syz-executor.4: attempt to access beyond end of device
loop4: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop4, logical block 10, lost async page write
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4385 at mm/gup.c:2121 is_valid_gup_args+0x1dc/0x230
Modules linked in:
CPU: 1 PID: 4385 Comm: syz-executor.3 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:ffff888043eff508 EFLAGS: 00010216
RAX: 0000000000008151 RBX: 0000000000040000 RCX: ffffc900035e6000
RDX: 0000000000040000 RSI: ffffffff816e127c RDI: 0000000000000005
RBP: ffff888043eff568 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000040000 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000040000 R15: 0000000000040000
FS: 00007ff345b66700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000004 CR3: 0000000041948000 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_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: 0033:0x7ff348611b19
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:00007ff345b66188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff348725020 RCX: 00007ff348611b19
RDX: 0000000000140000 RSI: 0000000020000200 RDI: 0000000000000005
RBP: 00007ff34866bf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffc248bd1f R14: 00007ff345b66300 R15: 0000000000022000
irq event stamp: 1627
hardirqs last enabled at (1637): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (1648): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (1118): [] __irq_exit_rcu+0xcc/0x110
softirqs last disabled at (1109): [] __irq_exit_rcu+0xcc/0x110
---[ end trace 0000000000000000 ]---
Bluetooth: hci0: Opcode 0x c03 failed: -4
Bluetooth: hci0: Opcode 0x c03 failed: -4
Bluetooth: hci0: Opcode 0x c03 failed: -4
loop4: detected capacity change from 0 to 40
syz-executor.4: attempt to access beyond end of device
loop4: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop4, logical block 10, lost async page write
audit: type=1400 audit(1675770436.938:10): avc: denied { write } for pid=4423 comm="syz-executor.4" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
Bluetooth: hci0: Opcode 0x c03 failed: -4
Bluetooth: hci0: Opcode 0x c03 failed: -4
Bluetooth: hci0: Opcode 0x c03 failed: -4
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 228 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 228 bytes leftover after parsing attributes in process `syz-executor.0'.
loop7: detected capacity change from 0 to 40
loop7: detected capacity change from 0 to 40
loop7: detected capacity change from 0 to 40
loop7: detected capacity change from 0 to 40
netlink: 568 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 568 bytes leftover after parsing attributes in process `syz-executor.3'.
tmpfs: Unknown parameter './file0'