From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=209.85.167.200 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792579715; b=iE0/P5DUr9MfePOKB/yLTL3Lpo+o8cYaUVsK+0FYzVjprj3U+bs+Vepqelji/NuHMHet wGylplkXZMAwauSiwNxV/VlGAaDQPLfkoEI46UmhqGm8BaidATMZhNVF9s+UzdfN1RIe8 RUZmIHKKHTqVdsOaS+AZ37NapXAOxHXk1/5Kt4XGQtTqlCCjL5toBjQPtMU2vIkyMNc+m SU+4ihuHnKYYs3XUeesi7YS4ZgwlPdRuzRPr4EAGAyKdL1Sgb8x1dnO33JkZfJsw9vPCF g8/gWEiTvucajWWE5CobCcR6DZh4+TzOaS+wooIFFP6ztXnCq5t+GFwfcy73/zcUcCg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792579715; h=DMARC-Filter:Received:X-Google-DKIM-Signature:X-Forwarded-Encrypted: X-Gm-Message-State:MIME-Version:X-Received:Date: X-Google-Appengine-App-Id:X-Google-Appengine-App-Id-Alias:Message-ID: Subject:From:To:Content-Type; bh=lIsqmU5SUVko/uhMS35xh7s+l+LKIbMrUQfnpSqdza8=; b=lTq2hjtjNW/OKKkquzpUKmW5O9+wxRZNqaNmB3/IwwFVL7yvtqv+PPTRpVTSu5FlHHx5 gjn6bQ7AlA+UepMQkxyUlH4NloLU3O8ENpvpFO1LZPPQPuOVMRLkDvwPLY/FayPayWLqa MpR/9T8zfq4i8ObgoamWxYxfDpZSo8SQatgXCAmfHnNU1ULCC9ZhT+XPnS/s/X+SzPowp Mxnw4mcjXIf7EbnLKS5S9/2O9uCW+8Cb+l/MCir7OsY0Qb9lW+gfFaBpFYeOvYw0FCers U0HgNQ02MlYdrFrNNr6Qbmlucjm52IPWpvfDwgQCHcy7WLDIeZYM4/w/XMzDufe4MgQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=fail header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.remote-ip=209.85.167.200 Received: from mail-oi1-f200.google.com (mail-oi1-f200.google.com [209.85.167.200]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 727D5606A31A for ; Wed, 21 Oct 2026 10:48:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 727D5606A31A 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-oi1-f200.google.com with SMTP id 5614622812f47-4db3db8687fso729609b6e.0 for ; Wed, 21 Oct 2026 03:48:35 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1792579714; x=1793184514; 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=lIsqmU5SUVko/uhMS35xh7s+l+LKIbMrUQfnpSqdza8=; b=F0HYt+K+TfLLZpM1Zy3ovFlW0lr/lIL19a1sYAdsW+UpAKpLxCY8epz/xQEpBAq3qr 1nxhuwrVBTrQOP5+XToHFA510/6f4EbidlccSMBs+ocKC0LUngXvs3ibW5H2JJk5eacN jKsvvuNUeOkAFAqkKfQJdd7X9FtKlz5Fm5EU2EMjr9rKlNdeKmRPilPt/iHRcSokXqzw MRiFDsGmNhycUPDN2JLI2wcfaO4f6Eql/NntH1AEQ47HuOtRebFHZzmQ3Mx5WmVmHFEl ZYBE+UpMcR96ToEe3+sINy0mAlyanQ6v74ELLZjAaGiPDPHcx703htAtYZBlU/B6iOPS mTbg== X-Forwarded-Encrypted: i=1; AKwUvBwWos0/r2sIIOD4f/irZA0CUo6haj3eBcsh1qACrcodElPRvslxFYvEKAiI5TIihgXdreiu3tV2lS1xbXA=@vger.kernel.org X-Gm-Message-State: AFq9FYIaeclDOtrdqwqFRMLrDk3Kyh1+i03QPthDBOpgV+mGlotoWtOo SNnn/4q7NH+ux+mBjubnwvEDdFn/uxHzOwpDUsd2IRZ6ql0dVKrFJ0HmHFTT8Ir9R4wDORI76CB WpjrktI3eGC3aHVB4ztnAoN/skI4e7eEkeyKw6DRAkQfpFR5509oikQ7WIj4= X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 X-Received: by 2002:a05:6808:3086:b0:4e4:627a:e0a5 with SMTP id 5614622812f47-5535c846d28mr942301b6e.40.1792579714307; Wed, 21 Oct 2026 03:48:34 -0700 (PDT) Date: Wed, 21 Oct 2026 03:48:34 