general protection fault, probably for non-canonical address 0xfbd59c0000000020: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0xdead000000000100-0xdead000000000107] CPU: 0 PID: 9108 Comm: syz-executor.0 Not tainted 5.15.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ieee80211_assign_vif_chanctx+0x6c7/0xab0 net/mac80211/chan.c:785 Code: 00 0f 85 93 00 00 00 e9 ee 00 00 00 e8 92 3d 53 f8 49 89 ec 4c 8d 75 20 31 db 4c 89 f5 66 0f 1f 44 00 00 48 89 e8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 ef e8 ea 6a 9b f8 48 8b 6d 00 4c 39 f5 RSP: 0018:ffffc9000d197638 EFLAGS: 00010a02 RAX: 1bd5a00000000020 RBX: 0000000000000002 RCX: ffff888016530000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: dead000000000100 R08: ffffffff89286a84 R09: ffffed10173864a2 R10: ffffed10173864a2 R11: 0000000000000000 R12: ffff88801d706500 R13: ffff888072908c80 R14: ffff88801d706520 R15: dffffc0000000000 FS: 00007fde6d930700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fde6d8ecff8 CR3: 0000000069372000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __ieee80211_vif_release_channel+0x299/0x560 net/mac80211/chan.c:1651 ieee80211_vif_release_channel+0x13e/0x1a0 net/mac80211/chan.c:1865 ieee80211_ibss_disconnect+0x6ce/0x880 net/mac80211/ibss.c:728 ieee80211_ibss_leave+0x2a/0x130 net/mac80211/ibss.c:1864 rdev_leave_ibss net/wireless/rdev-ops.h:555 [inline] __cfg80211_leave_ibss+0x11c/0x200 net/wireless/ibss.c:213 cfg80211_leave_ibss+0x5c/0x70 net/wireless/ibss.c:231 cfg80211_change_iface+0x46c/0xb60 net/wireless/util.c:1050 nl80211_set_interface+0x497/0x7f0 net/wireless/nl80211.c:3930 genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline] genl_family_rcv_msg net/netlink/genetlink.c:775 [inline] genl_rcv_msg+0xe4e/0x1280 net/netlink/genetlink.c:792 netlink_rcv_skb+0x190/0x3a0 net/netlink/af_netlink.c:2510 genl_rcv+0x24/0x40 net/netlink/genetlink.c:803 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x786/0x940 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x9cb/0xd10 net/netlink/af_netlink.c:1935 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg net/socket.c:724 [inline] ____sys_sendmsg+0x519/0x800 net/socket.c:2409 ___sys_sendmsg net/socket.c:2463 [inline] __sys_sendmsg+0x2bf/0x370 net/socket.c:2492 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x466459 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:00007fde6d930188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459 RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000003 RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffe585ddd4f R14: 00007fde6d930300 R15: 0000000000022000 Modules linked in: ---[ end trace 3edf717dcb73bcb4 ]--- RIP: 0010:ieee80211_assign_vif_chanctx+0x6c7/0xab0 net/mac80211/chan.c:785 Code: 00 0f 85 93 00 00 00 e9 ee 00 00 00 e8 92 3d 53 f8 49 89 ec 4c 8d 75 20 31 db 4c 89 f5 66 0f 1f 44 00 00 48 89 e8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 ef e8 ea 6a 9b f8 48 8b 6d 00 4c 39 f5 RSP: 0018:ffffc9000d197638 EFLAGS: 00010a02 RAX: 1bd5a00000000020 RBX: 0000000000000002 RCX: ffff888016530000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: dead000000000100 R08: ffffffff89286a84 R09: ffffed10173864a2 R10: ffffed10173864a2 R11: 0000000000000000 R12: ffff88801d706500 R13: ffff888072908c80 R14: ffff88801d706520 R15: dffffc0000000000 FS: 00007fde6d930700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fde6d8ee718 CR3: 0000000069372000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 00 0f add %cl,(%rdi) 2: 85 93 00 00 00 e9 test %edx,-0x17000000(%rbx) 8: ee out %al,(%dx) 9: 00 00 add %al,(%rax) b: 00 e8 add %ch,%al d: 92 xchg %eax,%edx e: 3d 53 f8 49 89 cmp $0x8949f853,%eax 13: ec in (%dx),%al 14: 4c 8d 75 20 lea 0x20(%rbp),%r14 18: 31 db xor %ebx,%ebx 1a: 4c 89 f5 mov %r14,%rbp 1d: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) 23: 48 89 e8 mov %rbp,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 48 89 ef mov %rbp,%rdi 34: e8 ea 6a 9b f8 callq 0xf89b6b23 39: 48 8b 6d 00 mov 0x0(%rbp),%rbp 3d: 4c 39 f5 cmp %r14,%rbp