general protection fault in __hrtimer_run

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	general protection fault in __hrtimer_run_queues kernel	C			1	2119d	2119d	0/26	closed as invalid on 2018/07/07 21:38
upstream	general protection fault in __hrtimer_run_queues (3) reiserfs	C	error	done	2	137d	302d	26/26	fixed on 2024/01/30 15:47

protocol 88fb is buggy, dev hsr_slave_1 kasan: CONFIG_KASAN_INLINE enabled kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 336860332 Comm: Not tainted 4.20.0+ #7 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:lookup_object lib/debugobjects.c:156 [inline] RIP: 0010:debug_object_deactivate lib/debugobjects.c:542 [inline] RIP: 0010:debug_object_deactivate+0x16c/0x4b0 lib/debugobjects.c:529 Code: c1 ea 03 42 80 3c 2a 00 0f 85 49 02 00 00 4d 8b 24 24 4d 85 e4 0f 84 d1 00 00 00 49 8d 7c 24 18 83 c3 01 48 89 fa 48 c1 ea 03 <42> 80 3c 2a 00 0f 85 fa 01 00 00 49 3b 4c 24 18 75 c0 49 8d 7c 24 RSP: 0018:ffff8880ae607b80 EFLAGS: 00010006 RAX: 1ffffffff16dc56c RBX: 0000000000000005 RCX: ffff8880ae626620 RDX: 03e1f86baba82b8b RSI: 0000000000000004 RDI: 1f0fc35d5d415c59 RBP: ffff8880ae607c70 R08: 1ffff11015cc0f5c R09: ffffffff899ad160 R10: 0000000000000086 R11: 0000000000000003 R12: 1f0fc35d5d415c41 R13: dffffc0000000000 R14: 1ffff11015cc0f74 R15: ffffffff8b6e2b68 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000709071 CR3: 00000000a6016000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> debug_hrtimer_deactivate kernel/time/hrtimer.c:412 [inline] debug_deactivate kernel/time/hrtimer.c:462 [inline] __run_hrtimer kernel/time/hrtimer.c:1359 [inline] __hrtimer_run_queues+0x225/0x1050 kernel/time/hrtimer.c:1451 hrtimer_interrupt+0x314/0x770 kernel/time/hrtimer.c:1509 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1035 [inline] smp_apic_timer_interrupt+0x18d/0x760 arch/x86/kernel/apic/apic.c:1060 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 </IRQ> Modules linked in: ====================================================== WARNING: possible circular locking dependency detected 4.20.0+ #7 Not tainted ------------------------------------------------------ kworker/u4:5/9341 is trying to acquire lock: 000000002fe6ff90 ((console_sem).lock){-.-.}, at: down_trylock+0x13/0x70 kernel/locking/semaphore.c:136 but task is already holding lock: 000000000ac2097c (&obj_hash[i].lock){-.-.}, at: debug_object_deactivate lib/debugobjects.c:540 [inline] 000000000ac2097c (&obj_hash[i].lock){-.-.}, at: debug_object_deactivate+0x101/0x4b0 lib/debugobjects.c:529 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&obj_hash[i].lock){-.-.}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152 __debug_object_init+0xf6/0x12d0 lib/debugobjects.c:383 debug_object_init+0x16/0x20 lib/debugobjects.c:431 debug_hrtimer_init kernel/time/hrtimer.c:401 [inline] debug_init kernel/time/hrtimer.c:449 [inline] hrtimer_init+0x97/0x480 kernel/time/hrtimer.c:1299 init_dl_task_timer+0x1b/0x50 kernel/sched/deadline.c:1057 __sched_fork+0x2bf/0x5b0 kernel/sched/core.c:2166 init_idle+0x75/0x670 kernel/sched/core.c:5374 sched_init+0xb10/0xbe8 kernel/sched/core.c:6063 start_kernel+0x445/0x8bd init/main.c:609 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:470 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:451 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 -> #2 (&rq->lock){-.-.