FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 1 CPU: 0 PID: 16252 Comm: syz-executor.5 Not tainted 6.0.0-rc1-next-20220822 #1 BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1521 in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 16252, name: syz-executor.5 preempt_count: 0, expected: 0 RCU nest depth: 0, expected: 0 1 lock held by syz-executor.5/16252: #0: ffff88800f24c130 (sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP){+.+.}-{0:0}, at: l2cap_sock_setsockopt+0x12e/0x2150 irq event stamp: 586 hardirqs last enabled at (585): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (586): [] dump_stack_lvl+0x2e/0xb3 softirqs last enabled at (580): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (575): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 16252 Comm: syz-executor.5 Not tainted 6.0.0-rc1-next-20220822 #1 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 1 CPU: 0 PID: 16260 Comm: syz-executor.0 Not tainted 6.0.0-rc1-next-20220822 #1 syz-executor.0[16260] 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 strncpy_from_user+0x34/0x3e0 getname_flags.part.0+0x95/0x4f0 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 1 getname+0x8e/0xd0 do_sys_openat2+0xf9/0x4c0 __x64_sys_openat+0x13f/0x1f0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f0a5625ab19 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:00007f0a537d0188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f0a5636df60 RCX: 00007f0a5625ab19 RDX: 0000000000105102 RSI: 0000000020000900 RDI: ffffffffffffff9c RBP: 00007f0a537d01d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc84252b0f R14: 00007f0a537d0300 R15: 0000000000022000 syz-executor.5[16252] cmdline: /syz-executor.5 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 l2cap_sock_setsockopt+0x17d9/0x2150 __sys_setsockopt+0x180/0x2b0 __x64_sys_setsockopt+0xba/0x160 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fd6870bab19 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:00007fd684630188 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007fd6871cdf60 RCX: 00007fd6870bab19 RDX: 0000000000000004 RSI: 0000000000000112 RDI: 0000000000000004 RBP: 00007fd6846301d0 R08: 0000000000000002 R09: 0000000000000000 R10: 0000000020000280 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff3fbe015f R14: 00007fd684630300 R15: 0000000000022000 syz-executor.5[16252] cmdline: /syz-executor.5 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 l2cap_sock_setsockopt+0x17d9/0x2150 __sys_setsockopt+0x180/0x2b0 __x64_sys_setsockopt+0xba/0x160 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fd6870bab19 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:00007fd684630188 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007fd6871cdf60 RCX: 00007fd6870bab19 RDX: 0000000000000004 RSI: 0000000000000112 RDI: 0000000000000004 RBP: 00007fd6846301d0 R08: 0000000000000002 R09: 0000000000000000 R10: 0000000020000280 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff3fbe015f R14: 00007fd684630300 R15: 0000000000022000 CPU: 1 PID: 16261 Comm: syz-executor.1 Tainted: G W 6.0.0-rc1-next-20220822 #1 syz-executor.1[16261] cmdline: /syz-executor.1 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 l2cap_sock_setsockopt+0x17d9/0x2150 __sys_setsockopt+0x180/0x2b0 __x64_sys_setsockopt+0xba/0x160 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f5c72303b19 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:00007f5c6f879188 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f5c72416f60 RCX: 00007f5c72303b19 RDX: 0000000000000004 RSI: 0000000000000112 RDI: 0000000000000004 RBP: 00007f5c6f8791d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc95807dbf R14: 00007f5c6f879300 R15: 0000000000022000