FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 1
CPU: 0 PID: 18134 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: 18134, name: syz-executor.6
preempt_count: 0, expected: 0
RCU nest depth: 0, expected: 0
1 lock held by syz-executor.6/18134:
#0: ffff88800ba32868 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe7/0x100
irq event stamp: 684
hardirqs last enabled at (683): [<ffffffff812bd8c8>] __up_console_sem+0x78/0x80
hardirqs last disabled at (684): [<ffffffff8411f196>] dump_stack_lvl+0x2e/0xb3
softirqs last enabled at (678): [<ffffffff8116ba5b>] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (651): [<ffffffff8116ba5b>] __irq_exit_rcu+0x11b/0x180
CPU: 0 PID: 18134 Comm: syz-executor.6 Not tainted 6.0.0-rc1-next-20220819 #1
loop4: detected capacity change from 0 to 256
syz-executor.6[18134] 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
__might_resched.cold+0x222/0x26b
down_read_killable+0x75/0x490
__access_remote_vm+0xac/0x6f0
get_mm_cmdline.part.0+0x214/0x600
FAT-fs (loop4): bogus number of FAT sectors
FAT-fs (loop4): Can't find a valid FAT filesystem
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
_copy_to_user+0x2a/0x140
simple_read_from_buffer+0xcc/0x160
proc_fail_nth_read+0x198/0x230
vfs_read+0x253/0x930
ksys_read+0x127/0x250
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f446220f69c
Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 fc ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 2f fd ff ff 48
RSP: 002b:00007f445f7d2170 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f446220f69c
RDX: 000000000000000f RSI: 00007f445f7d21e0 RDI: 0000000000000006
RBP: 00007f445f7d21d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffe5bf18d3f R14: 00007f445f7d2300 R15: 0000000000022000
</TASK>
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
syz-executor.6[18134] 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
_copy_to_user+0x2a/0x140
simple_read_from_buffer+0xcc/0x160
proc_fail_nth_read+0x198/0x230
vfs_read+0x253/0x930
ksys_read+0x127/0x250
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f446220f69c
Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 fc ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 2f fd ff ff 48
RSP: 002b:00007f445f7d2170 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f446220f69c
RDX: 000000000000000f RSI: 00007f445f7d21e0 RDI: 0000000000000006
RBP: 00007f445f7d21d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffe5bf18d3f R14: 00007f445f7d2300 R15: 0000000000022000
</TASK>
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current]
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 40 00
blk_print_req_error: 86 callbacks suppressed
I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
buffer_io_error: 118 callbacks suppressed
Buffer I/O error on dev sr0, logical block 0, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 1 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 1, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 2, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 3 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 3, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 4, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 5 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 5, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 6, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 7 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 7, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 0, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
Buffer I/O error on dev sr0, logical block 1, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
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 0
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
CPU: 1 PID: 18433 Comm: syz-executor.2 Tainted: G W 6.0.0-rc1-next-20220819 #1
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
syz-executor.2[18433] cmdline: /syz-executor.2 exec
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Call Trace:
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
<TASK>
dump_stack_lvl+0x8b/0xb3
should_fail.cold+0x5/0xa
_copy_from_user+0x2a/0x170
__x64_sys_sched_setaffinity+0xf1/0x170
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f230d046b19
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
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
RSP: 002b:00007f230a5bc188 EFLAGS: 00000246 ORIG_RAX: 00000000000000cb
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
RAX: ffffffffffffffda RBX: 00007f230d159f60 RCX: 00007f230d046b19
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
RDX: 0000000020000240 RSI: 0000000000000008 RDI: 0000000000000000
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
RBP: 00007f230a5bc1d0 R08: 0000000000000000 R09: 0000000000000000
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
R13: 00007ffcc8bab16f R14: 00007f230a5bc300 R15: 0000000000022000
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
</TASK>
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer