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WARNING in init_timer_key

Status: upstream: reported C repro on 2025/01/11 14:11
Bug presence: origin:lts-only
[Documentation on labels]
Reported-by: syzbot+19ad7367f6c33263d0d0@syzkaller.appspotmail.com
First crash: 128d, last: 8d05h
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2025/01/11 linux-5.15.y (ToT) 4735586da88e C [report] WARNING in init_timer_key
2025/01/11 upstream (ToT) 77a903cd8e5a C Didn't crash
▶ ▼ Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in init_timer_key wireless C done 2 1457d 1563d 20/28 fixed on 2021/11/10 00:50
upstream WARNING in init_timer_key (2) batman 1 926d 926d 0/28 closed as invalid on 2023/02/17 17:35
linux-6.1 WARNING in init_timer_key origin:lts-only C inconclusive 7 159d 205d 0/3 upstream: reported C repro on 2024/10/26 17:15
▶ ▼ Last patch testing requests (10)
Created Duration User Patch Repo Result
2025/05/11 17:14 25m retest repro linux-5.15.y report log
2025/05/11 17:14 1h19m retest repro linux-5.15.y report log
2025/05/11 17:14 19m retest repro linux-5.15.y report log
2025/05/11 17:14 16m retest repro linux-5.15.y report log
2025/05/11 17:14 17m retest repro linux-5.15.y report log
2025/04/07 15:25 21m retest repro linux-5.15.y report log
2025/04/07 15:25 14m retest repro linux-5.15.y report log
2025/04/07 15:25 20m retest repro linux-5.15.y report log
2025/04/07 15:25 20m retest repro linux-5.15.y report log
2025/03/24 14:43 34m retest repro linux-5.15.y report log

Sample crash report:
------------[ cut here ]------------
ODEBUG: init active (active state 0) object type: timer_list hint: 0x0
WARNING: CPU: 1 PID: 9842 at lib/debugobjects.c:521 debug_print_object lib/debugobjects.c:518 [inline]
WARNING: CPU: 1 PID: 9842 at lib/debugobjects.c:521 __debug_object_init+0x33c/0xbe8 lib/debugobjects.c:641
Modules linked in:
CPU: 1 PID: 9842 Comm: syz-executor634 Not tainted 5.15.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : debug_print_object lib/debugobjects.c:518 [inline]
pc : __debug_object_init+0x33c/0xbe8 lib/debugobjects.c:641
lr : debug_print_object lib/debugobjects.c:518 [inline]
lr : __debug_object_init+0x33c/0xbe8 lib/debugobjects.c:641
sp : ffff80001fdc6ec0
x29: ffff80001fdc7070 x28: dfff800000000000 x27: ffff0000cc319678
x26: ffff0000cdba5a38 x25: 0000000000000000 x24: ffff800011cc3dc0
x23: ffff800012167d80 x22: 0000000000000000 x21: 0000000000000003
x20: ffff0000cdba5a38 x19: ffff80001baf6000 x18: 1fffe0003683298e
x17: 1fffe0003683298e x16: ffff800011b54788 x15: ffff800014c0f320
x14: 1ffff0000296e06c x13: dfff800000000000 x12: 0000000000000001
x11: 0000000000000000 x10: 0000000000000000 x9 : ec58c97e19087200
x8 : ec58c97e19087200 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff8000085597fc
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000046
Call trace:
 debug_print_object lib/debugobjects.c:518 [inline]
 __debug_object_init+0x33c/0xbe8 lib/debugobjects.c:641
 debug_object_init+0x20/0x2c lib/debugobjects.c:657
 debug_timer_init kernel/time/timer.c:724 [inline]
 debug_init kernel/time/timer.c:772 [inline]
 init_timer_key+0x54/0x468 kernel/time/timer.c:816
 ieee80211_ibss_setup_sdata+0x48/0x158 net/mac80211/ibss.c:1736
 ieee80211_setup_sdata+0x628/0xbb4 net/mac80211/iface.c:1623
 ieee80211_runtime_change_iftype net/mac80211/iface.c:1732 [inline]
