[v6.1] WARNING in init_timer_key

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 7ec6f9fa3d97 Linux 6.1.114
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=103fd65f980000
kernel config: https://syzkaller.appspot.com/x/.config?x=c3430b5172170129
dashboard link: https://syzkaller.appspot.com/bug?extid=eab3060d1b11d3caa138
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

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

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/85855dd3567d/disk-7ec6f9fa.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/2938cf086485/vmlinux-7ec6f9fa.xz
kernel image: https://storage.googleapis.com/syzbot-assets/708aae50ad2d/bzImage-7ec6f9fa.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+eab306...@syzkaller.appspotmail.com

------------[ cut here ]------------
ODEBUG: init active (active state 0) object type: timer_list hint: 0x0
WARNING: CPU: 1 PID: 14880 at lib/debugobjects.c:518 debug_print_object lib/debugobjects.c:515 [inline]
WARNING: CPU: 1 PID: 14880 at lib/debugobjects.c:518 __debug_object_init+0x2f0/0x450 lib/debugobjects.c:643
Modules linked in:
CPU: 1 PID: 14880 Comm: syz.5.2301 Not tainted 6.1.114-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:debug_print_object lib/debugobjects.c:515 [inline]
RIP: 0010:__debug_object_init+0x2f0/0x450 lib/debugobjects.c:643
Code: 00 74 08 48 89 df e8 cf b5 a3 fd 4c 8b 03 48 c7 c7 a0 7e 5d 8b 48 c7 c6 00 7d 5d 8b 48 89 ea 8b 0c 24 4d 89 e1 e8 c0 4d 14 fd <0f> 0b ff 05 20 d7 5b 0a 41 83 ff 03 75 3b 48 8b 5c 24 18 48 83 c3
RSP: 0018:ffffc9000411f160 EFLAGS: 00010246
RAX: 0cd156bc972b1000 RBX: ffffffff8b0dd9e0 RCX: 0000000000040000
RDX: ffffc9000c549000 RSI: 0000000000007db2 RDI: 0000000000007db3
RBP: ffffffff8b5d8000 R08: ffffffff8152afae R09: fffff52000823d8d
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff888026db5a28 R14: dffffc0000000000 R15: 0000000000000003
FS: 00007fcee61736c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3091eff8 CR3: 00000000801e9000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
debug_timer_init kernel/time/timer.c:777 [inline]
debug_init kernel/time/timer.c:825 [inline]
init_timer_key+0x40/0x350 kernel/time/timer.c:869
ieee80211_sta_setup_sdata+0x372/0x6a0 net/mac80211/mlme.c:6385
ieee80211_setup_sdata+0x784/0xc30 net/mac80211/iface.c:1833
ieee80211_runtime_change_iftype net/mac80211/iface.c:1957 [inline]
ieee80211_if_change_type+0x61c/0xaa0 net/mac80211/iface.c:1979
ieee80211_change_iface+0x61/0x480 net/mac80211/cfg.c:217
rdev_change_virtual_intf net/wireless/rdev-ops.h:74 [inline]
cfg80211_change_iface+0x819/0x1030 net/wireless/util.c:1159
nl80211_set_interface+0x5f9/0x870 net/wireless/nl80211.c:4204
genl_family_rcv_msg_doit net/netlink/genetlink.c:756 [inline]
genl_family_rcv_msg net/netlink/genetlink.c:833 [inline]
genl_rcv_msg+0xc1a/0xf70 net/netlink/genetlink.c:850
netlink_rcv_skb+0x1cd/0x410 net/netlink/af_netlink.c:2508
genl_rcv+0x24/0x40 net/netlink/genetlink.c:861
netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline]
netlink_unicast+0x7d8/0x970 net/netlink/af_netlink.c:1352
netlink_sendmsg+0xa26/0xd60 net/netlink/af_netlink.c:1874
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
____sys_sendmsg+0x5a5/0x8f0 net/socket.c:2519
___sys_sendmsg net/socket.c:2573 [inline]
__sys_sendmsg+0x2a9/0x390 net/socket.c:2602
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fcee537e719
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcee6173038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fcee5536130 RCX: 00007fcee537e719
RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000008
RBP: 00007fcee53f132e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fcee5536130 R15: 00007ffc1643a118
</TASK>


---
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[syzbot]

syzbot has found a reproducer for the following issue on:

