WARNING: CPU: 1 PID: 8109 at block/blk-core.c:704 bio_check_ro block/blk-core.c:704 [inline] WARNING: CPU: 1 PID: 8109 at block/blk-core.c:704 submit_bio_checks+0x1577/0x18d0 block/blk-core.c:832 Modules linked in: CPU: 1 PID: 8109 Comm: syz-executor.6 Not tainted 5.10.79 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:bio_check_ro block/blk-core.c:704 [inline] RIP: 0010:submit_bio_checks+0x1577/0x18d0 block/blk-core.c:832 Code: 03 00 00 45 8b a4 24 a4 05 00 00 48 89 ef 48 8d 74 24 50 e8 bb 32 fe ff 48 c7 c7 c0 57 3a 84 48 89 c6 44 89 e2 e8 02 d4 ea 01 <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 80 3c 02 RSP: 0018:ffff88804ab2f5e0 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 1ffff11009565ec2 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff812938f3 RDI: ffffed1009565eae RBP: ffff88801aef6100 R08: 0000000000000001 R09: ffff88806cf1ffdb R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88800d613040 R14: ffff88801aef6110 R15: ffff88801aef6108 FS: 00007fea9be95700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d82a000 CR3: 000000000e028000 CR4: 0000000000350ee0 Call Trace: submit_bio_noacct+0x7a/0xce0 block/blk-core.c:1044 submit_bio+0xf3/0x4e0 block/blk-core.c:1129 submit_bh_wbc.constprop.0+0x580/0x770 fs/buffer.c:3054 submit_bh fs/buffer.c:3060 [inline] __sync_dirty_buffer+0x16a/0x3f0 fs/buffer.c:3155 ext4_write_inode+0x575/0x630 fs/ext4/inode.c:5247 write_inode fs/fs-writeback.c:1326 [inline] __writeback_single_inode+0x943/0xd90 fs/fs-writeback.c:1524 writeback_single_inode+0x2aa/0x560 fs/fs-writeback.c:1578 sync_inode fs/fs-writeback.c:2589 [inline] sync_inode_metadata+0xbf/0x100 fs/fs-writeback.c:2609 ext4_fsync_nojournal fs/ext4/fsync.c:92 [inline] ext4_sync_file+0x9c3/0xf30 fs/ext4/fsync.c:170 vfs_fsync_range+0x13d/0x230 fs/sync.c:200 generic_write_sync include/linux/fs.h:2739 [inline] ext4_buffered_write_iter+0x36a/0x4d0 fs/ext4/file.c:278 ext4_file_write_iter+0x4ee/0x1890 fs/ext4/file.c:681 call_write_iter include/linux/fs.h:1903 [inline] new_sync_write+0x42c/0x660 fs/read_write.c:518 vfs_write+0x743/0xa20 fs/read_write.c:605 ksys_write+0x12d/0x250 fs/read_write.c:658 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fea9e91fb19 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:00007fea9be95188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fea9ea32f60 RCX: 00007fea9e91fb19 RDX: 0000000000000010 RSI: 0000000020000540 RDI: 0000000000000003 RBP: 00007fea9e979f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffffd25544f R14: 00007fea9be95300 R15: 0000000000022000 irq event stamp: 3965 hardirqs last enabled at (3971): [] console_trylock_spinning kernel/printk/printk.c:1847 [inline] hardirqs last enabled at (3971): [] vprintk_emit+0x482/0x4d0 kernel/printk/printk.c:2051 hardirqs last disabled at (3976): [] console_trylock_spinning kernel/printk/printk.c:1826 [inline] hardirqs last disabled at (3976): [] vprintk_emit+0x414/0x4d0 kernel/printk/printk.c:2051 softirqs last enabled at (3630): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (3579): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 3cfa2f50100abceb ]--- FAT-fs (loop5): Unrecognized mount option ">" or missing value EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue