device lo entered promiscuous mode device lo left promiscuous mode ip6_tunnel:  xmit: Local address not yet configured! INFO: task syz-executor1:26069 blocked for more than 140 seconds. Not tainted 4.18.0-rc5+ #29 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor1 D59344 26069 4597 0x00000004 Call Trace: context_switch kernel/sched/core.c:2857 [inline] __schedule+0x652/0x780 kernel/sched/core.c:3507 schedule+0x1cc/0x300 kernel/sched/core.c:3551 d_wait_lookup fs/dcache.c:2455 [inline] d_alloc_parallel+0x1426/0x2470 fs/dcache.c:2537 __lookup_slow+0x190/0x770 fs/namei.c:1613 lookup_slow fs/namei.c:1647 [inline] walk_component+0x35c/0xbf0 fs/namei.c:1769 lookup_last fs/namei.c:2237 [inline] path_lookupat+0x3c4/0x1180 fs/namei.c:2287 filename_lookup+0x308/0xc00 fs/namei.c:2321 user_path_at_empty+0x123/0x140 fs/namei.c:2584 user_path_at include/linux/namei.h:57 [inline] vfs_statx fs/stat.c:185 [inline] vfs_lstat include/linux/fs.h:3106 [inline] __do_sys_newlstat fs/stat.c:350 [inline] __se_sys_newlstat+0xf0/0x370 fs/stat.c:344 __x64_sys_newlstat+0x92/0xc0 fs/stat.c:344 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x63/0xe7 RIP: 0033:0x455ab9 Code: e0 1f 48 89 04 24 e8 b6 6f fd ff e8 81 6a fd ff e8 5c 68 fd ff 48 8d 05 23 cd 48 00 48 89 04 24 48 c7 44 24 08 1d 00 00 00 e8 <13> 5e fd ff 0f 0b e8 8c 44 00 00 e9 07 f0 ff ff cc cc cc cc cc cc RSP: 002b:00007f506c1c6c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000006 RAX: ffffffffffffffda RBX: 00007f506c1c76d4 RCX: 0000000000455ab9 RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000020000000 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004c00fa R14: 00000000004cfbf8 R15: 0000000000000000 INFO: task syz-executor1:26116 blocked for more than 140 seconds. Not tainted 4.18.0-rc5+ #29 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor1 D60792 26116 4597 0x00000004 Call Trace: context_switch kernel/sched/core.c:2857 [inline] __schedule+0x652/0x780 kernel/sched/core.c:3507 schedule+0x1cc/0x300 kernel/sched/core.c:3551 request_wait_answer fs/fuse/dev.c:463 [inline] __fuse_request_send+0x105a/0x1a90 fs/fuse/dev.c:483 fuse_request_send fs/fuse/dev.c:496 [inline] fuse_simple_request+0x9cc/0xc10 fs/fuse/dev.c:554 fuse_lookup_name+0x472/0xc80 fs/fuse/dir.c:323 fuse_lookup+0x193/0x810 fs/fuse/dir.c:360 __lookup_slow+0x59d/0x770 fs/namei.c:1630 lookup_slow fs/namei.c:1647 [inline] walk_component+0x35c/0xbf0 fs/namei.c:1769 lookup_last fs/namei.c:2237 [inline] path_lookupat+0x3c4/0x1180 fs/namei.c:2287 filename_lookup+0x308/0xc00 fs/namei.c:2321 user_path_at_empty+0x123/0x140 fs/namei.c:2584 user_path_at include/linux/namei.h:57 [inline] vfs_statx fs/stat.c:185 [inline] vfs_lstat include/linux/fs.h:3106 [inline] __do_sys_newlstat fs/stat.c:350 [inline] __se_sys_newlstat+0xf0/0x370 fs/stat.c:344 __x64_sys_newlstat+0x92/0xc0 fs/stat.c:344 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x63/0xe7 RIP: 0033:0x455ab9 Code: e0 1f 48 89 04 24 e8 b6 6f fd ff e8 81 6a fd ff e8 5c 68 fd ff 48 8d 05 23 cd 48 00 48 89 04 24 48 c7 44 24 08 