kernel msg: ebtables bug: please report to author: Wrong len argument watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [blkid:7969] Modules linked in: CPU: 1 PID: 7969 Comm: blkid 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:ffff88010880f790 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: ffffea0006330ba0 RBX: ffffffff8a544000 RCX: 000000000000087c RDX: 0000000000000420 RSI: 0000000000000000 RDI: ffffea00063305a0 RBP: ffff88010880f7e0 R08: 0000000000000000 R09: 0000000000000002 R10: 0000000000000000 R11: ffffffff81179950 R12: 0000000000000004 R13: 0000000000000878 R14: ffffffff8a543000 R15: ffff88010880f878 FS: 00007fc308ae8740(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffca116ef48 CR3: 00000001bf8e6000 CR4: 00000000001406e0 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 on_each_cpu_mask kernel/smp.c:634 [inline] on_each_cpu_cond+0x322/0x3f0 kernel/smp.c:686 invalidate_bh_lrus+0x54/0x60 fs/buffer.c:1400 kill_bdev fs/block_dev.c:85 [inline] __blkdev_put+0x460/0xc90 fs/block_dev.c:1790 blkdev_put+0x431/0x560 fs/block_dev.c:1858 blkdev_close+0xa6/0xf0 fs/block_dev.c:1865 __fput+0x4cf/0xc20 fs/file_table.c:278 ____fput+0x37/0x40 fs/file_table.c:309 task_work_run+0x22e/0x2b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop arch/x86/entry/common.c:166 [inline] prepare_exit_to_usermode+0x33e/0x410 arch/x86/entry/common.c:197 syscall_return_slowpath+0xdb/0x700 arch/x86/entry/common.c:268 do_syscall_64+0xde/0x100 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x63/0xe7 RIP: 0033:0x7fc3083f02b0 Code: 40 75 0b 31 c0 48 83 c4 08 e9 0c ff ff ff 48 8d 3d c5 32 08 00 e8 c0 07 02 00 83 3d 45 a3 2b 00 00 75 10 b8 03 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 ce 8a 01 00 48 89 04 24 RSP: 002b:00007ffcaa6ef6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc3083f02b0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000028 R09: 0000000001680000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000001543030 R13: 0000000000000000 R14: 0000000000000003 R15: 0000000000000005 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: 7979 Comm: syz-executor1 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: ffff88013ac2b000 RBP: fffffe000000eef9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 00000001c1128000 R15: 0000000000000000 FS: 00007f9492d46700(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f02a9c81518 CR3: 00000001c1128000 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 9c541c1bdad6059c ]--- 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: ffff88013ac2b000 RBP: fffffe000000eef9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 00000001c1128000 R15: 0000000000000000 FS: 00007f9492d46700(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f02a9c81518 CR3: 00000001c1128000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400