EXT4-fs warning (device sda): verify_group_input:146: Cannot add at group 32769 (only 16 groups) watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.5:21423] Modules linked in: irq event stamp: 5143061 hardirqs last enabled at (5143060): [] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (5143061): [] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1095 softirqs last enabled at (5079734): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (5079737): [] asm_call_irq_on_stack+0x12/0x20 CPU: 0 PID: 21423 Comm: syz-executor.5 Not tainted 5.10.166 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:mac80211_hwsim_tx_frame_no_nl.isra.0+0x734/0x13d0 drivers/net/wireless/mac80211_hwsim.c:1451 Code: 44 24 08 e8 ee 7e 7a fe 0f b6 44 24 08 84 c0 0f 85 ac 06 00 00 e8 cc 85 7a fe e8 c7 85 7a fe 48 89 d8 48 c1 e8 03 80 3c 28 00 <0f> 85 c1 09 00 00 48 8b 1b 48 81 fb 00 8f 3d 85 0f 84 f7 04 00 00 RSP: 0018:ffff88806ce09b90 EFLAGS: 00000246 RAX: 1ffff110039b4638 RBX: ffff88801cda31c0 RCX: ffffffff82c5b71f RDX: ffff888041854d40 RSI: ffffffff82c5b6a9 RDI: 0000000000000001 RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffffff8679972f R10: 0000000000000000 R11: 0000000000000001 R12: ffff88803fab7c80 R13: ffff8880461533f0 R14: ffff8880461531c0 R15: 0000000000000000 FS: 00007faa550b5700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc96109aa0 CR3: 0000000046b88000 CR4: 0000000000350ef0 Call Trace: mac80211_hwsim_tx_frame+0x152/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1716 mac80211_hwsim_beacon_tx+0x494/0x8f0 drivers/net/wireless/mac80211_hwsim.c:1770 __iterate_interfaces+0x1f0/0x530 net/mac80211/util.c:792 ieee80211_iterate_active_interfaces_atomic+0x72/0x180 net/mac80211/util.c:828 mac80211_hwsim_beacon+0xd1/0x1d0 drivers/net/wireless/mac80211_hwsim.c:1793 __run_hrtimer kernel/time/hrtimer.c:1583 [inline] __hrtimer_run_queues+0x5e8/0xb50 kernel/time/hrtimer.c:1647 hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1664 __do_softirq+0x1b8/0x86b kernel/softirq.c:298 asm_call_irq_on_stack+0x12/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x114/0x1b0 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1095 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:91 [inline] RIP: 0010:memory_is_nonzero mm/kasan/generic.c:108 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:134 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:165 [inline] RIP: 0010:check_memory_region_inline mm/kasan/generic.c:183 [inline] RIP: 0010:check_memory_region+0x198/0x1f0 mm/kasan/generic.c:192 Code: 7d 85 41 bb 01 00 00 00 5b 5d 44 89 d8 41 5c e9 9e 55 b4 02 48 85 d2 74 e9 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 db 80 38 00 <74> f2 e9 28 ff ff ff 48 29 c3 48 89 da 49 89 d3 49 c1 fb 3f 49 c1 RSP: 0018:ffff88804bc66da8 EFLAGS: 00000246 RAX: fffffbfff0ace481 RBX: fffffbfff0ace482 RCX: ffffffff812705bf RDX: fffffbfff0ace482 RSI: 0000000000000008 RDI: ffffffff85672408 RBP: fffffbfff0ace481 R08: 0000000000000000 R09: ffffffff8567240f R10: fffffbfff0ace481 R11: 1ffff1100978cdd2 R12: 0000000000000002 R13: 0000000000000000 R14: ffffffff84ff8a60 R15: 0000000000000000 instrument_atomic_read include/linux/instrumented.h:71 [inline] test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline] cpumask_test_cpu