FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 1 CPU: 0 PID: 5308 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: 5308, name: syz-executor.6 preempt_count: 0, expected: 0 RCU nest depth: 0, expected: 0 no locks held by syz-executor.6/5308. irq event stamp: 406 hardirqs last enabled at (405): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (406): [] dump_stack_lvl+0x2e/0xb3 softirqs last enabled at (394): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (337): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 5308 Comm: syz-executor.6 Not tainted 6.0.0-rc1-next-20220819 #1 syz-executor.6[5308] 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: 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_from_user+0x2a/0x170 snd_seq_ioctl+0x1b4/0x3f0 __x64_sys_ioctl+0x19a/0x210 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7ff3f3e28b19 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:00007ff3f139e188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007ff3f3f3bf60 RCX: 00007ff3f3e28b19 RDX: 0000000020000400 RSI: 00000000c0a85352 RDI: 0000000000000003 RBP: 00007ff3f139e1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc04f432af R14: 00007ff3f139e300 R15: 0000000000022000 syz-executor.6[5308] 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: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa sr 1:0:0:0: [sr0] tag#0 unaligned transfer _copy_from_user+0x2a/0x170 I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 snd_seq_ioctl+0x1b4/0x3f0 Buffer I/O error on dev sr0, logical block 0, async page read __x64_sys_ioctl+0x19a/0x210 sr 1:0:0:0: [sr0] tag#0 unaligned transfer do_syscall_64+0x3b/0x90 I/O error, dev sr0, sector 1 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 entry_SYSCALL_64_after_hwframe+0x63/0xcd Buffer I/O error on dev sr0, logical block 1, async page read RIP: 0033:0x7ff3f3e28b19 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:00007ff3f139e188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 I/O error, dev sr0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 RAX: ffffffffffffffda RBX: 00007ff3f3f3bf60 RCX: 00007ff3f3e28b19 Buffer I/O error on dev sr0, logical block 2, async page read RDX: 0000000020000400 RSI: 00000000c0a85352 RDI: 0000000000000003 sr 1:0:0:0: [sr0] tag#0 unaligned transfer RBP: 00007ff3f139e1d0 R08: 0000000000000000 R09: 0000000000000000 I/O error, dev sr0, sector 3 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 Buffer I/O error on dev sr0, logical block 3, async page read R13: 00007ffc04f432af R14: 00007ff3f139e300 R15: 0000000000022000 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 device syz_tun entered promiscuous mode ======================================================