general protection fault, probably for non-canonical address 0xdffffc0000000034: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x00000000000001a0-0x00000000000001a7]
CPU: 0 PID: 5968 Comm: syz.2.38 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:__lock_acquire+0xf8/0x7d80 kernel/locking/lockdep.c:5005
Code: 89 bc 24 90 00 00 00 0f 85 0b 18 00 00 83 3d 1a 26 24 0d 00 0f 84 f6 0f 00 00 83 3d 31 64 97 0b 00 74 36 48 89 f8 48 c1 e8 03 <42> 80 3c 00 00 74 1f 48 8b bc 24 90 00 00 00 e8 e4 66 77 00 48 8b
RSP: 0018:ffffc90004d07800 EFLAGS: 00010002
RAX: 0000000000000034 RBX: 0000000000000000 RCX: 1ffff920009a0f24
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000001a0
RBP: ffffc90004d07a48 R08: dffffc0000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1d18f96 R12: 0000000000000000
R13: 0000000000000001 R14: ffff88802a62bc00 R15: 0000000000000001
FS:  00007fe15f7f66c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000778000 CR3: 000000005da65000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 lock_acquire+0x19e/0x420 kernel/locking/lockdep.c:5754
 down_read_killable+0x50/0x340 kernel/locking/rwsem.c:1543
 mmap_read_lock_killable include/linux/mmap_lock.h:155 [inline]
 proc_map_files_readdir+0x3cb/0x9e0 fs/proc/base.c:2413
 iterate_dir+0x1bd/0x590 fs/readdir.c:106
 __do_sys_getdents fs/readdir.c:322 [inline]
 __se_sys_getdents+0xf6/0x260 fs/readdir.c:307
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe16159de99
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe15f7f6028 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
RAX: ffffffffffffffda RBX: 00007fe161825fa0 RCX: 00007fe16159de99
RDX: 0000000000000093 RSI: 0000200000000200 RDI: 0000000000000005
RBP: 00007fe161633eaf R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe161826038 R14: 00007fe161825fa0 R15: 00007ffc09153148
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__lock_acquire+0xf8/0x7d80 kernel/locking/lockdep.c:5005
Code: 89 bc 24 90 00 00 00 0f 85 0b 18 00 00 83 3d 1a 26 24 0d 00 0f 84 f6 0f 00 00 83 3d 31 64 97 0b 00 74 36 48 89 f8 48 c1 e8 03 <42> 80 3c 00 00 74 1f 48 8b bc 24 90 00 00 00 e8 e4 66 77 00 48 8b
RSP: 0018:ffffc90004d07800 EFLAGS: 00010002
RAX: 0000000000000034 RBX: 0000000000000000 RCX: 1ffff920009a0f24
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000001a0
RBP: ffffc90004d07a48 R08: dffffc0000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1d18f96 R12: 0000000000000000
R13: 0000000000000001 R14: ffff88802a62bc00 R15: 0000000000000001
FS:  00007fe15f7f66c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000778000 CR3: 000000005da65000 CR4: 00000000003506f0
----------------
Code disassembly (best guess):
   0:	89 bc 24 90 00 00 00 	mov    %edi,0x90(%rsp)
   7:	0f 85 0b 18 00 00    	jne    0x1818
   d:	83 3d 1a 26 24 0d 00 	cmpl   $0x0,0xd24261a(%rip)        # 0xd24262e
  14:	0f 84 f6 0f 00 00    	je     0x1010
  1a:	83 3d 31 64 97 0b 00 	cmpl   $0x0,0xb976431(%rip)        # 0xb976452
  21:	74 36                	je     0x59
  23:	48 89 f8             	mov    %rdi,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 00 00       	cmpb   $0x0,(%rax,%r8,1) <-- trapping instruction
  2f:	74 1f                	je     0x50
  31:	48 8b bc 24 90 00 00 	mov    0x90(%rsp),%rdi
  38:	00
  39:	e8 e4 66 77 00       	call   0x776722
  3e:	48                   	rex.W
  3f:	8b                   	.byte 0x8b