 ieee80211_if_change_type+0x770/0xc68 net/mac80211/iface.c:1754
 ieee80211_change_iface+0x6c/0x3a0 net/mac80211/cfg.c:160
 rdev_change_virtual_intf net/wireless/rdev-ops.h:69 [inline]
 cfg80211_change_iface+0x778/0x143c net/wireless/util.c:1074
 nl80211_set_interface+0x404/0x710 net/wireless/nl80211.c:3958
 genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:775 [inline]
 genl_rcv_msg+0xc48/0x1044 net/netlink/genetlink.c:792
 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2489
 genl_rcv+0x38/0x50 net/netlink/genetlink.c:803
 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
 netlink_unicast+0x664/0x938 net/netlink/af_netlink.c:1337
 netlink_sendmsg+0x844/0xb38 net/netlink/af_netlink.c:1905
 sock_sendmsg_nosec net/socket.c:704 [inline]
 __sock_sendmsg net/socket.c:716 [inline]
 __sys_sendto+0x388/0x4d0 net/socket.c:2063
 __do_sys_sendto net/socket.c:2075 [inline]
 __se_sys_sendto net/socket.c:2071 [inline]
 __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 1712
hardirqs last  enabled at (1711): [<ffff80000826d288>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline]
hardirqs last  enabled at (1711): [<ffff80000826d288>] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:4784
hardirqs last disabled at (1712): [<ffff800011b4fe3c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (1312): [<ffff8000114867d8>] spin_unlock_bh include/linux/spinlock.h:408 [inline]
softirqs last  enabled at (1312): [<ffff8000114867d8>] ieee80211_configure_filter+0x5e0/0x142c net/mac80211/main.c:74
softirqs last disabled at (1310): [<ffff8000114865f0>] spin_lock_bh include/linux/spinlock.h:368 [inline]
softirqs last disabled at (1310): [<ffff8000114865f0>] ieee80211_configure_filter+0x3f8/0x142c net/mac80211/main.c:70
---[ end trace ca02f3e2f1819a9a ]---
INFO: trying to register non-static key.
The code is fine but needs lockdep annotation, or maybe
you didn't initialize this object before use?
turning off the locking correctness validator.
CPU: 1 PID: 9842 Comm: syz-executor634 Tainted: G        W         5.15.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call trace:
 dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 assign_lock_key+0x1e4/0x1f0 kernel/locking/lockdep.c:937
 register_lock_class+0x148/0x6a4 kernel/locking/lockdep.c:1250
 __lock_acquire+0x184/0x7638 kernel/locking/lockdep.c:4891
 lock_acquire+0x240/0x77c kernel/locking/lockdep.c:5623
 timer_delete_sync+0x9c/0x210 kernel/time/timer.c:1395
 del_timer_sync include/linux/timer.h:198 [inline]
 timer_fixup_init+0x3c/0x6c kernel/time/timer.c:641
 debug_object_fixup lib/debugobjects.c:534 [inline]
 __debug_object_init+0x388/0xbe8 lib/debugobjects.c:644
 debug_object_init+0x20/0x2c lib/debugobjects.c:657
 debug_timer_init kernel/time/timer.c:724 [inline]
 debug_init kernel/time/timer.c:772 [inline]
 init_timer_key+0x54/0x468 kernel/time/timer.c:816
 ieee80211_ibss_setup_sdata+0x48/0x158 net/mac80211/ibss.c:1736
 ieee80211_setup_sdata+0x628/0xbb4 net/mac80211/iface.c:1623
 ieee80211_runtime_change_iftype net/mac80211/iface.c:1732 [inline]
 ieee80211_if_change_type+0x770/0xc68 net/mac80211/iface.c:1754
 ieee80211_change_iface+0x6c/0x3a0 net/mac80211/cfg.c:160
 rdev_change_virtual_intf net/wireless/rdev-ops.h:69 [inline]
 cfg80211_change_iface+0x778/0x143c net/wireless/util.c:1074
 nl80211_set_interface+0x404/0x710 net/wireless/nl80211.c:3958
 genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:775 [inline]
 genl_rcv_msg+0xc48/0x1044 net/netlink/genetlink.c:792
 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2489
 genl_rcv+0x38/0x50 net/netlink/genetlink.c:803
 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
 netlink_unicast+0x664/0x938 net/netlink/af_netlink.c:1337
 netlink_sendmsg+0x844/0xb38 net/netlink/af_netlink.c:1905
 sock_sendmsg_nosec net/socket.c:704 [inline]
 __sock_sendmsg net/socket.c:716 [inline]
 __sys_sendto+0x388/0x4d0 net/socket.c:2063
 __do_sys_sendto net/socket.c:2075 [inline]
 __se_sys_sendto net/socket.c:2071 [inline]
 __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
------------[ cut here ]------------
ODEBUG: init active (active state 0) object type: timer_list hint: 0x0
WARNING: CPU: 1 PID: 9842 at lib/debugobjects.c:521 debug_print_object lib/debugobjects.c:518 [inline]
WARNING: CPU: 1 PID: 9842 at lib/debugobjects.c:521 __debug_object_init+0x33c/0xbe8 lib/debugobjects.c:641
Modules linked in:
CPU: 1 PID: 9842 Comm: syz-executor634 Tainted: G        W         5.15.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : debug_print_object lib/debugobjects.c:518 [inline]
pc : __debug_object_init+0x33c/0xbe8 lib/debugobjects.c:641
lr : debug_print_object lib/debugobjects.c:518 [inline]
lr : __debug_object_init+0x33c/0xbe8 lib/debugobjects.c:641
sp : ffff80001fdc6c80
x29: ffff80001fdc6e30 x28: dfff800000000000 x27: ffff0000cc319678
x26: ffff0000cdba5a38 x25: 0000000000000000 x24: ffff800011cc3dc0
x23: ffff800012167d80 x22: 0000000000000000 x21: 0000000000000003
x20: ffff0000cdba5a38 x19: ffff80001baf6000 x18: 0000000000000001
x17: 0000000000000000 x16: ffff800011b54788 x15: 00000000ffffffff
x14: ffff0000d19c1b40 x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000000000 x10: 0000000000000000 x9 : ec58c97e19087200
x8 : ec58c97e19087200 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001fdc63f8 x4 : ffff800014c4fec0 x3 : ffff80000aa14f3c
x2 : ffff0001b4194d10 x1 : 0000000100000000 x0 : 0000000000000046
Call trace:
 debug_print_object lib/debugobjects.c:518 [inline]
 __debug_object_init+0x33c/0xbe8 lib/debugobjects.c:641
 debug_object_init+0x20/0x2c lib/debugobjects.c:657
 timer_fixup_init+0x4c/0x6c kernel/time/timer.c:642
 debug_object_fixup lib/debugobjects.c:534 [inline]
 __debug_object_init+0x388/0xbe8 lib/debugobjects.c:644
 debug_object_init+0x20/0x2c lib/debugobjects.c:657
 debug_timer_init kernel/time/timer.c:724 [inline]
 debug_init kernel/time/timer.c:772 [inline]
 init_timer_key+0x54/0x468 kernel/time/timer.c:816
 ieee80211_ibss_setup_sdata+0x48/0x158 net/mac80211/ibss.c:1736
 ieee80211_setup_sdata+0x628/0xbb4 net/mac80211/iface.c:1623
 ieee80211_runtime_change_iftype net/mac80211/iface.c:1732 [inline]
 ieee80211_if_change_type+0x770/0xc68 net/mac80211/iface.c:1754
 ieee80211_change_iface+0x6c/0x3a0 net/mac80211/cfg.c:160
 rdev_change_virtual_intf net/wireless/rdev-ops.h:69 [inline]
 cfg80211_change_iface+0x778/0x143c net/wireless/util.c:1074
 nl80211_set_interface+0x404/0x710 net/wireless/nl80211.c:3958
 genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:775 [inline]
 genl_rcv_msg+0xc48/0x1044 net/netlink/genetlink.c:792
 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2489
 genl_rcv+0x38/0x50 net/netlink/genetlink.c:803
 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
