general protection fault, probably for non-canonical address 0xfbd59c0000000021: 0000 [#1] PREEMPT SMP KASAN
KASAN: maybe wild-memory-access in range [0xdead000000000108-0xdead00000000010f]
CPU: 0 PID: 113 Comm: jfsCommit Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__list_add_valid_or_report+0x3d/0xf0 lib/list_debug.c:29
Code: 00 00 00 48 89 d3 48 85 d2 0f 84 8c 00 00 00 49 89 f6 49 89 ff 49 bd 00 00 00 00 00 fc ff df 4c 8d 63 08 4c 89 e0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 e7 e8 d4 e3 b6 fd 49 8b 14 24 4c 39 f2
RSP: 0018:ffffc90002617c70 EFLAGS: 00010806
RAX: 1bd5a00000000021 RBX: dead000000000100 RCX: 0000000000000000
RDX: dead000000000100 RSI: ffffc90002619230 RDI: ffff8880745715e0
RBP: ffff8880745715d0 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520004c2f70 R12: dead000000000108
R13: dffffc0000000000 R14: ffffc90002619230 R15: ffff8880745715e0
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555591bdc5c8 CR3: 0000000060f56000 CR4: 00000000003506f0
Call Trace:
<TASK>
__list_add_valid include/linux/list.h:88 [inline]
__list_add include/linux/list.h:150 [inline]
list_add include/linux/list.h:169 [inline]
diUpdatePMap+0x62d/0xe50 fs/jfs/jfs_imap.c:2831
txUpdateMap+0x6c2/0x890 fs/jfs/jfs_txnmgr.c:2356
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
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_add_valid_or_report+0x3d/0xf0 lib/list_debug.c:29
Code: 00 00 00 48 89 d3 48 85 d2 0f 84 8c 00 00 00 49 89 f6 49 89 ff 49 bd 00 00 00 00 00 fc ff df 4c 8d 63 08 4c 89 e0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 e7 e8 d4 e3 b6 fd 49 8b 14 24 4c 39 f2
RSP: 0018:ffffc90002617c70 EFLAGS: 00010806
RAX: 1bd5a00000000021 RBX: dead000000000100 RCX: 0000000000000000
RDX: dead000000000100 RSI: ffffc90002619230 RDI: ffff8880745715e0
RBP: ffff8880745715d0 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520004c2f70 R12: dead000000000108
R13: dffffc0000000000 R14: ffffc90002619230 R15: ffff8880745715e0
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555591bdc5c8 CR3: 0000000060f56000 CR4: 00000000003506f0
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 00 48 89 add %cl,-0x77(%rax)
5: d3 48 85 rorl %cl,-0x7b(%rax)
8: d2 0f rorb %cl,(%rdi)
a: 84 8c 00 00 00 49 89 test %cl,-0x76b70000(%rax,%rax,1)
11: f6 49 89 ff testb $0xff,-0x77(%rcx)
15: 49 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%r13
1c: fc ff df
1f: 4c 8d 63 08 lea 0x8(%rbx),%r12
23: 4c 89 e0 mov %r12,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) <-- trapping instruction
2f: 74 08 je 0x39
31: 4c 89 e7 mov %r12,%rdi
34: e8 d4 e3 b6 fd call 0xfdb6e40d
39: 49 8b 14 24 mov (%r12),%rdx
3d: 4c 39 f2 cmp %r14,%rdx