From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo2-f11.google.com (mail-oo2-f11.google.com [74.125.231.139]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 714E542E413 for ; Mon, 7 Sep 2026 14:32:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.231.139 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788791561; cv=none; b=o7VV4LajniY7RWtOtZd+pbyRbMzythINTSIL8NdHC1bsuSie5k3YJMmCjeUw0UIYc5m+5rP4cLcoTbw/8lCJ0icybJgDU29Llzn+rzBj7i0hOcYWl33dfO1djUZF5Zac1Z7TGKpM2DSRKedPKyCXhRJLRSCiQMUkjnJwzb4E/JY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788791561; c=relaxed/simple; bh=fBmJkFrjdbqQa9wtHbLrYELqEWWCgzQze+ARyBh4rsk=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=K9bGffgYHO7bETTmvyfar542SODioefV9b/+/q3Q21a8G4DuWeLFx64ZbsFY7j2Bqp1B28rRYUuq8BuDpMjvh8l65XbY3dnl7o92nyNk9kAxkWAYgTnAw7CImsTmDa4PFz7JzzsUAJ45pR+dHECW365cznLizGHe1YsV3kS8LWE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=74.125.231.139 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-oo2-f11.google.com with SMTP id 006d021491bc7-6aaf6076546so1886634eaf.1 for ; Mon, 07 Sep 2026 07:32:37 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1788791555; x=1789396355; h=content-type:to:from:subject:message-id:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=A8kkssp/3l33VQHdWcbtgleD7SI3txr/4Uxqa9iwhW4=; b=iTLMIRyqCfaEZO0TeDmpitEInt/Fw1XN35EBauh5SEkbPPtW8KebHZKyQvNSjlKhPQ +liXPOBhkkuZbcMPnA5iRlSmBi9FarWNtAsx+M8LylYPqSchzvK7AsbyJe2aOulXPBhz OJMwTde/bLAO6TTklVMEh9KW11LwuatXUj9NWJkdFr4uXrJsi2Zpa1HYJ0zWQWKS8FrE rLtXd9uPm87QcUQcD+4xvecn7KxO3rMS6eTACDb0RTIqaOO/njyfJw3H+SEwsGHT13pH I+K693RZKwWTMBvhB2L/KaZA3qkYnCYuPTjysm793modPf7peZroHIFvFKr60amuGlfa pu0w== X-Forwarded-Encrypted: i=1; AKwUvBydHZYqbQxqZQ2UE/bRTyV4Ipu7XGQNKcOgRQwDEvngARq4YhOp3pcyIQ0ZI9Ez+C8fSFCSzvD9GAJs7rk=@vger.kernel.org X-Gm-Message-State: AFuF++kFRItKpUIxB8BE17Y/zbMUykA6qYROTT399sNT0u/4VPrpTHvJ NC4WEeq/Nshskr2GqTC1M9vqpj46ZouNqnluSVjk3ppg89LIPGZ5zbem+KEhqwEI347dgAsLxjI e3AqO3PcJdYVKkszXQi2iZXgIu+20Mi7bSSHBxHHc+0DpxZLtObXOnZ1hUsM= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a4a:e904:0:b0:6b7:83c5:fdf0 with SMTP id 006d021491bc7-6b783c603b3mr12556035eaf.49.1788791555747; Mon, 07 Sep 2026 07:32:35 -0700 (PDT) Date: Mon, 07 Sep 2026 07:32:35 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a9ecb03.2bb5a69c.24b23c.0003.GAE@google.com> Subject: [syzbot] [pm?] WARNING: suspicious RCU usage in wakeup_source_unregister From: syzbot To: dakr@kernel.org, driver-core@lists.linux.dev, gregkh@linuxfoundation.org, lenb@kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, pavel@kernel.org, rafael@kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 841e384b841a Merge tag 's390-7.3-2' of git://git.kernel.or.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11d94b9e580000 kernel config: https://syzkaller.appspot.com/x/.config?x=5e4e3a0e188a497e dashboard link: https://syzkaller.appspot.com/bug?extid=2d935ddaec3db1ab6f26 compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/c871e5c1ff29/disk-841e384b.