WARNING: ODEBUG bug in __init_work

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 13d2ce42 Linux 4.19.163
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=171928c0d00000
kernel config: https://syzkaller.appspot.com/x/.config?x=fac7c3360835a4e0
dashboard link: https://syzkaller.appspot.com/bug?extid=ed76a01d848d958557c1
compiler: gcc (GCC) 10.1.0-syz 20200507

Unfortunately, I don't have any reproducer for this issue yet.

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+ed76a0...@syzkaller.appspotmail.com

mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
EXT4-fs (loop2): Unrecognized mount option "@�>`�c" or missing value
IPVS: ftp: loaded support on port[0] = 21
------------[ cut here ]------------
ODEBUG: init active (active state 0) object type: work_struct hint: constant_test_bit arch/x86/include/asm/bitops.h:317 [inline]
ODEBUG: init active (active state 0) object type: work_struct hint: ieee80211_iface_work+0x0/0x8a0 net/mac80211/iface.c:123
WARNING: CPU: 0 PID: 16134 at lib/debugobjects.c:325 debug_print_object+0x160/0x250 lib/debugobjects.c:325
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 16134 Comm: syz-executor.5 Not tainted 4.19.163-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2fe lib/dump_stack.c:118
panic+0x26a/0x50e kernel/panic.c:186
__warn.cold+0x20/0x61 kernel/panic.c:541
report_bug+0x262/0x2b0 lib/bug.c:186
fixup_bug arch/x86/kernel/traps.c:178 [inline]
fixup_bug arch/x86/kernel/traps.c:173 [inline]
do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:debug_print_object+0x160/0x250 lib/debugobjects.c:325
Code: dd e0 ca b3 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd e0 ca b3 88 48 c7 c7 00 bf b3 88 e8 fb 80 b8 fd <0f> 0b 83 05 23 b6 a6 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89
RSP: 0018:ffff8880471873d8 EFLAGS: 00010086
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff814fdbb1 RDI: ffffed1008e30e6d
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000005 R11: ffffffff8c65b01b R12: ffffffff89f530e0
R13: ffffffff813e6c60 R14: ffffffff8d450b08 R15: 00000000000eb140
__debug_object_init+0x475/0x9b0 lib/debugobjects.c:405
__init_work+0x48/0x50 kernel/workqueue.c:504
ieee80211_setup_sdata+0x329/0xf70 net/mac80211/iface.c:1420
ieee80211_runtime_change_iftype net/mac80211/iface.c:1560 [inline]
ieee80211_if_change_type+0x50f/0x5f0 net/mac80211/iface.c:1579
ieee80211_change_iface+0x26/0x220 net/mac80211/cfg.c:157
rdev_change_virtual_intf net/wireless/rdev-ops.h:69 [inline]
cfg80211_change_iface+0x2e1/0x1530 net/wireless/util.c:936
nl80211_set_interface+0x661/0x830 net/wireless/nl80211.c:3205
genl_family_rcv_msg+0x642/0xc40 net/netlink/genetlink.c:602
genl_rcv_msg+0xbf/0x160 net/netlink/genetlink.c:627
netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455
genl_rcv+0x24/0x40 net/netlink/genetlink.c:638
netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1344
netlink_sendmsg+0x6bb/0xc40 net/netlink/af_netlink.c:1909
sock_sendmsg_nosec net/socket.c:622 [inline]
sock_sendmsg+0xc3/0x120 net/socket.c:632
___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2115
__sys_sendmsg net/socket.c:2153 [inline]
__do_sys_sendmsg net/socket.c:2162 [inline]
__se_sys_sendmsg net/socket.c:2160 [inline]
__x64_sys_sendmsg+0x132/0x220 net/socket.c:2160
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45e149
Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fc9d632cc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e149
RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000004
RBP: 000000000119c068 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119c034
R13: 00007ffcf289e4ff R14: 00007fc9d632d9c0 R15: 000000000119c034

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---
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[syzbot]

syzbot has found a reproducer for the following issue on:

HEAD commit: 3f8a27f9e27b Linux 4.19.211
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=17a31f8cb00000
kernel config: https://syzkaller.appspot.com/x/.config?x=9b9277b418617afe
dashboard link: https://syzkaller.appspot.com/bug?extid=ed76a01d848d958557c1
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15c741f4b00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1768286ab00000

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+ed76a0...@syzkaller.appspotmail.com

wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50

------------[ cut here ]------------
ODEBUG: init active (active state 0) object type: work_struct hint: constant_test_bit arch/x86/include/asm/bitops.h:317 [inline]
ODEBUG: init active (active state 0) object type: work_struct hint: ieee80211_iface_work+0x0/0x8a0 net/mac80211/iface.c:123

WARNING: CPU: 0 PID: 22408 at lib/debugobjects.c:325 debug_print_object+0x160/0x250 lib/debugobjects.c:325

Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 22408 Comm: syz-executor912 Not tainted 4.19.211-syzkaller #0

Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]

dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
panic+0x26a/0x50e kernel/panic.c:186
__warn.cold+0x20/0x5a kernel/panic.c:541
report_bug+0x262/0x2b0 lib/bug.c:183

fixup_bug arch/x86/kernel/traps.c:178 [inline]
fixup_bug arch/x86/kernel/traps.c:173 [inline]
do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:debug_print_object+0x160/0x250 lib/debugobjects.c:325

Code: dd 20 f1 b3 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd 20 f1 b3 88 48 c7 c7 40 e5 b3 88 e8 65 92 7b 04 <0f> 0b 83 05 73 e6 af 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89
RSP: 0018:ffff8880a35ef3d8 EFLAGS: 00010086

RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000

RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed10146bde6d

RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000

R10: 0000000000000005 R11: ffffffff8c66501b R12: ffffffff89f532e0
R13: ffffffff813d5200 R14: ffffffff8d3c3708 R15: 0000000000053b40
__debug_object_init+0x475/0x9b0 lib/debugobjects.c:405
__init_work+0x48/0x50 kernel/workqueue.c:505
ieee80211_setup_sdata+0x320/0xf70 net/mac80211/iface.c:1416
ieee80211_runtime_change_iftype net/mac80211/iface.c:1560 [inline]
ieee80211_if_change_type+0x609/0x7a0 net/mac80211/iface.c:1581

ieee80211_change_iface+0x26/0x220 net/mac80211/cfg.c:157
rdev_change_virtual_intf net/wireless/rdev-ops.h:69 [inline]

cfg80211_change_iface+0x2e1/0x1520 net/wireless/util.c:979

nl80211_set_interface+0x661/0x830 net/wireless/nl80211.c:3205
genl_family_rcv_msg+0x642/0xc40 net/netlink/genetlink.c:602
genl_rcv_msg+0xbf/0x160 net/netlink/genetlink.c:627

netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463
genl_rcv+0x24/0x40 net/netlink/genetlink.c:638
netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline]
netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351
netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917
sock_sendmsg_nosec net/socket.c:651 [inline]
sock_sendmsg+0xc3/0x120 net/socket.c:661
___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227
__sys_sendmsg net/socket.c:2265 [inline]
__do_sys_sendmsg net/socket.c:2274 [inline]
__se_sys_sendmsg net/socket.c:2272 [inline]
__x64_sys_sendmsg+0x132/0x220 net/socket.c:2272
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fd7f93a4e39
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 19 00 00 90 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:00007fd7f92e51f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fd7f942d2b8 RCX: 00007fd7f93a4e39

RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000004

RBP: 00007fd7f942d2b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000246 R12: 00007fd7f942d2bc
R13: 00007fff25b6674f R14: 00007fd7f92e5300 R15: 0000000000022000

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