Greeting, FYI, we noticed the following commit (built with gcc-9): commit: 0a361f5e6796503d574de4eb613ba730008fc439 ("sched: Make migrate_disable/enable() independent of RT") https://git.kernel.org/cgit/linux/kernel/git/tglx/devel.git highmem in testcase: trinity version: trinity-i386-4d2343bd-1_20200320 with following parameters: runtime: 300s test-description: Trinity is a linux system call fuzz tester. test-url: http://codemonkey.org.uk/projects/trinity/ on test machine: qemu-system-i386 -enable-kvm -cpu SandyBridge -smp 2 -m 8G caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): +-------------------------------------------------------+------------+------------+ | | 6608fec763 | 0a361f5e67 | +-------------------------------------------------------+------------+------------+ | boot_successes | 16 | 4 | | boot_failures | 0 | 6 | | BUG:assuming_atomic_context_at_include/linux/filter.h | 0 | 6 | +-------------------------------------------------------+------------+------------+ If you fix the issue, kindly add following tag Reported-by: kernel test robot <lkp(a)intel.com&gt; [ 36.404341] BUG: assuming atomic context at include/linux/filter.h:597 [ 36.406042] in_atomic(): 0, irqs_disabled(): 0, pid: 229, name: (journald) [ 36.407820] no locks held by (journald)/229. [ 36.409004] CPU: 0 PID: 229 Comm: (journald) Not tainted 5.10.0-rc1-00064-g0a361f5e6796 #1 [ 36.411102] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 36.413226] Call Trace: [ 36.414916] dump_stack+0x1b/0x1d [ 36.415945] __cant_sleep.cold+0x63/0x74 [ 36.417078] __seccomp_filter+0x64/0x400 [ 36.422800] ? find_held_lock+0x24/0x80 [ 36.423901] __secure_computing+0x30/0x80 [ 36.425027] syscall_trace_enter+0x52/0x1a0 [ 36.426236] syscall_enter_from_user_mode+0x97/0xc0 [ 36.427527] do_int80_syscall_32+0xe/0x40 [ 36.428629] entry_INT80_32+0x124/0x124 [ 36.429753] EIP: 0xb7f9ba02 [ 36.430608] Code: 95 01 00 05 25 36 02 00 83 ec 14 8d 80 e8 99 ff ff 50 6a 02 e8 1f ff 00 00 c7 04 24 7f 00 00 00 e8 7e 87 01 00 66 90 90 cd 80 <c3> 8d b6 00 00 00 00 8d bc 27 00 00 00 00 8b 1c 24 c3 8d b6 00 00 [ 36.435236] EAX: ffffffda EBX: 00000001 ECX: 00000000 EDX: 01724228 [ 36.436841] ESI: b7d3f3e7 EDI: b7f96440 EBP: b7d3fb79 ESP: bfa98288 [ 36.440340] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000246 Starting Create Static Device Nodes in /dev... Starting Load Kernel Modules... [ OK ] Mounted RPC Pipe File System. [ OK ] Started Remount Root and Kernel File Systems. Starting udev Coldplug all Devices... Starting Load/Save Random Seed... [ OK ] Started Create Static Device Nodes in /dev. [ OK ] Started Load Kernel Modules. Mounting Configuration File System... Starting Apply Kernel Variables... Mounting FUSE Control File System... Starting udev Kernel Device Manager... [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Preprocess NFS configuration... [ OK ] Mounted Configuration File System. [ OK ] Mounted FUSE Control File System. [ OK ] Started Load/Save Random Seed. [ OK ] Started Apply Kernel Variables. [ OK ] Started Preprocess NFS configuration. [ OK ] Started udev Kernel Device Manager. [ OK ] Reached target NFS client services. Starting Raise network interfaces... [ OK ] Started Raise network interfaces. [ OK ] Reached target Network. [ OK ] Reached target Network is Online. [ OK ] Started Journal Service. Starting Flush Journal to Persistent Storage... [ OK ] Started Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... Starting RPC bind portmap service... [ OK ] Started Update UTMP about System Boot/Shutdown. [ OK ] Started RPC bind portmap service. [ OK ] Reached target Remote File Systems (Pre). [ OK ] Reached target Remote File Systems. [ OK ] Reached target RPC Port Mapper. