IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready Bluetooth: hci8 command 0x0409 tx timeout Bluetooth: hci8 command 0x041b tx timeout Bluetooth: hci8 command 0x040f tx timeout Bluetooth: hci8 command 0x0419 tx timeout INFO: task syz-executor.3:11190 blocked for more than 140 seconds. Not tainted 4.14.303-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D27200 11190 8001 0x00000004 Call Trace: context_switch kernel/sched/core.c:2811 [inline] __schedule+0x88b/0x1de0 kernel/sched/core.c:3387 schedule+0x8d/0x1b0 kernel/sched/core.c:3431 xlog_grant_head_wait+0x12f/0xc10 fs/xfs/xfs_log.c:274 xlog_grant_head_check+0x357/0x3a0 fs/xfs/xfs_log.c:336 xfs_log_reserve+0x2fb/0x9e0 fs/xfs/xfs_log.c:465 xfs_trans_reserve+0x5bb/0x940 fs/xfs/xfs_trans.c:176 xfs_trans_alloc+0x1fc/0x320 fs/xfs/xfs_trans.c:255 xlog_finish_defer_ops fs/xfs/xfs_log_recover.c:4833 [inline] xlog_recover_process_intents+0x1d2/0x3f0 fs/xfs/xfs_log_recover.c:4938 xlog_recover_finish+0x52/0x210 fs/xfs/xfs_log_recover.c:5840 xfs_log_mount_finish+0xd9/0x2d0 fs/xfs/xfs_log.c:789 xfs_mountfs+0xeef/0x1f40 fs/xfs/xfs_mount.c:952 xfs_fs_fill_super+0xb7a/0x1380 fs/xfs/xfs_super.c:1688 mount_bdev+0x2b3/0x360 fs/super.c:1134 mount_fs+0x92/0x2a0 fs/super.c:1237 vfs_kern_mount.part.0+0x5b/0x470 fs/namespace.c:1046 vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2572 [inline] do_mount+0xe65/0x2a30 fs/namespace.c:2905 SYSC_mount fs/namespace.c:3121 [inline] SyS_mount+0xa8/0x120 fs/namespace.c:3098 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7feec21e25fa RSP: 002b:00007feec0752f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 000000000000baed RCX: 00007feec21e25fa RDX: 000000002000bb00 RSI: 0000000020000040 RDI: 00007feec0752fe0 RBP: 00007feec0753020 R08: 00007feec0753020 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000000002000bb00 R13: 0000000020000040 R14: 00007feec0752fe0 R15: 00000000200002c0 INFO: task syz-executor.3:12026 blocked for more than 140 seconds. Not tainted 4.14.303-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D28936 12026 11303 0x00000004 Call Trace: context_switch kernel/sched/core.c:2811 [inline] __schedule+0x88b/0x1de0 kernel/sched/core.c:3387 schedule+0x8d/0x1b0 kernel/sched/core.c:3431 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x1e6/0x350 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:66 [inline] down_read+0x44/0x80 kernel/locking/rwsem.c:26 iterate_supers+0xda/0x490 fs/super.c:611 sys_sync+0x78/0x130 fs/sync.c:113 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f9d1a8670c9 RSP: 002b:00007f9d18dd9168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f9d1a986f80 RCX: 00007f9d1a8670c9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f9d1a8c2ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe57c819df R14: 00007f9d18dd9300 R15: 0000000000022000 INFO: task syz-executor.3:12035 blocked for more than 140 seconds. Not tainted 4.14.303-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D30248 12035 11303 0x00000004 Call Trace: context_switch kernel/sched/core.c:2811 [inline] __schedule+0x88b/0x1de0 kernel/sched/core.c:3387 schedule+0x8d/0x1b0 kernel/sched/core.c:3431 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x1e6/0x350 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:66 [inline] down_read+0x44/0x80 kernel/locking/rwsem.c:26 iterate_supers+0xda/0x490 fs/super.c:611 sys_sync+0x78/0x130 fs/sync.c:113 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f9d1a8670c9 RSP: 002b:00007f9d18db8168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f9d1a987050 RCX: 00007f9d1a8670c9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f9d1a8c2ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe57c819df R14: 00007f9d18db8300 R15: 0000000000022000 INFO: task