}: __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 rq_lock kernel/sched/sched.h:1149 [inline] task_fork_fair+0xb5/0x7a0 kernel/sched/fair.c:10058 sched_fork+0x437/0xb90 kernel/sched/core.c:2359 copy_process+0x1ff6/0x8730 kernel/fork.c:1893 _do_fork+0x1a9/0x1170 kernel/fork.c:2222 kernel_thread+0x34/0x40 kernel/fork.c:2281 rest_init+0x28/0x37b init/main.c:409 arch_call_rest_init+0xe/0x1b start_kernel+0x882/0x8bd init/main.c:741 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:470 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:451 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 -> #1 (&p->pi_lock){-.-.}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152 try_to_wake_up+0xb9/0x1480 kernel/sched/core.c:1965 wake_up_process+0x10/0x20 kernel/sched/core.c:2129 __up.isra.0+0x1c0/0x2a0 kernel/locking/semaphore.c:262 up+0x13e/0x1c0 kernel/locking/semaphore.c:187 __up_console_sem+0xb7/0x1c0 kernel/printk/printk.c:236 console_unlock+0x778/0x11e0 kernel/printk/printk.c:2426 vprintk_emit+0x370/0x960 kernel/printk/printk.c:1931 vprintk_default+0x28/0x30 kernel/printk/printk.c:1958 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 printk+0xba/0xed kernel/printk/printk.c:1991 kobject_uevent_env+0x96/0x102b lib/kobject_uevent.c:469 call_crda net/wireless/reg.c:556 [inline] reg_query_database+0x27b/0x400 net/wireless/reg.c:1104 reg_process_hint_core net/wireless/reg.c:2339 [inline] reg_process_hint+0x1b3/0xf50 net/wireless/reg.c:2677 reg_process_pending_hints net/wireless/reg.c:2767 [inline] reg_todo+0x468/0xc00 net/wireless/reg.c:2844 process_one_work+0xd0c/0x1ce0 kernel/workqueue.c:2153 worker_thread+0x143/0x14a0 kernel/workqueue.c:2296 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 -> #0 ((console_sem).lock){-.-.}: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152 down_trylock+0x13/0x70 kernel/locking/semaphore.c:136 __down_trylock_console_sem+0xa8/0x210 kernel/printk/printk.c:219 console_trylock+0x15/0xa0 kernel/printk/printk.c:2242 console_trylock_spinning kernel/printk/printk.c:1662 [inline] vprintk_emit+0x351/0x960 kernel/printk/printk.c:1930 vprintk_default+0x28/0x30 kernel/printk/printk.c:1958 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 printk+0xba/0xed kernel/printk/printk.c:1991 kasan_die_handler arch/x86/mm/kasan_init_64.c:252 [inline] kasan_die_handler.cold+0x11/0x23 arch/x86/mm/kasan_init_64.c:247 notifier_call_chain+0x179/0x380 kernel/notifier.c:93 __atomic_notifier_call_chain kernel/notifier.c:183 [inline] atomic_notifier_call_chain+0x96/0x190 kernel/notifier.c:193 notify_die+0x1b2/0x270 kernel/notifier.c:549 do_general_protection+0x13d/0x300 arch/x86/kernel/traps.c:557 general_protection+0x1e/0x30 arch/x86/entry/entry_64.S:1142 lookup_object lib/debugobjects.c:156 [inline] debug_object_deactivate lib/debugobjects.c:542 [inline] debug_object_deactivate+0x16c/0x4b0 lib/debugobjects.c:529 debug_hrtimer_deactivate kernel/time/hrtimer.c:412 [inline] debug_deactivate kernel/time/hrtimer.c:462 [inline] __run_hrtimer kernel/time/hrtimer.c:1359 [inline] __hrtimer_run_queues+0x225/0x1050 kernel/time/hrtimer.c:1451 hrtimer_interrupt+0x314/0x770 kernel/time/hrtimer.c:1509 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1035 [inline] smp_apic_timer_interrupt+0x18d/0x760 arch/x86/kernel/apic/apic.c:1060 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 rcu_lock_release include/linux/rcupdate.h:228 [inline] rcu_read_unlock include/linux/rcupdate.h:661 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:423 [inline] batadv_nc_worker+0x313/0x920 net/batman-adv/network-coding.c:730 process_one_work+0xd0c/0x1ce0 kernel/workqueue.c:2153 worker_thread+0x143/0x14a0 kernel/workqueue.c:2296 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 other info that might help us debug this: Chain exists of: (console_sem).lock --> &rq->lock --> &obj_hash[i].lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&obj_hash[i].lock); lock(&rq->lock); lock(&obj_hash[i].lock); lock((console_sem).lock); *** DEADLOCK *** 6 locks held by kworker/u4:5/9341: #0: 0000000076f7a36f ((wq_completion)"%s""bat_events"){+.