------------[ cut here ]------------
WARNING: CPU: 1 PID: 6442 at mm/gup.c:2121 is_valid_gup_args+0x1dc/0x230
Modules linked in:
CPU: 1 PID: 6442 Comm: syz-executor.7 Not tainted 6.2.0-rc7-next-20230207 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:is_valid_gup_args+0x1dc/0x230
Code: dd ff 48 83 3c 24 00 0f 85 76 ff ff ff e8 5c 50 dd ff 0f 0b 45 31 e4 eb c9 e8 50 50 dd ff 0f 0b 45 31 e4 eb bd e8 44 50 dd ff <0f> 0b 45 31 e4 eb b1 e8 38 50 dd ff 0f 0b 45 31 e4 eb a5 e8 2c 50
RSP: 0018:ffff8880375cf610 EFLAGS: 00010216
RAX: 00000000000016e2 RBX: 0000000000040001 RCX: ffffc90007a1c000
RDX: 0000000000040000 RSI: ffffffff816e127c RDI: 0000000000000005
RBP: ffff8880375cf670 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000040000 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000040000 R15: 0000000000040000
FS: 00007f8adf0df700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001000 CR3: 0000000045550000 CR4: 0000000000350ee0
Call Trace:
pin_user_pages_fast+0x83/0x100
iov_iter_extract_pages+0x2b9/0x1e90
bio_iov_iter_get_pages+0x341/0x13c0
iomap_dio_bio_iter+0x78e/0x1350
__iomap_dio_rw+0xe22/0x1ce0
iomap_dio_rw+0x40/0xa0
ext4_file_read_iter+0x2f4/0x4a0
vfs_read+0x687/0x940
ksys_read+0x12b/0x260
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f8ae1b69b19
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:00007f8adf0df188 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f8ae1c7cf60 RCX: 00007f8ae1b69b19
RDX: 0000000000002000 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 00007f8ae1bc3f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc85d2f8af R14: 00007f8adf0df300 R15: 0000000000022000
irq event stamp: 1633
hardirqs last enabled at (1643): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (1654): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (1384): [] __irq_exit_rcu+0xcc/0x110
softirqs last disabled at (1363): [] __irq_exit_rcu+0xcc/0x110
---[ end trace 0000000000000000 ]---
loop1: detected capacity change from 0 to 336
FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
netlink: 168 bytes leftover after parsing attributes in process `syz-executor.1'.
loop1: detected capacity change from 0 to 40
netlink: 168 bytes leftover after parsing attributes in process `syz-executor.1'.
kworker/u4:7: attempt to access beyond end of device
loop1: rw=1, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop1, logical block 31, lost async page write
loop7: detected capacity change from 0 to 40
netlink: 168 bytes leftover after parsing attributes in process `syz-executor.1'.
loop1: detected capacity change from 0 to 40
loop7: detected capacity change from 0 to 40
kworker/u4:10: attempt to access beyond end of device
loop1: rw=1, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop1, logical block 31, lost async page write
netlink: 168 bytes leftover after parsing attributes in process `syz-executor.1'.
loop1: detected capacity change from 0 to 40
loop7: detected capacity change from 0 to 40
loop4: detected capacity change from 0 to 208
loop7: detected capacity change from 0 to 40
kworker/u4:6: attempt to access beyond end of device
loop1: rw=1, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop1, logical block 31, lost async page write
netlink: 168 bytes leftover after parsing attributes in process `syz-executor.1'.
loop1: detected capacity change from 0 to 40
loop0: detected capacity change from 0 to 208
kworker/u4:10: attempt to access beyond end of device
loop1: rw=1, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop1, logical block 31, lost async page write
loop0: detected capacity change from 0 to 208
audit: type=1400 audit(1675771082.164:13): avc: denied { tracepoint } for pid=6596 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
loop4: detected capacity change from 0 to 208
loop0: detected capacity change from 0 to 208
Unsupported ieee802154 address type: 0
loop4: detected capacity change from 0 to 208
Unsupported ieee802154 address type: 0
loop7: detected capacity change from 0 to 40
syz-executor.7: attempt to access beyond end of device
loop7: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop7, logical block 10, lost async page write
syz-executor.7: attempt to access beyond end of device
loop7: rw=2049, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop7, logical block 31, lost async page write
loop7: detected capacity change from 0 to 40
syz-executor.7: attempt to access beyond end of device
loop7: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop7, logical block 10, lost async page write
kworker/u4:10: attempt to access beyond end of device
loop7: rw=1, sector=44, nr_sectors = 80 limit=40
kworker/u4:10: attempt to access beyond end of device
loop7: rw=1, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop7, logical block 31, lost async page write
loop7: detected capacity change from 0 to 40
syz-executor.7: attempt to access beyond end of device
loop7: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop7, logical block 10, lost async page write
kworker/u4:7: attempt to access beyond end of device
loop7: rw=1, sector=44, nr_sectors = 80 limit=40
kworker/u4:7: attempt to access beyond end of device
loop7: rw=1, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop7, logical block 31, lost async page write
loop7: detected capacity change from 0 to 40
syz-executor.7: attempt to access beyond end of device
loop7: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop7, logical block 10, lost async page write
kworker/u4:3: attempt to access beyond end of device
loop7: rw=1, sector=44, nr_sectors = 80 limit=40
kworker/u4:3: attempt to access beyond end of device
loop7: rw=1, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop7, logical block 31, lost async page write
tmpfs: Unknown parameter 'fowner'
tmpfs: Unknown parameter 'fowner'
tmpfs: Unknown parameter 'fowner'