FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 1 CPU: 0 PID: 7149 Comm: syz-executor.7 Not tainted 6.0.0-rc1-next-20220818 #1 BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1521 in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 7149, name: syz-executor.7 preempt_count: 0, expected: 0 RCU nest depth: 0, expected: 0 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 1 no locks held by syz-executor.7/7149. irq event stamp: 1006 hardirqs last enabled at (1005): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1006): [] dump_stack_lvl+0x2e/0xb3 softirqs last enabled at (1000): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (947): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 7149 Comm: syz-executor.7 Not tainted 6.0.0-rc1-next-20220818 #1 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 1 CPU: 0 PID: 7157 Comm: syz-executor.2 Not tainted 6.0.0-rc1-next-20220818 #1 syz-executor.2[7157] 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 iovec_from_user+0x23a/0x3c0 __import_iovec+0x64/0x600 import_iovec+0x83/0xb0 vfs_writev+0xc1/0x630 do_writev+0x133/0x300 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fefb786fb19 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:00007fefb4dc4188 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 00007fefb7983020 RCX: 00007fefb786fb19 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 00007fefb4dc41d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffdced71bcf R14: 00007fefb4dc4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 7156 Comm: syz-executor.5 Not tainted 6.0.0-rc1-next-20220818 #1 syz-executor.5[7156] 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 iovec_from_user+0x23a/0x3c0 __import_iovec+0x64/0x600 import_iovec+0x83/0xb0 vfs_writev+0xc1/0x630 do_writev+0x133/0x300 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f40a05afb19 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:00007f409db25188 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 00007f40a06c2f60 RCX: 00007f40a05afb19 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 00007f409db251d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd594488cf R14: 00007f409db25300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 7160 Comm: syz-executor.1 Not tainted 6.0.0-rc1-next-20220818 #1 syz-executor.1[7160] 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_to_user+0x2a/0x140 simple_read_from_buffer+0xcc/0x160 proc_fail_nth_read+0x198/0x230 vfs_read+0x253/0x930 ksys_read+0x127/0x250 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fe5a971269c Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 fc ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 2f fd ff ff 48 RSP: 002b:00007fe5a6cd5170 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe5a971269c RDX: 000000000000000f RSI: 00007fe5a6cd51e0 RDI: 0000000000000004 RBP: 00007fe5a6cd51d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fffacc82a6f R14: 00007fe5a6cd5300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 7166 Comm: syz-executor.5 Not tainted 6.0.0-rc1-next-20220818 #1 syz-executor.5[7166] 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 copyin+0x19/0x120 _copy_from_iter+0x37d/0x1210 file_tty_write.constprop.0+0x449/0x8f0 do_iter_readv_writev+0x211/0x3c0 do_iter_write+0x18b/0x700 vfs_writev+0x1ae/0x630 do_writev+0x133/0x300 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f40a05afb19 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:00007f409db25188 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 00007f40a06c2f60 RCX: 00007f40a05afb19 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 00007f409db251d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd594488cf R14: 00007f409db25300 R15: 0000000000022000 syz-executor.7[7149] cmdline: 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 iovec_from_user+0x23a/0x3c0 __import_iovec+0x64/0x600 import_iovec+0x83/0xb0 vfs_writev+0xc1/0x630 do_writev+0x133/0x300 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fe3e3f16b19 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:00007fe3e148c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 00007fe3e4029f60 RCX: 00007fe3e3f16b19 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 00007fe3e148c1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc2d328def R14: 00007fe3e148c300 R15: 0000000000022000 syz-executor.7[7149] cmdline: 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 iovec_from_user+0x23a/0x3c0 __import_iovec+0x64/0x600 import_iovec+0x83/0xb0 vfs_writev+0xc1/0x630 do_writev+0x133/0x300 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fe3e3f16b19 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:00007fe3e148c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 00007fe3e4029f60 RCX: 00007fe3e3f16b19 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 00007fe3e148c1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc2d328def R14: 00007fe3e148c300 R15: 0000000000022000 CPU: 1 PID: 7153 Comm: syz-executor.3 Tainted: G W 6.0.0-rc1-next-20220818 #1 syz-executor.3[7153] 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 iovec_from_user+0x23a/0x3c0 __import_iovec+0x64/0x600 import_iovec+0x83/0xb0 vfs_writev+0xc1/0x630 do_writev+0x133/0x300 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f8380cf9b19 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:00007f837e26f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 00007f8380e0cf60 RCX: 00007f8380cf9b19 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 00007f837e26f1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc641cfb7f R14: 00007f837e26f300 R15: 0000000000022000