wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready Bluetooth: hci2: command 0x040f tx timeout Bluetooth: hci2: command 0x0419 tx timeout Bluetooth: hci2: command 0x0406 tx timeout INFO: task syz-executor.4:288 blocked for more than 143 seconds. Not tainted 5.10.90 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:24160 pid: 288 ppid: 1 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:3791 [inline] __schedule+0x848/0x1e80 kernel/sched/core.c:4540 schedule+0xcb/0x270 kernel/sched/core.c:4618 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4677 __mutex_lock_common kernel/locking/mutex.c:1047 [inline] __mutex_lock+0x7c9/0x1250 kernel/locking/mutex.c:1109 acct_get kernel/acct.c:161 [inline] slow_acct_process kernel/acct.c:579 [inline] acct_process+0x1e9/0x510 kernel/acct.c:605 do_exit+0x18c7/0x2770 kernel/exit.c:801 do_group_exit+0x125/0x310 kernel/exit.c:908 get_signal+0x469/0x2200 kernel/signal.c:2748 arch_do_signal+0x88/0x1b70 arch/x86/kernel/signal.c:805 exit_to_user_mode_loop kernel/entry/common.c:161 [inline] exit_to_user_mode_prepare+0xf7/0x160 kernel/entry/common.c:191 syscall_exit_to_user_mode+0x38/0x230 kernel/entry/common.c:266 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7ff2267f3fb7 RSP: 002b:00007ffe808e95a0 EFLAGS: 00000293 ORIG_RAX: 000000000000003d RAX: fffffffffffffe00 RBX: 000000000000026d RCX: 00007ff2267f3fb7 RDX: 0000000040000000 RSI: 00007ffe808e962c RDI: 00000000ffffffff RBP: 00007ffe808e962c R08: 0000000000000000 R09: 00007ff22684f1a9 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 000000000023812d R14: 0000000000000000 R15: 00007ffe808e9690 Showing all locks held in the system: 1 lock held by khungtaskd/22: #0: ffffffff84df6960 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6379 3 locks held by kworker/u4:3/65: 2 locks held by systemd-journal/103: #0: ffff88800f874438 (sb_writers#3){.+.+}-{0:0}, at: ksys_pwrite64 fs/read_write.c:712 [inline] #0: ffff88800f874438 (sb_writers#3){.+.+}-{0:0}, at: __do_sys_pwrite64 fs/read_write.c:722 [inline] #0: ffff88800f874438 (sb_writers#3){.+.+}-{0:0}, at: __se_sys_pwrite64 fs/read_write.c:719 [inline] #0: ffff88800f874438 (sb_writers#3){.+.+}-{0:0}, at: __x64_sys_pwrite64+0x1fd/0x250 fs/read_write.c:719 #1: ffff88806703b5c0 (&sb->s_type->i_mutex_key#14){++++}-{3:3}, at: inode_lock include/linux/fs.h:774 [inline] #1: ffff88806703b5c0 (&sb->s_type->i_mutex_key#14){++++}-{3:3}, at: ext4_buffered_write_iter+0xb6/0x4d0 fs/ext4/file.c:264 1 lock held by in:imklog/183: #0: ffff88800fcb6870 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:934 3 locks held by rs:main Q:Reg/184: #0: ffff88800cf0e870 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:934 #1: ffff88800f874438 (sb_writers#3){.+.+}-{0:0}, at: ksys_write+0x12d/0x250 fs/read_write.c:658 #2: ffff88801aabd348 (&sb->s_type->i_mutex_key#14){++++}-{3:3}, at: inode_lock include/linux/fs.h:774 [inline] #2: ffff88801aabd348 (&sb->s_type->i_mutex_key#14){++++}-{3:3}, at: ext4_buffered_write_iter+0xb6/0x4d0 fs/ext4/file.c:264 1 lock held by syz-executor.4/288: #0: ffff888016dbe500 (&acct->lock#2){+.+.}-{3:3}, at: acct_get kernel/acct.c:161 [inline] #0: ffff888016dbe500 (&acct->lock#2){+.+.}-{3:3}, at: slow_acct_process kernel/acct.c:579 [inline] #0: ffff888016dbe500 (&acct->lock#2){+.+.}-{3:3}, at: acct_process+0x1e9/0x510 kernel/acct.c:605 3 locks held by syz-executor.4/12083: #0: ffff888016dbe500 (&acct->lock#2){+.+.}-{3:3}, at: acct_get kernel/acct.c:161 [inline] #0: ffff888016dbe500 (&acct->lock#2){+.+.}-{3:3}, at: slow_acct_process kernel/acct.c:579 [inline] #0: ffff888016dbe500 (&acct->lock#2){+.+.}-{3:3}, at: acct_process+0x1e9/0x510 kernel/acct.c:605 #1: ffff88800f874438 (sb_writers#3){.+.+}-{0:0}, at: slow_acct_process kernel/acct.c:581 [inline] #1: ffff88800f874438 (sb_writers#3){.+.+}-{0:0}, at: acct_process+0x3e7/0x510 kernel/acct.c:605 #2: ffff88805add4970 (&sb->s_type->i_mutex_key#14){++++}-{3:3}, at: inode_lock include/linux/fs.h:774 [inline] #2: ffff88805add4970 (&sb->s_type->i_mutex_key#14){++++}-{3:3}, at: ext4_buffered_write_iter+0xb6/0x4d0 fs/ext4/file.c:264 =============================================