loop1: detected capacity change from 0 to 40 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 1 CPU: 1 PID: 7040 Comm: syz-executor.3 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: 7040, name: syz-executor.3 preempt_count: 0, expected: 0 RCU nest depth: 0, expected: 0 no locks held by syz-executor.3/7040. irq event stamp: 830 hardirqs last enabled at (829): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (830): [] dump_stack_lvl+0x2e/0xb3 softirqs last enabled at (820): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (807): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 7040 Comm: syz-executor.3 Not tainted 6.0.0-rc1-next-20220818 #1 syz-executor.3[7040] 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 __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 copy_msghdr_from_user+0x89/0x150 ___sys_sendmsg+0xdd/0x1b0 __sys_sendmsg+0xf3/0x1c0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc2e8818b19 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:00007fc2e5d8e188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fc2e892bf60 RCX: 00007fc2e8818b19 RDX: 0000000000000000 RSI: 0000000020000780 RDI: 0000000000000006 RBP: 00007fc2e5d8e1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe52e1cd5f R14: 00007fc2e5d8e300 R15: 0000000000022000 loop4: detected capacity change from 0 to 40 syz-executor.3[7040] 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 copy_msghdr_from_user+0x89/0x150 ___sys_sendmsg+0xdd/0x1b0 __sys_sendmsg+0xf3/0x1c0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc2e8818b19 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:00007fc2e5d8e188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fc2e892bf60 RCX: 00007fc2e8818b19 RDX: 0000000000000000 RSI: 0000000020000780 RDI: 0000000000000006 RBP: 00007fc2e5d8e1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe52e1cd5f R14: 00007fc2e5d8e300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 7047 Comm: syz-executor.1 Tainted: G W 6.0.0-rc1-next-20220818 #1 syz-executor.1[7047] 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 copy_msghdr_from_user+0x89/0x150 ___sys_sendmsg+0xdd/0x1b0 __sys_sendmsg+0xf3/0x1c0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f6691380b19 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:00007f668e8f6188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f6691493f60 RCX: 00007f6691380b19 RDX: 0000000000000000 RSI: 0000000020000780 RDI: 0000000000000005 RBP: 00007f668e8f61d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe780ca11f R14: 00007f668e8f6300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 7068 Comm: syz-executor.6 Tainted: G W 6.0.0-rc1-next-20220818 #1 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 7064 Comm: syz-executor.1 Tainted: G W 6.0.0-rc1-next-20220818 #1 syz-executor.1[7064] 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 move_addr_to_kernel.part.0+0x31/0x110 __copy_msghdr+0x3c9/0x4b0 copy_msghdr_from_user+0xb4/0x150 ___sys_sendmsg+0xdd/0x1b0 __sys_sendmsg+0xf3/0x1c0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f6691380b19 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:00007f668e8f6188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f6691493f60 RCX: 00007f6691380b19 RDX: 0000000000000000 RSI: 0000000020000780 RDI: 0000000000000005 RBP: 00007f668e8f61d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe780ca11f R14: 00007f668e8f6300 R15: 0000000000022000 syz-executor.6[7068] 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 copy_msghdr_from_user+0x89/0x150 ___sys_sendmsg+0xdd/0x1b0 __sys_sendmsg+0xf3/0x1c0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f0657affb19 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:00007f0655075188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f0657c12f60 RCX: 00007f0657affb19 RDX: 0000000000000000 RSI: 0000000020000780 RDI: 0000000000000005 RBP: 00007f06550751d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd91d6348f R14: 00007f0655075300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 7070 Comm: syz-executor.3 Tainted: G W 6.0.0-rc1-next-20220818 #1 syz-executor.3[7070] 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 move_addr_to_kernel.part.0+0x31/0x110 __copy_msghdr+0x3c9/0x4b0 copy_msghdr_from_user+0xb4/0x150 ___sys_sendmsg+0xdd/0x1b0 __sys_sendmsg+0xf3/0x1c0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc2e8818b19 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:00007fc2e5d8e188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fc2e892bf60 RCX: 00007fc2e8818b19 RDX: 0000000000000000 RSI: 0000000020000780 RDI: 0000000000000006 RBP: 00007fc2e5d8e1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe52e1cd5f R14: 00007fc2e5d8e300 R15: 0000000000022000