team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed bond0 (unregistering): Releasing backup interface bond_slave_1 bond0 (unregistering): Releasing backup interface bond_slave_0 bond0 (unregistering): Released all slaves INFO: task syz-executor5:19674 blocked for more than 140 seconds. Not tainted 4.19.0-rc7+ #281 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor5 D25488 19674 12908 0x00000004 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 request_wait_answer+0x4a6/0x900 fs/fuse/dev.c:474 __fuse_request_send+0x12a/0x1d0 fs/fuse/dev.c:494 fuse_request_send+0x62/0xa0 fs/fuse/dev.c:507 fuse_simple_request+0x33d/0x730 fs/fuse/dev.c:565 fuse_getxattr+0x42f/0x760 fs/fuse/xattr.c:80 fuse_get_acl+0x1be/0x360 fs/fuse/acl.c:35 get_acl+0x16b/0x2a0 fs/posix_acl.c:140 posix_acl_xattr_get+0xff/0x1d0 fs/posix_acl.c:844 __vfs_getxattr+0xee/0x150 fs/xattr.c:310 vfs_getxattr+0x275/0x390 fs/xattr.c:341 getxattr+0x139/0x2c0 fs/xattr.c:537 path_getxattr+0x103/0x1b0 fs/xattr.c:565 __do_sys_getxattr fs/xattr.c:577 [inline] __se_sys_getxattr fs/xattr.c:574 [inline] __x64_sys_getxattr+0x9d/0x100 fs/xattr.c:574 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457569 Code: 83 c4 18 c3 e8 d8 64 00 00 48 8b 04 24 48 8b 4c 24 08 48 89 01 e8 d7 2d fc ff e8 22 7a fc ff b8 02 00 00 00 48 8d 0d 6a 60 09 <01> 87 01 8b 05 62 60 09 01 83 f8 01 0f 85 8a 00 00 00 b8 01 00 00 RSP: 002b:00007fdb9be7ec78 EFLAGS: 00000246 ORIG_RAX: 00000000000000bf RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000457569 RDX: 0000000020000540 RSI: 0000000020000680 RDI: 00000000200000c0 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000044 R11: 0000000000000246 R12: 00007fdb9be7f6d4 R13: 00000000004bdd7d R14: 00000000004ce278 R15: 00000000ffffffff INFO: task syz-executor5:19700 blocked for more than 140 seconds. Not tainted 4.19.0-rc7+ #281 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor5 D25368 19700 12908 0x00000004 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 request_wait_answer+0x4a6/0x900 fs/fuse/dev.c:474 __fuse_request_send+0x12a/0x1d0 fs/fuse/dev.c:494 fuse_request_send+0x62/0xa0 fs/fuse/dev.c:507 fuse_simple_request+0x33d/0x730 fs/fuse/dev.c:565 fuse_getxattr+0x42f/0x760 fs/fuse/xattr.c:80 fuse_get_acl+0x1be/0x360 fs/fuse/acl.c:35 get_acl+0x16b/0x2a0 fs/posix_acl.c:140 posix_acl_xattr_get+0xff/0x1d0 fs/posix_acl.c:844 __vfs_getxattr+0xee/0x150 fs/xattr.c:310 vfs_getxattr+0x275/0x390 fs/xattr.c:341 getxattr+0x139/0x2c0 fs/xattr.c:537 path_getxattr+0x103/0x1b0 fs/xattr.c:565 __do_sys_getxattr fs/xattr.c:577 [inline] __se_sys_getxattr fs/xattr.c:574 [inline] __x64_sys_getxattr+0x9d/0x100 fs/xattr.c:574 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457569 Code: Bad RIP value. RSP: 002b:00007fdb9be7ec78 EFLAGS: 00000246 ORIG_RAX: 00000000000000bf RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000457569 RDX: 0000000020000540 RSI: 0000000020000680 RDI: 00000000200000c0 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000044 R11: 0000000000000246 R12: 00007fdb9be7f6d4 R13: 00000000004bdd7d R14: 00000000004ce278 R15: 00000000ffffffff INFO: task syz-executor5:19709 blocked for more than 140 seconds. Not tainted 4.19.0-rc7+ #281 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor5 D23808 19709 12908 0x00000004 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 request_wait_answer+0x4a6/0x900 fs/fuse/dev.c:474 __fuse_request_send+0x12a/0x1d0 fs/fuse/dev.c:494 fuse_request_send+0x62/0xa0 fs/fuse/dev.c:507 fuse_simple_request+0x33d/0x730 fs/fuse/dev.c:565 fuse_getxattr+0x42f/0x760 fs/fuse/xattr.c:80 fuse_get_acl+0x1be/0x360 fs/fuse/acl.c:35 get_acl+0x16b/0x2a0 fs/posix_acl.c:140 posix_acl_xattr_get+0xff/0x1d0 fs/posix_acl.c:844 __vfs_getxattr+0xee/0x150 fs/xattr.c:310 vfs_getxattr+0x275/0x390 fs/xattr.c:341 getxattr+0x139/0x2c0 fs/xattr.c:537 path_getxattr+0x103/0x1b0 fs/xattr.c:565 __do_sys_getxattr fs/xattr.c:577 [inline] __se_sys_getxattr fs/xattr.c:574 [inline] __x64_sys_getxattr+0x9d/0x100 fs/xattr.c:574 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457569 Code: Bad RIP value. RSP: 002b:00007fdb9be7ec78 EFLAGS: 00000246 ORIG_RAX: 00000000000000bf RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000457569 RDX: 0000000020000540 RSI: 0000000020000680 RDI: 00000000200000c0 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000044 R11: 0000000000000246 R12: 00007fdb9be7f6d4 R13: 00000000004bdd7d R14: 00000000004ce278 R15: 00000000ffffffff INFO: task syz-executor5:19727 blocked for more