FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 1 CPU: 0 PID: 7049 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: 7049, name: syz-executor.4 preempt_count: 0, expected: 0 RCU nest depth: 0, expected: 0 no locks held by syz-executor.4/7049. irq event stamp: 472 hardirqs last enabled at (471): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (472): [] dump_stack_lvl+0x2e/0xb3 softirqs last enabled at (466): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (431): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 7049 Comm: syz-executor.4 Not tainted 6.0.0-rc1-next-20220819 #1 syz-executor.4[7049] 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 _copy_from_user+0x2a/0x170 set_user_sigmask+0xa0/0x2a0 __x64_sys_epoll_pwait+0x1b2/0x320 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f6ba38f9b19 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:00007f6ba0e6f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000119 RAX: ffffffffffffffda RBX: 00007f6ba3a0cf60 RCX: 00007f6ba38f9b19 RDX: 0000000000000002 RSI: 0000000020000180 RDI: ffffffffffffffff RBP: 00007f6ba0e6f1d0 R08: 0000000020000540 R09: 0000000000000008 R10: 00000000000005f7 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff6283687f R14: 00007f6ba0e6f300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 1 syz-executor.4[7049] 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 _copy_from_user+0x2a/0x170 set_user_sigmask+0xa0/0x2a0 __x64_sys_epoll_pwait+0x1b2/0x320 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f6ba38f9b19 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:00007f6ba0e6f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000119 RAX: ffffffffffffffda RBX: 00007f6ba3a0cf60 RCX: 00007f6ba38f9b19 RDX: 0000000000000002 RSI: 0000000020000180 RDI: ffffffffffffffff RBP: 00007f6ba0e6f1d0 R08: 0000000020000540 R09: 0000000000000008 R10: 00000000000005f7 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff6283687f R14: 00007f6ba0e6f300 R15: 0000000000022000 CPU: 1 PID: 7057 Comm: syz-executor.3 Tainted: G W 6.0.0-rc1-next-20220819 #1 syz-executor.3[7057] cmdline: /syz-executor.3 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 set_user_sigmask+0xa0/0x2a0 __x64_sys_epoll_pwait+0x1b2/0x320 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f2cfefafb19 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:00007f2cfc525188 EFLAGS: 00000246 ORIG_RAX: 0000000000000119 RAX: ffffffffffffffda RBX: 00007f2cff0c2f60 RCX: 00007f2cfefafb19 RDX: 0000000000000002 RSI: 0000000020000180 RDI: ffffffffffffffff RBP: 00007f2cfc5251d0 R08: 0000000020000540 R09: 0000000000000008 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe28d8979f R14: 00007f2cfc525300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 7070 Comm: syz-executor.2 Tainted: G W 6.0.0-rc1-next-20220819 #1 syz-executor.2[7070] cmdline: /syz-executor.2 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 get_user_ifreq+0x113/0x1c0 sock_do_ioctl+0x130/0x240 sock_ioctl+0x420/0x670 __x64_sys_ioctl+0x19a/0x210 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f006ccc1b19 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:00007f006a237188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f006cdd4f60 RCX: 00007f006ccc1b19 RDX: 0000000020000240 RSI: 0000000000008946 RDI: 0000000000000004 RBP: 00007f006a2371d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffdbf32c4df R14: 00007f006a237300 R15: 0000000000022000