------------[ cut here ]------------
WARNING: CPU: 1 PID: 6399 at mm/gup.c:2121 is_valid_gup_args+0x1dc/0x230
Modules linked in:
CPU: 1 PID: 6399 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:ffff88803d57f508 EFLAGS: 00010212
RAX: 0000000000008153 RBX: 0000000000040000 RCX: ffffc90007817000
RDX: 0000000000040000 RSI: ffffffff816e127c RDI: 0000000000000005
RBP: ffff88803d57f568 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000040000 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000040000 R15: 0000000000040000
FS:  00007f0a235a5700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c228000 CR3: 000000001f3ec000 CR4: 0000000000350ee0
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: 0033:0x7f0a2602fb19
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:00007f0a235a5188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f0a26142f60 RCX: 00007f0a2602fb19
RDX: 0000000000140000 RSI: 0000000020000200 RDI: 0000000000000003
RBP: 00007f0a26089f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffec6e9f4bf R14: 00007f0a235a5300 R15: 0000000000022000
 </TASK>
irq event stamp: 1165
hardirqs last  enabled at (1175): [<ffffffff812f92f8>] __up_console_sem+0x78/0x80
hardirqs last disabled at (1186): [<ffffffff812f92dd>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (836): [<ffffffff8118cdec>] __irq_exit_rcu+0xcc/0x110
softirqs last disabled at (805): [<ffffffff8118cdec>] __irq_exit_rcu+0xcc/0x110
---[ end trace 0000000000000000 ]---
Process accounting resumed
syz-executor.4 uses obsolete (PF_INET,SOCK_PACKET)
perf: interrupt took too long (2526 > 2500), lowering kernel.perf_event_max_sample_rate to 79000
perf: interrupt took too long (3199 > 3157), lowering kernel.perf_event_max_sample_rate to 62000
perf: interrupt took too long (4028 > 3998), lowering kernel.perf_event_max_sample_rate to 49000
perf: interrupt took too long (5078 > 5035), lowering kernel.perf_event_max_sample_rate to 39000
random: crng reseeded on system resumption
perf: interrupt took too long (6374 > 6347), lowering kernel.perf_event_max_sample_rate to 31000
Restarting kernel threads ... done.
random: crng reseeded on system resumption
random: crng reseeded on system resumption
Restarting kernel threads ... done.
random: crng reseeded on system resumption
Restarting kernel threads ... done.
random: crng reseeded on system resumption
Restarting kernel threads ... done.
random: crng reseeded on system resumption
Restarting kernel threads ... done.
random: crng reseeded on system resumption
device lo entered promiscuous mode
Restarting kernel threads ... done.
device lo left promiscuous mode
device lo entered promiscuous mode
random: crng reseeded on system resumption
Restarting kernel threads ... done.
device lo entered promiscuous mode
device lo entered promiscuous mode
device lo entered promiscuous mode
device lo left promiscuous mode
device lo entered promiscuous mode
device lo left promiscuous mode
device lo left promiscuous mode
device lo entered promiscuous mode
device lo entered promiscuous mode
device lo left promiscuous mode
device lo entered promiscuous mode
device lo left promiscuous mode
device lo entered promiscuous mode
device lo left promiscuous mode
device lo left promiscuous mode
device lo entered promiscuous mode
device lo left promiscuous mode
device lo entered promiscuous mode
device lo entered promiscuous mode
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.6'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.6'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.5'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.6'.