------------[ cut here ]------------
WARNING: CPU: 1 PID: 4299 at mm/maccess.c:226 copy_from_user_nofault+0x15c/0x1c0
Modules linked in:
CPU: 1 PID: 4299 Comm: modprobe Not tainted 5.15.170-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 0b c7 d5 ff 48 c7 c0 f2 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 f4 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:ffffc90000dd08e8 EFLAGS: 00010246
RAX: ffffffff81aaaccc RBX: 0000000000000000 RCX: ffff888077913b80
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81aaabdd R09: fffffbfff20ec621
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffffc90000dd0948
FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb97b023018 CR3: 0000000060804000 CR4: 00000000003506e0
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_690f12e098ef46de+0x32/0xba0
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:1878 [inline]
bpf_trace_run2+0x19e/0x340 kernel/trace/bpf_trace.c:1915
__bpf_trace_kfree+0x6e/0x90 include/trace/events/kmem.h:118
trace_kfree include/trace/events/kmem.h:118 [inline]
kfree+0x22f/0x270 mm/slub.c:4549
skb_free_head net/core/skbuff.c:655 [inline]
skb_release_data+0x73a/0x8a0 net/core/skbuff.c:677
skb_release_all net/core/skbuff.c:742 [inline]
__kfree_skb net/core/skbuff.c:756 [inline]
consume_skb+0xa3/0x140 net/core/skbuff.c:914
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
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:should_fail+0x171/0x4c0 lib/fault-inject.c:152
Code: ff ff ff cd 42 0f b6 04 2b 84 c0 0f 85 8c 02 00 00 41 89 2c 24 85 ed 0f 84 98 00 00 00 31 db 89 d8 48 83 c4 18 5b 41 5c 41 5d <41> 5e 41 5f 5d c3 49 8d 5f 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00
RSP: 0018:ffffc900031a7b60 EFLAGS: 00000286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff888077913b80
RDX: ffff888077913b80 RSI: 0000000000001000 RDI: ffffffff8c9f5c20
RBP: 1ffffffff193eb84 R08: dffffc0000000000 R09: fffffbfff1bd2cce
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880171ea500
R13: dffffc0000000000 R14: 0000000000001000 R15: ffffffff8c9f5c20
should_failslab+0x5/0x20 mm/slab_common.c:1344
slab_pre_alloc_hook+0x53/0xc0 mm/slab.h:494
slab_alloc_node mm/slub.c:3134 [inline]
slab_alloc mm/slub.c:3228 [inline]
kmem_cache_alloc+0x3f/0x280 mm/slub.c:3233
getname_flags+0xb8/0x4e0 fs/namei.c:138
user_path_at_empty+0x2a/0x180 fs/namei.c:2882
user_path_at include/linux/namei.h:57 [inline]
vfs_statx+0x106/0x3b0 fs/stat.c:221
vfs_fstatat fs/stat.c:243 [inline]
__do_sys_newfstatat fs/stat.c:411 [inline]
__se_sys_newfstatat fs/stat.c:405 [inline]
__x64_sys_newfstatat+0x12c/0x1b0 fs/stat.c:405
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: 0033:0x7fb97b0408a9
Code: 49 01 00 09 00 00 00 83 c8 ff c3 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 00 00 00 00 41 89 ca b8 06 01 00 00 0f 05 <45> 31 c0 3d 00 f0 ff ff 76 0c f7 d8 41 83 c8 ff 89 05 a1 49 01 00
RSP: 002b:00007ffde3e112b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00007fb97b023000 RCX: 00007fb97b0408a9
RDX: 00007ffde3e11360 RSI: 00007ffde3e112c0 RDI: 00000000ffffff9c
RBP: 00007ffde3e11420 R08: 0000000000080000 R09: 00007ffde3e112c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffde3e112c0
R13: 0000000000000008 R14: 00007fb97b052a40 R15: 00000000ffffffff
----------------
Code disassembly (best guess), 2 bytes skipped:
0: ff cd dec %ebp
2: 42 0f b6 04 2b movzbl (%rbx,%r13,1),%eax
7: 84 c0 test %al,%al
9: 0f 85 8c 02 00 00 jne 0x29b
f: 41 89 2c 24 mov %ebp,(%r12)
13: 85 ed test %ebp,%ebp
15: 0f 84 98 00 00 00 je 0xb3
1b: 31 db xor %ebx,%ebx
1d: 89 d8 mov %ebx,%eax
1f: 48 83 c4 18 add $0x18,%rsp
23: 5b pop %rbx
24: 41 5c pop %r12
26: 41 5d pop %r13
* 28: 41 5e pop %r14 <-- trapping instruction
2a: 41 5f pop %r15
2c: 5d pop %rbp
2d: c3 ret
2e: 49 8d 5f 08 lea 0x8(%r15),%rbx
32: 48 89 d8 mov %rbx,%rax
35: 48 c1 e8 03 shr $0x3,%rax
39: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1)