kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 7744 Comm: syz-executor.3 Not tainted 5.0.0-rc7+ #82 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:lock_accessed kernel/locking/lockdep.c:968 [inline] RIP: 0010:__bfs kernel/locking/lockdep.c:1035 [inline] RIP: 0010:__bfs+0x18a/0x5a0 kernel/locking/lockdep.c:989 Code: 8b 3f 4d 39 fd 0f 84 77 01 00 00 49 8d 7f 10 4c 89 f8 4c 8b 0d 17 ec fa 08 48 89 f9 48 2d a0 87 31 8a 48 c1 e9 03 48 c1 f8 06 <42> 80 3c 31 00 0f 85 db 02 00 00 49 8b 77 10 4c 8d 46 2c 4c 89 c1 RSP: 0018:ffff8880ae907828 EFLAGS: 00010007 RAX: 0000000001d739e1 RBX: ffff8880ae9078f0 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 1ffffffff14ab954 RDI: 0000000000000010 RBP: ffff8880ae907890 R08: 0000000000000001 R09: 0000000000002dc2 R10: ffffed1015d25bcf R11: 0000000000000000 R12: 0000000000000006 R13: ffffffff8a2000d0 R14: dffffc0000000000 R15: 0000000000000000 FS: 00000000027aa940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbb82a3b638 CR3: 00000000871a4000 CR4: 00000000001406e0 Call Trace: __bfs_forwards kernel/locking/lockdep.c:1063 [inline] find_usage_forwards kernel/locking/lockdep.c:1363 [inline] check_usage_forwards+0x119/0x340 kernel/locking/lockdep.c:2575 mark_lock_irq kernel/locking/lockdep.c:2690 [inline] mark_lock+0x427/0x1380 kernel/locking/lockdep.c:3062 mark_irqflags kernel/locking/lockdep.c:2940 [inline] __lock_acquire+0x128f/0x4700 kernel/locking/lockdep.c:3295 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3841 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] __queue_work+0x9ce/0x1180 kernel/workqueue.c:1434 delayed_work_timer_fn+0x5d/0x90 kernel/workqueue.c:1520 call_timer_fn+0x190/0x720 kernel/time/timer.c:1325 expire_timers kernel/time/timer.c:1358 [inline] __run_timers kernel/time/timer.c:1681 [inline] __run_timers kernel/time/timer.c:1649 [inline] run_timer_softirq+0x44c/0x1700 kernel/time/timer.c:1694 __do_softirq+0x266/0x95a kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x14a/0x570 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:copy_pte_range mm/memory.c:860 [inline] RIP: 0010:copy_pmd_range mm/memory.c:906 [inline] RIP: 0010:copy_pud_range mm/memory.c:940 [inline] RIP: 0010:copy_p4d_range mm/memory.c:962 [inline] RIP: 0010:copy_page_range+0xa38/0x1f90 mm/memory.c:1023 Code: 00 eb 4b e8 ea 4d d5 ff 41 83 c6 01 e8 e1 4d d5 ff 4c 8b ad 00 ff ff ff 48 81 85 30 ff ff ff 00 10 00 00 48 8b 9d 30 ff ff ff <48> 83 85 f0 fe ff ff 08 48 83 85 28 ff ff ff 08 4c 89 ef 48 89 de RSP: 0018:ffff8880972a79b0 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: ffff888097c3a340 RBX: 00007fe610a17000 RCX: 800000008550c007 RDX: 0000000000000000 RSI: ffffffff819a968f RDI: ffff88809a560380 RBP: ffff8880972a7b80 R08: ffff888097c3a340 R09: fffff9400042a867 R10: fffff9400042a866 R11: ffffea0002154333 R12: 0000000000000000 R13: 00007fe610af0000 R14: 0000000000000018 R15: 0000000000000000 dup_mmap kernel/fork.c:586 [inline] dup_mm kernel/fork.c:1320 [inline] copy_mm kernel/fork.c:1375 [inline] copy_process.part.0+0x56aa/0x79a0 kernel/fork.c:1917 copy_process kernel/fork.c:1710 [inline] _do_fork+0x257/0xfe0 kernel/fork.c:2227 __do_sys_clone kernel/fork.c:2334 [inline] __se_sys_clone kernel/fork.c:2328 [inline] __x64_sys_clone+0xbf/0x150 kernel/fork.c:2328 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4563fa Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 0c 25 10 00 00 00 31 d2 4d 8d 91 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 f5 00 00 00 85 c0 41 89 c5 0f 85 fc 00 00 RSP: 002b:00007fff1fd574e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007fff1fd574e0 RCX: 00000000004563fa RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007fff1fd57520 R08: 0000000000000001 R09: 00000000027aa940 R10: 00000000027aac10 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003 Modules linked in: ---[ end trace d3d78dd7c4369dc0 ]--- RIP: 0010:lock_accessed kernel/locking/lockdep.c:968 [inline] RIP: 0010:__bfs kernel/locking/lockdep.c:1035 [inline] RIP: 0010:__bfs+0x18a/0x5a0 kernel/locking/lockdep.c:989 Code: 8b 3f 4d 39 fd 0f 84 77 01 00 00 49 8d 7f 10 4c 89 f8 4c 8b 0d 17 ec fa 08 48 89 f9 48 2d a0 87 31 8a 48 c1 e9 03 48 c1 f8 06 <42> 80 3c 31 00 0f 85 db 02 00 00 49 8b 77 10 4c 8d 46 2c 4c 89 c1 RSP: 0018:ffff8880ae907828 EFLAGS: 00010007 RAX: 0000000001d739e1 RBX: ffff8880ae9078f0 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 1ffffffff14ab954 RDI: 0000000000000010 RBP: ffff8880ae907890 R08: 0000000000000001 R09: 0000000000002dc2 R10: ffffed1015d25bcf R11: 0000000000000000 R12: 0000000000000006 R13: ffffffff8a2000d0 R14: dffffc0000000000 R15: 0000000000000000 FS: 00000000027aa940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbb82a3b638 CR3: 00000000871a4000 CR4: 00000000001406e0