	00 e8                	add    %ch,%al
   4:	84 94 71 fe 48 c7 c7 	test   %dl,-0x3838b702(%rcx,%rsi,2)
   b:	7d ef                	jge    0xfffffffc
   d:	58                   	pop    %rax
   e:	8d be 90 04 00 00    	lea    0x490(%rsi),%edi
  14:	e8 d3 5e 42 fe       	call   0xfe425eec
  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 a2 a2 d7 fe       	call   0xfed7a2dc
  3a:	4c 8b 3b             	mov    (%rbx),%r15
  3d:	4c 89 fe             	mov    %r15,%rsi