syz-executor.3:12045 blocked for more than 140 seconds. Not tainted 4.14.303-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D30248 12045 11303 0x00000004 Call Trace: context_switch kernel/sched/core.c:2811 [inline] __schedule+0x88b/0x1de0 kernel/sched/core.c:3387 schedule+0x8d/0x1b0 kernel/sched/core.c:3431 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x1e6/0x350 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:66 [inline] down_read+0x44/0x80 kernel/locking/rwsem.c:26 iterate_supers+0xda/0x490 fs/super.c:611 sys_sync+0x78/0x130 fs/sync.c:113 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f9d1a8670c9 RSP: 002b:00007f9d18d97168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f9d1a987120 RCX: 00007f9d1a8670c9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f9d1a8c2ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe57c819df R14: 00007f9d18d97300 R15: 0000000000022000 INFO: task syz-executor.3:12047 blocked for more than 140 seconds. Not tainted 4.14.303-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D27712 12047 11303 0x00000004 Call Trace: context_switch kernel/sched/core.c:2811 [inline] __schedule+0x88b/0x1de0 kernel/sched/core.c:3387 schedule+0x8d/0x1b0 kernel/sched/core.c:3431 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x1e6/0x350 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:66 [inline] down_read+0x44/0x80 kernel/locking/rwsem.c:26 iterate_supers+0xda/0x490 fs/super.c:611 sys_sync+0x78/0x130 fs/sync.c:113 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f9d1a8670c9 RSP: 002b:00007f9d18d76168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f9d1a9871f0 RCX: 00007f9d1a8670c9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f9d1a8c2ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe57c819df R14: 00007f9d18d76300 R15: 0000000000022000 INFO: task syz-executor.3:12092 blocked for more than 140 seconds. Not tainted 4.14.303-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D30240 12092 11303 0x00000004 Call Trace: context_switch kernel/sched/core.c:2811 [inline] __schedule+0x88b/0x1de0 kernel/sched/core.c:3387 schedule+0x8d/0x1b0 kernel/sched/core.c:3431 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x1e6/0x350 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:66 [inline] down_read+0x44/0x80 kernel/locking/rwsem.c:26 iterate_supers+0xda/0x490 fs/super.c:611 sys_sync+0x78/0x130 fs/sync.c:113 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f9d1a8670c9 RSP: 002b:00007f9d11955168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f9d1a9872c0 RCX: 00007f9d1a8670c9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f9d1a8c2ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe57c819df R14: 00007f9d11955300 R15: 0000000000022000 INFO: task syz-executor.3:12093 blocked for more than 140 seconds. Not tainted 4.14.303-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D30240 12093 11303 0x00000004 Call Trace: context_switch kernel/sched/core.c:2811 [inline] __schedule+0x88b/0x1de0 kernel/sched/core.c:3387 schedule+0x8d/0x1b0 kernel/sched/core.c:3431 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x1e6/0x350 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:66 [inline] down_read+0x44/0x80 kernel/locking/rwsem.c:26 iterate_supers+0xda/0x490 fs/super.c:611 sys_sync+0x78/0x130 fs/sync.c:113 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f9d1a8670c9 RSP: 002b:00007f9d11934168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f9d1a987390 RCX: 00007f9d1a8670c9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f9d1a8c2ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe57c819df R14: 00007f9d11934300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1533: #0: (tasklist_lock){.+.