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6ad89882.5c73e770.1a06c9.0144.GAE@google.com> Subject: [syzbot] [pm?] BUG: scheduling while atomic in trace_suspend_resume 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: 4a8bdffce502 Merge tag 'x86_tdx_for_7.4-rc1' of git://git... git tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master console output: https://syzkaller.appspot.com/x/log.txt?x=17ff3b71580000 kernel config: https://syzkaller.appspot.com/x/.config?x=b53513c2c9c13c87 dashboard link: https://syzkaller.appspot.com/bug?extid=3ae5f6fdc78789d76c5d compiler: arm-linux-gnueabi-gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 userspace arch: arm Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/98a89b9f34e4/non_bootable_disk-4a8bdffc.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/864987094664/vmlinux-4a8bdffc.xz kernel image: https://storage.googleapis.com/syzbot-assets/11b0b41bd985/zImage-4a8bdffc.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+3ae5f6fdc78789d76c5d@syzkaller.appspotmail.com BUG: scheduling while atomic: swapper/0/0/0x00000102 Modules linked in: Preemption disabled at: [<81bb8634>] schedule_preempt_disabled+0x20/0x24 kernel/sched/core.c:7434 Kernel panic - not syncing: scheduling while atomic: panic_on_warn set ... CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT Hardware name: ARM-Versatile Express Call trace: [<80201a08>] (dump_backtrace) from [<80201afc>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:8321c4bc r6:00000000 r5:82328c7c r4:00000001 [<80201ae4>] (show_stack) from [<8021e858>] (__dump_stack lib/dump_stack.c:94 [inline]) [<80201ae4>] (show_stack) from [<8021e858>] (dump_stack_lvl+0x5c/0x70 lib/dump_stack.c:120) [<8021e7fc>] (dump_stack_lvl) from [<8021e884>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r7:8321c4bc r6:00000000 r5:83218380 r4:83483d7c [<8021e86c>] (dump_stack) from [<802026b8>] (vpanic+0x114/0x320 kernel/panic.c:651) [<802025a4>] (vpanic) from [<802028f8>] (trace_suspend_resume+0x0/0x100 kernel/panic.c:788) r7:830d7880 [<802028c4>] (panic) from [<80251b58>] (check_panic_on_warn kernel/panic.c:525 [inline]) [<802028c4>] (panic) from [<80251b58>] (get_taint+0x0/0x1c kernel/panic.c:520) r3:8320b188 r2:00000001 r1:82319200 r0:82316170 [<80251ae0>] (check_panic_on_warn) from [<8028fe80>] (__schedule_bug+0x80/0x94 kernel/sched/core.c:6090) [<8028fe00>] (__schedule_bug) from [<81bb7d60>] (schedule_debug kernel/sched/core.c:6119 [inline]) [<8028fe00>] (__schedule_bug) from [<81bb7d60>] (__schedule+0xd20/0x147c kernel/sched/core.c:7133) r5:83201b98 r4:00000000 [<81bb7040>] (__schedule) from [<81bb84e8>] (__schedule_loop kernel/sched/core.c:7361 [inline]) [<81bb7040>] (__schedule) from [<81bb84e8>] (schedule+0x2c/0xec kernel/sched/core.c:7376) r10:00000000 r9:7fffffff r8:83201b3c r7:00000002 r6:83218380 r5:83201b98 r4:83218380 [<81bb84bc>] (schedule) from [<81bbff50>] (schedule_timeout+0xcc/0x114 kernel/time/sleep_timeout.c:75) r5:83201b98 r4:7fffffff [<81bbfe84>] (schedule_timeout) from [<81bb909c>] (do_wait_for_common kernel/sched/completion.c:100 [inline]) [<81bbfe84>] (schedule_timeout) from [<81bb909c>] (__wait_for_common+0x90/0x1b8 kernel/sched/completion.c:121) r6:83201b94 r5:83201b98 r4:83218380 [<81bb900c>] (__wait_for_common) from [<81bb91e4>] (wait_for_common kernel/sched/completion.c:132 [inline]) [<81bb900c>] (__wait_for_common) from [<81bb91e4>] (wait_for_completion+0x20/0x24 kernel/sched/completion.c:153) r10:83201d34 r9:00002e00 r8:00000101 r7:00000000 r6:dddcff80 r5:83361770 r4:00000000 [<81bb91c4>] (wait_for_completion) from [<8030596c>] (__synchronize_srcu+0x9c/0xcc kernel/rcu/srcutree.c:1477) [<803058d0>] (__synchronize_srcu) from [<80305a38>] (synchronize_srcu_expedited kernel/rcu/srcutree.c:1502 [inline]) [<803058d0>] (__synchronize_srcu) from [<80305a38>] (synchronize_srcu+0x78/0x14c kernel/rcu/srcutree.c:1558) r5:60000113 r4:83361770 [<803059c0>] (synchronize_srcu) from [<80c27800>] (wakeup_source_remove drivers/base/power/wakeup.c:201 [inline]) [<803059c0>] (synchronize_srcu) from [<80c27800>] (wakeup_source_unregister.part.0+0x64/0x1b4 drivers/base/power/wakeup.c:237) r7:00000000 r6:86ddfc40 r5:00000113 r4:87aa3c00 [<80c2779c>] (wakeup_source_unregister.part.0) from [<80c27968>] (wakeup_source_unregister+0x18/0x1c drivers/base/power/wakeup.c:236) r7:00000000 r6:86ddfc40 r5:868dd000 r4:868dd008 [<80c27950>] (wakeup_source_unregister) from [<81331ba0>] (mmc_host_classdev_release+0x1c/0x58 drivers/mmc/core/host.c:69) [<81331b84>] (mmc_host_classdev_release) from [<80c03f40>] (device_release+0x40/0xb0 drivers/base/core.c:2640) r5:87abc000 r4:868dd008 [<80c03f00>] (device_release) from [<81b8b3b0>] (kobject_cleanup lib/kobject.c:689 [inline]) [<80c03f00>] (device_release) from [<81b8b3b0>] (kobject_release lib/kobject.c:720 [inline]) [<80c03f00>] (device_release) from [<81b8b3b0>] (kref_put include/linux/kref.h:65 [inline]) [<80c03f00>] (device_release) from [<81b8b3b0>] (kobject_put+0xa0/0x258 lib/kobject.c:737) r5:81d5e268 r4:868dd008 [<81b8b310>] (kobject_put) from [<80c040b4>] (put_device+0x18/0x1c drivers/base/core.c:3884) r8:00000101 r7:8135038c r6:868dd000 r5:00000000 r4:868dd000 [<80c0409c>] (put_device) from [<81332304>] (mmc_free_host+0x30/0x34 drivers/mmc/core/host.c:703) [<813322d4>] (mmc_free_host) from [<813504ec>] (vub300_delete drivers/mmc/host/vub300.c:379 [inline]) [<813322d4>] (mmc_free_host) from [<813504ec>] (kref_put include/linux/kref.h:65 [inline]) [<813322d4>] (mmc_free_host) from [<813504ec>] (vub300_inactivity_timer_expired drivers/mmc/host/vub300.c:747 [inline]) [<813322d4>] (mmc_free_host) from [<813504ec>] (vub300_inactivity_timer_expired+0x160/0x1b8 