FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 1 CPU: 1 PID: 7331 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: 7331, name: syz-executor.6 preempt_count: 0, expected: 0 RCU nest depth: 0, expected: 0 1 lock held by syz-executor.6/7331: #0: ffff88800f261968 (&tu->ioctl_lock){+.+.}-{3:3}, at: snd_timer_user_ioctl+0x4c/0xb0 irq event stamp: 418 hardirqs last enabled at (417): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (418): [] dump_stack_lvl+0x2e/0xb3 softirqs last enabled at (412): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (353): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 7331 Comm: syz-executor.6 Not tainted 6.0.0-rc1-next-20220819 #1 syz-executor.6[7331] 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_timer_user_params.isra.0+0xea/0x8c0 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 1 CPU: 1 PID: 7339 Comm: syz-executor.7 Not tainted 6.0.0-rc1-next-20220819 #1 __snd_timer_user_ioctl.isra.0+0x103c/0x2500 syz-executor.7[7339] cmdline: /syz-executor.7 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 snd_timer_user_ioctl+0x77/0xb0 should_fail.cold+0x5/0xa _copy_from_user+0x2a/0x170 __x64_sys_ioctl+0x19a/0x210 do_syscall_64+0x3b/0x90 snd_timer_user_params.isra.0+0xea/0x8c0 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fa1785d2b19 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:00007fa175b48188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fa1786e5f60 RCX: 00007fa1785d2b19 __snd_timer_user_ioctl.isra.0+0x103c/0x2500 RDX: 00000000200000c0 RSI: 0000000040505412 RDI: 0000000000000003 RBP: 00007fa175b481d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe29b29e8f R14: 00007fa175b48300 R15: 0000000000022000 snd_timer_user_ioctl+0x77/0xb0 __x64_sys_ioctl+0x19a/0x210 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f872ec8cb19 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:00007f872c202188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f872ed9ff60 RCX: 00007f872ec8cb19 RDX: 00000000200000c0 RSI: 0000000040505412 RDI: 0000000000000003 RBP: 00007f872c2021d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc521637cf R14: 00007f872c202300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 syz-executor.6[7331] 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 _copy_from_user+0x2a/0x170 snd_timer_user_params.isra.0+0xea/0x8c0 __snd_timer_user_ioctl.isra.0+0x103c/0x2500 snd_timer_user_ioctl+0x77/0xb0 __x64_sys_ioctl+0x19a/0x210 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fa1785d2b19 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:00007fa175b48188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fa1786e5f60 RCX: 00007fa1785d2b19 RDX: 00000000200000c0 RSI: 0000000040505412 RDI: 0000000000000003 RBP: 00007fa175b481d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe29b29e8f R14: 00007fa175b48300 R15: 0000000000022000 CPU: 0 PID: 7345 Comm: syz-executor.0 Tainted: G W 6.0.0-rc1-next-20220819 #1 syz-executor.0[7345] 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: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa _copy_from_user+0x2a/0x170 snd_timer_user_params.isra.0+0xea/0x8c0 __snd_timer_user_ioctl.isra.0+0x103c/0x2500 snd_timer_user_ioctl+0x77/0xb0 __x64_sys_ioctl+0x19a/0x210 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f48fb119b19 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:00007f48f868f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f48fb22cf60 RCX: 00007f48fb119b19 RDX: 00000000200000c0 RSI: 0000000040505412 RDI: 0000000000000003 RBP: 00007f48f868f1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd08c9b04f R14: 00007f48f868f300 R15: 0000000000022000