watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor5:9727] Modules linked in: CPU: 0 PID: 9727 Comm: syz-executor5 Not tainted 4.18.0-rc8+ #34 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:lowmem_page_address include/linux/mm.h:1166 [inline] RIP: 0010:msan_get_shadow_origin_ptr+0x1da/0x2e0 mm/kmsan/kmsan_instr.c:301 Code: d0 48 8b 47 40 48 ba 00 00 00 00 00 88 ff ff 48 b9 00 00 00 00 00 16 00 00 48 01 c8 48 c1 e8 05 48 be 00 b0 aa aa aa aa aa aa <48> 0f af c6 4c 09 e8 48 01 d0 74 6d 41 81 e7 fc 0f 00 00 48 03 4f RSP: 0018:ffff88011f2ef2d0 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: 000000000036a97d RBX: ffffffff8a1af000 RCX: 0000160000000000 RDX: ffff880000000000 RSI: aaaaaaaaaaaab000 RDI: ffffea0006bb19a0 RBP: ffff88011f2ef320 R08: 0000000000000000 R09: 0000000000000002 R10: 0000000000000000 R11: ffffffff81174df0 R12: 0000000000000004 R13: 00000000000003b8 R14: ffffffff8a1ae000 R15: ffff88011f2ef3b8 FS: 00007f7c9bcca700(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000000 CR3: 00000001972a6000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 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:602 flush_tlb_kernel_range+0x161/0x1e0 arch/x86/mm/tlb.c:683 __purge_vmap_area_lazy+0x1f7/0x3b0 mm/vmalloc.c:677 vm_unmap_aliases+0x635/0x6d0 mm/vmalloc.c:1109 change_page_attr_set_clr+0x587/0x1dd0 arch/x86/mm/pageattr.c:1473 change_page_attr_clear arch/x86/mm/pageattr.c:1533 [inline] set_memory_ro+0xcc/0x100 arch/x86/mm/pageattr.c:1762 bpf_jit_binary_lock_ro include/linux/filter.h:690 [inline] bpf_int_jit_compile+0x80b3/0x8590 arch/x86/net/bpf_jit_comp.c:1168 bpf_prog_select_runtime+0x953/0x9f0 kernel/bpf/core.c:1498 bpf_prog_load kernel/bpf/syscall.c:1358 [inline] __do_sys_bpf+0xc8cd/0xe570 kernel/bpf/syscall.c:2307 __se_sys_bpf kernel/bpf/syscall.c:2269 [inline] __x64_sys_bpf+0xda/0x110 kernel/bpf/syscall.c:2269 do_syscall_64+0x15b/0x220 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x63/0xe7 RIP: 0033:0x457089 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:00007f7c9bcc9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f7c9bcca6d4 RCX: 0000000000457089 RDX: 0000000000000016 RSI: 0000000020000100 RDI: 0000000000000005 RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004cb3c8 R14: 00000000004c306d 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: 9702 Comm: syz-executor1 Not tainted 4.18.0-rc8+ #34 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:fffffe0000049ea8 EFLAGS: 00010046 RAX: 0000000000000200 RBX: 0000000000000001 RCX: 00000000c0000101 RDX: 00000000ffff8802 RSI: ffffffff88c0136c RDI: ffffffff7fffffff RBP: fffffe0000049ef9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 000000011c452000 R15: 0000000000000000 FS: 00007fce6a1b9700(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000a40028 CR3: 000000011c452000 CR4: 00000000001406e0 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 f06870b7c5575307 ]--- 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:fffffe0000049ea8 EFLAGS: 00010046 RAX: 0000000000000200 RBX: 0000000000000001 RCX: 00000000c0000101 RDX: 00000000ffff8802 RSI: ffffffff88c0136c RDI: ffffffff7fffffff RBP: fffffe0000049ef9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 000000011c452000 R15: 0000000000000000 FS: 00007fce6a1b9700(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000a40028 CR3: 000000011c452000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400