watchdog: BUG: soft lockup - CPU#0 stuck for 134s! [syz-executor3:4836]
Modules linked in:
irq event stamp: 302054
hardirqs last  enabled at (302053): [<000000004026afec>] restore_regs_and_return_to_kernel+0x0/0x21
hardirqs last disabled at (302054): [<00000000ad93de9e>] apic_timer_interrupt+0xa4/0xb0 arch/x86/entry/entry_64.S:920
softirqs last  enabled at (4710): [<00000000c7de091a>] __do_softirq+0x7a0/0xb85 kernel/softirq.c:311
softirqs last disabled at (4637): [<000000001e3098f1>] invoke_softirq kernel/softirq.c:365 [inline]
softirqs last disabled at (4637): [<000000001e3098f1>] irq_exit+0x1cc/0x200 kernel/softirq.c:405
CPU: 0 PID: 4836 Comm: syz-executor3 Not tainted 4.15.0-rc4-next-20171220+ #77
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__read_once_size include/linux/compiler.h:183 [inline]
RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline]
RIP: 0010:smp_call_function_single+0x39b/0x560 kernel/smp.c:302
RSP: 0018:ffff8801d3a8ef40 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11
RAX: 0000000000010000 RBX: 1ffff1003a751df0 RCX: 0000000000000004
RDX: 0000000000000003 RSI: ffffc9000218c000 RDI: ffff8801d3a8f038
RBP: ffff8801d3a8f090 R08: 0000000000000000 R09: 1ffff1003a751df8
R10: ffff8801d3a8f0b0 R11: 0000000000000001 R12: ffff8801d3a8f038
R13: dffffc0000000000 R14: 0000000000000000 R15: ffffed003a751dfc
FS:  00007f53a8a59700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020605ffb CR3: 00000001d2c77006 CR4: 00000000001626f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 smp_call_function_many+0x773/0x930 kernel/smp.c:434
 smp_call_function kernel/smp.c:492 [inline]
 on_each_cpu+0x3d/0x1b0 kernel/smp.c:602
 flush_tlb_kernel_range+0x7a/0x110 arch/x86/mm/tlb.c:617
 __purge_vmap_area_lazy+0x101/0x250 mm/vmalloc.c:696
 vm_unmap_aliases+0x3ef/0x570 mm/vmalloc.c:1121
 change_page_attr_set_clr+0x621/0xf60 arch/x86/mm/pageattr.c:1470
 change_page_attr_clear arch/x86/mm/pageattr.c:1530 [inline]
 set_memory_ro+0x2e/0x40 arch/x86/mm/pageattr.c:1759
 bpf_prog_lock_ro include/linux/filter.h:629 [inline]
 bpf_prog_select_runtime+0x1c4/0x5d0 kernel/bpf/core.c:1445
 bpf_prog_load+0x1269/0x1b00 kernel/bpf/syscall.c:1198
 SYSC_bpf kernel/bpf/syscall.c:1724 [inline]
 SyS_bpf+0x1044/0x4420 kernel/bpf/syscall.c:1686
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a09
RSP: 002b:00007f53a8a58c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452a09
RDX: 0000000000000030 RSI: 0000000020094000 RDI: 0000000000000005
RBP: 000000000000039b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f2728
R13: 00000000ffffffff R14: 00007f53a8a596d4 R15: 0000000000000000
Code: 0f b6 14 2a 84 d2 74 09 80 fa 03 0f 8e 4f 01 00 00 41 0f b6 0f 8b 55 a8 84 c9 74 09 80 f9 03 0f 8e 48 01 00 00 89 95 50 ff ff ff <83> e2 01 41 c6 07 f8 75 b9 e8 47 26 0b 00 e8 42 26 0b 00 48 b8