 netlink_unicast+0x664/0x938 net/netlink/af_netlink.c:1337
 netlink_sendmsg+0x844/0xb38 net/netlink/af_netlink.c:1905
 sock_sendmsg_nosec net/socket.c:704 [inline]
 __sock_sendmsg net/socket.c:716 [inline]
 __sys_sendto+0x388/0x4d0 net/socket.c:2063
 __do_sys_sendto net/socket.c:2075 [inline]
 __se_sys_sendto net/socket.c:2071 [inline]
 __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 1778
hardirqs last  enabled at (1777): [<ffff800011b52c44>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:81 [inline]
hardirqs last  enabled at (1777): [<ffff800011b52c44>] exit_to_kernel_mode+0x100/0x178 arch/arm64/kernel/entry-common.c:91
hardirqs last disabled at (1778): [<ffff8000083bc894>] timer_delete_sync+0x70/0x210 kernel/time/timer.c:1394
softirqs last  enabled at (1772): [<ffff8000081b90b8>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (1772): [<ffff8000081b90b8>] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586
softirqs last disabled at (1715): [<ffff8000081b9750>] __do_softirq kernel/softirq.c:592 [inline]
softirqs last disabled at (1715): [<ffff8000081b9750>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (1715): [<ffff8000081b9750>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (1715): [<ffff8000081b9750>] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641
---[ end trace ca02f3e2f1819a9b ]---
------------[ cut here ]------------
ODEBUG: init active (active state 0) object type: timer_list hint: 0x0
WARNING: CPU: 1 PID: 9842 at lib/debugobjects.c:521 debug_print_object lib/debugobjects.c:518 [inline]
WARNING: CPU: 1 PID: 9842 at lib/debugobjects.c:521 __debug_object_init+0x33c/0xbe8 lib/debugobjects.c:641
Modules linked in:
CPU: 1 PID: 9842 Comm: syz-executor634 Tainted: G        W         5.15.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : debug_print_object lib/debugobjects.c:518 [inline]
pc : __debug_object_init+0x33c/0xbe8 lib/debugobjects.c:641
lr : debug_print_object lib/debugobjects.c:518 [inline]
lr : __debug_object_init+0x33c/0xbe8 lib/debugobjects.c:641
sp : ffff80001fdc6a40
x29: ffff80001fdc6bf0 x28: dfff800000000000 x27: ffff0000cc319678
x26: ffff0000cdba5a38 x25: 0000000000000000 x24: ffff800011cc3dc0
x23: ffff800012167d80 x22: 0000000000000000 x21: 0000000000000003
x20: ffff0000cdba5a38 x19: ffff80001baf6000 x18: 0000000000000001
x17: 0000000000000000 x16: ffff800011b54788 x15: 00000000ffffffff
x14: ffff0000d19c1b40 x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000000000 x10: 0000000000000000 x9 : ec58c97e19087200
x8 : ec58c97e19087200 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001fdc61b8 x4 : ffff800014c4fec0 x3 : ffff80000aa14f3c
x2 : ffff0001b4194d10 x1 : 0000000100000000 x0 : 0000000000000046
Call trace:
 debug_print_object lib/debugobjects.c:518 [inline]
 __debug_object_init+0x33c/0xbe8 lib/debugobjects.c:641
 debug_object_init+0x20/0x2c lib/debugobjects.c:657
 timer_fixup_init+0x4c/0x6c kernel/time/timer.c:642
 debug_object_fixup lib/debugobjects.c:534 [inline]
 __debug_object_init+0x388/0xbe8 lib/debugobjects.c:644
 debug_object_init+0x20/0x2c lib/debugobjects.c:657
 timer_fixup_init+0x4c/0x6c kernel/time/timer.c:642
 debug_object_fixup lib/debugobjects.c:534 [inline]
 __debug_object_init+0x388/0xbe8 lib/debugobjects.c:644
 debug_object_init+0x20/0x2c lib/debugobjects.c:657
