------------[ cut here ]------------
WARNING: CPU: 0 PID: 3557 at mm/maccess.c:226 copy_from_user_nofault+0x15c/0x1c0
Modules linked in:
CPU: 0 PID: 3557 Comm: syz-executor Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:copy_from_user_nofault+0x15c/0x1c0 mm/maccess.c:226
Code: db 48 c7 c0 f2 ff ff ff 48 0f 44 c5 eb 0c e8 eb c6 d5 ff 48 c7 c0 f2 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 d4 c6 d5 ff <0f> 0b e9 1e ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c ef fe ff
RSP: 0018:ffffc90000007968 EFLAGS: 00010246
RAX: ffffffff81aa939c RBX: 0000000000000000 RCX: ffff88801adf1dc0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81aa92ad R09: fffffbfff20e2419
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffffc900000079c8
FS: 0000555586bcf500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdb8411b9c CR3: 0000000073d4c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
bpf_probe_read_user_common kernel/trace/bpf_trace.c:157 [inline]
____bpf_probe_read_user kernel/trace/bpf_trace.c:166 [inline]
bpf_probe_read_user+0x26/0x70 kernel/trace/bpf_trace.c:163
bpf_prog_7e47b8e39696360c+0x32/0xb80
bpf_dispatcher_nop_func include/linux/bpf.h:790 [inline]
__bpf_prog_run include/linux/filter.h:628 [inline]
bpf_prog_run include/linux/filter.h:635 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline]
bpf_trace_run3+0x1d1/0x380 kernel/trace/bpf_trace.c:1918
__bpf_trace_kmem_cache_free+0x99/0xc0 include/trace/events/kmem.h:138
trace_kmem_cache_free include/trace/events/kmem.h:138 [inline]
kmem_cache_free+0x1ce/0x1f0 mm/slub.c:3516
mac80211_hwsim_beacon_tx+0x48f/0x8a0 drivers/net/wireless/mac80211_hwsim.c:1842
__iterate_interfaces+0x21e/0x4b0 net/mac80211/util.c:793
ieee80211_iterate_active_interfaces_atomic+0xaf/0x140 net/mac80211/util.c:829
mac80211_hwsim_beacon+0xa7/0x180 drivers/net/wireless/mac80211_hwsim.c:1865
__run_hrtimer kernel/time/hrtimer.c:1688 [inline]
__hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1752
hrtimer_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1769
handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
__do_softirq kernel/softirq.c:592 [inline]
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x157/0x240 kernel/softirq.c:641
irq_exit_rcu+0x5/0x20 kernel/softirq.c:653
sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:finish_lock_switch+0x91/0x100 kernel/sched/core.c:4782
Code: 45 31 c9 68 97 9b 59 81 e8 9c 11 09 00 48 83 c4 08 4c 89 ff e8 50 db fe ff 66 90 4c 89 ff e8 d6 48 e4 08 e8 51 3f 2d 00 fb 5b <41> 5c 41 5d 41 5e 41 5f c3 44 89 f1 80 e1 07 80 c1 03 38 c1 7c 87
RSP: 0018:ffffc90003006fd8 EFLAGS: 00000286
RAX: 2f227c18f4cd7a00 RBX: ffff888076f08034 RCX: ffffffff81631ae8
RDX: dffffc0000000000 RSI: ffffffff8a8b2b00 RDI: ffffffff8ad904c0
RBP: ffffc90003007050 R08: dffffc0000000000 R09: fffffbfff20e2430
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff1101720760b R14: ffff8880b903b058 R15: ffff8880b903a300
finish_task_switch+0x134/0x630 kernel/sched/core.c:4899
context_switch kernel/sched/core.c:5030 [inline]
__schedule+0x12cc/0x45b0 kernel/sched/core.c:6373
preempt_schedule_irq+0xf7/0x1c0 kernel/sched/core.c:6777
