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-executor.2:12434 blocked for more than 140 seconds. Not tainted 4.19.150-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D29400 12434 6494 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x8e5/0x22e0 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 request_wait_answer+0x3dc/0x750 fs/fuse/dev.c:485 __fuse_request_send+0x123/0x1d0 fs/fuse/dev.c:505 fuse_simple_request+0x2d2/0x6f0 fs/fuse/dev.c:576 fuse_getxattr+0x214/0x3c0 fs/fuse/xattr.c:80 fuse_xattr_get+0x29/0x40 fs/fuse/xattr.c:181 __vfs_getxattr fs/xattr.c:347 [inline] vfs_getxattr+0x1ce/0x320 fs/xattr.c:378 getxattr+0xf4/0x2b0 fs/xattr.c:607 path_getxattr+0xb6/0x150 fs/xattr.c:635 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45de59 Code: 89 4c 24 78 48 8b 6c 24 58 48 83 c4 60 c3 48 89 4c 24 30 90 48 8d 05 f6 5c 61 01 48 89 04 24 e8 7d cd fa ff 48 8d 05 46 29 44 <00> 48 89 04 24 48 8b 05 eb 5c 61 01 48 89 44 24 08 8b 44 24 70 89 RSP: 002b:00007f402f154c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000c0 RAX: ffffffffffffffda RBX: 0000000000020840 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000020000040 RBP: 000000000118bf68 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffc5ea1ac3f R14: 00007f402f1559c0 R15: 000000000118bf2c INFO: task syz-executor.2:12441 blocked for more than 140 seconds. Not tainted 4.19.150-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D29056 12441 6494 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x8e5/0x22e0 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 request_wait_answer+0x3dc/0x750 fs/fuse/dev.c:485 __fuse_request_send+0x123/0x1d0 fs/fuse/dev.c:505 fuse_simple_request+0x2d2/0x6f0 fs/fuse/dev.c:576 fuse_getxattr+0x214/0x3c0 fs/fuse/xattr.c:80 fuse_xattr_get+0x29/0x40 fs/fuse/xattr.c:181 __vfs_getxattr fs/xattr.c:347 [inline] vfs_getxattr+0x1ce/0x320 fs/xattr.c:378 getxattr+0xf4/0x2b0 fs/xattr.c:607 path_getxattr+0xb6/0x150 fs/xattr.c:635 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45de59 Code: 89 4c 24 78 48 8b 6c 24 58 48 83 c4 60 c3 48 89 4c 24 30 90 48 8d 05 f6 5c 61 01 48 89 04 24 e8 7d cd fa ff 48 8d 05 46 29 44 <00> 48 89 04 24 48 8b 05 eb 5c 61 01 48 89 44 24 08 8b 44 24 70 89 RSP: 002b:00007f402f154c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000c0 RAX: ffffffffffffffda RBX: 0000000000020840 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000020000040 RBP: 000000000118bf68 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffc5ea1ac3f R14: 00007f402f1559c0 R15: 000000000118bf2c INFO: task syz-executor.2:12446 blocked for more than 140 seconds. Not tainted 4.19.150-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D29400 12446 6494 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x8e5/0x22e0 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 request_wait_answer+0x3dc/0x750 fs/fuse/dev.c:485 __fuse_request_send+0x123/0x1d0 fs/fuse/dev.c:505 fuse_simple_request+0x2d2/0x6f0 fs/fuse/dev.c:576 fuse_getxattr+0x214/0x3c0 fs/fuse/xattr.c:80 fuse_xattr_get+0x29/0x40 fs/fuse/xattr.c:181 __vfs_getxattr fs/xattr.c:347 [inline] vfs_getxattr+0x1ce/0x320 fs/xattr.c:378 getxattr+0xf4/0x2b0 fs/xattr.c:607 path_getxattr+0xb6/0x150 fs/xattr.c:635 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45de59 Code: Bad RIP value. RSP: 002b:00007f402f154c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000c0 RAX: ffffffffffffffda RBX: 0000000000020840 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000020000040 RBP: 000000000118bf68 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffc5ea1ac3f R14: 00007f402f1559c0 R15: 000000000118bf2c INFO: task syz-executor.2:12453 blocked for more than 140 seconds. Not tainted 4.19.150-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D29400 12453 6494 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x8e5/0x22e0 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 request_wait_answer+0x3dc/0x750 fs/fuse/dev.c:485 __fuse_request_send+0x123/0x1d0 fs/fuse/dev.c:505 fuse_simple_request+0x2d2/0x6f0 fs/fuse/dev.c:576 fuse_getxattr+0x214/0x3c0 fs/fuse/xattr.c:80 fuse_xattr_get+0x29/0x40 fs/fuse/xattr.c:181 __vfs_getxattr fs/xattr.c:347 [inline] vfs_getxattr+0x1ce/0x320 fs/xattr.c:378 getxattr+0xf4/0x2b0 fs/xattr.c:607 path_getxattr+0xb6/0x150 fs/xattr.c:635 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45de59 Code: Bad RIP value. RSP: 002b:00007f402f154c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000c0 RAX: ffffffffffffffda RBX: 0000000000020840 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000020000040 RBP: 000000000118bf68 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffc5ea1ac3f R14: 00007f402f1559c0 R15: 000000000118bf2c INFO: task syz-executor.2:12461 blocked for more than 140 seconds. Not tainted 4.19.150-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D29400 12461 6494 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x8e5/0x22e0 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 request_wait_answer+0x3dc/0x750 fs/fuse/dev.c:485 __fuse_request_send+0x123/0x1d0 