watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor7:6941] Modules linked in: CPU: 1 PID: 6941 Comm: syz-executor7 Not tainted 4.19.0-rc1+ #40 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:msan_get_shadow_origin_ptr+0x187/0x2e0 mm/kmsan/kmsan_instr.c:293 Code: 8b 45 c8 48 89 45 b0 ff 75 b0 9d 48 8b 7d d0 48 8b 47 40 48 85 c0 0f 84 da 00 00 00 45 89 fd 41 81 e5 ff 0f 00 00 4b 8d 0c 2c <48> 83 c1 ff 48 81 f9 01 10 00 00 72 21 48 89 7d d0 31 d2 4c 89 ff RSP: 0018:ffff880131c2ee50 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 RAX: ffffea0007236b40 RBX: ffffffff8a544000 RCX: 0000000000000f3c RDX: 00000000000004c0 RSI: 0000000000000000 RDI: ffffea00072a9140 RBP: ffff880131c2eea0 R08: 0000000000000000 R09: 0000000000000002 R10: 0000000000000000 R11: ffffffff81179950 R12: 0000000000000004 R13: 0000000000000f38 R14: ffffffff8a543000 R15: ffff880131c2ef38 FS: 00007eff12db9700(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004d3b10 CR3: 000000012ee68000 CR4: 00000000001406e0 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_kernel_range+0x161/0x1e0 arch/x86/mm/tlb.c:690 __purge_vmap_area_lazy+0x1f7/0x3b0 mm/vmalloc.c:677 vm_unmap_aliases+0x626/0x6d0 mm/vmalloc.c:1109 change_page_attr_set_clr+0x593/0x1e50 arch/x86/mm/pageattr.c:1474 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 bpf_prog_create_from_user+0x68e/0x850 net/core/filter.c:1415 seccomp_prepare_filter kernel/seccomp.c:395 [inline] seccomp_prepare_user_filter kernel/seccomp.c:430 [inline] seccomp_set_mode_filter kernel/seccomp.c:862 [inline] do_seccomp+0xad4/0x2100 kernel/seccomp.c:935 prctl_set_seccomp+0xc0/0xf0 kernel/seccomp.c:983 __do_sys_prctl kernel/sys.c:2346 [inline] __se_sys_prctl+0x7b7/0x3d40 kernel/sys.c:2264 __x64_sys_prctl+0x62/0x80 kernel/sys.c:2264 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:00007eff12db8c78 EFLAGS: 00000246 ORIG_RAX: 000000000000009d RAX: ffffffffffffffda RBX: 00007eff12db96d4 RCX: 0000000000457099 RDX: 0000000020000140 RSI: 0000000000000002 RDI: 0000000000000016 RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004d3b10 R14: 00000000004c865d R15: 0000000000000000 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: 6936 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: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:fffffe000000eea8 EFLAGS: 00010046 RAX: 0000000000000200 RBX: 0000000000000001 RCX: 00000000c0000101 RDX: 00000000ffff8802 RSI: ffffffff8900136c RDI: ffffffff7fffffff RBP: fffffe000000eef9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000131634000 R15: 0000000000000000 FS: 00007f8dfc1b4700(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000400200 CR3: 0000000131634000 CR4: 00000000001406f0 Call Trace: Modules linked in: Dumping ftrace buffer: (ftrace buffer empty) ---[ end trace 06a6dcba1d108db5 ]--- 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:fffffe000000eea8 EFLAGS: 00010046 RAX: 0000000000000200 RBX: 0000000000000001 RCX: 00000000c0000101 RDX: 00000000ffff8802 RSI: ffffffff8900136c RDI: ffffffff7fffffff RBP: fffffe000000eef9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000131634000 R15: 0000000000000000 FS: 00007f8dfc1b4700(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000400200 CR3: 0000000131634000 CR4: 00000000001406f0