general protection fault, probably for non-canonical address 0xdffffc0004000078: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: probably user-memory-access in range [0x00000000200003c0-0x00000000200003c7]
CPU: 0 PID: 4530 Comm: syz-executor.7 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:ffff88803fc27c70 EFLAGS: 00010216
RAX: 00000000200003c0 RBX: ffff88803fc27d58 RCX: ffffc90006204000
RDX: 0000000004000078 RSI: ffffffff81855c98 RDI: 0000000000000007
RBP: 00000000000000fa R08: 0000000000000007 R09: 0000000000000000
R10: 00000000000000fa R11: 0000000000000001 R12: ffff88800ecfa780
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8490fe60
FS: 00007f0a7accc700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c621000 CR3: 000000003d702000 CR4: 0000000000350ef0
Call Trace:
vfs_readv+0xe5/0x160
do_readv+0x133/0x300
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f0a7d756b19
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:00007f0a7accc188 EFLAGS: 00000246 ORIG_RAX: 0000000000000013
RAX: ffffffffffffffda RBX: 00007f0a7d869f60 RCX: 00007f0a7d756b19
RDX: 0000000000000001 RSI: 0000000020000740 RDI: 0000000000000003
RBP: 00007f0a7d7b0f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe7886943f R14: 00007f0a7accc300 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:ffff88803fc27c70 EFLAGS: 00010216
RAX: 00000000200003c0 RBX: ffff88803fc27d58 RCX: ffffc90006204000
RDX: 0000000004000078 RSI: ffffffff81855c98 RDI: 0000000000000007
RBP: 00000000000000fa R08: 0000000000000007 R09: 0000000000000000
R10: 00000000000000fa R11: 0000000000000001 R12: ffff88800ecfa780
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8490fe60
FS: 00007f0a7accc700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c621000 CR3: 000000003d702000 CR4: 0000000000350ef0
general protection fault, probably for non-canonical address 0xdffffc0004000078: 0000 [#2] PREEMPT SMP KASAN NOPTI
KASAN: probably user-memory-access in range [0x00000000200003c0-0x00000000200003c7]
CPU: 1 PID: 4539 Comm: syz-executor.7 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:ffff888041d9fc70 EFLAGS: 00010216
RAX: 00000000200003c0 RBX: ffff888041d9fd58 RCX: ffffc90008a18000
RDX: 0000000004000078 RSI: ffffffff81855c98 RDI: 0000000000000007
RBP: 00000000000000fa R08: 0000000000000007 R09: 0000000000000000
R10: 00000000000000fa R11: 0000000000000001 R12: ffff888017c56500
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8490fe60
FS: 00007f0a7ac8a700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055596f731c5c CR3: 000000003d702000 CR4: 0000000000350ee0
Call Trace:
vfs_readv+0xe5/0x160
do_readv+0x133/0x300
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f0a7d756b19
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:00007f0a7ac8a188 EFLAGS: 00000246 ORIG_RAX: 0000000000000013
RAX: ffffffffffffffda RBX: 00007f0a7d86a0e0 RCX: 00007f0a7d756b19
RDX: 0000000000000001 RSI: 0000000020000740 RDI: 0000000000000003
RBP: 00007f0a7d7b0f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe7886943f R14: 00007f0a7ac8a300 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:ffff88803fc27c70 EFLAGS: 00010216
RAX: 00000000200003c0 RBX: ffff88803fc27d58 RCX: ffffc90006204000
RDX: 0000000004000078 RSI: ffffffff81855c98 RDI: 0000000000000007
RBP: 00000000000000fa R08: 0000000000000007 R09: 0000000000000000
R10: 00000000000000fa R11: 0000000000000001 R12: ffff88800ecfa780
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8490fe60
FS: 00007f0a7ac8a700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055596f731c5c CR3: 000000003d702000 CR4: 0000000000350ee0
EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. Quota mode: none.
EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. Quota mode: none.
EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. Quota mode: none.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. Quota mode: none.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. Quota mode: none.
syz-executor.5 (4627) used greatest stack depth: 23792 bytes left
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
audit: type=1326 audit(1679915792.177:10): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4667 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f28a15a2b19 code=0x0
audit: type=1326 audit(1679915792.369:11): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4679 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f28a15a2b19 code=0x0
audit: type=1326 audit(1679915793.179:12): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4691 comm="syz-executor.7" exe="/syz-executor.7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f0a7d756b19 code=0x0
audit: type=1326 audit(1679915793.194:13): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4690 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f28a15a2b19 code=0x0
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
audit: type=1326 audit(1679915793.390:14): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4706 comm="syz-executor.7" exe="/syz-executor.7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f0a7d756b19 code=0x0
audit: type=1326 audit(1679915793.395:15): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4708 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f28a15a2b19 code=0x0
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.6'.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
audit: type=1326 audit(1679915793.618:16): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4720 comm="syz-executor.7" exe="/syz-executor.7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f0a7d756b19 code=0x0
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
mmap: syz-executor.7 (4791) uses deprecated remap_file_pages() syscall. See Documentation/mm/remap_file_pages.rst.
audit: type=1326 audit(1679915795.430:17): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4825 comm="syz-executor.2" exe="/syz-executor.2" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fbca086cb19 code=0x0
audit: type=1326 audit(1679915796.278:18): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4825 comm="syz-executor.2" exe="/syz-executor.2" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fbca086cb19 code=0x0
audit: type=1400 audit(1679915796.337:19): avc: denied { tracepoint } for pid=4850 comm="syz-executor.6" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
loop3: detected capacity change from 0 to 512
EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
ext4 filesystem being mounted at /syzkaller-testdir180921840/syzkaller.F3yN3r/51/file0 supports timestamps until 2038-01-19 (0x7fffffff)
EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
blktrace: Concurrent blktraces are not allowed on sg0
loop3: detected capacity change from 0 to 512
EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
ext4 filesystem being mounted at /syzkaller-testdir180921840/syzkaller.F3yN3r/52/file0 supports timestamps until 2038-01-19 (0x7fffffff)
EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
blktrace: Concurrent blktraces are not allowed on sg0
loop3: detected capacity change from 0 to 512
loop1: detected capacity change from 0 to 344
EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
ext4 filesystem being mounted at /syzkaller-testdir180921840/syzkaller.F3yN3r/53/file0 supports timestamps until 2038-01-19 (0x7fffffff)
kauditd_printk_skb: 1 callbacks suppressed
audit: type=1326 audit(1679915797.371:21): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4904 comm="syz-executor.2" exe="/syz-executor.2" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fbca086cb19 code=0x0
Bluetooth: hci3: Ignoring connect complete event for invalid link type
Bluetooth: hci3: Ignoring connect complete event for invalid link type
loop1: detected capacity change from 0 to 40
blktrace: Concurrent blktraces are not allowed on sg0
EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
Bluetooth: hci3: Ignoring connect complete event for invalid link type
loop3: detected capacity change from 0 to 512
loop1: detected capacity change from 0 to 40
EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
ext4 filesystem being mounted at /syzkaller-testdir180921840/syzkaller.F3yN3r/54/file0 supports timestamps until 2038-01-19 (0x7fffffff)
EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
----------------
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)