general protection fault, probably for non-canonical address 0xdffffc0000000007: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000038-0x000000000000003f]
CPU: 0 PID: 4999 Comm: syz.1.195 Not tainted 5.15.176-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:lmWriteRecord+0x75/0x12e0 fs/jfs/jfs_logmgr.c:368
Code: 89 84 24 80 00 00 00 42 80 3c 28 00 74 08 48 89 df e8 1f f5 da fe 48 89 5c 24 60 4c 8b 23 49 8d 5c 24 38 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 fc f4 da fe 4c 8b 3b 48 8b 44 24
RSP: 0018:ffffc900033f7540 EFLAGS: 00010202
RAX: 0000000000000007 RBX: 0000000000000038 RCX: 0000000000080000
RDX: ffffc9000e8aa000 RSI: 0000000000004dfe RDI: 0000000000004dff
RBP: ffff8880625ef8b8 R08: ffffffff82ef6d9b R09: fffff5200067ee85
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff8880625ef800 R15: ffffc90002b12048
FS: 00007f4bb831e6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4bb831df98 CR3: 0000000060f08000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
lmLog+0x792/0xab0 fs/jfs/jfs_logmgr.c:314
dtLog fs/jfs/jfs_txnmgr.c:1652 [inline]
txLog fs/jfs/jfs_txnmgr.c:1400 [inline]
txCommit+0x236b/0x6ba0 fs/jfs/jfs_txnmgr.c:1264
add_missing_indices+0x8af/0xbf0 fs/jfs/jfs_dtree.c:2959
jfs_readdir+0x2008/0x3bc0 fs/jfs/jfs_dtree.c:3315
iterate_dir+0x224/0x570
__do_sys_getdents fs/readdir.c:286 [inline]
__se_sys_getdents+0x1e8/0x4c0 fs/readdir.c:271
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f4bba4ced29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4bb831e038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
RAX: ffffffffffffffda RBX: 00007f4bba6bf080 RCX: 00007f4bba4ced29
RDX: 0000000000000073 RSI: 0000000020000780 RDI: 0000000000000004
RBP: 00007f4bba54ab08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4bba6bf080 R15: 00007fff6a8c98a8
</TASK>
Modules linked in:
---[ end trace 4cd1ed2962fbfa7a ]---
RIP: 0010:lmWriteRecord+0x75/0x12e0 fs/jfs/jfs_logmgr.c:368
Code: 89 84 24 80 00 00 00 42 80 3c 28 00 74 08 48 89 df e8 1f f5 da fe 48 89 5c 24 60 4c 8b 23 49 8d 5c 24 38 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 fc f4 da fe 4c 8b 3b 48 8b 44 24
RSP: 0018:ffffc900033f7540 EFLAGS: 00010202
RAX: 0000000000000007 RBX: 0000000000000038 RCX: 0000000000080000
RDX: ffffc9000e8aa000 RSI: 0000000000004dfe RDI: 0000000000004dff
RBP: ffff8880625ef8b8 R08: ffffffff82ef6d9b R09: fffff5200067ee85
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff8880625ef800 R15: ffffc90002b12048
FS: 00007f4bb831e6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff170255000 CR3: 0000000060f08000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 89 84 24 80 00 00 00 mov %eax,0x80(%rsp)
7: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1)
c: 74 08 je 0x16
e: 48 89 df mov %rbx,%rdi
11: e8 1f f5 da fe call 0xfedaf535
16: 48 89 5c 24 60 mov %rbx,0x60(%rsp)
1b: 4c 8b 23 mov (%rbx),%r12
1e: 49 8d 5c 24 38 lea 0x38(%r12),%rbx
23: 48 89 d8 mov %rbx,%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: 48 89 df mov %rbx,%rdi
34: e8 fc f4 da fe call 0xfedaf535
39: 4c 8b 3b mov (%rbx),%r15
3c: 48 rex.W
3d: 8b .byte 0x8b
3e: 44 rex.R
3f: 24 .byte 0x24