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/056a12208699/vmlinux-841e384b.xz kernel image: https://storage.googleapis.com/syzbot-assets/09b9c08fc219/bzImage-841e384b.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+2d935ddaec3db1ab6f26@syzkaller.appspotmail.com RBP: 00007fdafa94fdec R08: 0000000000000000 R09: 0000000000000001 R10: 000055558fe747d0 R11: 0000000000000246 R12: 0000000000000001 R13: 00000000000927c0 R14: 0000000000076876 R15: 00007fdafa94fe40 ============================= WARNING: suspicious RCU usage syzkaller #0 Tainted: G W L ----------------------------- kernel/rcu/srcutree.c:1468 Illegal synchronize_srcu() in same-type SRCU (or in RCU) read-side critical section! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 locks held by syz-executor/5675: 5, last CPU#0: #0: ffffffff8ee35c10 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm kernel/fork.c:1542 [inline] #0: ffffffff8ee35c10 (dup_mmap_sem){.+.+}-{0:0}, at: copy_mm+0x10f/0x480 kernel/fork.c:1595 #1: ffff88807ed2c378 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:562 [inline] #1: ffff88807ed2c378 (&mm->mmap_lock){++++}-{4:4}, at: dup_mmap+0x195/0x1dc0 mm/mmap.c:1716 #2: ffff888025d09078 (&mm->mmap_lock/1){+.+.}-{4:4}, at: mmap_write_lock_nested include/linux/mmap_lock.h:552 [inline] #2: ffff888025d09078 (&mm->mmap_lock/1){+.+.}-{4:4}, at: dup_mmap+0x221/0x1dc0 mm/mmap.c:1723 #3: ffffffff8ed5c6e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #3: ffffffff8ed5c6e0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #3: ffffffff8ed5c6e0 (rcu_read_lock){....}-{1:3}, at: __pte_offset_map+0x29/0x240 mm/pgtable-generic.c:290 #4: ffffc90000007cc0 ((&vub300->inactivity_timer)){+.-.}-{0:0}, at: call_timer_fn+0xd5/0x5f0 kernel/time/timer.c:1745 stack backtrace: CPU: 0 UID: 0 PID: 5675 Comm: syz-executor Tainted: G W L syzkaller #0 PREEMPT(full) Tainted: [W]=WARN, [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 lockdep_rcu_suspicious+0x140/0x1d0 kernel/locking/lockdep.c:6938 __synchronize_srcu+0x157/0x2f0 kernel/rcu/srcutree.c:1464 wakeup_source_remove drivers/base/power/wakeup.c:201 [inline] wakeup_source_unregister+0x129/0x3f0 drivers/base/power/wakeup.c:237 mmc_host_classdev_release+0x47/0x100 drivers/mmc/core/host.c:69 device_release+0xc4/0x1f0 drivers/base/core.c:-1 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x222/0x550 lib/kobject.c:737 call_timer_fn+0x18d/0x5f0 kernel/time/timer.c:1748 expire_timers kernel/time/timer.c:1799 [inline] __run_timers kernel/time/timer.c:2374 [inline] __run_timer_base+0x652/0x8b0 kernel/time/timer.c:2386 run_timer_base kernel/time/timer.c:2395 [inline] run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2405 handle_softirqs+0x226/0x860 kernel/softirq.c:645 __do_softirq kernel/softirq.c:679 [inline] invoke_softirq kernel/softirq.c:519 [inline] __irq_exit_rcu+0xcb/0x220 kernel/softirq.c:767 irq_exit_rcu+0x9/0x30 kernel/softirq.c:784 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:finish_task_switch+0x413/0xc60 