fs/fuse/dev.c:505 fuse_simple_request+0x2d2/0x6f0 fs/fuse/dev.c:576 fuse_getxattr+0x214/0x3c0 fs/fuse/xattr.c:80 fuse_xattr_get+0x29/0x40 fs/fuse/xattr.c:181 __vfs_getxattr fs/xattr.c:347 [inline] vfs_getxattr+0x1ce/0x320 fs/xattr.c:378 getxattr+0xf4/0x2b0 fs/xattr.c:607 path_getxattr+0xb6/0x150 fs/xattr.c:635 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45de59 Code: Bad RIP value. RSP: 002b:00007f402f154c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000c0 RAX: ffffffffffffffda RBX: 0000000000020840 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000020000040 RBP: 000000000118bf68 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffc5ea1ac3f R14: 00007f402f1559c0 R15: 000000000118bf2c INFO: task syz-executor.2:12469 blocked for more than 140 seconds. Not tainted 4.19.150-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D29400 12469 6494 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x8e5/0x22e0 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 request_wait_answer+0x3dc/0x750 fs/fuse/dev.c:485 __fuse_request_send+0x123/0x1d0 fs/fuse/dev.c:505 fuse_simple_request+0x2d2/0x6f0 fs/fuse/dev.c:576 fuse_getxattr+0x214/0x3c0 fs/fuse/xattr.c:80 fuse_xattr_get+0x29/0x40 fs/fuse/xattr.c:181 __vfs_getxattr fs/xattr.c:347 [inline] vfs_getxattr+0x1ce/0x320 fs/xattr.c:378 getxattr+0xf4/0x2b0 fs/xattr.c:607 path_getxattr+0xb6/0x150 fs/xattr.c:635 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45de59 Code: Bad RIP value. RSP: 002b:00007f402f154c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000c0 RAX: ffffffffffffffda RBX: 0000000000020840 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000020000040 RBP: 000000000118bf68 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffc5ea1ac3f R14: 00007f402f1559c0 R15: 000000000118bf2c INFO: task syz-executor.2:12491 blocked for more than 140 seconds. Not tainted 4.19.150-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D29400 12491 6494 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x8e5/0x22e0 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 request_wait_answer+0x3dc/0x750 fs/fuse/dev.c:485 __fuse_request_send+0x123/0x1d0 fs/fuse/dev.c:505 fuse_simple_request+0x2d2/0x6f0 fs/fuse/dev.c:576 fuse_getxattr+0x214/0x3c0 fs/fuse/xattr.c:80 fuse_xattr_get+0x29/0x40 fs/fuse/xattr.c:181 __vfs_getxattr fs/xattr.c:347 [inline] vfs_getxattr+0x1ce/0x320 fs/xattr.c:378 getxattr+0xf4/0x2b0 fs/xattr.c:607 path_getxattr+0xb6/0x150 fs/xattr.c:635 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45de59 Code: Bad RIP value. RSP: 002b:00007f402f154c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000c0 RAX: ffffffffffffffda RBX: 0000000000020840 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000020000040 RBP: 000000000118bf68 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffc5ea1ac3f R14: 00007f402f1559c0 R15: 000000000118bf2c INFO: task syz-executor.2:12499 blocked for more than 140 seconds. Not tainted 4.19.150-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D29400 12499 6494 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x8e5/0x22e0 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 request_wait_answer+0x3dc/0x750 fs/fuse/dev.c:485 __fuse_request_send+0x123/0x1d0 fs/fuse/dev.c:505 fuse_simple_request+0x2d2/0x6f0 fs/fuse/dev.c:576 fuse_getxattr+0x214/0x3c0 fs/fuse/xattr.c:80 fuse_xattr_get+0x29/0x40 fs/fuse/xattr.c:181 __vfs_getxattr fs/xattr.c:347 [inline] vfs_getxattr+0x1ce/0x320 fs/xattr.c:378 getxattr+0xf4/0x2b0 fs/xattr.c:607 path_getxattr+0xb6/0x150 fs/xattr.c:635 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45de59 Code: Bad RIP value. RSP: 002b:00007f402f154c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000c0 RAX: ffffffffffffffda RBX: 0000000000020840 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000020000040 RBP: 000000000118bf68 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffc5ea1ac3f R14: 00007f402f1559c0 R15: 000000000118bf2c Showing all locks held in the system: 1 lock held by khungtaskd/1095: #0: 000000000ff6e260 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x291 kernel/locking/lockdep.c:4440 1 lock held by in:imklog/6205: 2 locks held by agetty/6413: #0: 000000002fb80fdd (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 00000000b784e158 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x18c0 drivers/tty/n_tty.c:2154 2 locks held by agetty/6416: #0: 0000000009236578 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 000000000746956e (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x18c0 drivers/tty/n_tty.c:2154 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1095 Comm: khungtaskd Not tainted 4.19.150-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+0x22c/0x33e lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x18/0x3d lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1a6/0x1eb 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+0xa62/0x1020 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 skipped: idling at native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60