1d 00 00 00 e8 <13> 5e fd ff 0f 0b e8 8c 44 00 00 e9 07 f0 ff ff cc cc cc cc cc cc RSP: 002b:00007f506c1a5c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000006 RAX: ffffffffffffffda RBX: 00007f506c1a66d4 RCX: 0000000000455ab9 RDX: 0000000000000000 RSI: 0000000020003ec0 RDI: 0000000020003e80 RBP: 000000000072bf48 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004c00fa R14: 00000000004cfbf8 R15: 0000000000000001 INFO: task syz-executor1:26121 blocked for more than 140 seconds. Not tainted 4.18.0-rc5+ #29 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor1 D61368 26121 4597 0x00000004 Call Trace: context_switch kernel/sched/core.c:2857 [inline] __schedule+0x652/0x780 kernel/sched/core.c:3507 schedule+0x1cc/0x300 kernel/sched/core.c:3551 d_wait_lookup fs/dcache.c:2455 [inline] d_alloc_parallel+0x1426/0x2470 fs/dcache.c:2537 __lookup_slow+0x190/0x770 fs/namei.c:1613 lookup_slow fs/namei.c:1647 [inline] walk_component+0x35c/0xbf0 fs/namei.c:1769 lookup_last fs/namei.c:2237 [inline] path_lookupat+0x3c4/0x1180 fs/namei.c:2287 filename_lookup+0x308/0xc00 fs/namei.c:2321 user_path_at_empty+0x123/0x140 fs/namei.c:2584 user_path_at include/linux/namei.h:57 [inline] vfs_statx fs/stat.c:185 [inline] vfs_stat include/linux/fs.h:3101 [inline] __do_sys_newstat fs/stat.c:337 [inline] __se_sys_newstat+0xf3/0x390 fs/stat.c:333 __x64_sys_newstat+0x92/0xc0 fs/stat.c:333 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x63/0xe7 RIP: 0033:0x455ab9 Code: e0 1f 48 89 04 24 e8 b6 6f fd ff e8 81 6a fd ff e8 5c 68 fd ff 48 8d 05 23 cd 48 00 48 89 04 24 48 c7 44 24 08 1d 00 00 00 e8 <13> 5e fd ff 0f 0b e8 8c 44 00 00 e9 07 f0 ff ff cc cc cc cc cc cc RSP: 002b:00007f506c184c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 RAX: ffffffffffffffda RBX: 00007f506c1856d4 RCX: 0000000000455ab9 RDX: 0000000000000000 RSI: 0000000020006000 RDI: 0000000020003fc0 RBP: 000000000072bff0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004d9b1b R14: 00000000004d39a8 R15: 0000000000000002 INFO: task syz-executor1:26123 blocked for more than 140 seconds. Not tainted 4.18.0-rc5+ #29 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor1 D61368 26123 4597 0x00000004 Call Trace: context_switch kernel/sched/core.c:2857 [inline] __schedule+0x652/0x780 kernel/sched/core.c:3507 schedule+0x1cc/0x300 kernel/sched/core.c:3551 d_wait_lookup fs/dcache.c:2455 [inline] d_alloc_parallel+0x1426/0x2470 fs/dcache.c:2537 __lookup_slow+0x190/0x770 fs/namei.c:1613 lookup_slow fs/namei.c:1647 [inline] walk_component+0x35c/0xbf0 fs/namei.c:1769 lookup_last fs/namei.c:2237 [inline] path_lookupat+0x3c4/0x1180 fs/namei.c:2287 filename_lookup+0x308/0xc00 fs/namei.c:2321 user_path_at_empty+0x123/0x140 fs/namei.c:2584 user_path_at include/linux/namei.h:57 [inline] vfs_statx fs/stat.c:185 [inline] vfs_lstat include/linux/fs.h:3106 [inline] __do_sys_newlstat fs/stat.c:350 [inline] __se_sys_newlstat+0xf0/0x370 fs/stat.c:344 __x64_sys_newlstat+0x92/0xc0 fs/stat.c:344 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x63/0xe7 RIP: 0033:0x455ab9 