kernel/sched/core.c:5371 Code: 04 00 00 41 c7 84 24 20 0e 00 00 00 00 00 00 0f 1f 44 00 00 49 83 c4 48 4c 89 e7 e8 f7 ed 50 0a e8 d2 00 3a 00 fb 4c 8b 65 c8 <49> 8d bc 24 10 17 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 RSP: 0018:ffffc90004327020 EFLAGS: 00000206 RAX: 00000000000f564d RBX: ffff8880b863c8e0 RCX: 8000000000000001 RDX: 0000000000000006 RSI: ffffffff8e4744cc RDI: ffffffff8c6d9480 RBP: ffffc90004327070 R08: ffffffff907a167f R09: 1ffffffff20f42cf R10: dffffc0000000000 R11: fffffbfff20f42d0 R12: ffff88803588ddc0 R13: ffff8880b863c8b8 R14: dffffc0000000000 R15: 1ffff110170c791c context_switch kernel/sched/core.c:5523 [inline] __schedule+0x17e3/0x58f0 kernel/sched/core.c:7270 preempt_schedule_common+0x7f/0xd0 kernel/sched/core.c:7449 preempt_schedule_thunk+0x16/0x40 arch/x86/entry/thunk.S:12 __raw_spin_unlock include/linux/spinlock_api_smp.h:201 [inline] _raw_spin_unlock+0x41/0x50 kernel/locking/spinlock.c:213 spin_unlock include/linux/spinlock.h:401 [inline] copy_pte_range mm/memory.c:1429 [inline] copy_pmd_range+0x5176/0x5c10 mm/memory.c:1490 copy_pud_range mm/memory.c:1527 [inline] copy_p4d_range mm/memory.c:1551 [inline] copy_page_range+0xc82/0x1290 mm/memory.c:1637 dup_mmap+0xf17/0x1dc0 mm/mmap.c:1819 dup_mm kernel/fork.c:1543 [inline] copy_mm+0x11a/0x480 kernel/fork.c:1595 copy_process+0x1e75/0x43e0 kernel/fork.c:2307 kernel_clone+0x2d7/0x940 kernel/fork.c:2766 __do_sys_clone kernel/fork.c:2908 [inline] __se_sys_clone kernel/fork.c:2892 [inline] __x64_sys_clone+0x1b6/0x230 kernel/fork.c:2892 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdafa5c6bd2 Code: 89 e7 e8 71 8b f7 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 89 c5 85 c0 75 3b 64 48 8b 04 25 10 00 00 RSP: 002b:00007fdafa94fc60 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007fdafa94fc60 RCX: 00007fdafa5c6bd2 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007fdafa94fdec R08: 0000000000000000 R09: 0000000000000001 R10: 000055558fe747d0 R11: 0000000000000246 R12: 0000000000000001 R13: 00000000000927c0 R14: 0000000000076876 R15: 00007fdafa94fe40 BUG: sleeping function called from invalid context at kernel/rcu/srcutree.c:1472 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5675, name: syz-executor preempt_count: 101, expected: 0 RCU nest depth: 1, expected: 0 locks held by syz-executor/5675: 5, last CPU#0: #0: ffffffff8ee35c10 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm kernel/fork.c:1542 [inline] #0: ffffffff8ee35c10 (dup_mmap_sem){.+.+}-{0:0}, at: copy_mm+0x10f/0x480 kernel/fork.c:1595 #1: ffff88807ed2c378 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:562 [inline] #1: ffff88807ed2c378 (&mm->mmap_lock){++++}-{4:4}, at: dup_mmap+0x195/0x1dc0 mm/mmap.c:1716 #2: ffff888025d09078 (&mm->mmap_lock/1){+.+.}-{4:4}, at: mmap_write_lock_nested include/linux/mmap_lock.h:552 [inline] #2: ffff888025d09078 (&mm->mmap_lock/1){+.+.