BUG: sleeping function called from invalid context in cancel_delayed_work_sync

Status: upstream: reported C repro on 2026/08/05 22:45
Subsystems: usb mmc
Labels: prio:high
[Documentation on labels]
Reported-by: syzbot+1ee4f3b9228e35f14677@syzkaller.appspotmail.com
Fix commit: mmc: vub300: Remove the driver for the obsolete HW
Patched on: [ci-upstream-linux-next-kasan-gce-root ci-upstream-rust-kasan-gce], missing on: [ci-qemu-gce-upstream-auto ci-qemu-native-arm64-kvm ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-qemu2-riscv64 ci-snapshot-upstream-root ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-arm64 ci-upstream-gce-leak ci-upstream-kasan-badwrites-root ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce-386-root ci-upstream-kmsan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-fs ci2-upstream-kcsan-gce ci2-upstream-usb]
First crash: 67d, last: now
▶ ▼ ✨ AI Patch Versions (1)
Version Stage Reported Report Link Job
1 moderation 2026/08/07 05:35 Discussion f105b557-f491-4cff-97a1-a15b027fdeec
▶ ▼ ✨ AI Jobs (3)
ID Workflow Result Correct Bug Created Started Finished Revision
373e526f assessment-security DenialOfService: ✅ Exploitable: ❌ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ✅ RemoteTrigger: ❌ Unprivileged: ❌ UserNamespace: ❌ VMGuestTrigger: ❌ VMHostTrigger: ❌ ❓ BUG: sleeping function called from invalid context in cancel_delayed_work_sync 2026/08/09 09:07 2026/08/09 09:07 2026/08/09 09:13 5d63f80b
f105b557 patching ❓ BUG: sleeping function called from invalid context in cancel_delayed_work_sync 2026/08/06 06:48 2026/08/07 04:19 2026/08/07 05:35 c38879ea
f50558c5 assessment-security 💥 BUG: sleeping function called from invalid context in cancel_delayed_work_sync 2026/08/05 00:03 2026/08/05 00:03 2026/08/05 00:03 d4abbeac
▶ ▼ Discussions (3)
Title Replies (including bot) Last reply
[syzbot] [usb?] BUG: sleeping function called from invalid context in cancel_delayed_work_sync 0 (3) 2026/09/20 14:49
[PATCH] mmc: vub300: fix sleeping function call from invalid context in vub300_inactivity_timer_expired 15 (15) 2026/09/14 12:28
[PATCH] mmc: vub300: never tear the host down from the inactivity timer 4 (4) 2026/09/09 10:09
▶ ▼ Similar bugs (22)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-15 KASAN: use-after-free Read in consume_skb 19 syz, C 73 446d 1116d 0/2 auto-obsoleted due to no activity on 2025/10/29 05:12
upstream KASAN: slab-use-after-free Read in consume_skb bpf net 19 syz, C error 6 1130d 1131d 0/29 closed as invalid on 2023/10/04 10:50
android-6-1 KASAN: use-after-free Read in consume_skb 19 syz, C error done 4 1068d 1127d 0/2 auto-obsoleted due to no activity on 2024/02/15 15:09
linux-5.15 KASAN: use-after-free Read in consume_skb origin:lts-only 19 syz, C done 6 493d 792d 0/3 auto-obsoleted due to no activity on 2025/09/13 01:43
upstream KASAN: use-after-free Read in consume_skb bpf net 19 syz, C done inconclusive 33 1547d 1826d 0/29 closed as invalid on 2022/10/12 18:37
upstream KMSAN: uninit-value in __alloc_skb (2) wireless 7 1 1765d 1765d 0/29 auto-closed as invalid on 2022/03/10 03:53
upstream general protection fault in __alloc_skb net 2 syz 1 617d 613d 0/29 auto-obsoleted due to no activity on 2025/05/11 20:00
upstream BUG: unable to handle kernel paging request in __alloc_skb net 8 1 1411d 1411d 22/29 fixed on 2023/06/08 14:41
android-54 KASAN: use-after-free Read in hrtimer_start_range_ns 19 1 1962d 1962d 0/2 auto-closed as invalid on 2021/09/24 07:30
upstream general protection fault in hrtimer_start_range_ns kernel 2 1 1865d 1860d 0/29 auto-closed as invalid on 2021/12/31 00:45
upstream KASAN: slab-use-after-free Read in skb_free_head bluetooth 19 2 832d 851d 0/29 auto-obsoleted due to no activity on 2024/09/28 21:39
linux-4.19 general protection fault in debug_check_no_obj_freed (2) 2 2 1733d 1837d 0/1 auto-closed as invalid on 2022/05/11 17:22
upstream general protection fault in debug_check_no_obj_freed (7) fs batman 2 3 1202d 1250d 0/29 auto-obsoleted due to no activity on 2023/09/24 06:05
upstream KASAN: slab-use-after-free Read in debug_check_no_obj_freed prio:high mm 19 1 174d 170d 0/29 auto-obsoleted due to no activity on 2026/07/18 21:14