+.}, at: __write_once_size include/linux/compiler.h:218 [inline] #0: 0000000076f7a36f ((wq_completion)"%s""bat_events"){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: 0000000076f7a36f ((wq_completion)"%s""bat_events"){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:40 [inline] #0: 0000000076f7a36f ((wq_completion)"%s""bat_events"){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:59 [inline] #0: 0000000076f7a36f ((wq_completion)"%s""bat_events"){+.+.}, at: set_work_data kernel/workqueue.c:617 [inline] #0: 0000000076f7a36f ((wq_completion)"%s""bat_events"){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] #0: 0000000076f7a36f ((wq_completion)"%s""bat_events"){+.+.}, at: process_one_work+0xbc7/0x1ce0 kernel/workqueue.c:2124 #1: 000000007cba1831 ((work_completion)(&(&bat_priv->nc.work)->work)){+.+.}, at: process_one_work+0xc1d/0x1ce0 kernel/workqueue.c:2128 #2: 00000000a8b0ffcf (rcu_read_lock){....}, at: batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:417 [inline] #2: 00000000a8b0ffcf (rcu_read_lock){....}, at: batadv_nc_worker+0x167/0x920 net/batman-adv/network-coding.c:730 #3: 00000000bcc69ffb (hrtimer_bases.lock){-.-.}, at: hrtimer_interrupt+0xff/0x770 kernel/time/hrtimer.c:1490 #4: 000000000ac2097c (&obj_hash[i].lock){-.-.}, at: debug_object_deactivate lib/debugobjects.c:540 [inline] #4: 000000000ac2097c (&obj_hash[i].lock){-.-.}, at: debug_object_deactivate+0x101/0x4b0 lib/debugobjects.c:529 #5: 00000000a8b0ffcf (rcu_read_lock){....}, at: atomic_notifier_call_chain+0x0/0x190 kernel/notifier.c:329 stack backtrace: CPU: 1 PID: 9341 Comm: kworker/u4:5 Not tainted 4.20.0+ #7 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_nc_worker Call Trace: <IRQ> __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1224 check_prev_add kernel/locking/lockdep.c:1866 [inline] check_prevs_add kernel/locking/lockdep.c:1979 [inline] validate_chain kernel/locking/lockdep.c:2350 [inline] __lock_acquire+0x3014/0x4a30 kernel/locking/lockdep.c:3338 lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152 down_trylock+0x13/0x70 kernel/locking/semaphore.c:136 __down_trylock_console_sem+0xa8/0x210 kernel/printk/printk.c:219 console_trylock+0x15/0xa0 kernel/printk/printk.c:2242 console_trylock_spinning kernel/printk/printk.c:1662 [inline] vprintk_emit+0x351/0x960 kernel/printk/printk.c:1930 vprintk_default+0x28/0x30 kernel/printk/printk.c:1958 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 printk+0xba/0xed kernel/printk/printk.c:1991 kasan_die_handler arch/x86/mm/kasan_init_64.c:252 [inline] kasan_die_handler.cold+0x11/0x23 arch/x86/mm/kasan_init_64.c:247 notifier_call_chain+0x179/0x380 kernel/notifier.c:93 __atomic_notifier_call_chain kernel/notifier.c:183 [inline] atomic_notifier_call_chain+0x96/0x190 kernel/notifier.c:193 notify_die+0x1b2/0x270 kernel/notifier.c:549 do_general_protection+0x13d/0x300 arch/x86/kernel/traps.c:557 general_protection+0x1e/0x30 arch/x86/entry/entry_64.S:1142 RIP: 0010:lookup_object lib/debugobjects.c:156 [inline] RIP: 0010:debug_object_deactivate lib/debugobjects.c:542 [inline] RIP: 0010:debug_object_deactivate+0x16c/0x4b0 lib/debugobjects.c:529 Code: c1 ea 03 42 80 3c 2a 00 0f 85 49 02 00 00 4d 8b 24 24 4d 85 e4 0f 84 d1 00 00 00 49 8d 7c 24 18 83 c3 01 48 89 fa 48 c1 ea 03 <42> 80 3c 2a 00 0f 85 fa 01 00 00 49 3b 4c 24 18 75 c0 49 8d 7c 24 RSP: 0018:ffff8880ae707b80 EFLAGS: 00010006 RAX: 1ffffffff16d79ac RBX: 