 debug_timer_init kernel/time/timer.c:724 [inline]
 debug_init kernel/time/timer.c:772 [inline]
 init_timer_key+0x54/0x468 kernel/time/timer.c:816
 ieee80211_ibss_setup_sdata+0x48/0x158 net/mac80211/ibss.c:1736
 ieee80211_setup_sdata+0x628/0xbb4 net/mac80211/iface.c:1623
 ieee80211_runtime_change_iftype net/mac80211/iface.c:1732 [inline]
 ieee80211_if_change_type+0x770/0xc68 net/mac80211/iface.c:1754
 ieee80211_change_iface+0x6c/0x3a0 net/mac80211/cfg.c:160
 rdev_change_virtual_intf net/wireless/rdev-ops.h:69 [inline]
 cfg80211_change_iface+0x778/0x143c net/wireless/util.c:1074
 nl80211_set_interface+0x404/0x710 net/wireless/nl80211.c:3958
 genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:775 [inline]
 genl_rcv_msg+0xc48/0x1044 net/netlink/genetlink.c:792
 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2489
 genl_rcv+0x38/0x50 net/netlink/genetlink.c:803
 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
 netlink_unicast+0x664/0x938 net/netlink/af_netlink.c:1337
 netlink_sendmsg+0x844/0xb38 net/netlink/af_netlink.c:1905
 sock_sendmsg_nosec net/socket.c:704 [inline]
 __sock_sendmsg net/socket.c:716 [inline]
 __sys_sendto+0x388/0x4d0 net/socket.c:2063
 __do_sys_sendto net/socket.c:2075 [inline]
 __se_sys_sendto net/socket.c:2071 [inline]
 __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 1778
hardirqs last  enabled at (1777): [<ffff800011b52c44>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:81 [inline]
hardirqs last  enabled at (1777): [<ffff800011b52c44>] exit_to_kernel_mode+0x100/0x178 arch/arm64/kernel/entry-common.c:91
hardirqs last disabled at (1778): [<ffff8000083bc894>] timer_delete_sync+0x70/0x210 kernel/time/timer.c:1394
softirqs last  enabled at (1772): [<ffff8000081b90b8>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (1772): [<ffff8000081b90b8>] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586
softirqs last disabled at (1715): [<ffff8000081b9750>] __do_softirq kernel/softirq.c:592 [inline]
softirqs last disabled at (1715): [<ffff8000081b9750>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (1715): [<ffff8000081b9750>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (1715): [<ffff8000081b9750>] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641
---[ end trace ca02f3e2f1819a9c ]---
------------[ cut here ]------------
ODEBUG: init active (active state 0) object type: timer_list hint: 0x0
WARNING: CPU: 1 PID: 9842 at lib/debugobjects.c:521 debug_print_object lib/debugobjects.c:518 [inline]
WARNING: CPU: 1 PID: 9842 at lib/debugobjects.c:521 __debug_object_init+0x33c/0xbe8 lib/debugobjects.c:641
Modules linked in:
CPU: 1 PID: 9842 Comm: syz-executor634 Tainted: G        W         5.15.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : debug_print_object lib/debugobjects.c:518 [inline]
pc : __debug_object_init+0x33c/0xbe8 lib/debugobjects.c:641
lr : debug_print_object lib/debugobjects.c:518 [inline]
lr : __debug_object_init+0x33c/0xbe8 lib/debugobjects.c:641
sp : ffff80001fdc6800
x29: ffff80001fdc69b0 x28: dfff800000000000 x27: ffff0000cc319678
x26: ffff0000cdba5a38 x25: 0000000000000000 x24: ffff800011cc3dc0
x23: ffff800012167d80 x22: 0000000000000000 x21: 0000000000000003
x20: ffff0000cdba5a38 x19: ffff80001baf6000 x18: 0000000000000001
x17: 0000000000000000 x16: ffff800011b54788 x15: 00000000ffffffff
