From 946d28f04cdf3f83a6b24313253d121912efa936 Mon Sep 17 00:00:00 2001 From: Aleksandr Nogikh Date: Thu, 5 Dec 2024 17:23:49 +0100 Subject: pkg/report: skip get_taint and put_device These frames are not very informative. See https://syzkaller.appspot.com/bug?extid=72d3b151aacf9fa74455 --- pkg/report/testdata/linux/report/733 | 71 ++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 pkg/report/testdata/linux/report/733 (limited to 'pkg/report/testdata/linux') diff --git a/pkg/report/testdata/linux/report/733 b/pkg/report/testdata/linux/report/733 new file mode 100644 index 000000000..b48bdf063 --- /dev/null +++ b/pkg/report/testdata/linux/report/733 @@ -0,0 +1,71 @@ +TITLE: WARNING: refcount bug in hdm_disconnect +TYPE: WARNING + +[ 82.955158][ T105] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 +[ 82.959646][ T105] usb 1-1: config 0 descriptor?? +[ 83.193871][ T46] usb 1-1: USB disconnect, device number 2 +[ 83.201074][ T46] ------------[ cut here ]------------ +[ 83.201634][ T46] WARNING: CPU: 1 PID: 46 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174 +[ 83.203093][ T46] refcount_t: underflow; use-after-free. +[ 83.203756][ T46] Modules linked in: +[ 83.204486][ T46] Kernel panic - not syncing: kernel: panic_on_warn set ... +[ 83.206124][ T46] CPU: 1 UID: 0 PID: 46 Comm: kworker/1:1 Not tainted 6.11.0-rc7-syzkaller #0 +[ 83.207057][ T46] Hardware name: ARM-Versatile Express +[ 83.207553][ T46] Workqueue: usb_hub_wq hub_event +[ 83.208164][ T46] Call trace: +[ 83.208633][ T46] [<8195d3d8>] (dump_backtrace) from [<8195d4d4>] (show_stack+0x18/0x1c) +[ 83.211105][ T46] r7:00000000 r6:826228c4 r5:00000000 r4:8200cac0 +[ 83.211630][ T46] [<8195d4bc>] (show_stack) from [<8197b1f4>] (dump_stack_lvl+0x54/0x7c) +[ 83.212173][ T46] [<8197b1a0>] (dump_stack_lvl) from [<8197b234>] (dump_stack+0x18/0x1c) +[ 83.212786][ T46] r5:00000000 r4:8286dd18 +[ 83.213215][ T46] [<8197b21c>] (dump_stack) from [<8195df7c>] (panic+0x120/0x368) +[ 83.213669][ T46] [<8195de5c>] (panic) from [<802421e4>] (get_taint+0x0/0x1c) +[ 83.214171][ T46] r3:8260c5c4 r2:00000001 r1:81ff52e4 r0:81ffd0bc +[ 83.214767][ T46] r7:80813f4c +[ 83.215124][ T46] [<80242170>] (check_panic_on_warn) from [<80242338>] (__warn+0x7c/0x180) +[ 83.215789][ T46] [<802422bc>] (__warn) from [<80242624>] (warn_slowpath_fmt+0x1e8/0x1f4) +[ 83.216423][ T46] r8:00000009 r7:8205adc0 r6:df91dc04 r5:8348a400 r4:00000000 +[ 83.216809][ T46] [<80242440>] (warn_slowpath_fmt) from [<80813f4c>] (refcount_warn_saturate+0x13c/0x174) +[ 83.218017][ T46] r10:827c8bd8 r9:848e4080 r8:00000044 r7:848e4430 r6:83ed47b4 r5:848e4400 +[ 83.219882][ T46] r4:83ed4000 +[ 83.220637][ T46] [<80813e10>] (refcount_warn_saturate) from [<819372e0>] (kobject_put+0x158/0x1f4) +[ 83.221074][ T46] [<81937188>] (kobject_put) from [<80a74a04>] (put_device+0x18/0x1c) +[ 83.222493][ T46] r7:848e4430 r6:83ed47b4 r5:848e4400 r4:83ed4000 +[ 83.222790][ T46] [<80a749ec>] (put_device) from [<81344bf8>] (hdm_disconnect+0x98/0x9c) +[ 83.223294][ T46] [<81344b60>] (hdm_disconnect) from [<80dbe638>] (usb_unbind_interface+0x84/0x2c4) +[ 83.224325][ T46] r7:848e4430 r6:827c8bd8 r5:00000000 r4:848e4400 +[ 83.224958][ T46] [<80dbe5b4>] (usb_unbind_interface) from [<80a7c8dc>] (device_remove+0x64/0x6c) +[ 83.225820][ T46] r10:00000000 r9:848e4080 r8:00000044 r7:848e4474 r6:827c8bd8 r5:00000000 +[ 83.226462][ T46] r4:848e4430 +[ 83.226745][ T46] [<80a7c878>] (device_remove) from [<80a7ddf4>] (device_release_driver_internal+0x18c/0x200) +[ 83.227972][ T46] r5:00000000 r4:848e4430 +[ 83.228409][ T46] [<80a7dc68>] (device_release_driver_internal) from [<80a7de80>] (device_release_driver+0x18/0x1c) +[ 83.230678][ T46] r9:848e4080 r8:82fbc140 r7:82fbc138 r6:82fbc10c r5:848e4430 r4:82fbc130 +[ 83.231588][ T46] [<80a7de68>] (device_release_driver) from [<80a7bf60>] (bus_remove_device+0xcc/0x120) +[ 83.232270][ T46] [<80a7be94>] (bus_remove_device) from [<80a76070>] (device_del+0x148/0x38c) +[ 83.232934][ T46] r9:848e4080 r8:8348a400 r7:04208060 r6:00000000 r5:848e4430 r4:848e4474 +[ 83.233764][ T46] [<80a75f28>] (device_del) from [<80dbc054>] (usb_disable_device+0xdc/0x1f0) +[ 83.235078][ T46] r10:00000000 r9:00000000 r8:848e4400 r7:848e4000 r6:84aae288 r5:00000001 +[ 83.235898][ T46] r4:00000038 +[ 83.236474][ T46] [<80dbbf78>] (usb_disable_device) from [<80db0eb8>] (usb_disconnect+0xec/0x29c) +[ 83.237453][ T46] r10:00000001 r9:83ff9600 r8:848e40c4 r7:83e03c00 r6:848e4080 r5:848e4000 +[ 83.238762][ T46] r4:60000013 +[ 83.239012][ T46] [<80db0dcc>] (usb_disconnect) from [<80db3b68>] (hub_event+0xe78/0x194c) +[ 83.240738][ T46] r10:00000001 r9:00000100 r8:839cc900 r7:848e4000 r6:83e03400 r5:83e03e10 +[ 83.241398][ T46] r4:00000001 +[ 83.241702][ T46] [<80db2cf0>] (hub_event) from [<80265f04>] (process_one_work+0x1b4/0x4f4) +[ 83.242227][ T46] r10:82ea8c05 r9:8348a400 r8:01800000 r7:ddde4000 r6:82ea8c00 r5:839cc900 +[ 83.242748][ T46] r4:82fbdb80 +[ 83.242934][ T46] [<80265d50>] (process_one_work) from [<80266ae8>] (worker_thread+0x1ec/0x3bc) +[ 83.243534][ T46] r10:8348a400 r9:82fbdbac r8:61c88647 r7:ddde4020 r6:82604d40 r5:ddde4000 +[ 83.244021][ T46] r4:82fbdb80 +[ 83.244223][ T46] [<802668fc>] (worker_thread) from [<8026fb04>] (kthread+0x104/0x134) +[ 83.244653][ T46] r10:00000000 r9:df87de78 r8:82fbfbc0 r7:82fbdb80 r6:802668fc r5:8348a400 +[ 83.244998][ T46] r4:82fbf940 +[ 83.245365][ T46] [<8026fa00>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) +[ 83.246008][ T46] Exception stack(0xdf91dfb0 to 0xdf91dff8) +[ 83.246587][ T46] dfa0: 00000000 00000000 00000000 00000000 +[ 83.247341][ T46] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 +[ 83.247922][ T46] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 +[ 83.248509][ T46] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026fa00 r4:82fbf940 +[ 83.251162][ T46] Rebooting in 86400 seconds.. \ No newline at end of file -- cgit mrf-deployment