EXT4-fs warning (device loop2): read_mmp_block:106: Error -117 while reading MMP block 64 EXT4-fs (loop5): Invalid want_extra_isize 52739 EXT4-fs (loop5): Invalid want_extra_isize 52739 INFO: task syz-executor.4:5078 blocked for more than 143 seconds. Not tainted 5.10.49 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:27952 pid: 5078 ppid: 403 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:3776 [inline] __schedule+0x83f/0x1e70 kernel/sched/core.c:4525 schedule+0xcb/0x270 kernel/sched/core.c:4603 rwsem_down_read_slowpath+0x2ad/0xb90 kernel/locking/rwsem.c:1099 __down_read kernel/locking/rwsem.c:1341 [inline] down_read+0x1f1/0x420 kernel/locking/rwsem.c:1506 mmap_read_lock include/linux/mmap_lock.h:46 [inline] exit_mm kernel/exit.c:450 [inline] do_exit+0x702/0x2780 kernel/exit.c:798 do_group_exit+0x125/0x310 kernel/exit.c:908 get_signal+0x469/0x2200 kernel/signal.c:2758 arch_do_signal+0x88/0x1a90 arch/x86/kernel/signal.c:789 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: 0033:0x466652 RSP: 002b:00007fff13cabc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: fffffffffffffffc RBX: 0000000000020022 RCX: 0000000000466652 RDX: 0000000000000000 RSI: 0000000000021000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000 R10: 0000000000020022 R11: 0000000000000246 R12: 00007fff13cabe10 R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000022000 INFO: task syz-executor.4:5089 blocked for more than 143 seconds. Not tainted 5.10.49 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:29096 pid: 5089 ppid: 403 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:3776 [inline] __schedule+0x83f/0x1e70 kernel/sched/core.c:4525 schedule+0xcb/0x270 kernel/sched/core.c:4603 rwsem_down_read_slowpath+0x2ad/0xb90 kernel/locking/rwsem.c:1099 __down_read kernel/locking/rwsem.c:1341 [inline] down_read+0x1f1/0x420 kernel/locking/rwsem.c:1506 mmap_read_lock include/linux/mmap_lock.h:46 [inline] exit_mm kernel/exit.c:450 [inline] do_exit+0x702/0x2780 kernel/exit.c:798 do_group_exit+0x125/0x310 kernel/exit.c:908 get_signal+0x469/0x2200 kernel/signal.c:2758 arch_do_signal+0x88/0x1a90 arch/x86/kernel/signal.c:789 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: 0033:0x466609 RSP: 002b:00007f9aa4f46218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 000000000056bf88 RCX: 0000000000466609 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000056bf88 RBP: 000000000056bf80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf8c R13: 00007fff13cabc8f R14: 00007f9aa4f46300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/22: #0: ffffffff84df64a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6263 1 lock held by in:imklog/381: 1 lock held by syz-executor.4/5078: #0: ffff888008499d28 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:46 [inline] #0: ffff888008499d28 (&mm->mmap_lock#2){++++}-{3:3}, at: exit_mm kernel/exit.c:450 [inline] #0: ffff888008499d28 (&mm->mmap_lock#2){++++}-{3:3}, at: do_exit+0x702/0x2780 kernel/exit.c:798 1 lock held by syz-executor.4/5089: #0: ffff888008499d28 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:46 [inline] #0: ffff888008499d28 (&mm->mmap_lock#2){++++}-{3:3}, at: exit_mm kernel/exit.c:450 [inline] #0: ffff888008499d28 (&mm->mmap_lock#2){++++}-{3:3}, at: do_exit+0x702/0x2780 kernel/exit.c:798 1 lock held by syz-executor.4/5098: =============================================