general protection fault, probably for non-canonical address 0xdffffc0004000008: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: probably user-memory-access in range [0x0000000020000040-0x0000000020000047]
CPU: 1 PID: 3998 Comm: syz-executor.0 Not tainted 6.3.0-rc3-next-20230327 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:do_iter_read+0x481/0x750
Code: 00 0f 85 52 02 00 00 4d 8b 7c 24 28 e8 48 2c c6 ff 48 8b 44 24 18 80 38 00 0f 85 1c 02 00 00 48 8b 43 18 48 89 c2 48 c1 ea 03 <42> 80 3c 32 00 0f 85 ef 01 00 00 48 8b 4c 24 20 48 8b 30 80 39 00
RSP: 0018:ffff888042697c78 EFLAGS: 00010212
RAX: 0000000020000040 RBX: ffff888042697d60 RCX: ffffc900023f1000
RDX: 0000000004000008 RSI: ffffffff81855c98 RDI: 0000000000000007
RBP: 0000000000000074 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000074 R11: 0000000000000001 R12: ffff888014248280
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8491de20
FS: 00007fe0fc79d700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2bf21000 CR3: 000000003f642000 CR4: 0000000000350ee0
Call Trace:
vfs_readv+0xe5/0x160
__x64_sys_preadv+0x233/0x310
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7fe0ff227b19
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:00007fe0fc79d188 EFLAGS: 00000246 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 00007fe0ff33af60 RCX: 00007fe0ff227b19
RDX: 0000000000000001 RSI: 00000000200001c0 RDI: 0000000000000003
RBP: 00007fe0ff281f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd5e1f967f R14: 00007fe0fc79d300 R15: 0000000000022000
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:do_iter_read+0x481/0x750
Code: 00 0f 85 52 02 00 00 4d 8b 7c 24 28 e8 48 2c c6 ff 48 8b 44 24 18 80 38 00 0f 85 1c 02 00 00 48 8b 43 18 48 89 c2 48 c1 ea 03 <42> 80 3c 32 00 0f 85 ef 01 00 00 48 8b 4c 24 20 48 8b 30 80 39 00
RSP: 0018:ffff888042697c78 EFLAGS: 00010212
RAX: 0000000020000040 RBX: ffff888042697d60 RCX: ffffc900023f1000
RDX: 0000000004000008 RSI: ffffffff81855c98 RDI: 0000000000000007
RBP: 0000000000000074 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000074 R11: 0000000000000001 R12: ffff888014248280
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8491de20
FS: 00007fe0fc79d700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2bf21000 CR3: 000000003f642000 CR4: 0000000000350ee0
autofs4:pid:4088:check_dev_ioctl_version: ioctl control interface version mismatch: kernel(1.1), user(1.65537), cmd(0xc0189372)
autofs4:pid:4088:validate_dev_ioctl: invalid device control module version supplied for cmd(0xc0189372)
autofs4:pid:4093:check_dev_ioctl_version: ioctl control interface version mismatch: kernel(1.1), user(1.65537), cmd(0xc0189372)
autofs4:pid:4093:validate_dev_ioctl: invalid device control module version supplied for cmd(0xc0189372)
autofs4:pid:4106:check_dev_ioctl_version: ioctl control interface version mismatch: kernel(1.1), user(1.65537), cmd(0xc0189372)
autofs4:pid:4106:validate_dev_ioctl: invalid device control module version supplied for cmd(0xc0189372)
lo: entered promiscuous mode
lo: entered allmulticast mode
autofs4:pid:4122:check_dev_ioctl_version: ioctl control interface version mismatch: kernel(1.1), user(1.65537), cmd(0xc0189372)
autofs4:pid:4122:validate_dev_ioctl: invalid device control module version supplied for cmd(0xc0189372)
lo: left promiscuous mode
lo: left allmulticast mode
lo: entered promiscuous mode
lo: entered allmulticast mode
autofs4:pid:4133:check_dev_ioctl_version: ioctl control interface version mismatch: kernel(1.1), user(1.65537), cmd(0xc0189372)
autofs4:pid:4133:validate_dev_ioctl: invalid device control module version supplied for cmd(0xc0189372)
lo: left promiscuous mode
lo: left allmulticast mode
lo: entered promiscuous mode
lo: entered allmulticast mode
lo: left promiscuous mode
lo: left allmulticast mode
lo: entered promiscuous mode
lo: entered allmulticast mode
lo: left promiscuous mode
lo: left allmulticast mode
lo: entered promiscuous mode
lo: entered allmulticast mode
memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4190 'syz-executor.3'
netlink: 32 bytes leftover after parsing attributes in process `syz-executor.6'.
netlink: 32 bytes leftover after parsing attributes in process `syz-executor.6'.
audit: type=1400 audit(1679917147.025:9): avc: denied { read } for pid=4292 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
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'.
process 'syz-executor.0' launched './file1' with NULL argv: empty string added
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'.
