Oops: general protection fault, probably for non-canonical address 0xe0007c0000008000: 0000 [#1] SMP KASAN PTI
KASAN: maybe wild-memory-access in range [0x0004000000040000-0x0004000000040007]
CPU: 0 UID: 0 PID: 25749 Comm: syz.0.4447 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:PagePoisoned include/linux/page-flags.h:329 [inline]
RIP: 0010:page_to_nid include/linux/mm.h:2265 [inline]
RIP: 0010:show_numa_info mm/vmalloc.c:5194 [inline]
RIP: 0010:vmalloc_info_show+0x53d/0xcd0 mm/vmalloc.c:5279
Code: 00 00 48 8b 53 20 44 89 e8 48 8d 2c c2 48 89 ea 48 c1 ea 03 42 80 3c 32 00 0f 85 e8 05 00 00 4c 8b 7d 00 4c 89 fa 48 c1 ea 03 <42> 80 3c 32 00 0f 85 08 06 00 00 49 8b 2f 48 c7 c7 ff ff ff ff 48
RSP: 0018:ffffc900037b7bc0 EFLAGS: 00010206
RAX: 000000000000fe30 RBX: ffff888028367c80 RCX: ffffc90005ee1000
RDX: 0000800000008000 RSI: ffffffff8261b197 RDI: ffff888034ccdc40
RBP: ffffc90004b89180 R08: 0000000000000004 R09: 000000000000fe30
R10: 000000000002a2d8 R11: 0000000000000000 R12: 0000000000000001
R13: 000000000000fe30 R14: dffffc0000000000 R15: 0004000000040000
FS: 00007fbeca1966c0(0000) GS:ffff88812437d000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b34eb1ff8 CR3: 00000000879f8000 CR4: 00000000003526f0
Call Trace:
<TASK>
seq_read_iter+0x32f/0x1270 fs/seq_file.c:231
proc_reg_read_iter+0x220/0x310 fs/proc/inode.c:299
new_sync_read fs/read_write.c:493 [inline]
vfs_read+0x825/0xb30 fs/read_write.c:574
ksys_read+0x12a/0x250 fs/read_write.c:717
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x10b/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbec939cdd9
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:00007fbeca196028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fbec9615fa0 RCX: 00007fbec939cdd9
RDX: 000000000000fdef RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007fbec9432d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fbec9616038 R14: 00007fbec9615fa0 R15: 00007ffea2c89da8
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:PagePoisoned include/linux/page-flags.h:329 [inline]
RIP: 0010:page_to_nid include/linux/mm.h:2265 [inline]
RIP: 0010:show_numa_info mm/vmalloc.c:5194 [inline]
RIP: 0010:vmalloc_info_show+0x53d/0xcd0 mm/vmalloc.c:5279
Code: 00 00 48 8b 53 20 44 89 e8 48 8d 2c c2 48 89 ea 48 c1 ea 03 42 80 3c 32 00 0f 85 e8 05 00 00 4c 8b 7d 00 4c 89 fa 48 c1 ea 03 <42> 80 3c 32 00 0f 85 08 06 00 00 49 8b 2f 48 c7 c7 ff ff ff ff 48
RSP: 0018:ffffc900037b7bc0 EFLAGS: 00010206
RAX: 000000000000fe30 RBX: ffff888028367c80 RCX: ffffc90005ee1000
RDX: 0000800000008000 RSI: ffffffff8261b197 RDI: ffff888034ccdc40
RBP: ffffc90004b89180 R08: 0000000000000004 R09: 000000000000fe30
R10: 000000000002a2d8 R11: 0000000000000000 R12: 0000000000000001
R13: 000000000000fe30 R14: dffffc0000000000 R15: 0004000000040000
FS: 00007fbeca1966c0(0000) GS:ffff88812437d000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b34eb1ff8 CR3: 00000000879f8000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 48 8b 53 20 mov 0x20(%rbx),%rdx
6: 44 89 e8 mov %r13d,%eax
9: 48 8d 2c c2 lea (%rdx,%rax,8),%rbp
d: 48 89 ea mov %rbp,%rdx
10: 48 c1 ea 03 shr $0x3,%rdx
14: 42 80 3c 32 00 cmpb $0x0,(%rdx,%r14,1)
19: 0f 85 e8 05 00 00 jne 0x607
1f: 4c 8b 7d 00 mov 0x0(%rbp),%r15
23: 4c 89 fa mov %r15,%rdx
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 42 80 3c 32 00 cmpb $0x0,(%rdx,%r14,1) <-- trapping instruction
2f: 0f 85 08 06 00 00 jne 0x63d
35: 49 8b 2f mov (%r15),%rbp
38: 48 c7 c7 ff ff ff ff mov $0xffffffffffffffff,%rdi
3f: 48 rex.W