watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor7:7616]
Modules linked in:
CPU: 0 PID: 7616 Comm: syz-executor7 Not tainted 4.18.0-rc8+ #34
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:msan_get_shadow_origin_ptr+0x267/0x2e0 mm/kmsan/kmsan_instr.c:320
Code: d8 4d 0f 45 f4 e8 49 11 4c ff 48 8b 45 c8 48 89 45 b8 ff 75 b8 9d 4c 89 f0 48 89 da 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d <c3> 48 b9 ff ff ff 7f ff ff ff ff 49 39 cf 76 0a 48 8b 0c 25 10 60 
RSP: 0018:ffff880129cdf7a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: ffff880129cef838 RBX: 0000000000000003 RCX: ffff880129cff838
RDX: ffff880129cff838 RSI: aaaaaaaaaaaab000 RDI: ffffea0006fad3a0
RBP: ffff880129cdf7b0 R08: 0000000000000000 R09: 0000000000000002
R10: 0000000000000000 R11: ffffffff81174df0 R12: ffff880129cdf838
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88012fe3e178
FS:  00000000025ca940(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5534461db8 CR3: 0000000129c9c000 CR4: 00000000001406f0
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+0x373/0x4e0 kernel/smp.c:302
 smp_call_function_many+0x658/0xdb0 kernel/smp.c:434
 on_each_cpu_mask kernel/smp.c:632 [inline]
 on_each_cpu_cond+0x322/0x3f0 kernel/smp.c:684
 invalidate_bh_lrus+0x54/0x60 fs/buffer.c:1392
 kill_bdev fs/block_dev.c:85 [inline]
 __blkdev_put+0x3bf/0xcb0 fs/block_dev.c:1788
 blkdev_put+0x431/0x560 fs/block_dev.c:1856
 blkdev_close+0xa6/0xf0 fs/block_dev.c:1863
 __fput+0x458/0xa30 fs/file_table.c:209
 ____fput+0x37/0x40 fs/file_table.c:243
 task_work_run+0x22e/0x2b0 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:192 [inline]
 exit_to_usermode_loop arch/x86/entry/common.c:166 [inline]
 prepare_exit_to_usermode+0x339/0x410 arch/x86/entry/common.c:197
 syscall_return_slowpath+0xdb/0x700 arch/x86/entry/common.c:268
 do_syscall_64+0x1ab/0x220 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x63/0xe7
RIP: 0033:0x410c41
Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 34 19 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 
RSP: 002b:0000000000a3fdc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000410c41
RDX: 0000000000000002 RSI: 0000000000731590 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000140 R09: ffffffffffffffff
R10: 00000000009301e0 R11: 0000000000000293 R12: 0000000000000005
R13: 0000000000035032 R14: 000000000000001a R15: badc0ffeebadface
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: 7597 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: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: 00000001ab47e000 R15: 0000000000000000
FS:  00007f9362ec8700(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cc21000 CR3: 00000001ab47e000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
---[ end trace b387ece535aac485 ]---
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: 00000001ab47e000 R15: 0000000000000000
FS:  00007f9362ec8700(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cc21000 CR3: 00000001ab47e000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400