than 140 seconds. Not tainted 4.19.0-rc7+ #281 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor5 D25368 19727 12908 0x00000004 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 request_wait_answer+0x4a6/0x900 fs/fuse/dev.c:474 __fuse_request_send+0x12a/0x1d0 fs/fuse/dev.c:494 fuse_request_send+0x62/0xa0 fs/fuse/dev.c:507 fuse_simple_request+0x33d/0x730 fs/fuse/dev.c:565 fuse_getxattr+0x42f/0x760 fs/fuse/xattr.c:80 fuse_get_acl+0x1be/0x360 fs/fuse/acl.c:35 get_acl+0x16b/0x2a0 fs/posix_acl.c:140 posix_acl_xattr_get+0xff/0x1d0 fs/posix_acl.c:844 __vfs_getxattr+0xee/0x150 fs/xattr.c:310 vfs_getxattr+0x275/0x390 fs/xattr.c:341 getxattr+0x139/0x2c0 fs/xattr.c:537 path_getxattr+0x103/0x1b0 fs/xattr.c:565 __do_sys_getxattr fs/xattr.c:577 [inline] __se_sys_getxattr fs/xattr.c:574 [inline] __x64_sys_getxattr+0x9d/0x100 fs/xattr.c:574 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457569 Code: Bad RIP value. RSP: 002b:00007fdb9be7ec78 EFLAGS: 00000246 ORIG_RAX: 00000000000000bf RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000457569 RDX: 0000000020000540 RSI: 0000000020000680 RDI: 00000000200000c0 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000044 R11: 0000000000000246 R12: 00007fdb9be7f6d4 R13: 00000000004bdd7d R14: 00000000004ce278 R15: 00000000ffffffff Showing all locks held in the system: 1 lock held by khungtaskd/982: #0: 000000005bcb4c83 (rcu_read_lock){....}, at: debug_show_all_locks+0xd0/0x424 kernel/locking/lockdep.c:4435 1 lock held by rsyslogd/5214: #0: 000000000da23e85 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x1bb/0x200 fs/file.c:766 2 locks held by getty/5305: #0: 000000002033c338 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 000000001afd6dfd (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5306: #0: 000000004b1feaf0 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 00000000e9854812 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5307: #0: 00000000924b295c (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 00000000718436b2 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5308: #0: 00000000aea062e0 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 00000000c0afd349 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5309: #0: 0000000063486e22 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 000000004aebdaea (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5310: #0: 000000008cbe8636 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 000000007f2b5edc (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5311: #0: 00000000f7fe0dc8 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 00000000a3c185de (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 982 Comm: khungtaskd Not tainted 4.19.0-rc7+ #281 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+0x1c4/0x2b4 lib/dump_stack.c:113 nmi_cpu_backtrace.cold.3+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1b3/0x1ed 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+0xb3e/0x1050 kernel/hung_task.c:265 kthread+0x35a/0x420 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413 Sending NMI from CPU 1 to CPUs 0: INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.184 msecs NMI backtrace for cpu 0 CPU: 0 PID: 10 Comm: rcu_preempt Not tainted 4.19.0-rc7+ #281 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:preempt_count_add+0x40/0x160 kernel/sched/core.c:3194 Code: 20 cb ed 8a 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 03 01 00 00 8b 15 f0 57 98 09 <65> 01 1d 99 7a ac 7e 85 d2 75 11 65 8b 05 8e 7a ac 7e 0f b6 c0 3d RSP: 0018:ffff8801d9ab71f0 EFLAGS: 00000097 RAX: 0000000000000003 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8aedcb20 RBP: ffff8801d9ab7200 R08: ffff8801d9aa2280 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000286 R13: ffff8801d9ab73e8 R14: ffffffff893a7980 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600400 CR3: 00000001d59c6000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:109 [inline] _raw_spin_lock_irqsave+0x7e/0xd0 kernel/locking/spinlock.c:152 debug_object_assert_init+0xec/0x4b0 lib/debugobjects.c:677 debug_timer_assert_init kernel/time/timer.c:724 [inline] debug_assert_init kernel/time/timer.c:776 [inline] try_to_del_timer_sync+0x7c/0x140 kernel/time/timer.c:1223 del_timer_sync+0x1b6/0x270 kernel/time/timer.c:1293 schedule_timeout+0x148/0x260 kernel/time/timer.c:1805 rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194 kthread+0x35a/0x420 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413