irqentry_exit+0x53/0x80 kernel/entry/common.c:432
asm_sysvec_reschedule_ipi+0x16/0x20 arch/x86/include/asm/idtentry.h:643
RIP: 0010:phys_addr_valid arch/x86/mm/physaddr.h:7 [inline]
RIP: 0010:__phys_addr+0x9e/0x170 arch/x86/mm/physaddr.c:28
Code: 3d 2c cc af 0c bf 40 00 00 00 44 89 fe e8 3a d0 46 00 41 83 ff 3f 0f 87 a0 00 00 00 e8 cb cd 46 00 4c 89 f3 44 89 f9 48 d3 eb <31> ff 48 89 de e8 98 d1 46 00 48 85 db 0f 85 a2 00 00 00 e8 aa cd
RSP: 0018:ffffc900030073c0 EFLAGS: 00000246
RAX: ffffffff81398ca5 RBX: 0000000000000000 RCX: 000000000000002e
RDX: 0000000000000000 RSI: 000000000000002e RDI: 0000000000000040
RBP: 0000000000000000 R08: ffffffff81398c96 R09: 0000000080070005
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea0000854800
R13: ffff888021522200 R14: 0000000021522200 R15: 000000000000002e
virt_to_head_page include/linux/mm.h:900 [inline]
memcg_slab_free_hook+0x8b/0x200 mm/slab.h:348
do_slab_free mm/slub.c:3432 [inline]
___cache_free+0x67/0x100 mm/slub.c:3506
qlist_free_all+0x36/0x90 mm/kasan/quarantine.c:176
kasan_quarantine_reduce+0x162/0x180 mm/kasan/quarantine.c:283
__kasan_slab_alloc+0x2f/0xc0 mm/kasan/common.c:444
kasan_slab_alloc include/linux/kasan.h:254 [inline]
slab_post_alloc_hook+0x53/0x380 mm/slab.h:519
slab_alloc_node mm/slub.c:3220 [inline]
kmem_cache_alloc_node+0x121/0x2c0 mm/slub.c:3256
__alloc_skb+0xdd/0x590 net/core/skbuff.c:415
alloc_skb_fclone include/linux/skbuff.h:1217 [inline]
sk_stream_alloc_skb+0x1fc/0xac0 net/ipv4/tcp.c:889
tcp_sendmsg_locked+0xd34/0x3a90 net/ipv4/tcp.c:1314
tcp_sendmsg+0x2c/0x40 net/ipv4/tcp.c:1457
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
sock_write_iter+0x39b/0x530 net/socket.c:1079
call_write_iter include/linux/fs.h:2172 [inline]
new_sync_write fs/read_write.c:507 [inline]
vfs_write+0xacd/0xe50 fs/read_write.c:594
ksys_write+0x1a2/0x2c0 fs/read_write.c:647
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f766cb90aa0
Code: 40 00 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 fa 18 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89
RSP: 002b:00007fff5f9ced28 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000003dde9f80 RCX: 00007f766cb90aa0
RDX: 00000000000001c0 RSI: 00007f7667813e40 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000007 R09: 00000000003ffdf0
R10: 810838abe8b64523 R11: 0000000000000202 R12: 00000000000001c0
R13: 0000555586be7230 R14: 00007fff5f9cf1d0 R15: 00007f7667813e40
----------------
Code disassembly (best guess):
0: 45 31 c9 xor %r9d,%r9d
3: 68 97 9b 59 81 push $0xffffffff81599b97
8: e8 9c 11 09 00 call 0x911a9
d: 48 83 c4 08 add $0x8,%rsp
11: 4c 89 ff mov %r15,%rdi
14: e8 50 db fe ff call 0xfffedb69
19: 66 90 xchg %ax,%ax
1b: 4c 89 ff mov %r15,%rdi
1e: e8 d6 48 e4 08 call 0x8e448f9
23: e8 51 3f 2d 00 call 0x2d3f79
28: fb sti
29: 5b pop %rbx
* 2a: 41 5c pop %r12 <-- trapping instruction
2c: 41 5d pop %r13
2e: 41 5e pop %r14
30: 41 5f pop %r15
32: c3 ret
33: 44 89 f1 mov %r14d,%ecx
36: 80 e1 07 and $0x7,%cl
39: 80 c1 03 add $0x3,%cl
3c: 38 c1 cmp %al,%cl
3e: 7c 87 jl 0xffffffc7