BUG: unable to handle page fault for address: ffff887fffffff80
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0
Oops: Oops: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 7642 Comm: syz.2.567 Not tainted 6.10.0-syzkaller-12562-g1722389b0d86 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:bq_xmit_all+0x13a/0xdd0 kernel/bpf/devmap.c:387
Code: 45 89 e7 e8 e8 db da ff 4d 63 e7 49 83 fc 0f 0f 87 b8 0a 00 00 4b 8d 3c e6 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 99 0a 00 00 <4b> 8b 04 e6 45 8d 67 01 44 89 ee 44 89 e7 0f 18 08 e8 f0 d5 da ff
RSP: 0018:ffffc90000a18ae0 EFLAGS: 00010246
RAX: 1ffff10ffffffff0 RBX: dffffc0000000000 RCX: ffffffff81afaa9f
RDX: ffff88802767da00 RSI: ffffffff81afaab8 RDI: ffff887fffffff80
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000f000d52f R11: 0000000000000000 R12: 0000000000000000
R13: 00000000f000d52f R14: ffff887fffffff80 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff887fffffff80 CR3: 000000007b9cc000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__dev_flush+0x85/0x1e0 kernel/bpf/devmap.c:425
xdp_do_check_flushed+0x26b/0x4e0 net/core/filter.c:4307
__napi_poll.constprop.0+0xd1/0x550 net/core/dev.c:6774
napi_poll net/core/dev.c:6840 [inline]
net_rx_action+0xa92/0x1010 net/core/dev.c:6962
handle_softirqs+0x216/0x8f0 kernel/softirq.c:554
__do_softirq kernel/softirq.c:588 [inline]
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu kernel/softirq.c:637 [inline]
irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649
common_interrupt+0xb0/0xd0 arch/x86/kernel/irq.c:278
asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693
RIP: 0010:__sanitizer_cov_trace_const_cmp2+0x0/0x20 kernel/kcov.c:296
Code: 0c 24 40 0f b6 d6 40 0f b6 f7 bf 01 00 00 00 e9 86 fe ff ff 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 0c 24 0f b7 d6 0f b7 f7 bf 03 00 00 00 e9 58 fe
RSP: 0018:ffffc90003a1f4e8 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: ffff88802767da00 RSI: 0000000000000000 RDI: 000000000000001f
RBP: ffff8880190ee660 R08: 0000000000000001 R09: ffffed100321dcc2
R10: ffff8880190ee617 R11: 0000000000000000 R12: 0000000000fc01dd
R13: 0000000000000001 R14: 0000000000000000 R15: ffff8880190ee618
__update_page_owner_free_handle mm/page_owner.c:268 [inline]
__reset_page_owner+0x25b/0x400 mm/page_owner.c:298
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1094 [inline]
free_unref_folios+0x9e9/0x1390 mm/page_alloc.c:2656
folios_put_refs+0x560/0x760 mm/swap.c:1039
free_pages_and_swap_cache+0x36d/0x510 mm/swap_state.c:332
__tlb_batch_free_encoded_pages+0xf9/0x290 mm/mmu_gather.c:136
tlb_batch_pages_flush mm/mmu_gather.c:149 [inline]
tlb_flush_mmu_free mm/mmu_gather.c:366 [inline]
tlb_flush_mmu mm/mmu_gather.c:373 [inline]
tlb_finish_mmu+0x168/0x7b0 mm/mmu_gather.c:465
exit_mmap+0x3d1/0xb20 mm/mmap.c:3425
__mmput+0x12a/0x480 kernel/fork.c:1345
mmput+0x62/0x70 kernel/fork.c:1367
exit_mm kernel/exit.c:571 [inline]
do_exit+0x9bf/0x2bb0 kernel/exit.c:869
do_group_exit+0xd3/0x2a0 kernel/exit.c:1031
get_signal+0x25fd/0x2770 kernel/signal.c:2917
arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x150/0x2a0 kernel/entry/common.c:218
do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff446177299
Code: Unable to access opcode bytes at 0x7ff44617726f.
RSP: 002b:00007ff446e7c0f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007ff446305f88 RCX: 00007ff446177299
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007ff446305f88
RBP: 00007ff446305f80 R08: 00007ff446e7c6c0 R09: 00007ff446e7c6c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff446305f8c
R13: 000000000000000b R14: 00007ffdf3f71bc0 R15: 00007ffdf3f71ca8
Modules linked in:
CR2: ffff887fffffff80
---[ end trace 0000000000000000 ]---
RIP: 0010:bq_xmit_all+0x13a/0xdd0 kernel/bpf/devmap.c:387
Code: 45 89 e7 e8 e8 db da ff 4d 63 e7 49 83 fc 0f 0f 87 b8 0a 00 00 4b 8d 3c e6 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 99 0a 00 00 <4b> 8b 04 e6 45 8d 67 01 44 89 ee 44 89 e7 0f 18 08 e8 f0 d5 da ff
RSP: 0018:ffffc90000a18ae0 EFLAGS: 00010246
RAX: 1ffff10ffffffff0 RBX: dffffc0000000000 RCX: ffffffff81afaa9f
RDX: ffff88802767da00 RSI: ffffffff81afaab8 RDI: ffff887fffffff80
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000f000d52f R11: 0000000000000000 R12: 0000000000000000
R13: 00000000f000d52f R14: ffff887fffffff80 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff887fffffff80 CR3: 000000007b9cc000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 45 89 e7 mov %r12d,%r15d
3: e8 e8 db da ff call 0xffdadbf0
8: 4d 63 e7 movslq %r15d,%r12
b: 49 83 fc 0f cmp $0xf,%r12
f: 0f 87 b8 0a 00 00 ja 0xacd
15: 4b 8d 3c e6 lea (%r14,%r12,8),%rdi
19: 48 89 f8 mov %rdi,%rax
1c: 48 c1 e8 03 shr $0x3,%rax
20: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1)
24: 0f 85 99 0a 00 00 jne 0xac3
* 2a: 4b 8b 04 e6 mov (%r14,%r12,8),%rax <-- trapping instruction
2e: 45 8d 67 01 lea 0x1(%r15),%r12d
32: 44 89 ee mov %r13d,%esi
35: 44 89 e7 mov %r12d,%edi
38: 0f 18 08 prefetcht0 (%rax)
3b: e8 f0 d5 da ff call 0xffdad630