------------[ cut here ]------------
WARNING: CPU: 0 PID: 3956 at mm/gup.c:2121 is_valid_gup_args+0x1dc/0x230
Modules linked in:
CPU: 0 PID: 3956 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:ffff88804339f508 EFLAGS: 00010212
RAX: 000000000000a8e4 RBX: 0000000000040000 RCX: ffffc90006c0d000
RDX: 0000000000040000 RSI: ffffffff816e127c RDI: 0000000000000005
RBP: ffff88804339f568 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000040000 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000040000 R15: 0000000000040000
FS: 00007f7c7f23d700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000000cb72000 CR4: 0000000000350ef0
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_write_iter+0xb5d/0x1930
vfs_write+0x9b4/0xdc0
random: crng reseeded on system resumption
ksys_write+0x12b/0x260
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f7c81cc7b19
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:00007f7c7f23d188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f7c81ddaf60 RCX: 00007f7c81cc7b19
RDX: 0000000000140000 RSI: 0000000020000200 RDI: 0000000000000005
RBP: 00007f7c81d21f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcc1211dff R14: 00007f7c7f23d300 R15: 0000000000022000
irq event stamp: 1697
hardirqs last enabled at (1707): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (1718): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (1128): [] __irq_exit_rcu+0xcc/0x110
softirqs last disabled at (1123): [] __irq_exit_rcu+0xcc/0x110
---[ end trace 0000000000000000 ]---
Restarting kernel threads ...
audit: type=1400 audit(1675769982.015:9): avc: denied { relabelfrom } for pid=3978 comm="syz-executor.6" name="" dev="pipefs" ino=14104 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=fifo_file permissive=1
done.
audit: type=1400 audit(1675769982.083:10): avc: denied { write } for pid=3983 comm="syz-executor.5" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
random: crng reseeded on system resumption
Restarting kernel threads ... done.
random: crng reseeded on system resumption
Restarting kernel threads ... done.
memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4040 'syz-executor.3'
random: crng reseeded on system resumption
Restarting kernel threads ... done.
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.7'.
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.7'.
EXT4-fs: Ignoring removed mblk_io_submit option
EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. Quota mode: none.
EXT4-fs: Ignoring removed mblk_io_submit option
EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. Quota mode: none.
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.7'.
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.7'.
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
loop1: detected capacity change from 0 to 40
netlink: 228 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.7'.
loop1: detected capacity change from 0 to 40
Bluetooth: hci7: command 0x0405 tx timeout
device lo entered promiscuous mode
loop1: detected capacity change from 0 to 40
audit: type=1400 audit(1675769985.634:11): avc: denied { read } for pid=4182 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
random: crng reseeded on system resumption
device lo left promiscuous mode
device lo entered promiscuous mode
device lo left promiscuous mode
random: crng reseeded on system resumption
device lo entered promiscuous mode
random: crng reseeded on system resumption
syz-executor.1 (4226) used greatest stack depth: 23992 bytes left
device lo left promiscuous mode
device lo entered promiscuous mode
audit: type=1326 audit(1675769991.170:12): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4306 comm="syz-executor.2" exe="/syz-executor.2" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f1bfc5b8b19 code=0x0
raw_sendmsg: syz-executor.0 forgot to set AF_INET. Fix it!
audit: type=1326 audit(1675769991.216:13): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4306 comm="syz-executor.2" exe="/syz-executor.2" sig=31 arch=c000003e syscall=3 compat=0 ip=0x7f1bfc56b72b code=0x0
device syz_tun entered promiscuous mode
device syz_tun left promiscuous mode