BUG: kernel NULL pointer dereference, address: 0000000000000003
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 8000000029fb3067 P4D 8000000029fb3067 PUD 0
Oops: Oops: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 25 Comm: kworker/1:0 Not tainted 6.12.0-syzkaller-10689-g7af08b57bcb9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: slub_flushwq flush_cpu_slab
RIP: 0010:PagePoisoned include/linux/page-flags.h:293 [inline]
RIP: 0010:page_to_nid include/linux/mm.h:1647 [inline]
RIP: 0010:folio_nid include/linux/mm.h:1653 [inline]
RIP: 0010:slab_nid mm/slab.h:201 [inline]
RIP: 0010:__put_partials+0x26/0x130 mm/slub.c:3116
Code: 90 90 90 90 55 41 57 41 56 41 55 41 54 53 50 48 85 f6 0f 84 df 00 00 00 48 89 f3 49 89 fe 31 c0 48 89 04 24 45 31 ff 45 31 ed <48> 8b 03 48 83 f8 ff 0f 84 d3 00 00 00 4c 8b 63 10 48 c1 e8 3a 49
RSP: 0000:ffffc900001f7b18 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000003 RCX: ffffffff8171934a
RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88807d9638c0
RBP: 0000000000000001 R08: ffffffff942ee8b7 R09: 1ffffffff285dd16
R10: dffffc0000000000 R11: fffffbfff285dd17 R12: 0000000000000003
R13: 0000000000000000 R14: ffff88807d9638c0 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000003 CR3: 000000005f7ba000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
put_partials mm/slub.c:3161 [inline]
flush_cpu_slab+0x2bf/0x450 mm/slub.c:3296
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
</TASK>
Modules linked in:
CR2: 0000000000000003
---[ end trace 0000000000000000 ]---
RIP: 0010:PagePoisoned include/linux/page-flags.h:293 [inline]
RIP: 0010:page_to_nid include/linux/mm.h:1647 [inline]
RIP: 0010:folio_nid include/linux/mm.h:1653 [inline]
RIP: 0010:slab_nid mm/slab.h:201 [inline]
RIP: 0010:__put_partials+0x26/0x130 mm/slub.c:3116
Code: 90 90 90 90 55 41 57 41 56 41 55 41 54 53 50 48 85 f6 0f 84 df 00 00 00 48 89 f3 49 89 fe 31 c0 48 89 04 24 45 31 ff 45 31 ed <48> 8b 03 48 83 f8 ff 0f 84 d3 00 00 00 4c 8b 63 10 48 c1 e8 3a 49
RSP: 0000:ffffc900001f7b18 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000003 RCX: ffffffff8171934a
RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88807d9638c0
RBP: 0000000000000001 R08: ffffffff942ee8b7 R09: 1ffffffff285dd16
R10: dffffc0000000000 R11: fffffbfff285dd17 R12: 0000000000000003
R13: 0000000000000000 R14: ffff88807d9638c0 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000003 CR3: 000000005f7ba000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 90 nop
1: 90 nop
2: 90 nop
3: 90 nop
4: 55 push %rbp
5: 41 57 push %r15
7: 41 56 push %r14
9: 41 55 push %r13
b: 41 54 push %r12
d: 53 push %rbx
e: 50 push %rax
f: 48 85 f6 test %rsi,%rsi
12: 0f 84 df 00 00 00 je 0xf7
18: 48 89 f3 mov %rsi,%rbx
1b: 49 89 fe mov %rdi,%r14
1e: 31 c0 xor %eax,%eax
20: 48 89 04 24 mov %rax,(%rsp)
24: 45 31 ff xor %r15d,%r15d
27: 45 31 ed xor %r13d,%r13d
* 2a: 48 8b 03 mov (%rbx),%rax <-- trapping instruction
2d: 48 83 f8 ff cmp $0xffffffffffffffff,%rax
31: 0f 84 d3 00 00 00 je 0x10a
37: 4c 8b 63 10 mov 0x10(%rbx),%r12
3b: 48 c1 e8 3a shr $0x3a,%rax
3f: 49 rex.WB