Code: e0 1f 48 89 04 24 e8 b6 6f fd ff e8 81 6a fd ff e8 5c 68 fd ff 48 8d 05 23 cd 48 00 48 89 04 24 48 c7 44 24 08 1d 00 00 00 e8 <13> 5e fd ff 0f 0b e8 8c 44 00 00 e9 07 f0 ff ff cc cc cc cc cc cc RSP: 002b:00007f506c163c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000006 RAX: ffffffffffffffda RBX: 00007f506c1646d4 RCX: 0000000000455ab9 RDX: 0000000000000000 RSI: 00000000200060c0 RDI: 0000000020006080 RBP: 000000000072c098 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004c00fa R14: 00000000004cfbf8 R15: 0000000000000003 INFO: task syz-executor1:26124 blocked for more than 140 seconds. Not tainted 4.18.0-rc5+ #29 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor1 D59344 26124 4597 0x00000004 Call Trace: context_switch kernel/sched/core.c:2857 [inline] __schedule+0x652/0x780 kernel/sched/core.c:3507 schedule+0x1cc/0x300 kernel/sched/core.c:3551 __rwsem_down_write_failed_common+0x807/0x1480 kernel/locking/rwsem-xadd.c:566 rwsem_down_write_failed+0x2c/0x30 kernel/locking/rwsem-xadd.c:595 call_rwsem_down_write_failed+0x17/0x30 arch/x86/lib/rwsem.S:117 __down_write arch/x86/include/asm/rwsem.h:142 [inline] down_write+0x5e/0xc0 kernel/locking/rwsem.c:72 inode_lock include/linux/fs.h:715 [inline] lock_mount+0xd2/0x900 fs/namespace.c:2088 do_add_mount+0x7e/0x770 fs/namespace.c:2465 do_new_mount fs/namespace.c:2532 [inline] do_mount+0x2b82/0x5310 fs/namespace.c:2848 ksys_mount+0x32e/0x3d0 fs/namespace.c:3064 __do_sys_mount fs/namespace.c:3078 [inline] __se_sys_mount fs/namespace.c:3075 [inline] __x64_sys_mount+0x157/0x1c0 fs/namespace.c:3075 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x63/0xe7 RIP: 0033:0x455ab9 Code: e0 1f 48 89 04 24 e8 b6 6f fd ff e8 81 6a fd ff e8 5c 68 fd ff 48 8d 05 23 cd 48 00 48 89 04 24 48 c7 44 24 08 1d 00 00 00 e8 <13> 5e fd ff 0f 0b e8 8c 44 00 00 e9 07 f0 ff ff cc cc cc cc cc cc RSP: 002b:00007f506c142c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f506c1436d4 RCX: 0000000000455ab9 RDX: 0000000020000300 RSI: 0000000020000200 RDI: 0000000000000000 RBP: 000000000072c140 R08: 0000000020000400 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004c025d R14: 00000000004cfef8 R15: 0000000000000004 INFO: task syz-executor1:26125 blocked for more than 140 seconds. Not tainted 4.18.0-rc5+ #29 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor1 D61368 26125 4597 0x00000004 Call Trace: context_switch kernel/sched/core.c:2857 [inline] __schedule+0x652/0x780 kernel/sched/core.c:3507 schedule+0x1cc/0x300 kernel/sched/core.c:3551 d_wait_lookup fs/dcache.c:2455 [inline] d_alloc_parallel+0x1426/0x2470 fs/dcache.c:2537 __lookup_slow+0x190/0x770 fs/namei.c:1613 lookup_slow fs/namei.c:1647 [inline] walk_component+0x35c/0xbf0 fs/namei.c:1769 lookup_last fs/namei.c:2237 [inline] path_lookupat+0x3c4/0x1180 fs/namei.c:2287 filename_lookup+0x308/0xc00 fs/namei.c:2321 user_path_at_empty+0x123/0x140 fs/namei.c:2584 user_path_at include/linux/namei.h:57 [inline] vfs_statx fs/stat.c:185 [inline] vfs_lstat include/linux/fs.h:3106 [inline] __do_sys_newlstat