upstream general protection fault in debug_check_no_obj_freed (8) mm 2 1 643d 639d 0/29 auto-obsoleted due to no activity on 2025/03/06 15:47
upstream general protection fault in debug_check_no_obj_freed (4) net 2 1 1994d 1989d 0/29 auto-closed as invalid on 2021/06/24 04:15
upstream general protection fault in debug_check_no_obj_freed (5) kvm-x86 2 4 1890d 1911d 0/29 auto-closed as invalid on 2021/11/05 02:52
upstream general protection fault in debug_check_no_obj_freed (6) tomoyo 2 2 1797d 1795d 0/29 auto-closed as invalid on 2022/02/06 02:57
linux-4.19 BUG: unable to handle kernel paging request in debug_check_no_obj_freed 8 1 2057d 2057d 0/1 auto-closed as invalid on 2021/06/21 12:27
upstream BUG: unable to handle kernel paging request in debug_check_no_obj_freed (3) ntfs3 8 1 1536d 1532d 0/29 auto-obsoleted due to no activity on 2022/10/25 02:48
upstream BUG: unable to handle kernel paging request in debug_check_no_obj_freed (2) kernel 8 1 2215d 2211d 0/29 auto-closed as invalid on 2020/12/15 21:08
upstream BUG: unable to handle kernel paging request in debug_check_no_obj_freed fs 8 1 3019d 3019d 0/29 closed as invalid on 2018/07/05 16:25
▶ ▼ Last patch testing requests (1)
Created Duration User Patch Repo Result
2026/08/16 11:27 23m jakovnovak30@gmail.com patch upstream OK job log log
▶ ▼ Cause bisection attempts (3)
Created Duration User Patch Repo Result
2026/09/02 03:14 0m bisect upstream error
2026/08/24 12:59 9h14m bisect upstream error job log
2026/08/16 23:00 0m bisect upstream error

Sample crash report:
BUG: sleeping function called from invalid context at kernel/workqueue.c:4561
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/1
preempt_count: 101, expected: 0
RCU nest depth: 0, expected: 0
locks held by swapper/1/0: 1, last CPU#1:
 #0: ffffc90000a18c98 ((&vub300->inactivity_timer)){+.-.}-{0:0}, at: call_timer_fn+0x11d/0x5f0 kernel/time/timer.c:1745
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 __might_resched.cold+0x1dc/0x222 kernel/sched/core.c:9264
 __cancel_work_sync kernel/workqueue.c:4561 [inline]
 cancel_delayed_work_sync+0xb8/0xf0 kernel/workqueue.c:4642
 mmc_free_host+0x19/0x40 drivers/mmc/core/host.c:700
 vub300_delete drivers/mmc/host/vub300.c:379 [inline]
 kref_put include/linux/kref.h:65 [inline]
 vub300_inactivity_timer_expired drivers/mmc/host/vub300.c:747 [inline]
 vub300_inactivity_timer_expired+0x42f/0x550 drivers/mmc/host/vub300.c:742
 call_timer_fn+0x198/0x5f0 kernel/time/timer.c:1748
 expire_timers kernel/time/timer.c:1799 [inline]
 __run_timers+0x757/0xb00 kernel/time/timer.c:2374
 __run_timer_base kernel/time/timer.c:2386 [inline]
 __run_timer_base kernel/time/timer.c:2378 [inline]
 run_timer_base+0x114/0x190 kernel/time/timer.c:2395
 run_timer_softirq+0x1a/0x50 kernel/time/timer.c:2405
 handle_softirqs+0x1e6/0x9d0 kernel/softirq.c:645
 __do_softirq kernel/softirq.c:679 [inline]
 invoke_softirq kernel/softirq.c:519 [inline]
 __irq_exit_rcu+0x16a/0x210 kernel/softirq.c:758
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:775
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
 sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1062
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:64
Code: d7 96 02 e9 53 50 03 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 53 78 17 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
RSP: 0018:ffffc900001a7e00 EFLAGS: 00000246
RAX: 000000000005e009 RBX: ffff888020684b00 RCX: ffffffff8bd44235
RDX: 0000000000000001 RSI: ffffffff8e3e2df4 RDI: ffffffff8c625080
RBP: ffffed10040d0960 R08: 0000000000000001 R09: ffffed10170667bd
R10: ffff8880b8333deb R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 1ffff92000034fc4 R15: dffffc0000000000
 arch_safe_halt arch/x86/include/asm/paravirt.h:62 [inline]
 default_idle+0x9/0x10 arch/x86/kernel/process.c:768
 default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122
 cpuidle_idle_call kernel/sched/idle.c:199 [inline]
 do_idle+0x3ae/0x5b0 kernel/sched/idle.c:355
 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:454
 start_secondary+0x21d/0x2d0 arch/x86/kernel/smpboot.c:312
 common_startup_64+0x13e/0x158
 </TASK>
ODEBUG: object ffffc90000a18a60 is NOT on stack ffffc900001a0000, but annotated.
