eth0: bad gso: type: 1, size: 1408
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 UID: 0 PID: 13424 Comm: syz.0.2118 Not tainted 6.10.0-next-20240726-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:bq_flush_to_queue+0x44/0x610 kernel/bpf/cpumap.c:675
Code: df e8 30 8b d6 ff 49 8d 5e 50 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 a6 0f 3e 00 48 8b 2b 48 89 e8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 0f 85 1d 05 00 00 44 8b 65 00 4d 8d 6e 58 4c
RSP: 0018:ffffc90000a18a80 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888020b9af90 RCX: ffff888026111e00
RDX: 0000000080000101 RSI: 0000000000000010 RDI: ffff888020b9af40
RBP: 0000000000000000 R08: ffffffff8992342a R09: 1ffffffff202fc75
R10: dffffc0000000000 R11: fffffbfff202fc76 R12: 0000000000000001
R13: ffffc90009917820 R14: ffff888020b9af40 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000006c316000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__cpu_map_flush+0x5d/0xd0 kernel/bpf/cpumap.c:767
xdp_do_check_flushed+0x136/0x240 net/core/filter.c:4311
__napi_poll+0xe4/0x490 net/core/dev.c:6774
napi_poll net/core/dev.c:6840 [inline]
net_rx_action+0x89b/0x1240 net/core/dev.c:6962
handle_softirqs+0x2c4/0x970 kernel/softirq.c:554
__do_softirq kernel/softirq.c:588 [inline]
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
irq_exit_rcu+0x9/0x30 kernel/softirq.c:649
common_interrupt+0xaa/0xd0 arch/x86/kernel/irq.c:278
asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693
RIP: 0010:unwind_next_frame+0x1a6c/0x2a00 arch/x86/kernel/unwind_orc.c:648
Code: 24 48 89 ee 4c 89 f2 e8 02 13 00 00 84 c0 0f 84 84 00 00 00 e8 75 a9 52 00 49 89 df 48 8b 2c 24 e9 f2 02 00 00 48 8b 7c 24 18 <48> 8d 5f 02 48 83 c7 03 48 89 d8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc90009917108 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000003 RSI: ffffffff8e7a33a0 RDI: ffffffff909dff1c
RBP: ffffffff909dff20 R08: 0000000000000005 R09: ffffffff814120bf
R10: 0000000000000003 R11: ffff888026111e00 R12: ffffc90009917db8
R13: dffffc0000000000 R14: ffffc90009917230 R15: 1ffff92001322e3c
arch_stack_walk+0x151/0x1b0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579
poison_slab_object+0xe0/0x150 mm/kasan/common.c:240
__kasan_slab_free+0x37/0x60 mm/kasan/common.c:256
kasan_slab_free include/linux/kasan.h:184 [inline]
slab_free_hook mm/slub.c:2252 [inline]
slab_free mm/slub.c:4473 [inline]
kmem_cache_free+0x145/0x350 mm/slub.c:4548
anon_vma_chain_free mm/rmap.c:147 [inline]
unlink_anon_vmas+0x297/0x5f0 mm/rmap.c:421
free_pgtables+0x567/0x840 mm/memory.c:409
exit_mmap+0x447/0xc80 mm/mmap.c:3423
__mmput+0x115/0x390 kernel/fork.c:1347
exit_mm+0x220/0x310 kernel/exit.c:571
do_exit+0x9b2/0x27f0 kernel/exit.c:869
do_group_exit+0x207/0x2c0 kernel/exit.c:1031
get_signal+0x16a1/0x1740 kernel/signal.c:2917
arch_do_signal_or_restart+0x96/0x830 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+0xc9/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7bbc377299
Code: Unable to access opcode bytes at 0x7f7bbc37726f.
RSP: 002b:00007f7bbd22c0f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f7bbc505f88 RCX: 00007f7bbc377299
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f7bbc505f88
RBP: 00007f7bbc505f80 R08: 00007f7bbd22c6c0 R09: 00007f7bbd22c6c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7bbc505f8c
R13: 000000000000000b R14: 00007fffd7ae3530 R15: 00007fffd7ae3618
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:bq_flush_to_queue+0x44/0x610 kernel/bpf/cpumap.c:675
Code: df e8 30 8b d6 ff 49 8d 5e 50 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 a6 0f 3e 00 48 8b 2b 48 89 e8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 0f 85 1d 05 00 00 44 8b 65 00 4d 8d 6e 58 4c
RSP: 0018:ffffc90000a18a80 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888020b9af90 RCX: ffff888026111e00
RDX: 0000000080000101 RSI: 0000000000000010 RDI: ffff888020b9af40
RBP: 0000000000000000 R08: ffffffff8992342a R09: 1ffffffff202fc75
R10: dffffc0000000000 R11: fffffbfff202fc76 R12: 0000000000000001
R13: ffffc90009917820 R14: ffff888020b9af40 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000000e734000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: df e8 fucomip %st(0),%st
2: 30 8b d6 ff 49 8d xor %cl,-0x72b6002a(%rbx)
8: 5e pop %rsi
9: 50 push %rax
a: 48 89 d8 mov %rbx,%rax
d: 48 c1 e8 03 shr $0x3,%rax
11: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1)
16: 74 08 je 0x20
18: 48 89 df mov %rbx,%rdi
1b: e8 a6 0f 3e 00 call 0x3e0fc6
20: 48 8b 2b mov (%rbx),%rbp
23: 48 89 e8 mov %rbp,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 0f b6 04 38 movzbl (%rax,%r15,1),%eax <-- trapping instruction
2f: 84 c0 test %al,%al
31: 0f 85 1d 05 00 00 jne 0x554
37: 44 8b 65 00 mov 0x0(%rbp),%r12d
3b: 4d 8d 6e 58 lea 0x58(%r14),%r13
3f: 4c rex.WR