INFO: task syz-executor573:7293 can't die for more than 143 seconds. task:syz-executor573 state:D stack:27632 pid: 7293 ppid: 6547 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:4955 [inline] __schedule+0x940/0x26f0 kernel/sched/core.c:6236 schedule+0xd3/0x270 kernel/sched/core.c:6315 rwsem_down_write_slowpath+0x7b9/0x11d0 kernel/locking/rwsem.c:1107 __down_write_common kernel/locking/rwsem.c:1262 [inline] __down_write_common kernel/locking/rwsem.c:1259 [inline] __down_write kernel/locking/rwsem.c:1271 [inline] down_write+0x137/0x150 kernel/locking/rwsem.c:1518 inode_lock include/linux/fs.h:786 [inline] lock_mount+0x8a/0x2e0 fs/namespace.c:2242 do_new_mount_fc fs/namespace.c:2931 [inline] do_new_mount fs/namespace.c:2990 [inline] path_mount+0x14c6/0x1fa0 fs/namespace.c:3318 do_mount fs/namespace.c:3331 [inline] __do_sys_mount fs/namespace.c:3539 [inline] __se_sys_mount fs/namespace.c:3516 [inline] __x64_sys_mount+0x27f/0x300 fs/namespace.c:3516 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f5f69903519 RSP: 002b:00007f5f698932f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f5f6998c4f0 RCX: 00007f5f69903519 RDX: 0000000020000200 RSI: 0000000020000000 RDI: 0000000000000000 RBP: 00007f5f69959084 R08: 0000000020000600 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e R13: 6c756e2f7665642f R14: 64663d736e617274 R15: 00007f5f6998c4f8 INFO: task syz-executor573:7687 can't die for more than 143 seconds. task:syz-executor573 state:D stack:27624 pid: 7687 ppid: 6548 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:4955 [inline] __schedule+0x940/0x26f0 kernel/sched/core.c:6236 schedule+0xd3/0x270 kernel/sched/core.c:6315 rwsem_down_write_slowpath+0x7b9/0x11d0 kernel/locking/rwsem.c:1107 __down_write_common kernel/locking/rwsem.c:1262 [inline] __down_write_common kernel/locking/rwsem.c:1259 [inline] __down_write kernel/locking/rwsem.c:1271 [inline] down_write+0x137/0x150 kernel/locking/rwsem.c:1518 inode_lock include/linux/fs.h:786 [inline] lock_mount+0x8a/0x2e0 fs/namespace.c:2242 do_new_mount_fc fs/namespace.c:2931 [inline] do_new_mount fs/namespace.c:2990 [inline] path_mount+0x14c6/0x1fa0 fs/namespace.c:3318 do_mount fs/namespace.c:3331 [inline] __do_sys_mount fs/namespace.c:3539 [inline] __se_sys_mount fs/namespace.c:3516 [inline] __x64_sys_mount+0x27f/0x300 fs/namespace.c:3516 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f5f69903519 RSP: 002b:00007f5f698b42f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f5f6998c4e0 RCX: 00007f5f69903519 RDX: 0000000020000200 RSI: 0000000020000000 RDI: 0000000000000000 RBP: 00007f5f69959084 R08: 0000000020000600 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e R13: 6c756e2f7665642f R14: 64663d736e617274 R15: 00007f5f6998c4e8 Showing all locks held in the system: 1 lock held by khungtaskd/26: #0: ffffffff8b980460 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6446 1 lock held by in:imklog/6237: #0: ffff88807323d270 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:990 1 lock held by syz-executor573/7293: #0: ffff88806ba09bf8 (&sb->s_type->i_mutex_key#17){++++}-{3:3}, at: inode_lock include/linux/fs.h:786 [inline] #0: ffff88806ba09bf8 (&sb->s_type->i_mutex_key#17){++++}-{3:3}, at: lock_mount+0x8a/0x2e0 fs/namespace.c:2242 1 lock held by syz-executor573/7687: #0: ffff88806ba09bf8 (&sb->s_type->i_mutex_key#17){++++}-{3:3}, at: inode_lock include/linux/fs.h:786 [inline] #0: ffff88806ba09bf8 (&sb->s_type->i_mutex_key#17){++++}-{3:3}, at: lock_mount+0x8a/0x2e0 fs/namespace.c:2242 2 locks held by syz-executor573/7743: #0: ffff888073224870 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:990 #1: ffff88806ba09bf8 (&sb->s_type->i_mutex_key#17){++++}-{3:3}, at: iterate_dir+0xcd/0x700 fs/readdir.c:55 2 locks held by syz-executor573/7824: 2 locks held by syz-executor573/8046: 3 locks held by syz-executor573/8048: =============================================