fs/stat.c:350 [inline] __se_sys_newlstat+0xf0/0x370 fs/stat.c:344 __x64_sys_newlstat+0x92/0xc0 fs/stat.c:344 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x63/0xe7 RIP: 0033:0x455ab9 Code: e0 1f 48 89 04 24 e8 b6 6f fd ff e8 81 6a fd ff e8 5c 68 fd ff 48 8d 05 23 cd 48 00 48 89 04 24 48 c7 44 24 08 1d 00 00 00 e8 <13> 5e fd ff 0f 0b e8 8c 44 00 00 e9 07 f0 ff ff cc cc cc cc cc cc RSP: 002b:00007f506c121c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000006 RAX: ffffffffffffffda RBX: 00007f506c1226d4 RCX: 0000000000455ab9 RDX: 0000000000000000 RSI: 0000000020006340 RDI: 0000000020006300 RBP: 000000000072c1e8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004c00fa R14: 00000000004cfbf8 R15: 0000000000000005 INFO: task syz-executor1:26126 blocked for more than 140 seconds. Not tainted 4.18.0-rc5+ #29 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor1 D61368 26126 4597 0x00000004 Call Trace: context_switch kernel/sched/core.c:2857 [inline] __schedule+0x652/0x780 kernel/sched/core.c:3507 schedule+0x1cc/0x300 kernel/sched/core.c:3551 d_wait_lookup fs/dcache.c:2455 [inline] d_alloc_parallel+0x1426/0x2470 fs/dcache.c:2537 __lookup_slow+0x190/0x770 fs/namei.c:1613 lookup_slow fs/namei.c:1647 [inline] walk_component+0x35c/0xbf0 fs/namei.c:1769 lookup_last fs/namei.c:2237 [inline] path_lookupat+0x3c4/0x1180 fs/namei.c:2287 filename_lookup+0x308/0xc00 fs/namei.c:2321 user_path_at_empty+0x123/0x140 fs/namei.c:2584 user_path_at include/linux/namei.h:57 [inline] vfs_statx fs/stat.c:185 [inline] vfs_stat include/linux/fs.h:3101 [inline] __do_sys_newstat fs/stat.c:337 [inline] __se_sys_newstat+0xf3/0x390 fs/stat.c:333 __x64_sys_newstat+0x92/0xc0 fs/stat.c:333 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x63/0xe7 RIP: 0033:0x455ab9 Code: e0 1f 48 89 04 24 e8 b6 6f fd ff e8 81 6a fd ff e8 5c 68 fd ff 48 8d 05 23 cd 48 00 48 89 04 24 48 c7 44 24 08 1d 00 00 00 e8 <13> 5e fd ff 0f 0b e8 8c 44 00 00 e9 07 f0 ff ff cc cc cc cc cc cc RSP: 002b:00007f506c100c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 RAX: ffffffffffffffda RBX: 00007f506c1016d4 RCX: 0000000000455ab9 RDX: 0000000000000000 RSI: 0000000020006440 RDI: 0000000020006400 RBP: 000000000072c290 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004d9b1b R14: 00000000004d39a8 R15: 0000000000000006 INFO: task syz-executor1:26127 blocked for more than 140 seconds. Not tainted 4.18.0-rc5+ #29 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor1 D61368 26127 4597 0x00000004 Call Trace: context_switch kernel/sched/core.c:2857 [inline] __schedule+0x652/0x780 kernel/sched/core.c:3507 schedule+0x1cc/0x300 kernel/sched/core.c:3551 d_wait_lookup fs/dcache.c:2455 [inline] d_alloc_parallel+0x1426/0x2470 fs/dcache.c:2537 __lookup_slow+0x190/0x770 fs/namei.c:1613 lookup_slow fs/namei.c:1647 [inline] walk_component+0x35c/0xbf0 fs/namei.c:1769 lookup_last fs/namei.c:2237 [inline] path_lookupat+0x3c4/0x1180 fs/namei.c:2287 filename_lookup+0x308/0xc00 fs/namei.c:2321 user_path_at_empty+0x123/0x140 fs/namei.c:2584 user_path_at