------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(class_idx > MAX_LOCKDEP_KEYS) WARNING: CPU: 0 PID: 14296 at kernel/locking/lockdep.c:3765 __lock_acquire+0x17b5/0x5490 kernel/locking/lockdep.c:3765 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 14296 Comm: syz-executor.2 Not tainted 5.2.0-rc1+ #6 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 panic+0x2cb/0x744 kernel/panic.c:219 __warn.cold+0x20/0x4d kernel/panic.c:576 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:179 [inline] fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:986 RIP: 0010:__lock_acquire+0x17b5/0x5490 kernel/locking/lockdep.c:3765 Code: d2 0f 85 c7 2c 00 00 44 8b 3d 27 a8 29 08 45 85 ff 0f 85 57 f3 ff ff 48 c7 c6 20 c1 6b 87 48 c7 c7 00 98 6b 87 e8 09 d5 eb ff <0f> 0b e9 40 f3 ff ff 0f 0b e9 83 f1 ff ff 8b 0d 47 98 0e 09 85 c9 RSP: 0018:ffff8880ae8099d0 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000100 RSI: ffffffff815ac7e6 RDI: ffffed1015d0132c RBP: ffff8880ae809b80 R08: ffff888087a405c0 R09: fffffbfff11730e9 R10: fffffbfff11730e8 R11: ffffffff88b98743 R12: 0000000075087609 R13: 0000000000000001 R14: 00000000000c3609 R15: 0000000000000000 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:4303 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:338 [inline] __queue_work+0xaa3/0x1200 kernel/workqueue.c:1446 queue_work_on+0x192/0x200 kernel/workqueue.c:1518 queue_work include/linux/workqueue.h:494 [inline] rxrpc_peer_keepalive_timeout net/rxrpc/net_ns.c:41 [inline] rxrpc_peer_keepalive_timeout+0x97/0xd0 net/rxrpc/net_ns.c:35 call_timer_fn+0x193/0x720 kernel/time/timer.c:1322 expire_timers kernel/time/timer.c:1366 [inline] __run_timers kernel/time/timer.c:1685 [inline] __run_timers kernel/time/timer.c:1653 [inline] run_timer_softirq+0x66f/0x1740 kernel/time/timer.c:1698 __do_softirq+0x25c/0x94c kernel/softirq.c:293 invoke_softirq kernel/softirq.c:374 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:414 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1068 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:806 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:767 [inline] RIP: 0010:lock_acquire+0x1ea/0x3f0 kernel/locking/lockdep.c:4306 Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 32 05 5b 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b RSP: 0018:ffff88806eb8f620 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff1164e0e RBX: ffff888087a405c0 RCX: ffff888087a40e40 RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000282 RBP: ffff88806eb8f668 R08: 00000000d22d0c1d R09: ffff888087a40e88 R10: ffff888087a40e68 R11: ffff888087a405c0 R12: ffffffff88ba31c0 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 rcu_lock_acquire include/linux/rcupdate.h:210 [inline] rcu_read_lock+0x29/0x70 include/linux/rcupdate.h:595 lock_page_memcg+0x19/0x1d0 mm/memcontrol.c:1984 page_remove_file_rmap mm/rmap.c:1218 [inline] page_remove_rmap+0x53d/0x1090 mm/rmap.c:1303 zap_pte_range mm/memory.c:1093 [inline] zap_pmd_range mm/memory.c:1195 [inline] zap_pud_range mm/memory.c:1224 [inline] zap_p4d_range mm/memory.c:1245 [inline] unmap_page_range+0xd3b/0x22f0 mm/memory.c:1266 unmap_single_vma+0x19d/0x300 mm/memory.c:1311 unmap_vmas+0x135/0x280 mm/memory.c:1343 exit_mmap+0x2ad/0x510 mm/mmap.c:3145 __mmput kernel/fork.c:1059 [inline] mmput+0x15f/0x4c0 kernel/fork.c:1080 exit_mm kernel/exit.c:547 [inline] do_exit+0x816/0x2fa0 kernel/exit.c:864 do_group_exit+0x135/0x370 kernel/exit.c:981 get_signal+0x41e/0x2240 kernel/signal.c:2638 do_signal+0x87/0x1900 arch/x86/kernel/signal.c:815 exit_to_usermode_loop+0x244/0x2c0 arch/x86/entry/common.c:164 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:279 [inline] do_syscall_64+0x58e/0x680 arch/x86/entry/common.c:304 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459279 Code: Bad RIP value. RSP: 002b:00007f21699a0cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 000000000075bf28 RCX: 0000000000459279 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c R13: 00007fff39115dbf R14: 00007f21699a19c0 R15: 000000000075bf2c Kernel Offset: disabled Rebooting in 86400 seconds..