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Synchronized. [ 37.546472] BUG: assuming atomic context at include/linux/filter.h:597 [ 37.548206] in_atomic(): 0, irqs_disabled(): 0, pid: 229, name: systemd-journal [ 37.550022] no locks held by systemd-journal/229. [ 37.551335] CPU: 0 PID: 229 Comm: systemd-journal Tainted: G W 5.10.0-rc1-00064-g0a361f5e6796 #1 [ 37.553930] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 37.556094] Call Trace: [ 37.556881] dump_stack+0x1b/0x1d [ 37.557851] __cant_sleep.cold+0x63/0x74 [ 37.558981] __seccomp_filter+0x64/0x400 [ 37.560079] ? ep_scan_ready_list+0x21f/0x230 [ 37.561324] ? do_epoll_wait+0x234/0x580 [ 37.562458] __secure_computing+0x30/0x80 [ 37.563586] syscall_trace_enter+0x52/0x1a0 [ 37.564875] syscall_enter_from_user_mode+0x97/0xc0 [ 37.566190] do_int80_syscall_32+0xe/0x40 [ 37.567320] entry_INT80_32+0x124/0x124 [ 37.568403] EIP: 0xb7f2da02 [ 37.569281] Code: 95 01 00 05 25 36 02 00 83 ec 14 8d 80 e8 99 ff ff 50 6a 02 e8 1f ff 00 00 c7 04 24 7f 00 00 00 e8 7e 87 01 00 66 90 90 cd 80 <c3> 8d b6 00 00 00 00 8d bc 27 00 00 00 00 8b 1c 24 c3 8d b6 00 00 [ 37.573769] EAX: ffffffda EBX: 00000000 ECX: bfa24584 EDX: 00000007 [ 37.575400] ESI: bfa24584 EDI: b7cad000 EBP: bfa24788 ESP: bfa24544 [ 37.577024] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000292 [ 37.717687] _warn_unseeded_randomness: 412 callbacks suppressed [ 37.717699] random: get_random_u32 called from bucket_table_alloc+0x70/0x160 with crng_init=1 [ 37.727260] random: get_random_u32 called from allocate_slab+0x152/0x670 with crng_init=1 [ 37.846992] random: get_random_bytes called from flow_hash_from_keys+0x88/0x160 with crng_init=1 [ 38.546430] BUG: assuming atomic context at include/linux/filter.h:597 [ 38.548197] in_atomic(): 0, irqs_disabled(): 0, pid: 244, name: systemd-udevd [ 38.550022] no locks held by systemd-udevd/244. [ 38.551269] CPU: 0 PID: 244 Comm: systemd-udevd Tainted: G W 5.10.0-rc1-00064-g0a361f5e6796 #1 [ 38.553777] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.555970] Call Trace: [ 38.556733] dump_stack+0x1b/0x1d [ 38.557680] __cant_sleep.cold+0x63/0x74 [ 38.558700] __seccomp_filter+0x64/0x400 [ 38.559738] ? trace_hardirqs_on+0x1e/0xc0 [ 38.560737] __secure_computing+0x30/0x80 [ 38.561678] syscall_trace_enter+0x52/0x1a0 [ 38.562791] syscall_enter_from_user_mode+0x97/0xc0 [ 38.564027] do_int80_syscall_32+0xe/0x40 [ 38.565104] entry_INT80_32+0x124/0x124 [ 38.566140] EIP: 0xb7f13a02 [ 38.566991] Code: 95 01 00 05 25 36 02 00 83 ec 14 8d 80 e8 99 ff ff 50 6a 02 e8 1f ff 00 00 c7 04 24 7f 00 00 00 e8 7e 87 01 00 66 90 90 cd 80 <c3> 8d b6 00 00 00 00 8d bc 27 00 00 00 00 8b 1c 24 c3 8d b6 00 00 [ 38.571096] EAX: ffffffda EBX: 004fbbe0 ECX: bfc71300 EDX: 00000007 [ 38.572433] ESI: 000000f4 EDI: 006001e0 EBP: 00000007 ESP: bfc712b8 [ 38.573867] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000286 [ 39.279882] _warn_unseeded_randomness: 18 callbacks suppressed [ 39.279891] random: get_random_u32 called from bucket_table_alloc+0x70/0x160 with crng_init=1 [ 39.291604] random: get_random_u32 called from allocate_slab+0x152/0x670 with crng_init=1 [ 39.433500] random: get_random_u32 called from bucket_table_alloc+0x70/0x160 with crng_init=1 [ 39.546415] BUG: assuming atomic context at include/linux/filter.h:597 [ 39.548027] in_atomic(): 0, irqs_disabled(): 0, pid: 229, name: systemd-journal [ 39.549773] no locks held by systemd-journal/229. [ 39.550935] CPU: 0 PID: 229 Comm: systemd-journal Tainted: G W 5.10.0-rc1-00064-g0a361f5e6796 #1 [ 39.553283] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.554943] Call Trace: [ 39.555694] dump_stack+0x1b/0x1d [ 39.556545] __cant_sleep.cold+0x63/0x74 [ 39.557389] __seccomp_filter+0x64/0x400 [ 39.557943] ? ep_scan_ready_list+0x21f/0x230 [ 39.558586] ? do_epoll_wait+0x234/0x580 [ 39.559167] __secure_computing+0x30/0x80 [ 39.559745] syscall_trace_enter+0x52/0x1a0 [ 39.560406] syscall_enter_from_user_mode+0x97/0xc0 [ 39.561589] do_int80_syscall_32+0xe/0x40 [ 39.562617] entry_INT80_32+0x124/0x124 [ 39.563588] EIP: 0xb7f2da02 [ 39.564355] Code: 95 01 00 05 25 36 02 00 83 ec 14 8d 80 e8 99 ff ff 50 6a 02 e8 1f ff 00 00 c7 04 24 7f 00 00 00 e8 7e 87 01 00 66 90 90 cd 80 <c3> 8d b6 00 00 00 00 8d bc 27 00 00 00 00 8b 1c 24 c3 8d b6 00 00 [ 39.568444] EAX: ffffffda EBX: 00000000 ECX: bfa24584 EDX: 00000007 [ 39.569796] ESI: bfa24584 EDI: b7cad000 EBP: bfa24788 ESP: bfa24544 [ 39.571369] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000292 [ 40.285162] _warn_unseeded_randomness: 36 callbacks suppressed [ 40.285174] random: get_random_u32 called from allocate_slab+0x152/0x670 with crng_init=1 [ 40.332838] random: get_random_u32 called from arch_pick_mmap_layout+0x54/0x140 with crng_init=1 [ 40.332847] random: get_random_u32 called from randomize_stack_top+0x35/0x50 with crng_init=1 [ OK ] Started udev Coldplug all Devices. [ OK ] Reached target System Initialization. [ OK ] Started Daily apt download activities. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. Starting /etc/rc.local Compatibility... [ OK ] Started Regular background program processing daemon. [ 40.546431] BUG: assuming atomic context at include/linux/filter.h:597 [ 40.548133] in_atomic(): 0, irqs_disabled(): 0, pid: 244, name: systemd-udevd [ 40.549954] no locks held by systemd-udevd/244. [ 40.551244] CPU: 0 PID: 244 Comm: systemd-udevd Tainted: G W 5.10.0-rc1-00064-g0a361f5e6796 #1 [ 40.553769] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 40.555984] Call Trace: [ 40.556760] dump_stack+0x1b/0x1d [ 40.557720] __cant_sleep.cold+0x63/0x74 [ 40.558830] __seccomp_filter+0x64/0x400 [ 40.559931] ? trace_hardirqs_on+0x1e/0xc0 [ 40.561064] __secure_computing+0x30/0x80 [ 40.562170] syscall_trace_enter+0x52/0x1a0 [ 40.563503] syscall_enter_from_user_mode+0x97/0xc0 [ 40.564796] do_int80_syscall_32+0xe/0x40 [ 40.565909] entry_INT80_32+0x124/0x124 [ 40.566989] EIP: 0xb7f13a02 [ 40.567827] Code: 95 01 00 05 25 36 02 00 83 ec 14 8d 80 e8 99 ff ff 50 6a 02 e8 1f ff 00 00 c7 04 24 7f 00 00 00 e8 7e 87 01 00 66 90 90 cd 80 <c3> 8d b6 00 00 00 00 8d bc 27 00 00 00 00 8b 1c 24 c3 8d b6 00 00 [ 40.572364] EAX: ffffffda EBX: 004fbbe0 ECX: bfc71300 EDX: 00000007 [ 40.573966] ESI: 000000f4 EDI: 006001e0 EBP: 00000007 ESP: bfc712b8 [ 40.575575] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000286 Starting Login Service... [ OK ] Started Daily Cleanup of Temporary Directories. Starting OpenBSD Secure Shell server... Starting LKP bootstrap... Starting System Logging Service... Starting LSB: Execute the kexec -e command to reboot system... [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Reached target Timers. [ 40.536089] rc.local[342]: PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/lkp/lkp/src/bin Starting Permit User Sessions... Starting LSB: Start and stop bmc-watchdog... [ OK ] Started D-Bus System Message Bus. [ 40.626126] rc.local[342]: /lkp/lkp/src/bin/lkp-setup-rootfs: 78: /lkp/lkp/src/bin/lkp-setup-rootfs: cannot create /sys/devices/system/cpu/microcode/reload: Directory nonexistent [ OK ] Started System Logging Service. [ OK ] Started /etc/rc.local Compatibility. [ OK ] Started Permit User Sessions. [ OK ] Started LSB: Execute the kexec -e command to reboot system. [ OK ] Started LSB: Start and stop bmc-watchdog. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Started Login Service. Starting LSB: Load kernel image with kexec... [ OK ] Started Getty on tty1. [ OK ] Reached target Login Prompts. [ 41.294185] _warn_unseeded_randomness: 423 callbacks suppressed [ 41.294194] random: get_random_u32 called from arch_pick_mmap_layout+0x54/0x140 with crng_init=1 [ 41.294202] random: get_random_u32 called from randomize_stack_top+0x35/0x50 with crng_init=1 [ 41.294208] random: get_random_u32 called from arch_align_stack+0x2d/0x40 with crng_init=1 LKP: HOSTNAME vm-snb-i386-12, MAC 52:54:00:12:34:56, kernel 5.10.0-rc1-00064-g0a361f5e6796 1, serial console /dev/ttyS0 [ OK ] Started LSB: Load kernel image with kexec. [ 41.546865] BUG: assuming atomic context at include/linux/filter.h:597 [ 41.548607] in_atomic(): 0, irqs_disabled(): 0, pid: 229, name: systemd-journal [ 41.550570] no locks held by systemd-journal/229. [ 41.551838] CPU: 0 PID: 229 Comm: systemd-journal Tainted: G W 5.10.0-rc1-00064-g0a361f5e6796 #1 [ 41.554414] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.556569] Call Trace: [ 41.557329] dump_stack+0x1b/0x1d [ 41.558295] __cant_sleep.cold+0x63/0x74 [ 41.559368] __seccomp_filter+0x64/0x400 [ 41.560484] ? ep_scan_ready_list+0x21f/0x230 [ 41.561578] ? do_epoll_wait+0x234/0x580 [ 41.562688] __secure_computing+0x30/0x80 [ 41.563771] syscall_trace_enter+0x52/0x1a0 [ 41.565040] syscall_enter_from_user_mode+0x97/0xc0 [ 41.566338] do_int80_syscall_32+0xe/0x40 [ 41.567465] entry_INT80_32+0x124/0x124 [ 41.568523] EIP: 0xb7f2da02 [ 41.569390] Code: 95 01 00 05 25 36 02 00 83 ec 14 8d 80 e8 99 ff ff 50 6a 02 e8 1f ff 00 00 c7 04 24 7f 00 00 00 e8 7e 87 01 00 66 90 90 cd 80 <c3> 8d b6 00 00 00 00 8d bc 27 00 00 00 00 8b 1c 24 c3 8d b6 00 00 [ 41.573888] EAX: ffffffda EBX: 00000000 ECX: bfa24544 EDX: 00000007 [ 41.575521] ESI: bfa24544 EDI: b7cad000 EBP: bfa24788 ESP: bfa24504 [ 41.577099] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000296 [ 42.307001] _warn_unseeded_randomness: 119 callbacks suppressed [ 42.307009] random: get_random_u32 called from arch_pick_mmap_layout+0x54/0x140 with crng_init=1 [ 42.307017] random: get_random_u32 called from randomize_stack_top+0x35/0x50 with crng_init=1 [ 42.307021] random: get_random_u32 called from arch_align_stack+0x2d/0x40 with crng_init=1 [ 42.794410] BUG: assuming atomic context at include/linux/filter.h:597 [ 42.798996] in_atomic(): 0, irqs_disabled(): 0, pid: 229, name: systemd-journal [ 42.800476] no locks held by systemd-journal/229. [ 42.801485] CPU: 0 PID: 229 Comm: systemd-journal Tainted: G W 5.10.0-rc1-00064-g0a361f5e6796 #1 [ 42.806892] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.808637] Call Trace: [ 42.809236] dump_stack+0x1b/0x1d [ 42.809958] __cant_sleep.cold+0x63/0x74 [ 42.810823] __seccomp_filter+0x64/0x400 [ 42.811651] ? ep_scan_ready_list+0x21f/0x230 [ 42.812625] ? do_epoll_wait+0x234/0x580 [ 42.813600] __secure_computing+0x30/0x80 [ 42.814584] syscall_trace_enter+0x52/0x1a0 [ 42.815684] syscall_enter_from_user_mode+0x97/0xc0 [ 42.816808] do_int80_syscall_32+0xe/0x40 [ 42.817968] entry_INT80_32+0x124/0x124 [ 42.818925] EIP: 0xb7f2da02 [ 42.819678] Code: 95 01 00 05 25 36 02 00 83 ec 14 8d 80 e8 99 ff ff 50 6a 02 e8 1f ff 00 00 c7 04 24 7f 00 00 00 e8 7e 87 01 00 66 90 90 cd 80 <c3> 8d b6 00 00 00 00 8d bc 27 00 00 00 00 8b 1c 24 c3 8d b6 00 00 [ 42.823649] EAX: ffffffda EBX: 00000000 ECX: bfa24544 EDX: 00000007 [ 42.825072] ESI: bfa24544 EDI: b7cad000 EBP: bfa24788 ESP: bfa24504 [ 42.826479] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000296 [ 43.538963] _warn_unseeded_randomness: 158 callbacks suppressed [ 43.538972] random: get_random_u32 called from arch_pick_mmap_layout+0x54/0x140 with crng_init=1 [ 43.538982] random: get_random_u32 called from randomize_stack_top+0x35/0x50 with crng_init=1 [ 43.538987] random: get_random_u32 called from arch_align_stack+0x2d/0x40 with crng_init=1 [ 44.047140] BUG: assuming atomic context at include/linux/filter.h:597 [ 44.048976] in_atomic(): 0, irqs_disabled(): 0, pid: 229, name: systemd-journal [ 44.051061] no locks held by systemd-journal/229. [ 44.052422] CPU: 0 PID: 229 Comm: systemd-journal Tainted: G W 5.10.0-rc1-00064-g0a361f5e6796 #1 [ 44.055135] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.057480] Call Trace: [ 44.058304] dump_stack+0x1b/0x1d [ 44.059342] __cant_sleep.cold+0x63/0x74 [ 44.060485] __seccomp_filter+0x64/0x400 [ 44.061663] ? ep_scan_ready_list+0x21f/0x230 [ 44.062956] ? do_epoll_wait+0x234/0x580 [ 44.064194] __secure_computing+0x30/0x80 [ 44.065150] syscall_trace_enter+0x52/0x1a0 [ 44.066423] syscall_enter_from_user_mode+0x97/0xc0 [ 44.068070] do_int80_syscall_32+0xe/0x40 [ 44.069486] entry_INT80_32+0x124/0x124 [ 44.070869] EIP: 0xb7f2da02 [ 44.071914] Code: 95 01 00 05 25 36 02 00 83 ec 14 8d 80 e8 99 ff ff 50 6a 02 e8 1f ff 00 00 c7 04 24 7f 00 00 00 e8 7e 87 01 00 66 90 90 cd 80 <c3> 8d b6 00 00 00 00 8d bc 27 00 00 00 00 8b 1c 24 c3 8d b6 00 00 [ 44.077739] EAX: ffffffda EBX: 00000000 ECX: bfa24544 EDX: 00000007 [ 44.079796] ESI: bfa24544 EDI: b7cad000 EBP: bfa24788 ESP: bfa24504 [ 44.081872] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000296 [ 44.802249] _warn_unseeded_randomness: 345 callbacks suppressed [ 