kernel read not supported for file /zero (pid: 9396 comm: kworker/1:2) ------------[ cut here ]------------ WARNING: CPU: 1 PID: 11503 at drivers/scsi/scsi_lib.c:1024 scsi_alloc_sgtables+0x9aa/0xbb0 Modules linked in: CPU: 1 PID: 11503 Comm: syz-executor.2 Not tainted 5.17.0-next-20220401 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:scsi_alloc_sgtables+0x9aa/0xbb0 Code: 48 c1 e8 03 80 3c 10 00 0f 85 57 01 00 00 48 c7 c0 00 00 00 80 48 2b 05 74 6e 39 02 48 89 04 24 e9 66 fd ff ff e8 16 f5 8b fe <0f> 0b 41 bc 0a 00 00 00 e9 83 fa ff ff 41 bc 09 00 00 00 e9 78 fa RSP: 0018:ffff88804b417578 EFLAGS: 00010216 RAX: 0000000000000461 RBX: ffff88800e458108 RCX: ffffc90001a00000 RDX: 0000000000040000 RSI: ffffffff82b7c1fa RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000004 R09: 0000000000000000 R10: ffffffff82b7c18d R11: 0000000000000000 R12: ffff88800e45801c R13: ffff88800c0ee000 R14: ffff88800e458000 R15: 0000000000000001 FS: 00007f804bda9700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fece1c53ff8 CR3: 000000001b680000 CR4: 0000000000350ee0 Call Trace: scsi_queue_rq+0x26dc/0x31f0 blk_mq_dispatch_rq_list+0x6c2/0x21d0 __blk_mq_sched_dispatch_requests+0x206/0x3e0 blk_mq_sched_dispatch_requests+0x101/0x180 __blk_mq_run_hw_queue+0xff/0x350 __blk_mq_delay_run_hw_queue+0x58a/0x670 blk_mq_run_hw_queue+0x321/0x4a0 blk_mq_sched_insert_request+0x2e5/0x3e0 blk_execute_rq+0xcc/0x340 sg_io+0x675/0xfe0 scsi_ioctl+0x52b/0x1540 sr_block_ioctl+0x1f0/0x240 blkdev_ioctl+0x356/0x7f0 __x64_sys_ioctl+0x196/0x210 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f804e833b19 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:00007f804bda9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f804e946f60 RCX: 00007f804e833b19 RDX: 00000000200003c0 RSI: 0000000000002285 RDI: 0000000000000003 RBP: 00007f804e88df6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdeac8c6cf R14: 00007f804bda9300 R15: 0000000000022000 irq event stamp: 1173 hardirqs last enabled at (1183): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1192): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (1124): [] __irq_exit_rcu+0x113/0x170 softirqs last disabled at (1087): [] __irq_exit_rcu+0x113/0x170 ---[ end trace 0000000000000000 ]--- FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 11521 Comm: syz-executor.7 Tainted: G W 5.17.0-next-20220401 #1 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_page_from_iter_atomic+0x4e4/0x1b10 generic_perform_write+0x2c2/0x570 __generic_file_write_iter+0x2d6/0x480 generic_file_write_iter+0xd7/0x220 new_sync_write+0x390/0x560 vfs_write+0x7b9/0xac0 __x64_sys_pwrite64+0x1f7/0x250 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fbba7e04ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fbba53c6f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fbba7e9b970 RCX: 00007fbba7e04ab7 RDX: 000000000000009f RSI: 0000000020010400 RDI: 0000000000000004 RBP: 0000000000000003 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000008000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000 loop4: detected capacity change from 0 to 64 FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)