HEAD commit: e4d90d63d385 Linux 6.1.119
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=119a9330580000
kernel config: https://syzkaller.appspot.com/x/.config?x=5516a02be29a5649

dashboard link: https://syzkaller.appspot.com/bug?extid=eab3060d1b11d3caa138
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

syz repro: https://syzkaller.appspot.com/x/repro.syz?x=153f68df980000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13754020580000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/19f991f20183/disk-e4d90d63.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/61eb5f055f38/vmlinux-e4d90d63.xz
kernel image: https://storage.googleapis.com/syzbot-assets/0ddd97416681/bzImage-e4d90d63.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/02693ab10e90/mount_0.gz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+eab306...@syzkaller.appspotmail.com

loop0: detected capacity change from 0 to 256
FAT-fs (loop0): Unrecognized mount option "utf " or missing value

------------[ cut here ]------------
ODEBUG: init active (active state 0) object type: timer_list hint: 0x0

WARNING: CPU: 1 PID: 4275 at lib/debugobjects.c:518 debug_print_object lib/debugobjects.c:515 [inline]
WARNING: CPU: 1 PID: 4275 at lib/debugobjects.c:518 __debug_object_init+0x2f0/0x450 lib/debugobjects.c:643
Modules linked in:
CPU: 1 PID: 4275 Comm: syz-executor319 Not tainted 6.1.119-syzkaller #0

Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:debug_print_object lib/debugobjects.c:515 [inline]
RIP: 0010:__debug_object_init+0x2f0/0x450 lib/debugobjects.c:643

Code: 00 74 08 48 89 df e8 9f 35 99 fd 4c 8b 03 48 c7 c7 60 6b 5e 8b 48 c7 c6 c0 69 5e 8b 48 89 ea 8b 0c 24 4d 89 e1 e8 70 c6 09 fd <0f> 0b ff 05 00 3d 52 0a 41 83 ff 03 75 3b 48 8b 5c 24 18 48 83 c3
RSP: 0018:ffffc90003b67160 EFLAGS: 00010246
RAX: 93520269961f9100 RBX: ffffffff8b0dd8e0 RCX: ffff88801aff3b80
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffffff8b5e6cc0 R08: ffffffff8152b88e R09: fffff5200076cd8d

R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000

R13: ffff88802f779a28 R14: dffffc0000000000 R15: 0000000000000003
FS: 000055558900b380(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000

CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033

CR2: 0000000000000000 CR3: 0000000028fa3000 CR4: 00000000003506e0

DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
debug_timer_init kernel/time/timer.c:777 [inline]
debug_init kernel/time/timer.c:825 [inline]
init_timer_key+0x40/0x350 kernel/time/timer.c:869
ieee80211_sta_setup_sdata+0x372/0x6a0 net/mac80211/mlme.c:6385
ieee80211_setup_sdata+0x784/0xc30 net/mac80211/iface.c:1833
ieee80211_runtime_change_iftype net/mac80211/iface.c:1957 [inline]
ieee80211_if_change_type+0x61c/0xaa0 net/mac80211/iface.c:1979
ieee80211_change_iface+0x61/0x480 net/mac80211/cfg.c:217
rdev_change_virtual_intf net/wireless/rdev-ops.h:74 [inline]
cfg80211_change_iface+0x819/0x1030 net/wireless/util.c:1159
nl80211_set_interface+0x5f9/0x870 net/wireless/nl80211.c:4204
genl_family_rcv_msg_doit net/netlink/genetlink.c:756 [inline]
genl_family_rcv_msg net/netlink/genetlink.c:833 [inline]
genl_rcv_msg+0xc1a/0xf70 net/netlink/genetlink.c:850

netlink_rcv_skb+0x1cd/0x410 net/netlink/af_netlink.c:2493
genl_rcv+0x24/0x40 net/netlink/genetlink.c:861
netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
netlink_unicast+0x7d8/0x970 net/netlink/af_netlink.c:1337
netlink_sendmsg+0xa26/0xd60 net/netlink/af_netlink.c:1859

sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
____sys_sendmsg+0x5a5/0x8f0 net/socket.c:2519
___sys_sendmsg net/socket.c:2573 [inline]
__sys_sendmsg+0x2a9/0x390 net/socket.c:2602
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2

RIP: 0033:0x7f8a063dc129
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 1f 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff96329148 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8a063dc129
RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000007
RBP: 0000000000000000 R08: 00007fff96328c70 R09: 00007fff96328c70

R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000

R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>


---
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