44.802257] random: get_random_u32 called from arch_pick_mmap_layout+0x54/0x140 with crng_init=1 [ 44.802266] random: get_random_u32 called from randomize_stack_top+0x35/0x50 with crng_init=1 [ 44.802270] random: get_random_u32 called from arch_align_stack+0x2d/0x40 with crng_init=1 [ 45.046697] BUG: assuming atomic context at include/linux/filter.h:597 [ 45.048324] in_atomic(): 0, irqs_disabled(): 0, pid: 229, name: systemd-journal [ 45.050262] no locks held by systemd-journal/229. [ 45.051568] CPU: 0 PID: 229 Comm: systemd-journal Tainted: G W 5.10.0-rc1-00064-g0a361f5e6796 #1 [ 45.054058] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.056202] Call Trace: [ 45.056986] dump_stack+0x1b/0x1d [ 45.057933] __cant_sleep.cold+0x63/0x74 [ 45.059084] __seccomp_filter+0x64/0x400 [ 45.060278] ? ep_scan_ready_list+0x21f/0x230 [ 45.061377] ? do_epoll_wait+0x234/0x580 [ 45.062396] __secure_computing+0x30/0x80 [ 45.063381] syscall_trace_enter+0x52/0x1a0 [ 45.064581] syscall_enter_from_user_mode+0x97/0xc0 [ 45.065918] do_int80_syscall_32+0xe/0x40 [ 45.067064] entry_INT80_32+0x124/0x124 [ 45.068122] EIP: 0xb7f2da02 [ 45.068964] Code: 95 01 00 05 25 36 02 00 83 ec 14 8d 80 e8 99 ff ff 50 6a 02 e8 1f ff 00 00 c7 04 24 7f 00 00 00 e8 7e 87 01 00 66 90 90 cd 80 <c3> 8d b6 00 00 00 00 8d bc 27 00 00 00 00 8b 1c 24 c3 8d b6 00 00 [ 45.073463] EAX: ffffffda EBX: 00000000 ECX: bfa24544 EDX: 00000007 [ 45.075075] ESI: bfa24544 EDI: b7cad000 EBP: bfa24788 ESP: bfa24504 [ 45.076635] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000296 [ 46.046427] BUG: assuming atomic context at include/linux/filter.h:597 [ 46.048170] in_atomic(): 0, irqs_disabled(): 0, pid: 229, name: systemd-journal [ 46.050121] no locks held by systemd-journal/229. [ 46.051404] CPU: 0 PID: 229 Comm: systemd-journal Tainted: G W 5.10.0-rc1-00064-g0a361f5e6796 #1 [ 46.053948] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.056119] Call Trace: [ 46.056905] dump_stack+0x1b/0x1d [ 46.057860] __cant_sleep.cold+0x63/0x74 [ 46.058985] __seccomp_filter+0x64/0x400 [ 46.060100] ? ep_scan_ready_list+0x21f/0x230 [ 46.061165] ? do_epoll_wait+0x234/0x580 [ 46.062264] __secure_computing+0x30/0x80 [ 46.063388] syscall_trace_enter+0x52/0x1a0 [ 46.064663] syscall_enter_from_user_mode+0x97/0xc0 [ 46.065959] do_int80_syscall_32+0xe/0x40 [ 46.067023] entry_INT80_32+0x124/0x124 [ 46.068090] EIP: 0xb7f2da02 [ 46.068922] Code: 95 01 00 05 25 36 02 00 83 ec 14 8d 80 e8 99 ff ff 50 6a 02 e8 1f ff 00 00 c7 04 24 7f 00 00 00 e8 7e 87 01 00 66 90 90 cd 80 <c3> 8d b6 00 00 00 00 8d bc 27 00 00 00 00 8b 1c 24 c3 8d b6 00 00 [ 46.073464] EAX: ffffffda EBX: 00000000 ECX: bfa24544 EDX: 00000007 [ 46.075068] ESI: bfa24544 EDI: b7cad000 EBP: bfa24788 ESP: bfa24504 [ 46.076510] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000296 [ 46.279189] _warn_unseeded_randomness: 116 callbacks suppressed [ 46.279198] random: get_random_u32 called from arch_pick_mmap_layout+0x54/0x140 with crng_init=1 [ 46.279206] random: get_random_u32 called from randomize_stack_top+0x35/0x50 with crng_init=1 [ 46.279210] random: get_random_u32 called from arch_align_stack+0x2d/0x40 with crng_init=1 [ 47.339307] _warn_unseeded_randomness: 30 callbacks suppressed [ 47.339316] random: get_random_u32 called from arch_pick_mmap_layout+0x54/0x140 with crng_init=1 [ 47.339324] random: get_random_u32 called from randomize_stack_top+0x35/0x50 with crng_init=1 [ 47.339328] random: get_random_u32 called from arch_align_stack+0x2d/0x40 with crng_init=1 [ 47.355423] BUG: assuming atomic context at include/linux/filter.h:597 [ 47.356977] in_atomic(): 0, irqs_disabled(): 0, pid: 229, name: systemd-journal [ 47.358606] no locks held by systemd-journal/229. [ 47.359712] CPU: 0 PID: 229 Comm: systemd-journal Tainted: G W 5.10.0-rc1-00064-g0a361f5e6796 #1 [ 47.361943] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.363835] Call Trace: [ 47.364489] dump_stack+0x1b/0x1d [ 47.365353] __cant_sleep.cold+0x63/0x74 [ 47.366313] __seccomp_filter+0x64/0x400 [ 47.367322] ? ep_scan_ready_list+0x21f/0x230 [ 47.368341] ? do_epoll_wait+0x234/0x580 [ 47.369419] __secure_computing+0x30/0x80 [ 47.370492] syscall_trace_enter+0x52/0x1a0 [ 47.371739] syscall_enter_from_user_mode+0x97/0xc0 [ 47.372978] do_int80_syscall_32+0xe/0x40 [ 47.374015] entry_INT80_32+0x124/0x124 [ 47.375004] EIP: 0xb7f2da02 [ 47.375822] Code: 95 01 00 05 25 36 02 00 83 ec 14 8d 80 e8 99 ff ff 50 6a 02 e8 1f ff 00 00 c7 04 24 7f 00 00 00 e8 7e 87 01 00 66 90 90 cd 80 <c3> 8d b6 00 00 00 00 8d bc 27 00 00 00 00 8b 1c 24 c3 8d b6 00 00 [ 47.380073] EAX: ffffffda EBX: 00000000 ECX: bfa24544 EDX: 00000007 [ 47.381630] ESI: bfa24544 EDI: b7cad000 EBP: bfa24788 ESP: bfa24504 [ 47.383198] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000296 [ 48.438911] _warn_unseeded_randomness: 16 callbacks suppressed [ 48.438917] random: get_random_u32 called from arch_pick_mmap_layout+0x54/0x140 with crng_init=1 [ 48.438922] random: get_random_u32 called from randomize_stack_top+0x35/0x50 with crng_init=1 [ 48.438925] random: get_random_u32 called from arch_align_stack+0x2d/0x40 with crng_init=1 [ 48.453937] BUG: assuming atomic context at include/linux/filter.h:597 [ 48.455310] in_atomic(): 0, irqs_disabled(): 0, pid: 229, name: systemd-journal [ 48.457091] no locks held by systemd-journal/229. [ 48.457956] CPU: 0 PID: 229 Comm: systemd-journal Tainted: G W 5.10.0-rc1-00064-g0a361f5e6796 #1 [ 48.459276] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.460861] Call Trace: [ 48.461561] dump_stack+0x1b/0x1d [ 48.462484] __cant_sleep.cold+0x63/0x74 [ 48.463466] __seccomp_filter+0x64/0x400 [ 48.464106] ? ep_scan_ready_list+0x21f/0x230 [ 48.464822] ? do_epoll_wait+0x234/0x580 [ 48.465817] __secure_computing+0x30/0x80 [ 48.466841] syscall_trace_enter+0x52/0x1a0 [ 48.467933] syscall_enter_from_user_mode+0x97/0xc0 [ 48.469086] do_int80_syscall_32+0xe/0x40 [ 48.470084] entry_INT80_32+0x124/0x124 [ 48.471015] EIP: 0xb7f2da02 [ 48.471785] Code: 95 01 00 05 25 36 02 00 83 ec 14 8d 80 e8 99 ff ff 50 6a 02 e8 1f ff 00 00 c7 04 24 7f 00 00 00 e8 7e 87 01 00 66 90 90 cd 80 <c3> 8d b6 00 00 00 00 8d bc 27 00 00 00 00 8b 1c 24 c3 8d b6 00 00 [ 48.475825] EAX: ffffffda EBX: 00000000 ECX: bfa24544 EDX: 00000007 [ 48.477228] ESI: bfa24544 EDI: b7cad000 EBP: bfa24788 ESP: bfa24504 [ 48.478660] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000296 [ 49.539128] _warn_unseeded_randomness: 16 callbacks suppressed [ 49.539136] random: get_random_u32 called from arch_pick_mmap_layout+0x54/0x140 with crng_init=1 [ 49.539144] random: get_random_u32 called from randomize_stack_top+0x35/0x50 with crng_init=1 [ 49.539148] random: get_random_u32 called from arch_align_stack+0x2d/0x40 with crng_init=1 [ 49.557564] BUG: assuming atomic context at include/linux/filter.h:597 [ 49.559079] in_atomic(): 0, irqs_disabled(): 0, pid: 229, name: systemd-journal [ 49.560787] no locks held by systemd-journal/229. [ 49.561907] CPU: 0 PID: 229 Comm: systemd-journal Tainted: G W 5.10.0-rc1-00064-g0a361f5e6796 #1 [ 49.564138] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.566069] Call Trace: [ 49.566796] dump_stack+0x1b/0x1d [ 49.567631] __cant_sleep.cold+0x63/0x74 [ 49.568596] __seccomp_filter+0x64/0x400 [ 49.569583] ? ep_scan_ready_list+0x21f/0x230 [ 49.570654] ? do_epoll_wait+0x234/0x580 [ 49.571620] __secure_computing+0x30/0x80 [ 49.573527] syscall_trace_enter+0x52/0x1a0 [ 49.574685] syscall_enter_from_user_mode+0x97/0xc0 [ 49.575840] do_int80_syscall_32+0xe/0x40 [ 49.576848] entry_INT80_32+0x124/0x124 [ 49.577788] EIP: 0xb7f2da02 [ 49.578564] Code: 95 01 00 05 25 36 02 00 83 ec 14 8d 80 e8 99 ff ff 50 6a 02 e8 1f ff 00 00 c7 04 24 7f 00 00 00 e8 7e 87 01 00 66 90 90 cd 80 <c3> 8d b6 00 00 00 00 8d bc 27 00 00 00 00 8b 1c 24 c3 8d b6 00 00 [ 49.582595] EAX: ffffffda EBX: 00000000 ECX: bfa24544 EDX: 00000007 [ 49.584019] ESI: bfa24544 EDI: b7cad000 EBP: bfa24788 ESP: bfa24504 [ 49.585445] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000296 [ 50.638945] _warn_unseeded_randomness: 16 callbacks suppressed [ 50.638951] random: get_random_u32 called from arch_pick_mmap_layout+0x54/0x140 with crng_init=1 [ 