include/linux/cpumask.h:367 [inline] trace_lock_acquire include/trace/events/lock.h:13 [inline] lock_acquire+0xaf/0x490 kernel/locking/lockdep.c:5536 rcu_lock_acquire include/linux/rcupdate.h:258 [inline] rcu_read_lock include/linux/rcupdate.h:651 [inline] __is_insn_slot_addr+0x3f/0x260 kernel/kprobes.c:299 is_kprobe_optinsn_slot include/linux/kprobes.h:336 [inline] kernel_text_address kernel/extable.c:149 [inline] kernel_text_address+0xdf/0x120 kernel/extable.c:120 __kernel_text_address+0x9/0x40 kernel/extable.c:105 unwind_get_return_address arch/x86/kernel/unwind_orc.c:323 [inline] unwind_get_return_address+0x55/0xa0 arch/x86/kernel/unwind_orc.c:318 arch_stack_walk+0x99/0xf0 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:48 kasan_set_track mm/kasan/common.c:56 [inline] __kasan_kmalloc.constprop.0+0xc9/0xd0 mm/kasan/common.c:461 slab_post_alloc_hook mm/slab.h:532 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x13b/0x360 mm/slub.c:2909 mem_pool_alloc mm/kmemleak.c:423 [inline] create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:578 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slab.h:534 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x159/0x360 mm/slub.c:2909 ext4_es_alloc_extent fs/ext4/extents_status.c:458 [inline] __es_insert_extent+0x3a9/0x12f0 fs/ext4/extents_status.c:797 ext4_es_insert_extent+0x2dc/0xbb0 fs/ext4/extents_status.c:855 ext4_map_blocks+0x8e1/0x1970 fs/ext4/inode.c:714 mpage_map_one_extent fs/ext4/inode.c:2436 [inline] mpage_map_and_submit_extent fs/ext4/inode.c:2489 [inline] ext4_writepages+0x1ad8/0x3590 fs/ext4/inode.c:2857 do_writepages+0xee/0x2a0 mm/page-writeback.c:2352 __filemap_fdatawrite_range+0x24b/0x2f0 mm/filemap.c:422 filemap_write_and_wait_range mm/filemap.c:655 [inline] filemap_write_and_wait_range+0x65/0x100 mm/filemap.c:649 filemap_write_and_wait include/linux/fs.h:2666 [inline] swap_inode_boot_loader fs/ext4/ioctl.c:149 [inline] __ext4_ioctl+0x1578/0x41f0 fs/ext4/ioctl.c:1061 ext4_ioctl+0x46/0x90 fs/ext4/ioctl.c:1327 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl fs/ioctl.c:739 [inline] __x64_sys_ioctl+0x19a/0x210 fs/ioctl.c:739 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7faa57b60b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007faa550b5188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007faa57c74020 RCX: 00007faa57b60b19 RDX: 0000000000000000 RSI: 0000000000006611 RDI: 0000000000000003 RBP: 00007faa57bbaf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffee12708ff R14: 00007faa550b5300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.10.166 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:cpu_relax arch/x86/include/asm/vdso/processor.h:19 [inline] RIP: 0010:virt_spin_lock arch/x86/include/asm/qspinlock.h:100 [inline] RIP: 0010:queued_spin_lock_slowpath+0x122/0x8c0 kernel/locking/qspinlock.c:326 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 09 07 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 40 d8 f8 02 f3 90 73 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e1 00 00 RSP: 0018:ffff88806cf09a38 EFLAGS: 00000202 RAX: 0000000000000000 RBX: ffffffff87934f20 RCX: ffffffff81276747 RDX: fffffbfff0f269e5 RSI: 0000000000000004 