watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor2:26061] Modules linked in: CPU: 0 PID: 26061 Comm: syz-executor2 Not tainted 4.19.0-rc1+ #40 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:my_phys_addr_valid mm/kmsan/kmsan_instr.c:103 [inline] RIP: 0010:my_virt_addr_valid mm/kmsan/kmsan_instr.c:125 [inline] RIP: 0010:msan_get_shadow_origin_ptr+0xbc/0x2e0 mm/kmsan/kmsan_instr.c:271 Code: 2d 00 00 00 80 0f 83 12 02 00 00 48 ba 00 00 00 00 00 78 00 00 4c 01 fa 48 39 c2 77 51 8a 0c 25 c9 5b 03 8a 48 89 d6 48 d3 ee <48> 85 f6 75 3f 48 89 d1 48 c1 e9 2e 75 36 48 8b 0c 25 e0 f3 53 8a RSP: 0018:ffff8800b2b9ecf0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffff880132b9edd8 RBX: ffffffff8a544000 RCX: 000000000004002e RDX: 00000000b2b9edd8 RSI: 0000000000000000 RDI: ffff8800b2b9edd8 RBP: ffff8800b2b9ed40 R08: 0000000000000000 R09: 0000000000000002 R10: 0000000000000000 R11: ffffffff81179950 R12: 0000000000000004 R13: ffff88012c370000 R14: ffffffff8a543000 R15: ffff8800b2b9edd8 FS: 00007ffa37537700(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000708694 CR3: 00000000b03a8000 CR4: 00000000001406f0 DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: __msan_metadata_ptr_for_load_4+0x10/0x20 mm/kmsan/kmsan_instr.c:349 csd_lock_wait kernel/smp.c:108 [inline] smp_call_function_single+0x373/0x4e0 kernel/smp.c:302 smp_call_function_many+0x658/0xdb0 kernel/smp.c:434 smp_call_function kernel/smp.c:492 [inline] on_each_cpu+0xd2/0x160 kernel/smp.c:604 flush_tlb_all+0x3c/0x40 arch/x86/mm/tlb.c:666 __change_page_attr arch/x86/mm/pageattr.c:1308 [inline] __change_page_attr_set_clr+0x6a4/0x6150 arch/x86/mm/pageattr.c:1395 cpa_process_alias arch/x86/mm/pageattr.c:1348 [inline] __change_page_attr_set_clr+0x549d/0x6150 arch/x86/mm/pageattr.c:1402 change_page_attr_set_clr+0x911/0x1e50 arch/x86/mm/pageattr.c:1494 change_page_attr_clear arch/x86/mm/pageattr.c:1537 [inline] set_memory_ro+0xcc/0x100 arch/x86/mm/pageattr.c:1766 bpf_jit_binary_lock_ro include/linux/filter.h:704 [inline] bpf_int_jit_compile+0x7a2b/0x8580 arch/x86/net/bpf_jit_comp.c:1168 bpf_prog_select_runtime+0x953/0x9f0 kernel/bpf/core.c:1498 bpf_migrate_filter net/core/filter.c:1273 [inline] bpf_prepare_filter+0x1988/0x1dd0 net/core/filter.c:1321 __get_filter+0x62c/0x7a0 net/core/filter.c:1490 sk_attach_filter+0x72/0x2e0 net/core/filter.c:1505 sock_setsockopt+0x3760/0x4910 net/core/sock.c:892 __sys_setsockopt+0x339/0x540 net/socket.c:1896 __do_sys_setsockopt net/socket.c:1911 [inline] __se_sys_setsockopt+0xdd/0x100 net/socket.c:1908 __x64_sys_setsockopt+0x62/0x80 net/socket.c:1908 do_syscall_64+0xb8/0x100 arch/x86/entry/common.c:291 entry_SYSCALL_64_after_hwframe+0x63/0xe7 RIP: 0033:0x457099 Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffa37536c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007ffa375376d4 RCX: 0000000000457099 RDX: 000000000000001a RSI: 0000000000000001 RDI: 0000000000000003 RBP: 00000000009300a0 R08: 0000000000000010 R09: 0000000000000000 R10: 0000000020b86000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004d4e18 R14: 00000000004c91a1 R15: 0000000000000000 Sending NMI from CPU 0 to CPUs 1: ------------[ cut here ]------------ kernel BUG at mm/kmsan/kmsan_entry.c:81! invalid opcode: 0000 [#1] SMP PTI CPU: 1 PID: 26068 Comm: syz-executor0 Not tainted 4.19.0-rc1+ #40 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:kmsan_nmi_enter+0x42/0x70 mm/kmsan/kmsan_entry.c:80 Code: 00 74 27 65 8b 04 25 40 92 03 00 83 c0 01 83 f8 08 7d 27 65 89 04 25 40 92 03 00 65 c6 04 25 d5 6f 0b 00 ff c3 0f 0b 90 eb fe <0f> 0b 66 90 66 2e 0f 1f 84 00 00 00 00 00 eb fe 0f 0b 66 90 66 2e RSP: 0018:fffffe0000049ea8 EFLAGS: 00010046 RAX: 0000000080000000 RBX: 0000000000000001 RCX: 00000000c0000101 RDX: 00000000ffff8802 RSI: ffffffff8900136c RDI: 00000001c509bffc RBP: fffffe0000049ef9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 00000000affb8000 R15: 0000000000000000 FS: 00007fbc69b29700(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f489868b848 CR3: 00000000affb8000 CR4: 00000000001406e0 DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: Modules linked in: Dumping ftrace buffer: (ftrace buffer empty) ---[ end trace 216873d5ab6bb27c ]--- RIP: 0010:kmsan_nmi_enter+0x42/0x70 mm/kmsan/kmsan_entry.c:80 Code: 00 74 27 65 8b 04 25 40 92 03 00 83 c0 01 83 f8 08 7d 27 65 89 04 25 40 92 03 00 65 c6 04 25 d5 6f 0b 00 ff c3 0f 0b 90 eb fe <0f> 0b 66 90 66 2e 0f 1f 84 00 00 00 00 00 eb fe 0f 0b 66 90 66 2e RSP: 0018:fffffe0000049ea8 EFLAGS: 00010046 RAX: 0000000080000000 RBX: 0000000000000001 RCX: 00000000c0000101 RDX: 00000000ffff8802 RSI: ffffffff8900136c RDI: 00000001c509bffc RBP: fffffe0000049ef9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 00000000affb8000 R15: 0000000000000000 FS: 00007fbc69b29700(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f489868b848 CR3: 00000000affb8000 CR4: 00000000001406e0 DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600