INFO: task syz-executor.4:6157 blocked for more than 143 seconds. Not tainted 6.9.0-rc7-syzkaller-00012-gdccb07f2914c #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:0 pid:6157 tgid:6156 ppid:5911 flags:0x00000005 Call trace: __switch_to+0x314/0x560 arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5409 [inline] __schedule+0x14a4/0x24d4 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6838 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6895 rwsem_down_write_slowpath+0xd10/0x14c8 kernel/locking/rwsem.c:1178 __down_write_common kernel/locking/rwsem.c:1306 [inline] __down_write kernel/locking/rwsem.c:1315 [inline] down_write+0xb4/0xc0 kernel/locking/rwsem.c:1580 filemap_invalidate_lock include/linux/fs.h:840 [inline] blk_ioctl_zeroout block/ioctl.c:193 [inline] blkdev_common_ioctl+0x1a34/0x288c block/ioctl.c:521 blkdev_ioctl+0x35c/0xae4 block/ioctl.c:636 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:904 [inline] __se_sys_ioctl fs/ioctl.c:890 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:890 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 Showing all locks held in the system: 1 lock held by khungtaskd/30: #0: ffff80008d7053c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:328 2 locks held by kworker/u8:5/427: 1 lock held by klogd/5142: 2 locks held by getty/5295: #0: ffff0000d48ba0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff8000957ae2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2201 1 lock held by syz-executor.3/6137: 1 lock held by syz-executor.4/6157: #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:840 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:193 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1a34/0x288c block/ioctl.c:521 1 lock held by syz-executor.0/6404: #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:840 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:193 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1a34/0x288c block/ioctl.c:521 1 lock held by syz-executor.1/6406: #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:840 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:193 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1a34/0x288c block/ioctl.c:521 1 lock held by syz-executor.2/6426: #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:840 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:193 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1a34/0x288c block/ioctl.c:521 1 lock held by syz-executor.3/6429: #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:840 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:193 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1a34/0x288c block/ioctl.c:521 1 lock held by syz-executor.4/6431: #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:840 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:193 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1a34/0x288c block/ioctl.c:521 1 lock held by syz-executor.0/6494: #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:840 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:193 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1a34/0x288c block/ioctl.c:521 1 lock held by syz-executor.1/6504: #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:840 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:193 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1a34/0x288c block/ioctl.c:521 1 lock held by syz-executor.3/6508: #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:840 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:193 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1a34/0x288c block/ioctl.c:521 1 lock held by syz-executor.2/6512: #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:840 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:193 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1a34/0x288c block/ioctl.c:521 1 lock held by syz-executor.4/6520: #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:840 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:193 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1a34/0x288c block/ioctl.c:521 1 lock held by syz-executor.0/6582: #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:840 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:193 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1a34/0x288c block/ioctl.c:521 1 lock held by syz-executor.1/6588: #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:840 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:193 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1a34/0x288c block/ioctl.c:521 1 lock held by syz-executor.3/6596: #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:840 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:193 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1a34/0x288c block/ioctl.c:521 1 lock held by syz-executor.2/6608: #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:840 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:193 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1a34/0x288c block/ioctl.c:521 1 lock held by syz-executor.4/6610: #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:840 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:193 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1a34/0x288c block/ioctl.c:521 1 lock held by syz-executor.0/6674: #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:840 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:193 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1a34/0x288c block/ioctl.c:521 1 lock held by syz-executor.1/6680: #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:840 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:193 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1a34/0x288c block/ioctl.c:521 1 lock held by syz-executor.3/6685: #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:840 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:193 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1a34/0x288c block/ioctl.c:521 1 lock held by syz-executor.2/6699: #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:840 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:193 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1a34/0x288c block/ioctl.c:521 1 lock held by syz-executor.4/6701: #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:840 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:193 [inline] #0: ffff0000c05594d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1a34/0x288c block/ioctl.c:521 =============================================