RDI: ffffffff87934f20 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff87934f23 R10: fffffbfff0f269e4 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0f269e4 R14: 0000000000000001 R15: 1ffff1100d9e1348 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d623000 CR3: 000000000c726000 CR4: 0000000000350ee0 Call Trace: queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock+0x1dc/0x260 kernel/locking/spinlock_debug.c:113 spin_lock include/linux/spinlock.h:354 [inline] mac80211_hwsim_tx_frame_no_nl.isra.0+0x695/0x13d0 drivers/net/wireless/mac80211_hwsim.c:1450 mac80211_hwsim_tx_frame+0x152/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1716 mac80211_hwsim_beacon_tx+0x494/0x8f0 drivers/net/wireless/mac80211_hwsim.c:1770 __iterate_interfaces+0x1f0/0x530 net/mac80211/util.c:792 ieee80211_iterate_active_interfaces_atomic+0x72/0x180 net/mac80211/util.c:828 mac80211_hwsim_beacon+0xd1/0x1d0 drivers/net/wireless/mac80211_hwsim.c:1793 __run_hrtimer kernel/time/hrtimer.c:1583 [inline] __hrtimer_run_queues+0x5e8/0xb50 kernel/time/hrtimer.c:1647 hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1664 __do_softirq+0x1b8/0x86b kernel/softirq.c:298 asm_call_irq_on_stack+0x12/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x114/0x1b0 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1095 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:default_idle+0xe/0x20 arch/x86/kernel/process.c:707 Code: 88 fd e9 4b ff ff ff 4c 89 e7 e8 dd a7 88 fd eb 8f 66 66 2e 0f 1f 84 00 00 00 00 00 e9 07 00 00 00 0f 00 2d a4 fc 5e 00 fb f4 5d fb 3c 00 cc cc cc cc cc cc cc cc cc cc cc cc cc 41 55 41 54 RSP: 0018:ffff88800857fe78 EFLAGS: 00000202 RAX: ffffffff83e34490 RBX: ffff888008570000 RCX: ffffffff83e1bddc RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff83e34853 RBP: ffffed10010ae000 R08: 0000000000000001 R09: ffff88806cf3c12b R10: ffffed100d9e7825 R11: 0000000000000001 R12: 0000000000000001 R13: ffffffff85672408 R14: 0000000000000000 R15: dffffc0000000000 default_idle_call+0x8b/0xd0 kernel/sched/idle.c:112 cpuidle_idle_call kernel/sched/idle.c:194 [inline] do_idle+0x3ad/0x520 kernel/sched/idle.c:300 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:396 secondary_startup_64_no_verify+0xc2/0xcb perf: interrupt took too long (2567 > 2500), lowering kernel.perf_event_max_sample_rate to 77000 EXT4-fs warning (device sda): verify_group_input:146: Cannot add at group 32769 (only 16 groups) perf: interrupt took too long (3252 > 3208), lowering kernel.perf_event_max_sample_rate to 61000 perf: interrupt took too long (4073 > 4065), lowering kernel.perf_event_max_sample_rate to 49000 tmpfs: Bad value for 'mpol' tmpfs: Bad value for 'mpol' ---------------- Code disassembly (best guess): 0: 44 24 08 rex.R and $0x8,%al 3: e8 ee 7e 7a fe callq 0xfe7a7ef6 8: 0f b6 44 24 08 movzbl 0x8(%rsp),%eax d: 84 c0 test %al,%al f: 0f 85 ac 06 00 00 jne 0x6c1 15: e8 cc 85 7a fe callq 0xfe7a85e6 1a: e8 c7 85 7a fe callq 0xfe7a85e6 1f: 48 89 d8 mov %rbx,%rax 22: 48 c1 e8 03 shr $0x3,%rax 26: 80 3c 28 00 cmpb $0x0,(%rax,%rbp,1) * 2a: 0f 85 c1 09 00 00 jne 0x9f1 <-- trapping instruction 30: 48 8b 1b mov (%rbx),%rbx 33: 48 81 fb 00 8f 3d 85 cmp $0xffffffff853d8f00,%rbx 3a: 0f 84 f7 04 00 00 je 0x537