FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 1 CPU: 0 PID: 7056 Comm: syz-executor.4 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: 7056, name: syz-executor.4 preempt_count: 0, expected: 0 RCU nest depth: 0, expected: 0 no locks held by syz-executor.4/7056. irq event stamp: 292 hardirqs last enabled at (291): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (292): [] dump_stack_lvl+0x2e/0xb3 softirqs last enabled at (286): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (239): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 7056 Comm: syz-executor.4 Not tainted 6.0.0-rc1-next-20220819 #1 syz-executor.4[7056] cmdline: /syz-executor.4 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 strncpy_from_user+0x34/0x3e0 getname_flags.part.0+0x95/0x4f0 getname+0x8e/0xd0 do_sys_openat2+0xf9/0x4c0 __x64_sys_creat+0xc9/0x120 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f14959d4b19 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:00007f1492f29188 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f1495ae8020 RCX: 00007f14959d4b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000240 RBP: 00007f1492f291d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc83c1ac7f R14: 00007f1492f29300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 1 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 1 CPU: 0 PID: 7064 Comm: syz-executor.7 Tainted: G W 6.0.0-rc1-next-20220819 #1 syz-executor.7[7064] 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 should_fail.cold+0x5/0xa strncpy_from_user+0x34/0x3e0 getname_flags.part.0+0x95/0x4f0 getname+0x8e/0xd0 do_sys_openat2+0xf9/0x4c0 __x64_sys_creat+0xc9/0x120 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f84973e9b19 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:00007f849493e188 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f84974fd020 RCX: 00007f84973e9b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000240 RBP: 00007f849493e1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffed7206b3f R14: 00007f849493e300 R15: 0000000000022000 syz-executor.4[7056] cmdline: /syz-executor.4 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 strncpy_from_user+0x34/0x3e0 getname_flags.part.0+0x95/0x4f0 getname+0x8e/0xd0 do_sys_openat2+0xf9/0x4c0 __x64_sys_creat+0xc9/0x120 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f14959d4b19 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:00007f1492f29188 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f1495ae8020 RCX: 00007f14959d4b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000240 RBP: 00007f1492f291d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc83c1ac7f R14: 00007f1492f29300 R15: 0000000000022000 CPU: 1 PID: 7062 Comm: syz-executor.6 Tainted: G W 6.0.0-rc1-next-20220819 #1 syz-executor.6[7062] 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 strncpy_from_user+0x34/0x3e0 getname_flags.part.0+0x95/0x4f0 __x64_sys_mkdir+0xda/0x140 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fddd6f5ec27 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 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:00007fddd44d4fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fddd6f5ec27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000700 RBP: 00007fddd44d5040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000200006c0 R13: 0000000020000700 R14: 00007fddd44d5000 R15: 0000000020000140