FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 1 CPU: 0 PID: 5766 Comm: syz-executor.2 Not tainted 6.0.0-rc1-next-20220819 #1 loop4: detected capacity change from 0 to 4 BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1521 in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 5766, name: syz-executor.2 preempt_count: 0, expected: 0 RCU nest depth: 0, expected: 0 no locks held by syz-executor.2/5766. irq event stamp: 1878 hardirqs last enabled at (1877): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1878): [] dump_stack_lvl+0x2e/0xb3 softirqs last enabled at (1872): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (1803): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 5766 Comm: syz-executor.2 Not tainted 6.0.0-rc1-next-20220819 #1 FAT-fs (loop4): bogus number of reserved sectors FAT-fs (loop4): Can't find a valid FAT filesystem loop7: detected capacity change from 0 to 4 FAT-fs (loop5): invalid media value (0x00) FAT-fs (loop5): Can't find a valid FAT filesystem FAT-fs (loop7): invalid media value (0x00) FAT-fs (loop7): Can't find a valid FAT filesystem syz-executor.2[5766] 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 __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 sock_setsockopt+0xec6/0x34a0 __sys_setsockopt+0x25c/0x2b0 __x64_sys_setsockopt+0xba/0x160 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fea55505b19 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:00007fea52a7b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 1 RAX: ffffffffffffffda RBX: 00007fea55618f60 RCX: 00007fea55505b19 RDX: 0000000000000049 RSI: 0000000000000001 RDI: 0000000000000005 RBP: 00007fea52a7b1d0 R08: 0000000000000010 R09: 0000000000000000 R10: 0000000020000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc4e05c51f R14: 00007fea52a7b300 R15: 0000000000022000 syz-executor.2[5766] 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 sock_setsockopt+0xec6/0x34a0 __sys_setsockopt+0x25c/0x2b0 __x64_sys_setsockopt+0xba/0x160 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fea55505b19 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:00007fea52a7b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007fea55618f60 RCX: 00007fea55505b19 RDX: 0000000000000049 RSI: 0000000000000001 RDI: 0000000000000005 RBP: 00007fea52a7b1d0 R08: 0000000000000010 R09: 0000000000000000 R10: 0000000020000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc4e05c51f R14: 00007fea52a7b300 R15: 0000000000022000 CPU: 1 PID: 5781 Comm: syz-executor.0 Tainted: G W 6.0.0-rc1-next-20220819 #1 loop5: detected capacity change from 0 to 40 FAT-fs (loop5): invalid media value (0x00) FAT-fs (loop5): Can't find a valid FAT filesystem loop4: detected capacity change from 0 to 4 FAT-fs (loop4): bogus number of reserved sectors FAT-fs (loop4): Can't find a valid FAT filesystem syz-executor.0[5781] 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 _copy_from_user+0x2a/0x170 io_submit_one+0x94/0x1b10 __x64_sys_io_submit+0x18d/0x2f0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fea28d87b19 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:00007fea262dc188 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007fea28e9b020 RCX: 00007fea28d87b19 RDX: 0000000020000100 RSI: 0000000000000001 RDI: 00007fea28e7e000 RBP: 00007fea262dc1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcc01964ef R14: 00007fea262dc300 R15: 0000000000022000 loop7: detected capacity change from 0 to 4 FAT-fs (loop7): invalid media value (0x00) FAT-fs (loop7): Can't find a valid FAT filesystem loop4: detected capacity change from 0 to 4 FAT-fs (loop4): bogus number of reserved sectors FAT-fs (loop4): Can't find a valid FAT filesystem FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 5796 Comm: syz-executor.2 Tainted: G W 6.0.0-rc1-next-20220819 #1 syz-executor.2[5796] 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_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: 0033:0x7fea554b869c 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:00007fea52a7b170 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 00007fea554b869c RDX: 000000000000000f RSI: 00007fea52a7b1e0 RDI: 0000000000000006 RBP: 00007fea52a7b1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc4e05c51f R14: 00007fea52a7b300 R15: 0000000000022000