}-{4:4}, at: dup_mmap+0x221/0x1dc0 mm/mmap.c:1723 #3: ffffffff8ed5c6e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #3: ffffffff8ed5c6e0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #3: ffffffff8ed5c6e0 (rcu_read_lock){....}-{1:3}, at: __pte_offset_map+0x29/0x240 mm/pgtable-generic.c:290 #4: ffffc90000007cc0 ((&vub300->inactivity_timer)){+.-.}-{0:0}, at: call_timer_fn+0xd5/0x5f0 kernel/time/timer.c:1745 Preemption disabled at: [] preempt_schedule_thunk+0x16/0x40 arch/x86/entry/thunk.S:12 CPU: 0 UID: 0 PID: 5675 Comm: syz-executor Tainted: G W L syzkaller #0 PREEMPT(full) Tainted: [W]=WARN, [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 __might_resched+0x36a/0x4c0 kernel/sched/core.c:9234 __synchronize_srcu+0x1a1/0x2f0 kernel/rcu/srcutree.c:1472 wakeup_source_remove drivers/base/power/wakeup.c:201 [inline] wakeup_source_unregister+0x129/0x3f0 drivers/base/power/wakeup.c:237 mmc_host_classdev_release+0x47/0x100 drivers/mmc/core/host.c:69 device_release+0xc4/0x1f0 drivers/base/core.c:-1 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x222/0x550 lib/kobject.c:737 call_timer_fn+0x18d/0x5f0 kernel/time/timer.c:1748 expire_timers kernel/time/timer.c:1799 [inline] __run_timers kernel/time/timer.c:2374 [inline] __run_timer_base+0x652/0x8b0 kernel/time/timer.c:2386 run_timer_base kernel/time/timer.c:2395 [inline] run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2405 handle_softirqs+0x226/0x860 kernel/softirq.c:645 __do_softirq kernel/softirq.c:679 [inline] invoke_softirq kernel/softirq.c:519 [inline] __irq_exit_rcu+0xcb/0x220 kernel/softirq.c:767 irq_exit_rcu+0x9/0x30 kernel/softirq.c:784 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:finish_task_switch+0x413/0xc60 kernel/sched/core.c:5371 Code: 04 00 00 41 c7 84 24 20 0e 00 00 00 00 00 00 0f 1f 44 00 00 49 83 c4 48 4c 89 e7 e8 f7 ed 50 0a e8 d2 00 3a 00 fb 4c 8b 65 c8 <49> 8d bc 24 10 17 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 RSP: 0018:ffffc90004327020 EFLAGS: 00000206 RAX: 00000000000f564d RBX: ffff8880b863c8e0 RCX: 8000000000000001 RDX: 0000000000000006 RSI: ffffffff8e4744cc RDI: ffffffff8c6d9480 RBP: ffffc90004327070 R08: ffffffff907a167f R09: 1ffffffff20f42cf R10: dffffc0000000000 R11: fffffbfff20f42d0 R12: ffff88803588ddc0 R13: ffff8880b863c8b8 R14: dffffc0000000000 R15: 1ffff110170c791c context_switch kernel/sched/core.c:5523 [inline] __schedule+0x17e3/0x58f0 kernel/sched/core.c:7270 preempt_schedule_common+0x7f/0xd0 kernel/sched/core.c:7449 preempt_schedule_thunk+0x16/0x40 arch/x86/entry/thunk.S:12 __raw_spin_unlock include/linux/spinlock_api_smp.h:201 [inline] _raw_spin_unlock+0x41/0x50 kernel/locking/spinlock.c:213 spin_unlock include/linux/spinlock.h:401 [inline] copy_pte_range mm/memory.c:1429 [inline] copy_pmd_range+0x5176/0x5c10 mm/memory.c:1490 copy_pud_range mm/memory.c:1527 [inline] copy_p4d_range mm/memory.c:1551 [inline] copy_page_range+0xc82/0x1290 mm/memory.c:1637 dup_mmap+0xf17/0x1dc0 mm/mmap.c:1819 dup_mm kernel/fork.c:1543 [inline] copy_mm+0x11a/0x480 kernel/fork.c:1595 copy_process+0x1e75/0x43e0 kernel/fork.c:2307 kernel_clone+0x2d7/0x940 