include/linux/namei.h:57 [inline] vfs_statx fs/stat.c:185 [inline] vfs_lstat include/linux/fs.h:3106 [inline] __do_sys_newlstat fs/stat.c:350 [inline] __se_sys_newlstat+0xf0/0x370 fs/stat.c:344 __x64_sys_newlstat+0x92/0xc0 fs/stat.c:344 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x63/0xe7 RIP: 0033:0x455ab9 Code: e0 1f 48 89 04 24 e8 b6 6f fd ff e8 81 6a fd ff e8 5c 68 fd ff 48 8d 05 23 cd 48 00 48 89 04 24 48 c7 44 24 08 1d 00 00 00 e8 <13> 5e fd ff 0f 0b e8 8c 44 00 00 e9 07 f0 ff ff cc cc cc cc cc cc RSP: 002b:00007f506c0dfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000006 RAX: ffffffffffffffda RBX: 00007f506c0e06d4 RCX: 0000000000455ab9 RDX: 0000000000000000 RSI: 000000002000a240 RDI: 000000002000a200 RBP: 000000000072c338 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004c00fa R14: 00000000004cfbf8 R15: 0000000000000007 INFO: task syz-executor1:26129 blocked for more than 140 seconds. Not tainted 4.18.0-rc5+ #29 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor1 D60760 26129 4597 0x00000004 Call Trace: context_switch kernel/sched/core.c:2857 [inline] __schedule+0x652/0x780 kernel/sched/core.c:3507 schedule+0x1cc/0x300 kernel/sched/core.c:3551 request_wait_answer fs/fuse/dev.c:463 [inline] __fuse_request_send+0x105a/0x1a90 fs/fuse/dev.c:483 fuse_request_send fs/fuse/dev.c:496 [inline] fuse_simple_request+0x9cc/0xc10 fs/fuse/dev.c:554 fuse_send_open fs/fuse/file.c:42 [inline] fuse_do_open+0x4bf/0xae0 fs/fuse/file.c:133 fuse_open_common+0x32c/0x440 fs/fuse/file.c:213 fuse_dir_open+0x70/0x80 fs/fuse/dir.c:1428 do_dentry_open+0xccc/0x1440 fs/open.c:794 vfs_open+0x1b6/0x2f0 fs/open.c:908 do_last fs/namei.c:3399 [inline] path_openat+0x49c0/0x69c0 fs/namei.c:3540 do_filp_open+0x2c1/0x740 fs/namei.c:3574 do_sys_open+0x643/0x990 fs/open.c:1101 __do_sys_open fs/open.c:1119 [inline] __se_sys_open fs/open.c:1114 [inline] __x64_sys_open+0xf2/0x130 fs/open.c:1114 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x63/0xe7 RIP: 0033:0x455ab9 Code: e0 1f 48 89 04 24 e8 b6 6f fd ff e8 81 6a fd ff e8 5c 68 fd ff 48 8d 05 23 cd 48 00 48 89 04 24 48 c7 44 24 08 1d 00 00 00 e8 <13> 5e fd ff 0f 0b e8 8c 44 00 00 e9 07 f0 ff ff cc cc cc cc cc cc RSP: 002b:00007f506c0bec68 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f506c0bf6d4 RCX: 0000000000455ab9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 RBP: 000000000072c3e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004c0384 R14: 00000000004d0198 R15: 0000000000000008 INFO: task syz-executor1:26139 blocked for more than 140 seconds. Not tainted 4.18.0-rc5+ #29 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor1 D62000 26139 4597 0x00000004 Call Trace: context_switch kernel/sched/core.c:2857 [inline] __schedule+0x652/0x780 kernel/sched/core.c:3507 schedule+0x1cc/0x300 kernel/sched/core.c:3551 __rwsem_down_read_failed_common+0x5b7/0xba0 kernel/locking/rwsem-xadd.c:269 rwsem_down_read_failed+0x2c/0x30 kernel/locking/rwsem-xadd.c:286 call_rwsem_down_read_failed+0x18/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] down_read+0x53/0x100 kernel/locking/rwsem.c:26 inode_lock_shared include/linux/fs.h:725 [inline] lookup_slow fs/namei.c:1646 [inline] walk_component+0x309/0xbf0 fs/namei.c:1769 lookup_last fs/namei.c:2237 [inline] path_lookupat+0x3c4/0x1180 fs/namei.c:2287 filename_lookup+0x308/0xc00 fs/namei.c:2321 user_path_at_empty+0x123/0x140 fs/namei.c:2584 user_path_at include/linux/namei.h:57 [inline] vfs_statx fs/stat.c:185 [inline] vfs_lstat include/linux/fs.h:3106 [inline] __do_sys_newlstat fs/stat.c:350 [inline] __se_sys_newlstat+0xf0/0x370 fs/stat.c:344 __x64_sys_newlstat+0x92/0xc0 fs/stat.c:344 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x63/0xe7 RIP: 0033:0x455ab9 Code: e0 1f 48 89 04 24 e8 b6 6f fd ff e8 81 6a fd ff e8 5c 68 fd ff 48 8d 05 23 cd 48 00 48 89 04 24 48 c7 44 24 08 1d 00 00 00 e8 <13> 5e fd ff 0f 0b e8 8c 44 00 00 e9 07 f0 ff ff cc cc cc cc cc cc RSP: 002b:00007f506c07cc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000006 RAX: ffffffffffffffda RBX: 00007f506c07d6d4 RCX: 0000000000455ab9 RDX: 0000000000000000 RSI: 0000000020003ec0 RDI: 0000000020003e80 RBP: 000000000072c530 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004c00fa R14: 00000000004cfbf8 R15: 000000000000000a NMI backtrace for cpu 1 CPU: 1 PID: 808 Comm: khungtaskd Not tainted 4.18.0-rc5+ #29 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x185/0x1e0 lib/dump_stack.c:113 nmi_cpu_backtrace lib/nmi_backtrace.c:103 [inline] nmi_trigger_cpumask_backtrace+0x26f/0x4e0 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x2c/0x40 arch/x86/kernel/apic/hw_nmi.c:38 trigger_all_cpu_backtrace+0x2b/0x30 include/linux/nmi.h:138 check_hung_uninterruptible_tasks kernel/hung_task.c:196 [inline] watchdog+0x1107/0x1130 kernel/hung_task.c:252 kthread+0x473/0x4b0 kernel/kthread.c:247 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:415 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: 0 Comm: swapper/0 Not tainted 4.18.0-rc5+ #29 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: 0000000080000000 RBX: 0000000000000001 RCX: 00000000c0000101 RDX: 00000000ffff8802 RSI: ffffffff8a40136c RDI: ffffea0000439620 RBP: fffffe000000eef9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 00000001c1c1a000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600400 CR3: 00000001c1c1a000 CR4: 00000000001406f0 DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000020000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: Modules linked in: Dumping ftrace buffer: (ftrace buffer empty) ---[ end trace 0e9c3b8e495a5079 ]--- 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: 0000000080000000 RBX: 0000000000000001 RCX: 00000000c0000101 RDX: 00000000ffff8802 RSI: ffffffff8a40136c RDI: ffffea0000439620 RBP: fffffe000000eef9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 00000001c1c1a000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600400 CR3: 00000001c1c1a000 CR4: 00000000001406f0 DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000020000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600