------------[ cut here ]------------
WARNING: CPU: 0 PID: 6409 at mm/gup.c:2121 is_valid_gup_args+0x1dc/0x230
Modules linked in:
CPU: 0 PID: 6409 Comm: syz-executor.6 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:ffff88803dacf508 EFLAGS: 00010212
RAX: 0000000000010881 RBX: 0000000000040000 RCX: ffffc900033f1000
RDX: 0000000000040000 RSI: ffffffff816e127c RDI: 0000000000000005
RBP: ffff88803dacf568 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000040000 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000040000 R15: 0000000000040000
FS:  00007fdb25d17700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9870b1fe08 CR3: 000000001e6e8000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 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_write_iter+0xb5d/0x1930
 vfs_write+0x9b4/0xdc0
 ksys_write+0x12b/0x260
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7fdb287a1b19
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:00007fdb25d17188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fdb288b4f60 RCX: 00007fdb287a1b19
RDX: 0000000000140000 RSI: 0000000020000200 RDI: 0000000000000005
RBP: 00007fdb287fbf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff99c7851f R14: 00007fdb25d17300 R15: 0000000000022000
 </TASK>
irq event stamp: 13627
hardirqs last  enabled at (13663): [<ffffffff8460144a>] asm_sysvec_apic_timer_interrupt+0x1a/0x20
hardirqs last disabled at (13702): [<ffffffff8446523f>] sysvec_apic_timer_interrupt+0xf/0x90
softirqs last  enabled at (8006): [<ffffffff8118cdec>] __irq_exit_rcu+0xcc/0x110
softirqs last disabled at (7393): [<ffffffff8118cdec>] __irq_exit_rcu+0xcc/0x110
---[ end trace 0000000000000000 ]---
loop0: detected capacity change from 0 to 2560
audit: type=1400 audit(1675767342.862:11): avc:  denied  { watch_reads } for  pid=6456 comm="syz-executor.4" path="/dev/bsg" dev="devtmpfs" ino=113 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:device_t:s0 tclass=dir permissive=1
EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir637628232/syzkaller.UuHkZy/113/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
loop0: detected capacity change from 0 to 2560
EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir637628232/syzkaller.UuHkZy/114/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
loop0: detected capacity change from 0 to 2560
EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir637628232/syzkaller.UuHkZy/115/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
loop0: detected capacity change from 0 to 2560
EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir637628232/syzkaller.UuHkZy/116/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
cgroup: fork rejected by pids controller in /syz5
Bluetooth: hci6: command 0x0406 tx timeout
Bluetooth: hci7: command 0x0406 tx timeout
Bluetooth: hci5: command 0x0406 tx timeout
Bluetooth: hci4: command 0x0406 tx timeout
Bluetooth: hci3: command 0x0406 tx timeout
Bluetooth: hci1: command 0x0406 tx timeout
syz-executor.7 (6889) used greatest stack depth: 23616 bytes left
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'.
Bluetooth: hci2: Controller not accepting commands anymore: ncmd = 0
Bluetooth: hci2: Injecting HCI hardware error event
Bluetooth: hci2: hardware error 0x00