==================================================================
BUG: KASAN: slab-out-of-bounds in init_module_from_file+0x630/0x6b0
Read of size 8 at addr ffff888016edfe20 by task syz-executor.5/13970
CPU: 0 PID: 13970 Comm: syz-executor.5 Not tainted 6.4.0-next-20230703 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0x91/0xf0
print_report+0xcc/0x620
kasan_report+0xbe/0xf0
init_module_from_file+0x630/0x6b0
__x64_sys_finit_module+0xee/0x160
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7f3478e3bb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f34763b1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
RAX: ffffffffffffffda RBX: 00007f3478f4ef60 RCX: 00007f3478e3bb19
RDX: 0000000000000002 RSI: 0000000020000040 RDI: 0000000000000004
RBP: 00007f3478e95f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe0ef7795f R14: 00007f34763b1300 R15: 0000000000022000
Allocated by task 8063:
kasan_save_stack+0x22/0x50
kasan_set_track+0x25/0x30
__kasan_kmalloc+0x7f/0x90
__kmalloc+0x5a/0x160
ieee802_11_parse_elems_full+0xcc/0x11d0
ieee80211_inform_bss+0x11d/0x10e0
rdev_inform_bss+0xd3/0x390
cfg80211_inform_single_bss_frame_data+0x783/0xf90
cfg80211_inform_bss_frame_data+0xc2/0x290
ieee80211_bss_info_update+0x371/0x9b0
ieee80211_ibss_rx_queued_mgmt+0x198e/0x2e70
ieee80211_iface_work+0x9bf/0xcb0
cfg80211_wiphy_work+0x1f7/0x290
process_one_work+0xabf/0x1770
worker_thread+0x64f/0x12a0
kthread+0x33f/0x440
ret_from_fork+0x2c/0x50
Freed by task 8063:
kasan_save_stack+0x22/0x50
kasan_set_track+0x25/0x30
kasan_save_free_info+0x2b/0x50
__kasan_slab_free+0x10a/0x190
__kmem_cache_free+0xe1/0x330
ieee80211_inform_bss+0xbba/0x10e0
rdev_inform_bss+0xd3/0x390
cfg80211_inform_single_bss_frame_data+0x783/0xf90
cfg80211_inform_bss_frame_data+0xc2/0x290
ieee80211_bss_info_update+0x371/0x9b0
ieee80211_ibss_rx_queued_mgmt+0x198e/0x2e70
ieee80211_iface_work+0x9bf/0xcb0
cfg80211_wiphy_work+0x1f7/0x290
process_one_work+0xabf/0x1770
worker_thread+0x64f/0x12a0
kthread+0x33f/0x440
ret_from_fork+0x2c/0x50
The buggy address belongs to the object at ffff888016edf800
which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 544 bytes to the right of
allocated 1024-byte region [ffff888016edf800, ffff888016edfc00)
The buggy address belongs to the physical page:
page:00000000bef600bf refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x16ed8
head:00000000bef600bf order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0
anon flags: 0x100000000010200(slab|head|node=0|zone=1)
page_type: 0xffffffff()
raw: 0100000000010200 ffff888008441dc0 0000000000000000 0000000000000001
raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff888016edfd00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888016edfd80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888016edfe00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
^
ffff888016edfe80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888016edff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================
general protection fault, probably for non-canonical address 0xeac826e83f43c1fd: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: maybe wild-memory-access in range [0x56415741fa1e0fe8-0x56415741fa1e0fef]
CPU: 0 PID: 13970 Comm: syz-executor.5 Tainted: G B 6.4.0-next-20230703 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:init_module_from_file+0x1c1/0x6b0
Code: 0f 84 c4 01 00 00 e8 5e 36 12 00 4d 89 e7 49 83 ef 08 74 61 e8 50 36 12 00 4c 89 fa 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 5d 04 00 00 4d 3b 2f 0f 84 ae 00 00 00 e8 27 36
RSP: 0018:ffff88801f2ffd28 EFLAGS: 00010212
RAX: dffffc0000000000 RBX: 000000000000003b RCX: ffffc900033dd000
RDX: 0ac82ae83f43c1fd RSI: ffffffff813a30d0 RDI: ffffffff810811d0
RBP: ffff88801641af00 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888016edfe28
R13: ffff888008937740 R14: ffffffff87b7be78 R15: 56415741fa1e0feb
FS: 00007f34763b1700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000040 CR3: 000000002fd0c000 CR4: 0000000000350ef0
Call Trace:
__x64_sys_finit_module+0xee/0x160
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7f3478e3bb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f34763b1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
RAX: ffffffffffffffda RBX: 00007f3478f4ef60 RCX: 00007f3478e3bb19
RDX: 0000000000000002 RSI: 0000000020000040 RDI: 0000000000000004
RBP: 00007f3478e95f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe0ef7795f R14: 00007f34763b1300 R15: 0000000000022000
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:init_module_from_file+0x1c1/0x6b0
Code: 0f 84 c4 01 00 00 e8 5e 36 12 00 4d 89 e7 49 83 ef 08 74 61 e8 50 36 12 00 4c 89 fa 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 5d 04 00 00 4d 3b 2f 0f 84 ae 00 00 00 e8 27 36
RSP: 0018:ffff88801f2ffd28 EFLAGS: 00010212
RAX: dffffc0000000000 RBX: 000000000000003b RCX: ffffc900033dd000
RDX: 0ac82ae83f43c1fd RSI: ffffffff813a30d0 RDI: ffffffff810811d0
RBP: ffff88801641af00 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888016edfe28
R13: ffff888008937740 R14: ffffffff87b7be78 R15: 56415741fa1e0feb
FS: 00007f34763b1700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000040 CR3: 000000002fd0c000 CR4: 0000000000350ef0
note: syz-executor.5[13970] exited with preempt_count 1
----------------
Code disassembly (best guess):
0: 0f 84 c4 01 00 00 je 0x1ca
6: e8 5e 36 12 00 callq 0x123669
b: 4d 89 e7 mov %r12,%r15
e: 49 83 ef 08 sub $0x8,%r15
12: 74 61 je 0x75
14: e8 50 36 12 00 callq 0x123669
19: 4c 89 fa mov %r15,%rdx
1c: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
23: fc ff df
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction
2e: 0f 85 5d 04 00 00 jne 0x491
34: 4d 3b 2f cmp (%r15),%r13
37: 0f 84 ae 00 00 00 je 0xeb
3d: e8 .byte 0xe8
3e: 27 (bad)
3f: 36 ss