0000000000000003 RCX: ffff88808ad3fd10 RDX: 03e1f86baba82b8b RSI: 0000000000000004 RDI: 1f0fc35d5d415c59 RBP: ffff8880ae707c70 R08: 1ffff11015ce0f5c R09: ffffffff899ad160 R10: 0000000000000086 R11: 0000000000000003 R12: 1f0fc35d5d415c41 R13: dffffc0000000000 R14: 1ffff11015ce0f74 R15: ffffffff8b6bcd68 debug_hrtimer_deactivate kernel/time/hrtimer.c:412 [inline] debug_deactivate kernel/time/hrtimer.c:462 [inline] __run_hrtimer kernel/time/hrtimer.c:1359 [inline] __hrtimer_run_queues+0x225/0x1050 kernel/time/hrtimer.c:1451 hrtimer_interrupt+0x314/0x770 kernel/time/hrtimer.c:1509 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1035 [inline] smp_apic_timer_interrupt+0x18d/0x760 arch/x86/kernel/apic/apic.c:1060 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 </IRQ> RIP: 0010:rcu_lock_release include/linux/rcupdate.h:228 [inline] RIP: 0010:rcu_read_unlock include/linux/rcupdate.h:661 [inline] RIP: 0010:batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:423 [inline] RIP: 0010:batadv_nc_worker+0x313/0x920 net/batman-adv/network-coding.c:730 Code: e1 43 85 02 31 ff 44 89 e6 e8 39 20 af f9 45 84 e4 0f 84 ec 02 00 00 e8 eb 1e af f9 41 83 c6 01 e8 52 8b 99 f9 e8 dd 1e af f9 <48> c7 c2 80 77 d2 87 be 01 00 00 00 48 c7 c7 c0 f9 99 89 e8 d5 5f RSP: 0018:ffff88809614f8b8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff88809722c040 RBX: ffff88808d067780 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff87d27793 RDI: 1ffff11012c29f08 RBP: ffff88809614f9e0 R08: ffff88809722c040 R09: ffffed1015ce5b90 R10: ffffed1015ce5b8f R11: ffff8880ae72dc7b R12: 0000000000000001 R13: 000 Lost 39 message(s)! ---[ end trace 07ce5dfe86084493 ]--- general protection fault: 0000 [#2] PREEMPT SMP KASAN CPU: 1 PID: 9341 Comm: kworker/u4:5 Tainted: G D 4.20.0+ #7 RIP: 0010:lookup_object lib/debugobjects.c:156 [inline] RIP: 0010:debug_object_deactivate lib/debugobjects.c:542 [inline] RIP: 0010:debug_object_deactivate+0x16c/0x4b0 lib/debugobjects.c:529 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Code: c1 ea 03 42 80 3c 2a 00 0f 85 49 02 00 00 4d 8b 24 24 4d 85 e4 0f 84 d1 00 00 00 49 8d 7c 24 18 83 c3 01 48 89 fa 48 c1 ea 03 <42> 80 3c 2a 00 0f 85 fa 01 00 00 49 3b 4c 24 18 75 c0 49 8d 7c 24 Workqueue: bat_events batadv_nc_worker RSP: 0018:ffff8880ae607b80 EFLAGS: 00010006 RIP: 0010:lookup_object lib/debugobjects.c:156 [inline] RIP: 0010:debug_object_deactivate lib/debugobjects.c:542 [inline] RIP: 0010:debug_object_deactivate+0x16c/0x4b0 lib/debugobjects.c:529 RAX: 1ffffffff16dc56c RBX: 0000000000000005 RCX: ffff8880ae626620 Code: c1 ea 03 42 80 3c 2a 00 0f 85 49 02 00 00 4d 8b 24 24 4d 85 e4 0f 84 d1 00 00 00 49 8d 7c 24 18 83 c3 01 48 89 fa 48 c1 ea 03 <42> 80 3c 2a 00 0f 85 fa 01 00 00 49 3b 4c 24 18 75 c0 49 8d 7c 24 RDX: 03e1f86baba82b8b RSI: 0000000000000004 RDI: 1f0fc35d5d415c59 RSP: 0018:ffff8880ae707b80 EFLAGS: 00010006 RBP: ffff8880ae607c70 R08: 1ffff11015cc0f5c R09: ffffffff899ad160 RAX: 1ffffffff16d79ac RBX: 0000000000000003 RCX: ffff88808ad3fd10 R10: 0000000000000086 R11: 0000000000000003 R12: 1f0fc35d5d415c41 RDX: 03e1f86baba82b8b RSI: 0000000000000004 RDI: 1f0fc35d5d415c59 R13: dffffc0000000000 R14: 1ffff11015cc0f74 R15: ffffffff8b6e2b68 RBP: ffff8880ae707c70 R08: 1ffff11015ce0f5c R09: ffffffff899ad160 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 R10: 0000000000000086 R11: 0000000000000003 R12: 1f0fc35d5d415c41 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 R13: dffffc0000000000 R14: 1ffff11015ce0f74 R15: ffffffff8b6bcd68 CR2: 0000000000709071 CR3: 00000000a6016000 CR4: 00000000001406f0 FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400