loop6: detected capacity change from 0 to 40
syz-executor.6: attempt to access beyond end of device
loop6: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop6, logical block 10, lost async page write
audit: type=1326 audit(1679917149.374:10): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4413 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f2a8157db19 code=0x0
lo: entered promiscuous mode
lo: entered allmulticast mode
audit: type=1326 audit(1679917149.556:11): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4442 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f2a8157db19 code=0x0
audit: type=1400 audit(1679917149.648:12): avc: denied { watch_reads } for pid=4451 comm="syz-executor.0" path="/syzkaller-testdir996789383/syzkaller.24OWoL/27" dev="sda" ino=15971 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=dir permissive=1
lo: left promiscuous mode
lo: left allmulticast mode
lo: entered promiscuous mode
lo: entered allmulticast mode
audit: type=1326 audit(1679917149.684:13): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4461 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f2a8157db19 code=0x0
audit: type=1326 audit(1679917149.792:14): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4479 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f2a8157db19 code=0x0
lo: left promiscuous mode
lo: left allmulticast mode
lo: entered promiscuous mode
lo: entered allmulticast mode
syz-executor.7 uses obsolete (PF_INET,SOCK_PACKET)
lo: left promiscuous mode
lo: left allmulticast mode
lo: entered promiscuous mode
lo: entered allmulticast mode
general protection fault, probably for non-canonical address 0xdffffc0004000028: 0000 [#2] PREEMPT SMP KASAN NOPTI
KASAN: probably user-memory-access in range [0x0000000020000140-0x0000000020000147]
CPU: 1 PID: 4543 Comm: syz-executor.0 Tainted: G D 6.3.0-rc3-next-20230327 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:do_iter_read+0x481/0x750
Code: 00 0f 85 52 02 00 00 4d 8b 7c 24 28 e8 48 2c c6 ff 48 8b 44 24 18 80 38 00 0f 85 1c 02 00 00 48 8b 43 18 48 89 c2 48 c1 ea 03 <42> 80 3c 32 00 0f 85 ef 01 00 00 48 8b 4c 24 20 48 8b 30 80 39 00
RSP: 0018:ffff888042507c78 EFLAGS: 00010216
RAX: 0000000020000140 RBX: ffff888042507d60 RCX: ffffc900025f2000
RDX: 0000000004000028 RSI: ffffffff81855c98 RDI: 0000000000000007
RBP: 0000000000001000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000001 R12: ffff88800d8d1b80
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8491c9e0
FS: 00007fe0fc77c700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2bf23000 CR3: 000000003ff94000 CR4: 0000000000350ee0
Call Trace:
vfs_readv+0xe5/0x160
__x64_sys_preadv+0x233/0x310
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7fe0ff227b19
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:00007fe0fc77c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 00007fe0ff33b020 RCX: 00007fe0ff227b19
RDX: 0000000000000001 RSI: 0000000020001140 RDI: 0000000000000004
RBP: 00007fe0ff281f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd5e1f967f R14: 00007fe0fc77c300 R15: 0000000000022000
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:do_iter_read+0x481/0x750
Code: 00 0f 85 52 02 00 00 4d 8b 7c 24 28 e8 48 2c c6 ff 48 8b 44 24 18 80 38 00 0f 85 1c 02 00 00 48 8b 43 18 48 89 c2 48 c1 ea 03 <42> 80 3c 32 00 0f 85 ef 01 00 00 48 8b 4c 24 20 48 8b 30 80 39 00
RSP: 0018:ffff888042697c78 EFLAGS: 00010212
RAX: 0000000020000040 RBX: ffff888042697d60 RCX: ffffc900023f1000
RDX: 0000000004000008 RSI: ffffffff81855c98 RDI: 0000000000000007
RBP: 0000000000000074 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000074 R11: 0000000000000001 R12: ffff888014248280
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8491de20
FS: 00007fe0fc77c700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2bf23000 CR3: 000000003ff94000 CR4: 0000000000350ee0
syz-executor.6 (4521) used greatest stack depth: 23832 bytes left
syz-executor.6 (4559) used greatest stack depth: 23704 bytes left
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16
----------------
Code disassembly (best guess):
0: 00 0f add %cl,(%rdi)
2: 85 52 02 test %edx,0x2(%rdx)
5: 00 00 add %al,(%rax)
7: 4d 8b 7c 24 28 mov 0x28(%r12),%r15
c: e8 48 2c c6 ff callq 0xffc62c59
11: 48 8b 44 24 18 mov 0x18(%rsp),%rax
16: 80 38 00 cmpb $0x0,(%rax)
19: 0f 85 1c 02 00 00 jne 0x23b
1f: 48 8b 43 18 mov 0x18(%rbx),%rax
23: 48 89 c2 mov %rax,%rdx
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 42 80 3c 32 00 cmpb $0x0,(%rdx,%r14,1) <-- trapping instruction
2f: 0f 85 ef 01 00 00 jne 0x224
35: 48 8b 4c 24 20 mov 0x20(%rsp),%rcx
3a: 48 8b 30 mov (%rax),%rsi
3d: 80 39 00 cmpb $0x0,(%rcx)