kernel/fork.c:2766 __do_sys_clone kernel/fork.c:2908 [inline] __se_sys_clone kernel/fork.c:2892 [inline] __x64_sys_clone+0x1b6/0x230 kernel/fork.c:2892 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdafa5c6bd2 Code: 89 e7 e8 71 8b f7 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 89 c5 85 c0 75 3b 64 48 8b 04 25 10 00 00 RSP: 002b:00007fdafa94fc60 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007fdafa94fc60 RCX: 00007fdafa5c6bd2 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007fdafa94fdec R08: 0000000000000000 R09: 0000000000000001 R10: 000055558fe747d0 R11: 0000000000000246 R12: 0000000000000001 R13: 00000000000927c0 R14: 0000000000076876 R15: 00007fdafa94fe40 ODEBUG: object ffffc90000007a80 is NOT on stack ffffc90004320000, but annotated. ------------[ cut here ]------------ 1 WARNING: lib/debugobjects.c:672 at debug_object_is_on_stack lib/debugobjects.c:672 [inline], CPU#0: syz-executor/5675 WARNING: lib/debugobjects.c:672 at lookup_object_or_alloc lib/debugobjects.c:705 [inline], CPU#0: syz-executor/5675 WARNING: lib/debugobjects.c:672 at __debug_object_init+0x2c4/0x3c0 lib/debugobjects.c:798, CPU#0: syz-executor/5675 Modules linked in: CPU: 0 UID: 0 PID: 5675 Comm: syz-executor Tainted: G W L syzkaller #0 PREEMPT(full) Tainted: [W]=WARN, [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:debug_object_is_on_stack lib/debugobjects.c:672 [inline] RIP: 0010:lookup_object_or_alloc lib/debugobjects.c:705 [inline] RIP: 0010:__debug_object_init+0x2c4/0x3c0 lib/debugobjects.c:798 Code: cc cc cc 41 ff c7 44 89 3d c9 75 e8 15 48 c7 c1 80 9d 6d 8c 48 c7 c7 e0 9d 6d 8c 84 c0 48 0f 45 f9 48 89 de e8 4d fa 3d fc 90 <0f> 0b 90 e9 c0 fe ff ff e8 4f 1c 00 00 8b 05 a1 cd 6e 0a 3b 05 9f RSP: 0018:ffffc900000079b8 EFLAGS: 00010046 RAX: 0000000000000050 RBX: ffffc90000007a80 RCX: 0978036a12caea00 RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000 RBP: ffff88803588dde0 R08: 0000000000000100 R09: 0000000000080000 R10: 0000000000008000 R11: ffffffff8ec362b8 R12: 1ffff92000000f4c R13: ffff888021b995e8 R14: dffffc0000000000 R15: 0000000000000001 FS: 000055558fe74500(0000) GS:ffff888124cd9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdafb3556c8 CR3: 00000000640ca000 CR4: 00000000003526f0 Call Trace: __synchronize_srcu+0x1d5/0x2f0 kernel/rcu/srcutree.c:1475 wakeup_source_remove drivers/base/power/wakeup.c:201 [inline] wakeup_source_unregister+0x129/0x3f0 drivers/base/power/wakeup.c:237 mmc_host_classdev_release+0x47/0x100 drivers/mmc/core/host.c:69 device_release+0xc4/0x1f0 drivers/base/core.c:-1 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x222/0x550 lib/kobject.c:737 call_timer_fn+0x18d/0x5f0 kernel/time/timer.c:1748 expire_timers kernel/time/timer.c:1799 [inline] __run_timers kernel/time/timer.c:2374 [inline] __run_timer_base+0x652/0x8b0 kernel/time/timer.c:2386 run_timer_base kernel/time/timer.c:2395 [inline] run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2405 handle_softirqs+0x226/0x860 kernel/softirq.c:645 __do_softirq kernel/softirq.c:679 [inline] invoke_softirq kernel/softirq.c:519 [inline] __irq_exit_rcu+0xcb/0x220 kernel/softirq.c:767 irq_exit_rcu+0x9/0x30 kernel/softirq.c:784 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:finish_task_switch+0x413/0xc60 kernel/sched/core.c:5371 Code: 04 00 00 41 c7 84 24 20 0e 00 00 00 00 00 00 0f 1f 44 00 00 49 83 c4 48 4c 89 e7 e8 f7 ed 50 0a e8 d2 00 3a 00 fb 4c 8b 65 c8 <49> 8d bc 24 10 17 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 RSP: 0018:ffffc90004327020 EFLAGS: 00000206 RAX: 00000000000f564d RBX: ffff8880b863c8e0 RCX: 8000000000000001 RDX: 0000000000000006 RSI: ffffffff8e4744cc RDI: ffffffff8c6d9480 RBP: ffffc90004327070 R08: ffffffff907a167f R09: 1ffffffff20f42cf R10: dffffc0000000000 R11: fffffbfff20f42d0 R12: ffff88803588ddc0 R13: ffff8880b863c8b8 R14: dffffc0000000000 R15: 1ffff110170c791c context_switch kernel/sched/core.c:5523 [inline] __schedule+0x17e3/0x58f0 kernel/sched/core.c:7270 preempt_schedule_common+0x7f/0xd0 kernel/sched/core.c:7449 preempt_schedule_thunk+0x16/0x40 arch/x86/entry/thunk.S:12 __raw_spin_unlock include/linux/spinlock_api_smp.h:201 [inline] _raw_spin_unlock+0x41/0x50 kernel/locking/spinlock.c:213 spin_unlock include/linux/spinlock.h:401 [inline] copy_pte_range mm/memory.c:1429 [inline] copy_pmd_range+0x5176/0x5c10 mm/memory.c:1490 copy_pud_range mm/memory.c:1527 [inline] copy_p4d_range mm/memory.c:1551 [inline] copy_page_range+0xc82/0x1290 mm/memory.c:1637 dup_mmap+0xf17/0x1dc0 mm/mmap.c:1819 dup_mm kernel/fork.c:1543 [inline] copy_mm+0x11a/0x480 kernel/fork.c:1595 copy_process+0x1e75/0x43e0 kernel/fork.c:2307 kernel_clone+0x2d7/0x940 kernel/fork.c:2766 __do_sys_clone kernel/fork.c:2908 [inline] __se_sys_clone kernel/fork.c:2892 [inline] __x64_sys_clone+0x1b6/0x230 kernel/fork.c:2892 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdafa5c6bd2 Code: 89 e7 e8 71 8b f7 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 89 c5 85 c0 75 3b 64 48 8b 04 25 10 00 00 RSP: 002b:00007fdafa94fc60 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007fdafa94fc60 RCX: 00007fdafa5c6bd2 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007fdafa94fdec R08: 0000000000000000 R09: 0000000000000001 R10: 000055558fe747d0 R11: 0000000000000246 R12: 0000000000000001 R13: 00000000000927c0 R14: 0000000000076876 R15: 00007fdafa94fe40 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 00 00 add %al,(%rax) 2: 41 c7 84 24 20 0e 00 movl $0x0,0xe20(%r12) 9: 00 00 00 00 00 e: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 13: 49 83 c4 48 add $0x48,%r12 17: 4c 89 e7 mov %r12,%rdi 1a: e8 f7 ed 50 0a call 0xa50ee16 1f: e8 d2 00 3a 00 call 0x3a00f6 24: fb sti 25: 4c 8b 65 c8 mov -0x38(%rbp),%r12 * 29: 49 8d bc 24 10 17 00 lea 0x1710(%r12),%rdi <-- trapping instruction 30: 00 31: 48 89 f8 mov %rdi,%rax 34: 48 c1 e8 03 shr $0x3,%rax 38: 42 0f b6 04 30 movzbl (%rax,%r14,1),%eax 3d: 84 c0 test %al,%al --- This report is generated by a bot. 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