------------[ cut here ]------------
1
WARNING: lib/debugobjects.c:672 at debug_object_is_on_stack lib/debugobjects.c:672 [inline], CPU#1: swapper/1/0
WARNING: lib/debugobjects.c:672 at lookup_object_or_alloc.part.0.cold+0x19/0x40 lib/debugobjects.c:705, CPU#1: swapper/1/0
Modules linked in:
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Tainted: G        W           syzkaller #0 PREEMPT(full) 
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
RIP: 0010:debug_object_is_on_stack lib/debugobjects.c:672 [inline]
RIP: 0010:lookup_object_or_alloc.part.0.cold+0x19/0x40 lib/debugobjects.c:705
Code: c4 60 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc 83 c5 01 89 2d 20 14 7e 1b 4c 89 e6 48 c7 c7 c0 5b 62 8c e8 a1 a9 eb ff 90 <0f> 0b 90 e9 a2 dc ff 03 83 c5 01 89 2d ff 13 7e 1b 49 39 c4 73 da
RSP: 0018:ffffc90000a188f0 EFLAGS: 00010082
RAX: 0000000000000050 RBX: ffff88802eeb59a0 RCX: 0000000000000000
RDX: 0000000000000050 RSI: ffffffff81ea38b9 RDI: fffff5200014310f
RBP: 0000000000000001 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000102 R11: 0000000000000001 R12: ffffc90000a18a60
R13: ffff888020684b00 R14: 0000000000000001 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff888122a47000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7329042ee0 CR3: 0000000073532000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 lookup_object_or_alloc lib/debugobjects.c:682 [inline]
 __debug_object_init+0x2a9/0x3d0 lib/debugobjects.c:798
 __synchronize_srcu+0x1c3/0x300 kernel/rcu/srcutree.c:1475
 wakeup_source_remove drivers/base/power/wakeup.c:201 [inline]
 wakeup_source_unregister.part.0+0x12c/0x540 drivers/base/power/wakeup.c:237
 wakeup_source_unregister+0x1f/0x30 drivers/base/power/wakeup.c:236
 mmc_host_classdev_release+0x42/0x120 drivers/mmc/core/host.c:69
 device_release+0xd2/0x270 drivers/base/core.c:2640
 kobject_cleanup lib/kobject.c:689 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x1f7/0x640 lib/kobject.c:737
 put_device+0x1f/0x30 drivers/base/core.c:3884
 vub300_delete drivers/mmc/host/vub300.c:379 [inline]
 kref_put include/linux/kref.h:65 [inline]
 vub300_inactivity_timer_expired drivers/mmc/host/vub300.c:747 [inline]
 vub300_inactivity_timer_expired+0x42f/0x550 drivers/mmc/host/vub300.c:742
 call_timer_fn+0x198/0x5f0 kernel/time/timer.c:1748
 expire_timers kernel/time/timer.c:1799 [inline]
 __run_timers+0x757/0xb00 kernel/time/timer.c:2374
 __run_timer_base kernel/time/timer.c:2386 [inline]
 __run_timer_base kernel/time/timer.c:2378 [inline]
 run_timer_base+0x114/0x190 kernel/time/timer.c:2395
 run_timer_softirq+0x1a/0x50 kernel/time/timer.c:2405
 handle_softirqs+0x1e6/0x9d0 kernel/softirq.c:645
 __do_softirq kernel/softirq.c:679 [inline]
 invoke_softirq kernel/softirq.c:519 [inline]
 __irq_exit_rcu+0x16a/0x210 kernel/softirq.c:758
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:775
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
 sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1062
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:64
Code: d7 96 02 e9 53 50 03 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 53 78 17 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
RSP: 0018:ffffc900001a7e00 EFLAGS: 00000246
RAX: 000000000005e009 RBX: ffff888020684b00 RCX: ffffffff8bd44235
RDX: 0000000000000001 RSI: ffffffff8e3e2df4 RDI: ffffffff8c625080
RBP: ffffed10040d0960 R08: 0000000000000001 R09: ffffed10170667bd
R10: ffff8880b8333deb R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 1ffff92000034fc4 R15: dffffc0000000000
 arch_safe_halt arch/x86/include/asm/paravirt.h:62 [inline]
 default_idle+0x9/0x10 arch/x86/kernel/process.c:768
 default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122
 cpuidle_idle_call kernel/sched/idle.c:199 [inline]
 do_idle+0x3ae/0x5b0 kernel/sched/idle.c:355
 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:454
 start_secondary+0x21d/0x2d0 arch/x86/kernel/smpboot.c:312
 common_startup_64+0x13e/0x158
 </TASK>
----------------
Code disassembly (best guess):
   0:	d7                   	xlat   %ds:(%rbx)
   1:	96                   	xchg   %eax,%esi
   2:	02 e9                	add    %cl,%ch
   4:	53                   	push   %rbx
   5:	50                   	push   %rax
   6:	03 00                	add    (%rax),%eax
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 53 78 17 00 	verw   0x177853(%rip)        # 0x17787b
  28:	fb                   	sti
  29:	f4                   	hlt
* 2a:	c3                   	ret <-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Crashes (51082):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/10/10 01:55 upstream af32da41b032 a8add9cd .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/08/17 23:58 upstream 8d3ae59288f1 1e72964b .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/08/16 18:07 upstream 3eb40771c00a 746171ee .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/08/16 09:58 upstream 3eb40771c00a 746171ee .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 16:09 upstream 3857c2fe5449 4f92358f .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 04:06 upstream 3857c2fe5449 4f92358f .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/09 05:43 upstream 6c377d19d4a5 b2734a59 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/09 00:02 upstream 0c2669a9f4a1 9d4697fa .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/08 22:37 upstream 0c2669a9f4a1 9d4697fa .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/08 16:17 upstream 0c2669a9f4a1 9d4697fa .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/07 18:07 upstream 602042bf29f6 6520ecdb .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/06 18:08 upstream 69f80fef3153 f7710056 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/04 23:52 upstream 6addb4f38557 57bbd979 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 20:28 upstream 3857c2fe5449 4f92358f .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 07:42 upstream 3857c2fe5449 4f92358f .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/09 23:31 upstream af32da41b032 549ef7e3 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/09 22:36 upstream af32da41b032 549ef7e3 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/09 12:47 upstream 6c377d19d4a5 b2734a59 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/08 19:55 upstream 0c2669a9f4a1 9d4697fa .