loop0: detected capacity change from 0 to 32768
general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 PID: 3609 Comm: syz-executor133 Not tainted 6.1.0-rc1-syzkaller-00454-ga70385240892 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
RIP: 0010:dtExtendPage fs/jfs/jfs_dtree.c:1661 [inline]
RIP: 0010:dtSplitUp+0x1526/0x5130 fs/jfs/jfs_dtree.c:1034
Code: c6 74 11 e8 5c 2d 9f fe 48 8b 44 24 20 49 8d 5e e8 48 89 18 e8 4b 2d 9f fe 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 92 35 00 00 4c 8b 33 31 ff 4c 89 f6 e8 13 2a 9f
RSP: 0018:ffffc90003e5f780 EFLAGS: 00010256
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff82dd5e55 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000000 R11: 000000000008c07e R12: 0000000000000000
R13: ffff88806f48b33a R14: ffffc90003e5fca8 R15: ffff88806f48b270
FS: 000055555568a300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a8d0b505b8 CR3: 000000001f93e000 CR4: 0000000000350ee0
Call Trace:
<TASK>
dtInsert+0x82b/0xa10 fs/jfs/jfs_dtree.c:863
jfs_create+0x5b7/0xac0 fs/jfs/namei.c:137
vfs_create fs/namei.c:3115 [inline]
vfs_create+0x3e9/0x670 fs/namei.c:3101
do_mknodat+0x3d9/0x530 fs/namei.c:3964
__do_sys_mknodat fs/namei.c:3992 [inline]
__se_sys_mknodat fs/namei.c:3989 [inline]
__x64_sys_mknodat+0xaa/0xe0 fs/namei.c:3989
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb984345eb9
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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffe9455da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000103
RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007fb984345eb9
RDX: 0000000000000008 RSI: 0000000020000180 RDI: 0000000000000003
RBP: 00007fb984305680 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000103 R11: 0000000000000246 R12: 00000000f8008000
R13: 0000000000000000 R14: 00083878000000f8 R15: 0000000000000000
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dtExtendPage fs/jfs/jfs_dtree.c:1661 [inline]
RIP: 0010:dtSplitUp+0x1526/0x5130 fs/jfs/jfs_dtree.c:1034
Code: c6 74 11 e8 5c 2d 9f fe 48 8b 44 24 20 49 8d 5e e8 48 89 18 e8 4b 2d 9f fe 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 92 35 00 00 4c 8b 33 31 ff 4c 89 f6 e8 13 2a 9f
RSP: 0018:ffffc90003e5f780 EFLAGS: 00010256
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff82dd5e55 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000000 R11: 000000000008c07e R12: 0000000000000000
R13: ffff88806f48b33a R14: ffffc90003e5fca8 R15: ffff88806f48b270
FS: 000055555568a300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000558122ad8cd8 CR3: 000000001f93e000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 74 11 je 0x13
2: e8 5c 2d 9f fe callq 0xfe9f2d63
7: 48 8b 44 24 20 mov 0x20(%rsp),%rax
c: 49 8d 5e e8 lea -0x18(%r14),%rbx
10: 48 89 18 mov %rbx,(%rax)
13: e8 4b 2d 9f fe callq 0xfe9f2d63
18: 48 89 da mov %rbx,%rdx
1b: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
22: fc ff df
25: 48 c1 ea 03 shr $0x3,%rdx
* 29: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction
2d: 0f 85 92 35 00 00 jne 0x35c5
33: 4c 8b 33 mov (%rbx),%r14
36: 31 ff xor %edi,%edi
38: 4c 89 f6 mov %r14,%rsi
3b: e8 .byte 0xe8
3c: 13 2a adc (%rdx),%ebp
3e: 9f lahf