------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(class_idx > MAX_LOCKDEP_KEYS) WARNING: CPU: 1 PID: 27298 at kernel/locking/lockdep.c:3765 __lock_acquire+0x17b5/0x5490 kernel/locking/lockdep.c:3765 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 27298 Comm: syz-executor.2 Not tainted 5.2.0-rc1+ #7 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 e7 b9 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 a8 0e 09 85 c9 RSP: 0018:ffff8880ae9099d0 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000100 RSI: ffffffff815ac7e6 RDI: ffffed1015d2132c RBP: ffff8880ae909b80 R08: ffff8880a5d0c0c0 R09: fffffbfff11730e9 R10: fffffbfff11730e8 R11: ffffffff88b98743 R12: 00000000a394182f R13: 0000000000000001 R14: 00000000000c382f 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:__sanitizer_cov_trace_pc+0x1/0x50 kernel/kcov.c:95 Code: 25 f4 8a f5 08 41 bc f4 ff ff ff e8 3d 11 ea ff 48 c7 05 de 8a f5 08 00 00 00 00 e9 a4 e9 ff ff 90 90 90 90 90 90 90 90 90 55 <48> 89 e5 48 8b 75 08 65 48 8b 04 25 c0 fd 01 00 65 8b 15 00 59 91 RSP: 0018:ffff88805f7c7608 EFLAGS: 00000287 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: ffff88805f7c7708 RCX: ffffffff815fe008 RDX: 0000000000000040 RSI: 0000000000000003 RDI: 0000000000000004 RBP: ffff88805f7c7640 R08: ffff8880a5d0c0c0 R09: ffff88805f7c76a8 R10: ffff88805f7c7678 R11: ffff88805f7c7688 R12: 0000000000000003 R13: ffffffff81a8d33a R14: 0000000000000040 R15: 0000000000000000 arch_stack_walk+0x71/0xf0 arch/x86/kernel/stacktrace.c:27 stack_trace_save+0xac/0xe0 kernel/stacktrace.c:123 save_stack+0x23/0x90 mm/kasan/common.c:71 set_track mm/kasan/common.c:79 [inline] __kasan_kmalloc mm/kasan/common.c:489 [inline] __kasan_kmalloc.constprop.0+0xcf/0xe0 mm/kasan/common.c:462 kasan_slab_alloc+0xf/0x20 mm/kasan/common.c:497 slab_post_alloc_hook mm/slab.h:437 [inline] slab_alloc mm/slab.c:3326 [inline] kmem_cache_alloc+0x11a/0x6f0 mm/slab.c:3488 kmem_cache_zalloc include/linux/slab.h:732 [inline] __alloc_file+0x27/0x300 fs/file_table.c:101 alloc_empty_file+0x72/0x170 fs/file_table.c:151 path_openat+0xef/0x46d0 fs/namei.c:3522 do_filp_open+0x1a1/0x280 fs/namei.c:3563 do_sys_open+0x3fe/0x5d0 fs/open.c:1070 __do_sys_open fs/open.c:1088 [inline] __se_sys_open fs/open.c:1083 [inline] __x64_sys_open+0x7e/0xc0 fs/open.c:1083 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x413140 Code: 05 48 3d 01 f0 ff ff 0f 83 2d 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 83 3d 4d 31 66 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 0a fa ff ff RSP: 002b:00007fff139e0358 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fff139e0384 RCX: 0000000000413140 RDX: 00007fff139e038a RSI: 0000000000080001 RDI: 00000000004bea78 RBP: 00007fff139e0380 R08: 0000000000000000 R09: 0000000000000004 R10: 0000000000000075 R11: 0000000000000246 R12: 00000000004bea78 R13: 00007fff139e08a0 R14: 0000000000000000 R15: 00007fff139e08b0 Shutting down cpus with NMI Kernel Offset: disabled Rebooting in 86400 seconds..