50.638956] random: get_random_u32 called from randomize_stack_top+0x35/0x50 with crng_init=1 [ 50.638959] random: get_random_u32 called from arch_align_stack+0x2d/0x40 with crng_init=1 [ 50.653357] BUG: assuming atomic context at include/linux/filter.h:597 [ 50.654920] in_atomic(): 0, irqs_disabled(): 0, pid: 229, name: systemd-journal [ 50.656623] no locks held by systemd-journal/229. [ 50.657788] CPU: 0 PID: 229 Comm: systemd-journal Tainted: G W 5.10.0-rc1-00064-g0a361f5e6796 #1 [ 50.659144] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.660770] Call Trace: [ 50.661485] dump_stack+0x1b/0x1d [ 50.662446] __cant_sleep.cold+0x63/0x74 [ 50.663489] __seccomp_filter+0x64/0x400 [ 50.664540] ? ep_scan_ready_list+0x21f/0x230 [ 50.665696] ? do_epoll_wait+0x234/0x580 [ 50.666775] __secure_computing+0x30/0x80 [ 50.667879] syscall_trace_enter+0x52/0x1a0 [ 50.669146] syscall_enter_from_user_mode+0x97/0xc0 [ 50.670430] do_int80_syscall_32+0xe/0x40 [ 50.671412] entry_INT80_32+0x124/0x124 [ 50.672290] EIP: 0xb7f2da02 [ 50.672936] Code: 95 01 00 05 25 36 02 00 83 ec 14 8d 80 e8 99 ff ff 50 6a 02 e8 1f ff 00 00 c7 04 24 7f 00 00 00 e8 7e 87 01 00 66 90 90 cd 80 <c3> 8d b6 00 00 00 00 8d bc 27 00 00 00 00 8b 1c 24 c3 8d b6 00 00 [ 50.676838] EAX: ffffffda EBX: 00000000 ECX: bfa24544 EDX: 00000007 [ 50.678261] ESI: bfa24544 EDI: b7cad000 EBP: bfa24788 ESP: bfa24504 [ 50.679741] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000296 [ 51.716937] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 51.724154] BUG: assuming atomic context at include/linux/filter.h:597 [ 51.725891] in_atomic(): 0, irqs_disabled(): 0, pid: 229, name: systemd-journal [ 51.727845] no locks held by systemd-journal/229. [ 51.729088] CPU: 0 PID: 229 Comm: systemd-journal Tainted: G W 5.10.0-rc1-00064-g0a361f5e6796 #1 [ 51.731626] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.733810] Call Trace: [ 51.734624] dump_stack+0x1b/0x1d [ 51.735512] __cant_sleep.cold+0x63/0x74 [ 51.736619] __seccomp_filter+0x64/0x400 [ 51.737720] ? ep_scan_ready_list+0x21f/0x230 [ 51.738938] ? do_epoll_wait+0x234/0x580 [ 51.740018] __secure_computing+0x30/0x80 [ 51.741073] syscall_trace_enter+0x52/0x1a0 [ 51.742410] syscall_enter_from_user_mode+0x97/0xc0 [ 51.743697] do_int80_syscall_32+0xe/0x40 [ 51.744840] entry_INT80_32+0x124/0x124 [ 51.745896] EIP: 0xb7f2da02 [ 51.746706] Code: 95 01 00 05 25 36 02 00 83 ec 14 8d 80 e8 99 ff ff 50 6a 02 e8 1f ff 00 00 c7 04 24 7f 00 00 00 e8 7e 87 01 00 66 90 90 cd 80 <c3> 8d b6 00 00 00 00 8d bc 27 00 00 00 00 8b 1c 24 c3 8d b6 00 00 [ 51.751280] EAX: ffffffda EBX: 00000000 ECX: bfa24544 EDX: 00000007 [ 51.752828] ESI: bfa24544 EDI: b7cad000 EBP: bfa24788 ESP: bfa24504 [ 51.754485] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000296 [ 51.781469] _warn_unseeded_randomness: 16 callbacks suppressed [ 51.781476] random: get_random_u32 called from arch_pick_mmap_layout+0x54/0x140 with crng_init=1 [ 51.781485] random: get_random_u32 called from randomize_stack_top+0x35/0x50 with crng_init=1 [ 51.781489] random: get_random_u32 called from arch_align_stack+0x2d/0x40 with crng_init=1 [ 51.807372] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 51.809857] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 51.830558] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 51.832954] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 51.847546] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 51.849998] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 51.875435] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 51.877761] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 51.890770] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 51.892964] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 51.906499] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 51.909225] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 51.930676] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 51.933078] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 51.952799] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 51.966824] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 51.969117] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.002522] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.004976] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.018668] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.021386] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.038432] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.040584] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.060357] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.074601] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.076815] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.086482] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.088755] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.106431] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.108798] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.126562] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.128862] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.142535] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.145101] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.162482] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.164845] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.183537] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.186139] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.202718] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.205404] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.222537] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.225485] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.242681] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.245163] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.262464] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.264808] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.282573] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.285033] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.298495] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.300866] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.318465] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.320768] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.334577] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.336888] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.354438] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.356752] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.370543] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.373022] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.390765] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.393300] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.410525] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.412879] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.430846] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.433491] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.450542] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.453104] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.466521] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.468865] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.486505] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.488996] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.506895] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.509243] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.526516] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.529014] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.542430] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 [ 52.544750] Lockdown: trinity-main: unsafe use of perf is restricted; see man kernel_lockdown.7 To reproduce: # build kernel cd linux cp config-5.10.0-rc1-00064-g0a361f5e6796 .config make HOSTCC=gcc-9 CC=gcc-9 ARCH=i386 olddefconfig prepare modules_prepare bzImage git clone https://github.com/intel/lkp-tests.git cd lkp-tests bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email Thanks, lkp