+}, at: [] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4548 2 locks held by syz-executor.3/11190: #0: (&type->s_umount_key#68/1){+.+.}, at: [] alloc_super fs/super.c:251 [inline] #0: (&type->s_umount_key#68/1){+.+.}, at: [] sget_userns+0x556/0xc10 fs/super.c:516 #1: (sb_internal#3){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1598 [inline] #1: (sb_internal#3){.+.+}, at: [] xfs_trans_alloc+0x259/0x320 fs/xfs/xfs_trans.c:242 1 lock held by syz-executor.3/12026: #0: (&type->s_umount_key#75){.+.+}, at: [] iterate_supers+0xda/0x490 fs/super.c:611 1 lock held by syz-executor.3/12035: #0: (&type->s_umount_key#75){.+.+}, at: [] iterate_supers+0xda/0x490 fs/super.c:611 1 lock held by syz-executor.3/12045: #0: (&type->s_umount_key#75){.+.+}, at: [] iterate_supers+0xda/0x490 fs/super.c:611 1 lock held by syz-executor.3/12047: #0: (&type->s_umount_key#75){.+.+}, at: [] iterate_supers+0xda/0x490 fs/super.c:611 1 lock held by syz-executor.3/12092: #0: (&type->s_umount_key#75){.+.+}, at: [] iterate_supers+0xda/0x490 fs/super.c:611 1 lock held by syz-executor.3/12093: #0: (&type->s_umount_key#75){.+.+}, at: [] iterate_supers+0xda/0x490 fs/super.c:611 1 lock held by syz-executor.3/12543: #0: (&type->s_umount_key#75){.+.+}, at: [] iterate_supers+0xda/0x490 fs/super.c:611 1 lock held by syz-executor.3/12544: #0: (&type->s_umount_key#75){.+.+}, at: [] iterate_supers+0xda/0x490 fs/super.c:611 1 lock held by syz-executor.3/12545: #0: (&type->s_umount_key#75){.+.+}, at: [] iterate_supers+0xda/0x490 fs/super.c:611 1 lock held by syz-executor.3/12548: #0: (&type->s_umount_key#75){.+.+}, at: [] iterate_supers+0xda/0x490 fs/super.c:611 1 lock held by syz-executor.3/12549: #0: (&type->s_umount_key#75){.+.+}, at: [] iterate_supers+0xda/0x490 fs/super.c:611 1 lock held by syz-executor.3/12860: #0: (&type->s_umount_key#75){.+.+}, at: [] iterate_supers+0xda/0x490 fs/super.c:611 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1533 Comm: khungtaskd Not tainted 4.14.303-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 nmi_cpu_backtrace.cold+0x57/0x93 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x13a/0x180 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:140 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:195 [inline] watchdog+0x5b9/0xb40 kernel/hung_task.c:274 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:406 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 3555 Comm: kworker/u4:5 Not tainted 4.14.303-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 Workqueue: bat_events batadv_nc_worker task: ffff8880a8dbe000 task.stack: ffff8880a8c30000 RIP: 0010:preempt_count_sub+0x63/0x130 kernel/sched/core.c:3146 RSP: 0018:ffff8880a8c37c40 EFLAGS: 00000097 RAX: 0000000080000001 RBX: 00000000ffffffff RCX: 0000000000000000 RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000001 RBP: ffffffff86ebf9fc R08: 0000000000000001 R09: 0000000000000002 R10: 0000000000000000 R11: ffff8880a8dbe000 R12: dffffc0000000000 R13: ffffffff86ec1510 R14: ffff88808bd0e0e0 R15: ffff88808d9c6280 FS: 0000000000000000(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7331f05000 CR3: 00000000a19f8000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __local_bh_enable_ip+0xbc/0x170 kernel/softirq.c:188 spin_unlock_bh include/linux/spinlock.h:362 [inline] batadv_nc_purge_paths+0x20c/0x300 net/batman-adv/network-coding.c:481 batadv_nc_worker+0x628/0xc50 net/batman-adv/network-coding.c:729 process_one_work+0x793/0x14a0 kernel/workqueue.c:2117 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2251 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:406 Code: c9 75 18 65 8b 05 7e 49 c9 7e 25 ff ff ff 7f 39 c3 7f 1a 81 fb fe 00 00 00 76 55 65 8b 05 66 49 c9 7e f7 db 65 01 1d 5d 49 c9 7e <5b> c3 e8 b6 10 de 01 85 c0 74 f5 48 c7 c0 c0 6a fb 8b 48 ba 00