IPVS: ftp: loaded support on port[0] = 21 netlink: 16 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor0:7945] Modules linked in: CPU: 1 PID: 7945 Comm: syz-executor0 Not tainted 4.18.0-rc4+ #27 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__msan_metadata_ptr_for_load_4+0xb/0x20 mm/kmsan/kmsan_instr.c:349 Code: 48 89 e5 be 02 00 00 00 ba 01 00 00 00 e8 7d fc ff ff 5d c3 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 be 04 00 00 00 31 d2 60 fc ff ff 5d c3 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 55 RSP: 0000:ffff880127c1f610 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffffffff815565a5 RBX: 0000000000000003 RCX: ffff8801278b5880 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff880127c1f678 RBP: ffff880127c1f610 R08: 0000000000000000 R09: 0000000000000002 R10: 0000000000000000 R11: ffffffff8117d090 R12: ffff880127c1f678 R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801278b6180 FS: 000000000275d940(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000072c029 CR3: 000000019cc7e000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: csd_lock_wait kernel/smp.c:108 [inline] smp_call_function_single+0x363/0x500 kernel/smp.c:302 smp_call_function_many+0x672/0xe30 kernel/smp.c:434 native_flush_tlb_others+0x4e9/0x510 arch/x86/mm/tlb.c:595 flush_tlb_mm_range+0x358/0x490 arch/x86/mm/tlb.c:644 flush_tlb_page arch/x86/include/asm/tlbflush.h:526 [inline] ptep_clear_flush+0x11c/0x1f0 mm/pgtable-generic.c:87 wp_page_copy+0x1696/0x24f0 mm/memory.c:2538 do_wp_page+0xe8d/0x2fb0 include/linux/spinlock_api_smp.h:152 handle_pte_fault mm/memory.c:3990 [inline] __handle_mm_fault mm/memory.c:4098 [inline] handle_mm_fault+0x35bf/0x85e0 mm/memory.c:4135 __do_page_fault+0xa76/0x1810 arch/x86/mm/fault.c:1397 do_page_fault+0x98/0xd0 arch/x86/mm/fault.c:1474 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1169 RIP: 0033:0x4071ba Code: 83 c4 28 c3 bf ea ab 4b 00 31 c0 e8 b0 9d ff ff e8 9b 22 05 00 90 66 2e 0f 1f 84 00 00 00 00 00 53 c6 07 01 48 89 fb 89 77 04 47 39 01 48 83 c7 24 c7 47 fc 00 00 00 00 c7 07 00 00 00 00 e8 RSP: 002b:0000000000a3e8e0 EFLAGS: 00010246 RAX: 0000000000000003 RBX: 000000000072bff0 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000000000072bff0 RBP: 0000000000000749 R08: 0000000000000003 R09: 0000000000a3ea30 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000a3ea30 R14: 000000000072c014 R15: 0000000000000002 Sending NMI from CPU 1 to CPUs 0: ------------[ cut here ]------------ kernel BUG at mm/kmsan/kmsan_entry.c:81! invalid opcode: 0000 [#1] SMP PTI CPU: 0 PID: 7948 Comm: syz-executor0 Not tainted 4.18.0-rc4+ #27 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 80 90 03 00 83 c0 01 83 f8 08 7d 27 65 89 04 25 80 90 03 00 65 c6 04 25 15 6e 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:fffffe000000eea8 EFLAGS: 00010046 RAX: 0000000000000200 RBX: 0000000000000001 RCX: 00000000c0000101 RDX: 00000000ffff8802 RSI: ffffffff8a40136c RDI: ffff8801bde3f000 RBP: fffffe000000eef9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 000000019cc7e000 R15: 0000000000000000 FS: 00007f875916e700(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000930031 CR3: 000000019cc7e000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: Modules linked in: Dumping ftrace buffer: (ftrace buffer empty) ---[ end trace 96cfbc9021371264 ]--- RIP: 0010:kmsan_nmi_enter+0x42/0x70 mm/kmsan/kmsan_entry.c:80 Code: 00 74 27 65 8b 04 25 80 90 03 00 83 c0 01 83 f8 08 7d 27 65 89 04 25 80 90 03 00 65 c6 04 25 15 6e 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:fffffe000000eea8 EFLAGS: 00010046 RAX: 0000000000000200 RBX: 0000000000000001 RCX: 00000000c0000101 RDX: 00000000ffff8802 RSI: ffffffff8a40136c RDI: ffff8801bde3f000 RBP: fffffe000000eef9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 000000019cc7e000 R15: 0000000000000000 FS: 00007f875916e700(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000930031 CR3: 000000019cc7e000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400