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/05 10:50 upstream a90ee4305c4a 57bbd979 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/05 09:50 upstream a90ee4305c4a 57bbd979 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/04 11:03 upstream a74306e2e676 57bbd979 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 12:40 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 04:56 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 04:14 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 02:33 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/09 19:58 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/08 19:31 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 42bcac323cc3 b2734a59 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/08 16:28 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 42bcac323cc3 4f6a9fcf .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/08 15:01 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 42bcac323cc3 4f6a9fcf .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/07 14:06 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 42bcac323cc3 6520ecdb .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/07 05:13 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 42bcac323cc3 f7710056 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/07 03:38 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 42bcac323cc3 f7710056 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/07 03:29 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 42bcac323cc3 f7710056 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/07 01:29 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 42bcac323cc3 f7710056 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/06 03:32 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5926a7da8789 f7710056 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/05 18:21 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5926a7da8789 af63e995 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/05 16:43 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5926a7da8789 af63e995 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/05 15:07 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5926a7da8789 af63e995 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/04 20:50 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 639df5d23876 57bbd979 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/08/04 19:22 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5d5fd841c346 d4abbeac .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 21:40 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 71c3e5409eef 4f92358f .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 20:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 71c3e5409eef 4f92358f .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/05 23:21 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe98fb51bf62 1995e6c7 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/05 17:10 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe98fb51bf62 1995e6c7 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/05 13:48 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe98fb51bf62 1995e6c7 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/09/05 18:51 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5445d6419962 4f7b22a0 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in __alloc_skb
2026/10/08 01:55 upstream 7b63ef2d55f2 4f6a9fcf .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 16:54 upstream 3857c2fe5449 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 07:11 upstream 3857c2fe5449 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/03 23:04 upstream a74306e2e676 57bbd979 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/11 02:42 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/11 01:58 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/11 01:09 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/11 00:49 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/11 00:19 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 23:46 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 23:18 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 22:52 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 22:22 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 21:52 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 21:23 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 20:58 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 20:25 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 19:56 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 19:15 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 18:57 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 18:14 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 17:42 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 17:09 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 16:23 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 15:50 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 15:17 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 14:48 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 14:17 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 13:41 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 13:11 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 12:38 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 12:05 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 11:37 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 11:05 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 10:28 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 09:47 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 09:18 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 08:14 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 07:37 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 06:35 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 06:05 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 05:27 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 04:57 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 04:30 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/10/10 03:59 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 648b08aa37c1 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/09/24 12:09 linux-next 9d80aa4617b3 3c3cdf19 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/09/07 22:25 linux-next 9d80aa4617b3 680aa3e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root BUG: sleeping function called from invalid context in cancel_delayed_work_sync
2026/09/27 16:30 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci e8e60d3ddd25 a3c7249d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in debug_check_no_obj_freed
* Struck through repros no longer work on HEAD.