syzbot


WARNING in nl80211_connect

Status: auto-closed as invalid on 2021/03/19 01:33
Reported-by: syzbot+c407d13697b47bb51cf6@syzkaller.appspotmail.com
First crash: 595d, last: 595d
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING in nl80211_connect 1 589d 589d 0/1 auto-closed as invalid on 2021/03/24 16:48

Sample crash report:
 block_ioctl+0xd9/0x120 fs/block_dev.c:1893
------------[ cut here ]------------
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684
WARNING: CPU: 0 PID: 17067 at net/wireless/sme.c:533 cfg80211_sme_connect net/wireless/sme.c:533 [inline]
WARNING: CPU: 0 PID: 17067 at net/wireless/sme.c:533 cfg80211_connect+0x1856/0x2120 net/wireless/sme.c:1141
Kernel panic - not syncing: panic_on_warn set ...

 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45dd27
RSP: 002b:00007fdd0e1dda28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000045dd27
RDX: 0000000000000006 RSI: 0000000000004c00 RDI: 0000000000000007
RBP: 0000000000000000 R08: 00007fdd0e1ddad8 R09: 0000000000000000
R10: 00007fdd0e1ddadc R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000006 R14: 0000000000000006 R15: 0000000020000150
CPU: 0 PID: 17067 Comm: syz-executor.5 Not tainted 4.14.207-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x283 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x20/0x4b kernel/panic.c:547
 report_bug+0x208/0x249 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964
RIP: 0010:cfg80211_sme_connect net/wireless/sme.c:533 [inline]
RIP: 0010:cfg80211_connect+0x1856/0x2120 net/wireless/sme.c:1141
RSP: 0018:ffff888059b2f448 EFLAGS: 00010212
RAX: 0000000000040000 RBX: ffff888062dd6250 RCX: ffffc9000cff9000
RDX: 0000000000000505 RSI: ffffffff86c47f76 RDI: ffffffff886b8278
RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed100c5bac6a
R10: ffff888062dd6355 R11: ffff8880ac0e2640 R12: ffff888059b2f5c0
R13: ffffffff886b8140 R14: ffff888062dd6378 R15: ffff888062dd6350
 nl80211_connect+0x1379/0x1cd0 net/wireless/nl80211.c:9113
 genl_family_rcv_msg+0x572/0xb20 net/netlink/genetlink.c:600
 genl_rcv_msg+0xaf/0x140 net/netlink/genetlink.c:625
 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:636
 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline]
 netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313
 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
ISOFS: Unable to identify CD-ROM format.
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45deb9
RSP: 002b:00007f225a481c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000002b040 RCX: 000000000045deb9
RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007fff8743a06f R14: 00007f225a4829c0 R15: 000000000118bf2c
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2020/11/19 01:33 linux-4.14.y 8961076ed318 0767f13f .config log report info