device lo entered promiscuous mode
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 1
CPU: 1 PID: 12819 Comm: syz-executor.0 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: 12819, name: syz-executor.0
preempt_count: 0, expected: 0
RCU nest depth: 0, expected: 0
1 lock held by syz-executor.0/12819:
 #0: ffff88800cf4d4e8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe7/0x100
irq event stamp: 446
hardirqs last  enabled at (445): [<ffffffff812bd8c8>] __up_console_sem+0x78/0x80
hardirqs last disabled at (446): [<ffffffff8411f196>] dump_stack_lvl+0x2e/0xb3
softirqs last  enabled at (436): [<ffffffff8116ba5b>] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (391): [<ffffffff8116ba5b>] __irq_exit_rcu+0x11b/0x180
CPU: 1 PID: 12819 Comm: syz-executor.0 Not tainted 6.0.0-rc1-next-20220819 #1
syz-executor.0[12819] cmdline: /syz-executor.0 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
 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: 0033:0x7f1fadd0a69c
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:00007f1fab2cd170 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1fadd0a69c
RDX: 000000000000000f RSI: 00007f1fab2cd1e0 RDI: 0000000000000004
RBP: 00007f1fab2cd1d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffd3c87fc8f R14: 00007f1fab2cd300 R15: 0000000000022000
 </TASK>
device lo left promiscuous mode
device lo entered promiscuous mode
syz-executor.0[12819] cmdline: /syz-executor.0 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: 0033:0x7f1fadd0a69c
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:00007f1fab2cd170 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1fadd0a69c
RDX: 000000000000000f RSI: 00007f1fab2cd1e0 RDI: 0000000000000004
RBP: 00007f1fab2cd1d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffd3c87fc8f R14: 00007f1fab2cd300 R15: 0000000000022000
 </TASK>
device lo left promiscuous mode
device lo entered promiscuous mode
device lo left promiscuous mode
device lo entered promiscuous mode
device lo left promiscuous mode
device lo entered promiscuous mode
device lo left promiscuous mode
device lo entered promiscuous mode
device lo left promiscuous mode
device lo entered promiscuous mode
device lo left promiscuous mode
device lo entered promiscuous mode
device lo left promiscuous mode