loop3: detected capacity change from 0 to 140
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 1
CPU: 1 PID: 5204 Comm: syz-executor.6 Not tainted 6.0.0-rc1-next-20220819 #1
BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1521
in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 5204, name: syz-executor.6
preempt_count: 0, expected: 0
RCU nest depth: 0, expected: 0
no locks held by syz-executor.6/5204.
irq event stamp: 240
hardirqs last  enabled at (239): [<ffffffff812bd8c8>] __up_console_sem+0x78/0x80
hardirqs last disabled at (240): [<ffffffff8411f196>] dump_stack_lvl+0x2e/0xb3
softirqs last  enabled at (234): [<ffffffff8116ba5b>] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (225): [<ffffffff8116ba5b>] __irq_exit_rcu+0x11b/0x180
CPU: 1 PID: 5204 Comm: syz-executor.6 Not tainted 6.0.0-rc1-next-20220819 #1
EXT4-fs error (device loop3): __ext4_fill_super:5244: inode #2: comm syz-executor.3: iget: root inode unallocated
syz-executor.6[5204] cmdline: /syz-executor.6 exec
EXT4-fs (loop3): get root inode failed
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
EXT4-fs (loop3): mount failed
Call Trace:
 <TASK>
 dump_stack_lvl+0x8b/0xb3
 __might_resched.cold+0x222/0x26b
 down_read_killable+0x75/0x490
 __access_remote_vm+0xac/0x6f0
 get_mm_cmdline.part.0+0x214/0x600
 get_task_cmdline_kernel+0x1e9/0x230
 dump_stack_print_cmdline.part.0+0x82/0x150
 dump_stack_print_info+0x185/0x190
 dump_stack_lvl+0x7f/0xb3
 should_fail.cold+0x5/0xa
 strncpy_from_user+0x34/0x3e0
 __do_sys_request_key+0x85/0x3b0
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f43ee6ccb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f43ebc42188 EFLAGS: 00000246 ORIG_RAX: 00000000000000f9
RAX: ffffffffffffffda RBX: 00007f43ee7dff60 RCX: 00007f43ee6ccb19
RDX: 0000000000000000 RSI: 0000000020000640 RDI: 00000000200007c0
RBP: 00007f43ebc421d0 R08: 0000000000000000 R09: 0000000000000000
R10: fffffffffffffffd R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffedfb969bf R14: 00007f43ebc42300 R15: 0000000000022000
 </TASK>
EXT4-fs error (device loop7): __ext4_fill_super:5244: inode #2: comm syz-executor.7: iget: root inode unallocated
EXT4-fs (loop7): get root inode failed
EXT4-fs (loop7): mount failed
syz-executor.6[5204] cmdline: /syz-executor.6 exec
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x8b/0xb3
 should_fail.cold+0x5/0xa
 strncpy_from_user+0x34/0x3e0
 __do_sys_request_key+0x85/0x3b0
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f43ee6ccb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f43ebc42188 EFLAGS: 00000246 ORIG_RAX: 00000000000000f9
RAX: ffffffffffffffda RBX: 00007f43ee7dff60 RCX: 00007f43ee6ccb19
RDX: 0000000000000000 RSI: 0000000020000640 RDI: 00000000200007c0
RBP: 00007f43ebc421d0 R08: 0000000000000000 R09: 0000000000000000
R10: fffffffffffffffd R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffedfb969bf R14: 00007f43ebc42300 R15: 0000000000022000
 </TASK>
loop3: detected capacity change from 0 to 140
EXT4-fs error (device loop3): __ext4_fill_super:5244: inode #2: comm syz-executor.3: iget: root inode unallocated
EXT4-fs (loop3): get root inode failed
EXT4-fs (loop3): mount failed