general protection fault, probably for non-canonical address 0xdffffc000000001d: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x00000000000000e8-0x00000000000000ef]
CPU: 0 PID: 3556 Comm: syz-executor311 Not tainted 6.1.61-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
RIP: 0010:__lock_acquire+0x69/0x1f80 kernel/locking/lockdep.c:4918
Code: df 0f b6 04 10 84 c0 0f 85 fb 15 00 00 83 3d 31 17 09 0d 00 0f 84 a8 14 00 00 83 3d e0 30 95 0b 00 74 2b 4c 89 f0 48 c1 e8 03 <80> 3c 10 00 74 12 4c 89 f7 e8 29 76 77 00 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc90003adf6a0 EFLAGS: 00010006
RAX: 000000000000001d RBX: 0000000000000000 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 00000000000000e8
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff88807a2b0000 R14: 00000000000000e8 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555573b0ca8 CR3: 00000000768ac000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5661
down_write+0x36/0x60 kernel/locking/rwsem.c:1573
__unmap_hugepage_range_final+0x13d/0x5a0 mm/hugetlb.c:5430
unmap_vmas+0x48b/0x640 mm/memory.c:1730
exit_mmap+0x252/0x9f0 mm/mmap.c:3214
__mmput+0x115/0x3c0 kernel/fork.c:1199
exit_mm+0x226/0x300 kernel/exit.c:563
do_exit+0x9f6/0x26a0 kernel/exit.c:856
__do_sys_exit kernel/exit.c:986 [inline]
__se_sys_exit kernel/exit.c:984 [inline]
__x64_sys_exit+0x3c/0x40 kernel/exit.c:984
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f4a852fda79
Code: Unable to access opcode bytes at 0x7f4a852fda4f.
RSP: 002b:00007ffe33e8b878 EFLAGS: 00000246 ORIG_RAX: 000000000000003c
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4a852fda79
RDX: 00007f4a853373b3 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 000000000000cd02 R08: 0000000000000000 R09: 0000000000000006
R10: 0000000020000000 R11: 0000000000000246 R12: 00007ffe33e8b88c
R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__lock_acquire+0x69/0x1f80 kernel/locking/lockdep.c:4918
Code: df 0f b6 04 10 84 c0 0f 85 fb 15 00 00 83 3d 31 17 09 0d 00 0f 84 a8 14 00 00 83 3d e0 30 95 0b 00 74 2b 4c 89 f0 48 c1 e8 03 <80> 3c 10 00 74 12 4c 89 f7 e8 29 76 77 00 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc90003adf6a0 EFLAGS: 00010006
RAX: 000000000000001d RBX: 0000000000000000 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 00000000000000e8
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff88807a2b0000 R14: 00000000000000e8 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555573b0ca8 CR3: 00000000768ac000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: df 0f fisttps (%rdi)
2: b6 04 mov $0x4,%dh
4: 10 84 c0 0f 85 fb 15 adc %al,0x15fb850f(%rax,%rax,8)
b: 00 00 add %al,(%rax)
d: 83 3d 31 17 09 0d 00 cmpl $0x0,0xd091731(%rip) # 0xd091745
14: 0f 84 a8 14 00 00 je 0x14c2
1a: 83 3d e0 30 95 0b 00 cmpl $0x0,0xb9530e0(%rip) # 0xb953101
21: 74 2b je 0x4e
23: 4c 89 f0 mov %r14,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 80 3c 10 00 cmpb $0x0,(%rax,%rdx,1) <-- trapping instruction
2e: 74 12 je 0x42
30: 4c 89 f7 mov %r14,%rdi
33: e8 29 76 77 00 call 0x777661
38: 48 rex.W
39: ba 00 00 00 00 mov $0x0,%edx
3e: 00 fc add %bh,%ah