INFO: task syz-executor.1:5136 blocked for more than 143 seconds. Not tainted 5.15.188-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack: 0 pid: 5136 ppid: 4783 flags:0x0000000d Call trace: __switch_to+0x2f4/0x558 arch/arm64/kernel/process.c:521 context_switch kernel/sched/core.c:5030 [inline] __schedule+0xe00/0x1c0c kernel/sched/core.c:6376 schedule+0x11c/0x1c8 kernel/sched/core.c:6459 rwsem_down_write_slowpath+0xcb8/0x13f4 kernel/locking/rwsem.c:1165 __down_write_common kernel/locking/rwsem.c:1292 [inline] __down_write kernel/locking/rwsem.c:1301 [inline] down_write+0xe8/0x12c kernel/locking/rwsem.c:1552 filemap_invalidate_lock include/linux/fs.h:832 [inline] blk_ioctl_zeroout block/ioctl.c:183 [inline] blkdev_common_ioctl+0x1c6c/0x25c8 block/ioctl.c:487 blkdev_ioctl+0x570/0xbb8 block/ioctl.c:598 block_ioctl+0xa4/0x118 block/fops.c:496 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl fs/ioctl.c:860 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:860 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 INFO: task syz-executor.4:5145 blocked for more than 143 seconds. Not tainted 5.15.188-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack: 0 pid: 5145 ppid: 4786 flags:0x00000005 Call trace: __switch_to+0x2f4/0x558 arch/arm64/kernel/process.c:521 context_switch kernel/sched/core.c:5030 [inline] __schedule+0xe00/0x1c0c kernel/sched/core.c:6376 schedule+0x11c/0x1c8 kernel/sched/core.c:6459 rwsem_down_write_slowpath+0xcb8/0x13f4 kernel/locking/rwsem.c:1165 __down_write_common kernel/locking/rwsem.c:1292 [inline] __down_write kernel/locking/rwsem.c:1301 [inline] down_write+0xe8/0x12c kernel/locking/rwsem.c:1552 filemap_invalidate_lock include/linux/fs.h:832 [inline] blk_ioctl_zeroout block/ioctl.c:183 [inline] blkdev_common_ioctl+0x1c6c/0x25c8 block/ioctl.c:487 blkdev_ioctl+0x570/0xbb8 block/ioctl.c:598 block_ioctl+0xa4/0x118 block/fops.c:496 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl fs/ioctl.c:860 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:860 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 INFO: task syz-executor:5147 blocked for more than 143 seconds. Not tainted 5.15.188-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack: 0 pid: 5147 ppid: 4796 flags:0x0000000d Call trace: __switch_to+0x2f4/0x558 arch/arm64/kernel/process.c:521 context_switch kernel/sched/core.c:5030 [inline] __schedule+0xe00/0x1c0c kernel/sched/core.c:6376 schedule+0x11c/0x1c8 kernel/sched/core.c:6459 rwsem_down_write_slowpath+0xcb8/0x13f4 kernel/locking/rwsem.c:1165 __down_write_common kernel/locking/rwsem.c:1292 [inline] __down_write kernel/locking/rwsem.c:1301 [inline] down_write+0xe8/0x12c kernel/locking/rwsem.c:1552 filemap_invalidate_lock include/linux/fs.h:832 [inline] blk_ioctl_zeroout block/ioctl.c:183 [inline] blkdev_common_ioctl+0x1c6c/0x25c8 block/ioctl.c:487 blkdev_ioctl+0x570/0xbb8 block/ioctl.c:598 block_ioctl+0xa4/0x118 block/fops.c:496 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl fs/ioctl.c:860 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:860 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Showing all locks held in the system: 3 locks held by kworker/1:1/25: 1 lock held by khungtaskd/27: #0: ffff800014351360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:311 4 locks held by kworker/u4:6/1627: 2 locks held by getty/3803: #0: ffff0000d449e098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340 #1: ffff80001b7b32e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c drivers/tty/n_tty.c:2158 3 locks held by kworker/1:3/4054: #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x678/0x1140 kernel/workqueue.c:2283 #1: ffff80001f1b7c00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 kernel/workqueue.c:2285 #2: ffff0000fde35240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x1c8/0x2704 drivers/net/netdevsim/fib.c:1480 3 locks held by kworker/0:5/4121: #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x678/0x1140 kernel/workqueue.c:2283 #1: ffff80001f807c00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 kernel/workqueue.c:2285 #2: ffff0001000f5240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x1c8/0x2704 drivers/net/netdevsim/fib.c:1480 3 locks held by kworker/0:9/4125: #0: ffff0000d3106138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x678/0x1140 kernel/workqueue.c:2283 #1: ffff80001f867c00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 kernel/workqueue.c:2285 #2: ffff8000162ad7e8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:72 1 lock held by syz-executor.3/5056: 1 lock held by syz-executor.1/5136: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c6c/0x25c8 block/ioctl.c:487 1 lock held by syz-executor.4/5145: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c6c/0x25c8 block/ioctl.c:487 1 lock held by syz-executor/5147: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c6c/0x25c8 block/ioctl.c:487 1 lock held by syz-executor.2/5604: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c6c/0x25c8 block/ioctl.c:487 1 lock held by syz-executor.3/5622: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c6c/0x25c8 block/ioctl.c:487 1 lock held by syz-executor.1/5677: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c6c/0x25c8 block/ioctl.c:487 1 lock held by syz-executor/5687: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c6c/0x25c8 block/ioctl.c:487 1 lock held by syz-executor.4/5689: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c6c/0x25c8 block/ioctl.c:487 1 lock held by syz-executor.2/5718: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c6c/0x25c8 block/ioctl.c:487 1 lock held by syz-executor.3/5730: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c6c/0x25c8 block/ioctl.c:487 1 lock held by syz-executor.1/5784: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c6c/0x25c8 block/ioctl.c:487 1 lock held by syz-executor/5806: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c6c/0x25c8 block/ioctl.c:487 1 lock held by syz-executor.4/5808: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c6c/0x25c8 block/ioctl.c:487 1 lock held by syz-executor.2/5845: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c6c/0x25c8 block/ioctl.c:487 1 lock held by syz-executor.3/5851: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c6c/0x25c8 block/ioctl.c:487 1 lock held by syz-executor.1/5888: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c6c/0x25c8 block/ioctl.c:487 1 lock held by syz-executor/5917: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c6c/0x25c8 block/ioctl.c:487 1 lock held by syz-executor.4/5922: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c6c/0x25c8 block/ioctl.c:487 1 lock held by syz-executor.2/5963: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c6c/0x25c8 block/ioctl.c:487 1 lock held by syz-executor.3/5970: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c6c/0x25c8 block/ioctl.c:487 1 lock held by syz-executor.1/5990: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c6c/0x25c8 block/ioctl.c:487 3 locks held by syz-executor.4/6000: #0: ffff8000162ad7e8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:72 [inline] #0: ffff8000162ad7e8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x98c/0xd04 net/core/rtnetlink.c:5647 #1: ffff0000f04213e8 (&wg->device_update_lock){+.+.}-{3:3}, at: wg_open+0x208/0x430 drivers/net/wireguard/device.c:49 #2: ffff800014355e28 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:290 [inline] #2: ffff800014355e28 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x2f0/0x5e0 kernel/rcu/tree_exp.h:845 1 lock held by syz-executor/6028: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c6c/0x25c8 block/ioctl.c:487 =============================================