sr 1:0:0:0: [sr0] tag#0 unaligned transfer
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 1
CPU: 0 PID: 4797 Comm: syz-executor.1 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: 4797, name: syz-executor.1
preempt_count: 0, expected: 0
RCU nest depth: 0, expected: 0
no locks held by syz-executor.1/4797.
irq event stamp: 478
hardirqs last  enabled at (477): [<ffffffff812bd8c8>] __up_console_sem+0x78/0x80
hardirqs last disabled at (478): [<ffffffff8411f196>] dump_stack_lvl+0x2e/0xb3
softirqs last  enabled at (472): [<ffffffff8116ba5b>] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (235): [<ffffffff8116ba5b>] __irq_exit_rcu+0x11b/0x180
CPU: 0 PID: 4797 Comm: syz-executor.1 Not tainted 6.0.0-rc1-next-20220819 #1
syz-executor.1[4797] cmdline: /syz-executor.1 exec
FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
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
 __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
 copyin+0x19/0x120
 _copy_from_iter+0x1d2/0x1210
 copy_page_from_iter+0x24c/0x510
 tun_build_skb+0x2d2/0x1130
 tun_get_user+0x6fb/0x3620
 tun_chr_write_iter+0xdb/0x1e0
 vfs_write+0x9c3/0xd90
 ksys_write+0x127/0x250
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f862cba95ff
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48
RSP: 002b:00007f862a16c150 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f862cd09f60 RCX: 00007f862cba95ff
RDX: 000000000000004a RSI: 0000000020000000 RDI: 00000000000000f0
RBP: 00007f862a16c1d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007ffd3bb5e8cf R14: 00007f862a16c300 R15: 0000000000022000
 </TASK>
loop7: detected capacity change from 0 to 40
platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
syz-executor.2 (4804) used greatest stack depth: 23248 bytes left
syz-executor.1[4797] cmdline: /syz-executor.1 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
 copyin+0x19/0x120
 _copy_from_iter+0x1d2/0x1210
 copy_page_from_iter+0x24c/0x510
 tun_build_skb+0x2d2/0x1130
 tun_get_user+0x6fb/0x3620
 tun_chr_write_iter+0xdb/0x1e0
 vfs_write+0x9c3/0xd90
 ksys_write+0x127/0x250
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f862cba95ff
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48
RSP: 002b:00007f862a16c150 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f862cd09f60 RCX: 00007f862cba95ff
RDX: 000000000000004a RSI: 0000000020000000 RDI: 00000000000000f0
RBP: 00007f862a16c1d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007ffd3bb5e8cf R14: 00007f862a16c300 R15: 0000000000022000
 </TASK>
syz-executor.7: attempt to access beyond end of device
loop7: rw=2049, sector=40, nr_sectors = 4 limit=40