drivers/mmc/host/vub300.c:742) r5:00000000 r4:868ddaec [<8135038c>] (vub300_inactivity_timer_expired) from [<80331320>] (call_timer_fn+0x30/0x268 kernel/time/timer.c:1748) r7:8135038c r6:83218380 r5:868ddaec r4:868ddaec [<803312f0>] (call_timer_fn) from [<803317f4>] (expire_timers kernel/time/timer.c:1799 [inline]) [<803312f0>] (call_timer_fn) from [<803317f4>] (__run_timers+0x29c/0x420 kernel/time/timer.c:2374) r10:83201d34 r9:00002e00 r8:00000000 r7:8135038c r6:8320b194 r5:868ddaec r4:dddc7000 [<80331558>] (__run_timers) from [<803319e0>] (__run_timer_base kernel/time/timer.c:2386 [inline]) [<80331558>] (__run_timers) from [<803319e0>] (__run_timer_base kernel/time/timer.c:2378 [inline]) [<80331558>] (__run_timers) from [<803319e0>] (run_timer_base+0x68/0x78 kernel/time/timer.c:2395) r10:83218380 r9:00000082 r8:00000101 r7:00000004 r6:00000002 r5:00000001 r4:dddc7000 [<80331978>] (run_timer_base) from [<80331a0c>] (run_timer_softirq+0x1c/0x34 kernel/time/timer.c:2405) r4:83203084 [<803319f0>] (run_timer_softirq) from [<8025b2b4>] (handle_softirqs+0x160/0x4e8 kernel/softirq.c:645) [<8025b154>] (handle_softirqs) from [<8025b7d8>] (__do_softirq kernel/softirq.c:679 [inline]) [<8025b154>] (handle_softirqs) from [<8025b7d8>] (invoke_softirq kernel/softirq.c:519 [inline]) [<8025b154>] (handle_softirqs) from [<8025b7d8>] (__irq_exit_rcu+0x150/0x1d4 kernel/softirq.c:758) r10:824e697c r9:83218380 r8:00000000 r7:83201e88 r6:824e697c r5:82521180 r4:83218380 [<8025b688>] (__irq_exit_rcu) from [<8025bb20>] (irq_exit+0x10/0x18 kernel/softirq.c:787) r5:82521180 r4:830d70ec [<8025bb10>] (irq_exit) from [<81bb36bc>] (generic_handle_arch_irq+0x7c/0x80 kernel/irq/handle.c:293) [<81bb3640>] (generic_handle_arch_irq) from [<80200bdc>] (__irq_svc+0x7c/0xbc arch/arm/kernel/entry-armv.S:228) Exception stack(0x83201e88 to 0x83201ed0) 1e80: 00000000 82328c7c 0005eee4 00000001 83218380 00000000 1ea0: 00000000 830d62f0 00000000 8320b20c 824e697c 83201ef4 83201ec8 83201ed8 1ec0: 81bb4360 81bb4f30 20000013 ffffffff r9:83218380 r8:00000000 r7:83201ebc r6:ffffffff r5:20000013 r4:81bb4f30 [<81bb4ee4>] (default_idle_call) from [<802b8ae0>] (cpuidle_idle_call kernel/sched/idle.c:199 [inline]) [<81bb4ee4>] (default_idle_call) from [<802b8ae0>] (do_idle+0x240/0x3c0 kernel/sched/idle.c:355) r7:830d62f0 r6:00000000 r5:8320b1e8 r4:83218380 [<802b88a0>] (do_idle) from [<802b8f70>] (cpu_startup_entry+0x30/0x34 kernel/sched/idle.c:454) r10:83217db4 r9:8245fad4 r8:00000000 r7:dddf03ec r6:8320b140 r5:8321eec0 r4:000000e5 [<802b8f40>] (cpu_startup_entry) from [<81bb52bc>] (rest_init+0x110/0x114 init/main.c:732) [<81bb51ac>] (rest_init) from [<8300148c>] (start_kernel+0x864/0x880 init/main.c:1190) [<83000c28>] (start_kernel) from [<00000000>] (0x0) Rebooting in 86400 seconds.. --- This report is generated by a bot. 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