libceph: parse_ips bad ip '0,file' INFO: task syz-executor0:9483 blocked for more than 140 seconds. Not tainted 4.18.0-rc5-next-20180720+ #12 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor0 D25408 9483 4482 0x00000004 Call Trace: context_switch kernel/sched/core.c:2821 [inline] __schedule+0x87c/0x1ea0 kernel/sched/core.c:3469 schedule+0xfb/0x450 kernel/sched/core.c:3513 __rwsem_down_write_failed_common+0x95d/0x1630 kernel/locking/rwsem-xadd.c:566 rwsem_down_write_failed+0xe/0x10 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+0xaa/0x130 kernel/locking/rwsem.c:72 inode_lock include/linux/fs.h:752 [inline] generic_file_write_iter+0xed/0x870 mm/filemap.c:3200 call_write_iter include/linux/fs.h:1826 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x6af/0x9d0 fs/read_write.c:487 vfs_write+0x1fc/0x560 fs/read_write.c:549 ksys_write+0x101/0x260 fs/read_write.c:598 __do_sys_write fs/read_write.c:610 [inline] __se_sys_write fs/read_write.c:607 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:607 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe 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:00007fea09c1ec68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fea09c1f6d4 RCX: 0000000000455ab9 RDX: 0000000000000009 RSI: 0000000020000280 RDI: 0000000000000014 RBP: 000000000072bf48 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004c2cae R14: 00000000004d4cc8 R15: 0000000000000001 INFO: task syz-executor0:9492 blocked for more than 140 seconds. Not tainted 4.18.0-rc5-next-20180720+ #12 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor0 D22976 9492 4482 0x00000004 Call Trace: context_switch kernel/sched/core.c:2821 [inline] __schedule+0x87c/0x1ea0 kernel/sched/core.c:3469 schedule+0xfb/0x450 kernel/sched/core.c:3513 schedule_preempt_disabled+0x10/0x20 kernel/sched/core.c:3571 __mutex_lock_common kernel/locking/mutex.c:1003 [inline] __mutex_lock+0xbf5/0x1680 kernel/locking/mutex.c:1073 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1088 __fdget_pos+0x1bb/0x200 fs/file.c:766 fdget_pos include/linux/file.h:70 [inline] ksys_write+0x7f/0x260 fs/read_write.c:593 __do_sys_write fs/read_write.c:610 [inline] __se_sys_write fs/read_write.c:607 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:607 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe 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:00007fea09bfdc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fea09bfe6d4 RCX: 0000000000455ab9 RDX: fffffffffffffdd9 RSI: 00000000200006c0 RDI: 0000000000000014 RBP: 000000000072bff0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004c2cae R14: 00000000004d4cc8 R15: 0000000000000002 INFO: task syz-executor0:9496 blocked for more than 140 seconds. Not tainted 4.18.0-rc5-next-20180720+ #12 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor0 D24872 9496 4482 0x00000004 Call Trace: context_switch kernel/sched/core.c:2821 [inline] __schedule+0x87c/0x1ea0 kernel/sched/core.c:3469 schedule+0xfb/0x450 kernel/sched/core.c:3513 __rwsem_down_write_failed_common+0x95d/0x1630 kernel/locking/rwsem-xadd.c:566 rwsem_down_write_failed+0xe/0x10 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+0xaa/0x130 kernel/locking/rwsem.c:72 inode_lock include/linux/fs.h:752 [inline] do_last fs/namei.c:3321 [inline] path_openat+0x15b8/0x5300 fs/namei.c:3534 do_filp_open+0x255/0x380 fs/namei.c:3564 do_sys_open+0x584/0x720 fs/open.c:1063 __do_sys_open fs/open.c:1081 [inline] __se_sys_open fs/open.c:1076 [inline] __x64_sys_open+0x7e/0xc0 fs/open.c:1076 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe 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:00007fea09bdcc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fea09bdd6d4 RCX: 0000000000455ab9 RDX: 0000000000000000 RSI: 000000000003fffa RDI: 0000000020000080 RBP: 000000000072c098 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004eb67f R14: 00000000004d0180 R15: 0000000000000003 INFO: task syz-executor0:9498 blocked for more than 140 seconds. Not tainted 4.18.0-rc5-next-20180720+ #12 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor0 D25408 9498 4482 0x00000004 Call Trace: context_switch kernel/sched/core.c:2821 [inline] __schedule+0x87c/0x1ea0 kernel/sched/core.c:3469 schedule+0xfb/0x450 kernel/sched/core.c:3513 __rwsem_down_write_failed_common+0x95d/0x1630 kernel/locking/rwsem-xadd.c:566 rwsem_down_write_failed+0xe/0x10 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_nested+0xae/0x130 kernel/locking/rwsem.c:194 inode_lock_nested include/linux/fs.h:792 [inline] lock_rename+0x236/0x290 fs/namei.c:2862 do_renameat2+0x69e/0x1120 fs/namei.c:4577 __do_sys_rename fs/namei.c:4673 [inline] __se_sys_rename fs/namei.c:4671 [inline] __x64_sys_rename+0x5e/0x80 