wlan1: send auth to aa:09:b7:99:c0:d7 (try 2/3) wlan1: send auth to aa:09:b7:99:c0:d7 (try 3/3) wlan1: authentication with aa:09:b7:99:c0:d7 timed out Oops: general protection fault, probably for non-canonical address 0xdffffc0000000029: 0000 [#1] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000148-0x000000000000014f] CPU: 0 UID: 0 PID: 1042 Comm: kworker/u4:7 Not tainted 6.16.0-syzkaller-11743-g6bcdbd62bd56 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: events_unbound cfg80211_wiphy_work RIP: 0010:kasan_byte_accessible+0x12/0x30 mm/kasan/generic.c:199 Code: 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 07 3c 08 0f 92 c0 c3 cc cc cc cc cc 66 66 66 66 66 66 2e RSP: 0018:ffffc9000259f3e0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffffffff819d03fd RCX: 906b051e26cdf300 RDX: 0000000000000000 RSI: ffffffff819d03fd RDI: 0000000000000029 RBP: ffffffff824189ca R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed100873f561 R12: 0000000000000000 R13: 0000000000000148 R14: 0000000000000148 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88808d218000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31e5ffff CR3: 000000004028d000 CR4: 0000000000352ef0 Call Trace: __kasan_check_byte+0x12/0x40 mm/kasan/common.c:567 kasan_check_byte include/linux/kasan.h:399 [inline] lock_acquire+0x8d/0x360 kernel/locking/lockdep.c:5842 down_write_nested+0x9d/0x200 kernel/locking/rwsem.c:1706 inode_lock_nested include/linux/fs.h:914 [inline] __simple_recursive_removal+0x9a/0x510 fs/libfs.c:614 debugfs_remove+0x5b/0x70 fs/debugfs/inode.c:790 ieee80211_sta_debugfs_remove+0x40/0x70 net/mac80211/debugfs_sta.c:1279 __sta_info_destroy_part2+0x352/0x450 net/mac80211/sta_info.c:1550 __sta_info_destroy net/mac80211/sta_info.c:1566 [inline] sta_info_destroy_addr+0xf5/0x140 net/mac80211/sta_info.c:1578 ieee80211_destroy_auth_data+0x12d/0x260 net/mac80211/mlme.c:4673 ieee80211_sta_work+0x11cf/0x3600 net/mac80211/mlme.c:8403 cfg80211_wiphy_work+0x2bb/0x470 net/wireless/core.c:435 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3319 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400 kthread+0x70e/0x8a0 kernel/kthread.c:463 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:kasan_byte_accessible+0x12/0x30 mm/kasan/generic.c:199 Code: 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 07 3c 08 0f 92 c0 c3 cc cc cc cc cc 66 66 66 66 66 66 2e RSP: 0018:ffffc9000259f3e0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffffffff819d03fd RCX: 906b051e26cdf300 RDX: 0000000000000000 RSI: ffffffff819d03fd RDI: 0000000000000029 RBP: ffffffff824189ca R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed100873f561 R12: 0000000000000000 R13: 0000000000000148 R14: 0000000000000148 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88808d218000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31e5ffff CR3: 000000004ee46000 CR4: 0000000000352ef0 ---------------- Code disassembly (best guess): 0: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 7: 00 8: 90 nop 9: 90 nop a: 90 nop b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 66 0f 1f 00 nopw (%rax) 1c: 48 c1 ef 03 shr $0x3,%rdi 20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 27: fc ff df * 2a: 0f b6 04 07 movzbl (%rdi,%rax,1),%eax <-- trapping instruction 2e: 3c 08 cmp $0x8,%al 30: 0f 92 c0 setb %al 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: cc int3 39: 66 data16 3a: 66 data16 3b: 66 data16 3c: 66 data16 3d: 66 data16 3e: 66 data16 3f: 2e cs