ceph: No mds server is up or the cluster is laggy ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task syz-executor.3:14948 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D28168 14948 8119 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:589 [inline] rwsem_down_write_failed+0x3aa/0x760 kernel/locking/rwsem-xadd.c:618 call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:117 __down_write arch/x86/include/asm/rwsem.h:142 [inline] down_write+0x4f/0x90 kernel/locking/rwsem.c:72 inode_lock include/linux/fs.h:748 [inline] lock_mount+0xcc/0x4a0 fs/namespace.c:2075 do_add_mount+0x73/0x560 fs/namespace.c:2439 do_new_mount fs/namespace.c:2506 [inline] do_mount+0x1976/0x2f50 fs/namespace.c:2822 ksys_mount+0xcf/0x130 fs/namespace.c:3038 __do_sys_mount fs/namespace.c:3052 [inline] __se_sys_mount fs/namespace.c:3049 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3049 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fd8f2ff9ae9 Code: Bad RIP value. RSP: 002b:00007fd8f054e188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fd8f310d020 RCX: 00007fd8f2ff9ae9 RDX: 0000000020000280 RSI: 00000000200002c0 RDI: 0000000000000000 RBP: 00007fd8f3053f25 R08: 0000000020001980 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffedbd2f50f R14: 00007fd8f054e300 R15: 0000000000022000 INFO: task syz-executor.3:14949 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D29744 14949 8119 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:589 [inline] rwsem_down_write_failed+0x3aa/0x760 kernel/locking/rwsem-xadd.c:618 call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:117 __down_write arch/x86/include/asm/rwsem.h:142 [inline] down_write+0x4f/0x90 kernel/locking/rwsem.c:72 inode_lock include/linux/fs.h:748 [inline] do_last fs/namei.c:3324 [inline] path_openat+0x1071/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fd8f2ff9ae9 Code: Bad RIP value. RSP: 002b:00007fd8f052d188 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007fd8f310d0e0 RCX: 00007fd8f2ff9ae9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000 RBP: 00007fd8f3053f25 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffedbd2f50f R14: 00007fd8f052d300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 00000000aca819ad (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7798: 2 locks held by syz-executor.3/14915: #0: 000000008da6e28f (sb_writers#24){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 000000008da6e28f (sb_writers#24){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 00000000947901e5 (&sb->s_type->i_mutex_key#30){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #1: 00000000947901e5 (&sb->s_type->i_mutex_key#30){+.+.}, at: do_last fs/namei.c:3324 [inline] #1: 00000000947901e5 (&sb->s_type->i_mutex_key#30){+.+.}, at: path_openat+0x1071/0x2df0 fs/namei.c:3537 1 lock held by syz-executor.3/14948: #0: 00000000947901e5 (&sb->s_type->i_mutex_key#30){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #0: 00000000947901e5 (&sb->s_type->i_mutex_key#30){+.+.}, at: lock_mount+0xcc/0x4a0 fs/namespace.c:2075 2 locks held by syz-executor.3/14949: #0: 000000008da6e28f (sb_writers#24){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 000000008da6e28f (sb_writers#24){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 00000000947901e5 (&sb->s_type->i_mutex_key#30){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #1: 00000000947901e5 (&sb->s_type->i_mutex_key#30){+.+.}, at: do_last fs/namei.c:3324 [inline] #1: 00000000947901e5 (&sb->s_type->i_mutex_key#30){+.+.}, at: path_openat+0x1071/0x2df0 fs/namei.c:3537 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 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+0x1fc/0x2ef lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0x991/0xe60 kernel/hung_task.c:287 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 7799 Comm: rs:main Q:Reg Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 kernel/kcov.c:97 Code: ff 48 89 df e8 11 dd 35 00 e9 ab fe ff ff 4c 89 ef e8 04 dd 35 00 e9 23 fe ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <48> 8b 34 24 65 48 8b 04 25 c0 df 01 00 65 8b 15 cc 59 9f 7e 81 e2 RSP: 0018:ffff888090c2f838 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 00000000006201ca RCX: ffffffff817c11c7 RDX: 0000000000000000 RSI: ffff8880a5332040 RDI: 0000000000000007 RBP: ffffea00022a3740 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000000 R12: 1ffff11012185f0b R13: 0000000000000060 R14: ffffea00022a3748 R15: 0000000000000000 FS: 00007f1082ff3700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f38b08b8000 CR3: 00000000aa9c3000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __SetPageLocked include/linux/page-flags.h:272 [inline] add_to_page_cache_lru+0x14a/0x680 mm/filemap.c:927 pagecache_get_page+0x478/0xd50 mm/filemap.c:1611 grab_cache_page_write_begin+0x6a/0xa0 mm/filemap.c:3120 ext4_da_write_begin+0x2ba/0x10e0 fs/ext4/inode.c:3075 generic_perform_write+0x1f8/0x4d0 mm/filemap.c:3170 __generic_file_write_iter+0x24b/0x610 mm/filemap.c:3295 ext4_file_write_iter+0x2fe/0xf20 fs/ext4/file.c:272 call_write_iter include/linux/fs.h:1821 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x51b/0x770 fs/read_write.c:487 vfs_write+0x1f3/0x540 fs/read_write.c:549 ksys_write+0x12b/0x2a0 fs/read_write.c:599 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f1085a371cd Code: c2 20 00 00 75 10 b8 01 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 ae fc ff ff 48 89 04 24 b8 01 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 f7 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007f1082ff2590 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f10780073f0 RCX: 00007f1085a371cd RDX: 0000000000000403 RSI: 00007f10780073f0 RDI: 0000000000000008 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f1078007150 R13: 00007f1082ff25b0 R14: 0000556588634440 R15: 0000000000000403 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 48 89 df mov %rbx,%rdi 3: e8 11 dd 35 00 callq 0x35dd19 8: e9 ab fe ff ff jmpq 0xfffffeb8 d: 4c 89 ef mov %r13,%rdi 10: e8 04 dd 35 00 callq 0x35dd19 15: e9 23 fe ff ff jmpq 0xfffffe3d 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: 90 nop 24: 90 nop 25: 90 nop 26: 90 nop 27: 90 nop 28: 90 nop * 29: 48 8b 34 24 mov (%rsp),%rsi <-- trapping instruction 2d: 65 48 8b 04 25 c0 df mov %gs:0x1dfc0,%rax 34: 01 00 36: 65 8b 15 cc 59 9f 7e mov %gs:0x7e9f59cc(%rip),%edx # 0x7e9f5a09 3d: 81 .byte 0x81 3e: e2 .byte 0xe2