fs/namei.c:4671 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe 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:00007fea09bbbc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007fea09bbc6d4 RCX: 0000000000455ab9 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000020000080 RBP: 000000000072c140 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004c0b2a R14: 00000000004d0f60 R15: 0000000000000004 INFO: task syz-executor0:9500 blocked for more than 140 seconds. Not tainted 4.18.0-rc5-next-20180720+ #12 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor0 D26784 9500 4482 0x00000004 Call Trace: context_switch kernel/sched/core.c:2821 [inline] __schedule+0x87c/0x1ea0 kernel/sched/core.c:3469 schedule+0xfb/0x450 kernel/sched/core.c:3513 schedule_preempt_disabled+0x10/0x20 kernel/sched/core.c:3571 __mutex_lock_common kernel/locking/mutex.c:1003 [inline] __mutex_lock+0xbf5/0x1680 kernel/locking/mutex.c:1073 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1088 __fdget_pos+0x1bb/0x200 fs/file.c:766 fdget_pos include/linux/file.h:70 [inline] ksys_write+0x7f/0x260 fs/read_write.c:593 __do_sys_write fs/read_write.c:610 [inline] __se_sys_write fs/read_write.c:607 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:607 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe 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:00007fea09b79c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fea09b7a6d4 RCX: 0000000000455ab9 RDX: 0000000000000009 RSI: 0000000020000280 RDI: 0000000000000014 RBP: 000000000072c290 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004c2cae R14: 00000000004d4cc8 R15: 0000000000000006 INFO: lockdep is turned off. NMI backtrace for cpu 1 CPU: 1 PID: 902 Comm: khungtaskd Not tainted 4.18.0-rc5-next-20180720+ #12 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+0x1c9/0x2b4 lib/dump_stack.c:113 nmi_cpu_backtrace.cold.3+0x48/0x88 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x151/0x192 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_all_cpu_backtrace include/linux/nmi.h:144 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:204 [inline] watchdog+0xb39/0x10b0 kernel/hung_task.c:265 kthread+0x345/0x410 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 1 to CPUs 0: INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.439 msecs NMI backtrace for cpu 0 CPU: 0 PID: 9425 Comm: syz-executor0 Not tainted 4.18.0-rc5-next-20180720+ #12 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x0/0x20 kernel/kcov.c:190 Code: ff ff 5d c3 66 0f 1f 44 00 00 55 89 f2 89 fe bf 05 00 00 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 <55> 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 e8 48 fe RSP: 0018:ffff8801998ce388 EFLAGS: 00000246 RAX: 0000000000000002 RBX: ffff8801998ce5b0 RCX: 1ffff10033319cb7 RDX: dffffc0000000000 RSI: 0000000000000002 RDI: 0000000000000002 RBP: ffff8801998ce4a8 R08: ffff8801c6ad4180 R09: 0000000000000000 R10: fffff94000e0343e R11: ffffea000701a1f7 R12: 1ffff10033319c74 R13: ffff8801a79578c2 R14: ffff8801a79578c2 R15: ffff8801998ce5c8 FS: 00007fea09c40700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600400 CR3: 00000001bd31b000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: xas_load+0x21/0x1e0 lib/xarray.c:203 find_get_entry+0x3c4/0x1120 mm/filemap.c:1415 pagecache_get_page+0x11e/0xe40 mm/filemap.c:1518 find_get_page_flags include/linux/pagemap.h:278 [inline] __find_get_block_slow fs/buffer.c:206 [inline] __find_get_block+0x5ef/0xe60 fs/buffer.c:1295 __getblk_slow fs/buffer.c:1040 [inline] __getblk_gfp+0x2be/0xb10 fs/buffer.c:1321 __bread_gfp+0x2d/0x310 fs/buffer.c:1355 sb_bread include/linux/buffer_head.h:307 [inline] fat__get_entry+0x59c/0xa30 fs/fat/dir.c:101 fat_get_entry fs/fat/dir.c:129 [inline] fat_get_short_entry+0x13c/0x2c0 fs/fat/dir.c:876 fat_scan+0x111/0x340 fs/fat/dir.c:961 vfat_find_form+0x7f/0x120 fs/fat/namei_vfat.c:238 vfat_create_shortname fs/fat/namei_vfat.c:447 [inline] vfat_build_slots fs/fat/namei_vfat.c:610 [inline] vfat_add_entry+0x39e0/0x4be0 fs/fat/namei_vfat.c:671 vfat_rename+0xf72/0x15b0 fs/fat/namei_vfat.c:937 vfs_rename+0x7de/0x1a60 fs/namei.c:4477 do_renameat2+0xe70/0x1120 fs/namei.c:4627 __do_sys_rename fs/namei.c:4673 [inline] __se_sys_rename fs/namei.c:4671 [inline] __x64_sys_rename+0x5e/0x80 fs/namei.c:4671 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455ab9 Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fea09c3fc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007fea09c406d4 RCX: 0000000000455ab9 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000020000080 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004c0b2a R14: 00000000004d0f60 R15: 0000000000000000