x14: ffff0000d19c1b40 x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000000000 x10: 0000000000000000 x9 : ec58c97e19087200
x8 : ec58c97e19087200 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001fdc5f78 x4 : ffff800014c4fec0 x3 : ffff80000aa14f3c
x2 : ffff0001b4194d10 x1 : 0000000100000000 x0 : 0000000000000046
Call trace:
 debug_print_object lib/debugobjects.c:518 [inline]
 __debug_object_init+0x33c/0xbe8 lib/debugobjects.c:641
 debug_object_init+0x20/0x2c lib/debugobjects.c:657
 timer_fixup_init+0x4c/0x6c kernel/time/timer.c:642
 debug_object_fixup lib/debugobjects.c:534 [inline]
 __debug_object_init+0x388/0xbe8 lib/debugobjects.c:644
 debug_object_init+0x20/0x2c lib/debugobjects.c:657
 timer_fixup_init+0x4c/0x6c kernel/time/timer.c:642
 debug_object_fixup lib/debugobjects.c:534 [inline]
 __debug_object_init+0x388/0xbe8 lib/debugobjects.c:644
 debug_object_init+0x20/0x2c lib/debugobjects.c:657
 timer_fixup_init+0x4c/0x6c kernel/time/timer.c:642
 debug_object_fixup lib/debugobjects.c:534 [inline]
 __debug_object_init+0x388/0xbe8 lib/debugobjects.c:644
 debug_object_init+0x20/0x2c lib/debugobjects.c:657
 debug_timer_init kernel/time/timer.c:724 [inline]
 debug_init kernel/time/timer.c:772 [inline]
 init_timer_key+0x54/0x468 kernel/time/timer.c:816
 ieee80211_ibss_setup_sdata+0x48/0x158 net/mac80211/ibss.c:1736
 ieee80211_setup_sdata+0x628/0xbb4 net/mac80211/iface.c:1623
 ieee80211_runtime_change_iftype net/mac80211/iface.c:1732 [inline]
 ieee80211_if_change_type+0x770/0xc68 net/mac80211/iface.c:1754
 ieee80211_change_iface+0x6c/0x3a0 net/mac80211/cfg.c:160
 rdev_change_virtual_intf net/wireless/rdev-ops.h:69 [inline]
 cfg80211_change_iface+0x778/0x143c net/wireless/util.c:1074
 nl80211_set_interface+0x404/0x710 net/wireless/nl80211.c:3958
 genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:775 [inline]
 genl_rcv_msg+0xc48/0x1044 net/netlink/genetlink.c:792
 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2489
 genl_rcv+0x38/0x50 net/netlink/genetlink.c:803
 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
 netlink_unicast+0x664/0x938 net/netlink/af_netlink.c:1337
 netlink_sendmsg+0x844/0xb38 net/netlink/af_netlink.c:1905
 sock_sendmsg_nosec net/socket.c:704 [inline]
 __sock_sendmsg net/socket.c:716 [inline]
 __sys_sendto+0x388/0x4d0 net/socket.c:2063
 __do_sys_sendto net/socket.c:2075 [inline]
 __se_sys_sendto net/socket.c:2071 [inline]
 __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 1778
hardirqs last  enabled at (1777): [<ffff800011b52c44>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:81 [inline]
hardirqs last  enabled at (1777): [<ffff800011b52c44>] exit_to_kernel_mode+0x100/0x178 arch/arm64/kernel/entry-common.c:91
hardirqs last disabled at (1778): [<ffff8000083bc894>] timer_delete_sync+0x70/0x210 kernel/time/timer.c:1394
softirqs last  enabled at (1772): [<ffff8000081b90b8>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (1772): [<ffff8000081b90b8>] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586
softirqs last disabled at (1715): [<ffff8000081b9750>] __do_softirq kernel/softirq.c:592 [inline]
softirqs last disabled at (1715): [<ffff8000081b9750>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (1715): [<ffff8000081b9750>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (1715): [<ffff8000081b9750>] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641
