EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.2 not setting count and/or reply_len properly
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WARNING: CPU: 1 PID: 4711 at lib/iov_iter.c:644 _copy_from_iter+0x2f1/0x1320
Modules linked in:
CPU: 1 PID: 4711 Comm: syz-executor.2 Tainted: G L 6.4.0-rc2-next-20230519 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:_copy_from_iter+0x2f1/0x1320
Code: 92 ff ff 89 c3 e9 1f ff ff ff e8 da c6 35 ff be 88 02 00 00 48 c7 c7 00 dc 9e 84 e8 99 00 5a ff e9 13 fe ff ff e8 bf c6 35 ff <0f> 0b 45 31 f6 e9 67 ff ff ff e8 b0 c6 35 ff 31 ff 89 ee e8 e7 c1
RSP: 0018:ffff88804494f608 EFLAGS: 00010206
RAX: 0000000000004600 RBX: 0000000000000000 RCX: ffffc90007a08000
RDX: 0000000000040000 RSI: ffffffff82162c81 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8180d6b5 R12: 0000000000001000
R13: ffffea00010ff800 R14: 0000000000001000 R15: ffff88804494f838
FS: 00007f1d9f7ef700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c421000 CR3: 0000000042c6e000 CR4: 0000000000350ee0
Call Trace:
copy_page_from_iter+0xe3/0x180
blk_rq_map_user_iov+0xb39/0x16c0
blk_rq_map_user_io+0x1d1/0x200
sg_common_write.constprop.0+0xd8d/0x15f0
sg_write.part.0+0x698/0xac0
sg_write+0x8d/0xe0
vfs_write+0x2b8/0xd40
ksys_write+0x12b/0x260
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f1da229ab19
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:00007f1d9f7ef188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1da23ae020 RCX: 00007f1da229ab19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005
RBP: 00007f1da22f4f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc93a10eaf R14: 00007f1d9f7ef300 R15: 0000000000022000
irq event stamp: 3181
hardirqs last enabled at (3207): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20
hardirqs last disabled at (3228): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (1912): [] irq_exit_rcu+0x93/0xc0
softirqs last disabled at (1877): [] irq_exit_rcu+0x93/0xc0
---[ end trace 0000000000000000 ]---
audit: type=1326 audit(1684575033.328:12): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4678 comm="syz-executor.4" exe="/syz-executor.4" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fb72804fb19 code=0x0
EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.2 not setting count and/or reply_len properly
kworker/u4:0: attempt to access beyond end of device
loop5: rw=1, sector=44, nr_sectors = 80 limit=40
kworker/u4:0: attempt to access beyond end of device
loop5: rw=1, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop5, logical block 31, lost async page write