---[ end trace ca02f3e2f1819a9d ]---
------------[ cut here ]------------
ODEBUG: init active (active state 0) object type: timer_list hint: 0x0
WARNING: CPU: 1 PID: 9842 at lib/debugobjects.c:521 debug_print_object lib/debugobjects.c:518 [inline]
WARNING: CPU: 1 PID: 9842 at lib/debugobjects.c:521 __debug_object_init+0x33c/0xbe8 lib/debugobjects.c:641
Modules linked in:
CPU: 1 PID: 9842 Comm: syz-executor634 Tainted: G        W         5.15.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : debug_print_object lib/debugobjects.c:518 [inline]
pc : __debug_object_init+0x33c/0xbe8 lib/debugobjects.c:641
lr : debug_print_object lib/debugobjects.c:518 [inline]
lr : __debug_object_init+0x33c/0xbe8 lib/debugobjects.c:641
sp : ffff80001fdc65c0
x29: ffff80001fdc6770 x28: dfff800000000000 x27: ffff0000cc319678
x26: ffff0000cdba5a38 x25: 0000000000000000 x24: ffff800011cc3dc0
x23: ffff800012167d80 x22: 0000000000000000 x21: 0000000000000003
x20: ffff0000cdba5a38 x19: ffff80001baf6000 x18: 0000000000000001
x17: 0000000000000000 x16: ffff800011b54788 x15: 00000000ffffffff
x14: ffff0000d19c1b40 x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000000000 x10: 0000000000000000 x9 : ec58c97e19087200
x8 : ec58c97e19087200 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001fdc5d38 x4 : ffff800014c4fec0 x3 : ffff80000aa14f3c
x2 : ffff0001b4194d10 x1 : 0000000100000000 x0 : 0000000000000046
Call trace:
 debug_print_object lib/debugobjects.c:518 [inline]
 __debug_object_init+0x33c/0xbe8 lib/debugobjects.c:641
 debug_object_init+0x20/0x2c lib/debugobjects.c:657
 timer_fixup_init+0x4c/0x6c kernel/time/timer.c:642
 debug_object_fixup lib/debugobjects.c:534 [inline]
 __debug_object_init+0x388/0xbe8 lib/debugobjects.c:644
 debug_object_init+0x20/0x2c lib/debugobjects.c:657
 timer_fixup_init+0x4c/0x6c kernel/time/timer.c:642
 debug_object_fixup lib/debugobjects.c:534 [inline]
 __debug_object_init+0x388/0xbe8 lib/debugobjects.c:644
 debug_object_init+0x20/0x2c lib/debugobjects.c:657
 timer_fixup_init+0x4c/0x6c kernel/time/timer.c:642
 debug_object_fixup lib/debugobjects.c:534 [inline]
 __debug_object_init+0x388/0xbe8 lib/debugobjects.c:644
 debug_object_init+0x20/0x2c lib/debugobjects.c:657
 timer_fixup_init+0x4c/0x6c kernel/time/timer.c:642
 debug_object_fixup lib/debugobjects.c:534 [inline]
 __debug_object_init+0x388/0xbe8 lib/debugobjects.c:644
 debug_object_init+0x20/0x2c lib/debugobjects.c:657
 debug_timer_init kernel/time/timer.c:724 [inline]
 debug_init kernel/time/timer.c:772 [inline]
 init_timer_key+0x54/0x468 kernel/time/timer.c:816
 ieee80211_ibss_setup_sdata+0x48/0x158 net/mac80211/ibss.c:1736
 ieee80211_setup_sdata+0x628/0xbb4 net/mac80211/iface.c:1623
 ieee80211_runtime_change_iftype net/mac80211/iface.c:1732 [inline]
 ieee80211_if_change_type+0x770/0xc68 net/mac80211/iface.c:1754
 ieee80211_change_iface+0x6c/0x3a0 net/mac80211/cfg.c:160
 rdev_change_virtual_intf net/wireless/rdev-ops.h:69 [inline]
 cfg80211_change_iface+0x778/0x143c net/wireless/util.c:1074
 nl80211_set_interface+0x404/0x710 net/wireless/nl80211.c:3958
 genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:775 [inline]
 genl_rcv_msg+0xc48/0x1044 net/netlink/genetlink.c:792
 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2489
 genl_rcv+0x38/0x50 net/netlink/genetlink.c:803
 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
 netlink_unicast+0x664/0x938 net/netlink/af_netlink.c:1337
 netlink_sendmsg+0x844/0xb38 net/netlink/af_netlink.c:1905
 sock_sendmsg_nosec net/socket.c:704 [inline]
 __sock_sendmsg net/socket.c:716 [inline]
 __sys_sendto+0x388/0x4d0 net/socket.c:2063
 __do_sys_sendto net/socket.c:2075 [inline]
 __se_sys_sendto net/socket.c:2071 [inline]
 __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2071
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 1778
hardirqs last  enabled at (1777): [<ffff800011b52c44>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:81 [inline]
hardirqs last  enabled at (1777): [<ffff800011b52c44>] exit_to_kernel_mode+0x100/0x178 arch/arm64/kernel/entry-common.c:91
hardirqs last disabled at (1778): [<ffff8000083bc894>] timer_delete_sync+0x70/0x210 kernel/time/timer.c:1394
softirqs last  enabled at (1772): [<ffff8000081b90b8>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (1772): [<ffff8000081b90b8>] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586
softirqs last disabled at (1715): [<ffff8000081b9750>] __do_softirq kernel/softirq.c:592 [inline]
softirqs last disabled at (1715): [<ffff8000081b9750>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (1715): [<ffff8000081b9750>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (1715): [<ffff8000081b9750>] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641
---[ end trace ca02f3e2f1819a9e ]---

Crashes (15):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/04/24 16:19 linux-5.15.y f7347f400572 9882047a .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in init_timer_key
2025/01/13 03:45 linux-5.15.y 4735586da88e 6dbc6a9b .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in init_timer_key
2025/01/12 23:47 linux-5.15.y 4735586da88e 6dbc6a9b .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in init_timer_key
2025/01/12 16:14 linux-5.15.y 4735586da88e 6dbc6a9b .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in init_timer_key
2025/01/12 14:15 linux-5.15.y 4735586da88e 6dbc6a9b .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in init_timer_key
2025/01/12 10:10 linux-5.15.y 4735586da88e 6dbc6a9b .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in init_timer_key
2025/01/12 06:04 linux-5.15.y 4735586da88e 6dbc6a9b .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in init_timer_key
2025/01/12 01:07 linux-5.15.y 4735586da88e 6dbc6a9b .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in init_timer_key
2025/01/11 23:03 linux-5.15.y 4735586da88e 6dbc6a9b .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in init_timer_key
2025/01/11 18:18 linux-5.15.y 4735586da88e 6dbc6a9b .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in init_timer_key
2025/01/12 18:04 linux-5.15.y 4735586da88e 6dbc6a9b .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in init_timer_key
2025/01/12 08:27 linux-5.15.y 4735586da88e 6dbc6a9b .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in init_timer_key
2025/04/18 01:37 linux-5.15.y f7347f400572 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in init_timer_key
2025/04/24 11:23 linux-5.15.y f7347f400572 9882047a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in init_timer_key
2025/01/11 14:10 linux-5.15.y 4735586da88e 6dbc6a9b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in init_timer_key
* Struck through repros no longer work on HEAD.