general protection fault, probably for non-canonical address 0xdffffc0004000028: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: probably user-memory-access in range [0x0000000020000140-0x0000000020000147]
CPU: 0 PID: 4051 Comm: syz-executor.3 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:ffff888043f97c78 EFLAGS: 00010216
RAX: 0000000020000140 RBX: ffff888043f97d60 RCX: ffffc90006204000
RDX: 0000000004000028 RSI: ffffffff81855c98 RDI: 0000000000000007
RBP: 0000000000001000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000001 R12: ffff88801f0ed400
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84923b60
FS: 00007f69680de700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f69680ddff8 CR3: 000000000d6d8000 CR4: 0000000000350ef0
Call Trace:
vfs_readv+0xe5/0x160
__x64_sys_preadv+0x233/0x310
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f696ab89b19
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:00007f69680de188 EFLAGS: 00000246 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 00007f696ac9d020 RCX: 00007f696ab89b19
RDX: 0000000000000001 RSI: 0000000020001140 RDI: 0000000000000004
RBP: 00007f696abe3f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd305e146f R14: 00007f69680de300 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:ffff888043f97c78 EFLAGS: 00010216
RAX: 0000000020000140 RBX: ffff888043f97d60 RCX: ffffc90006204000
RDX: 0000000004000028 RSI: ffffffff81855c98 RDI: 0000000000000007
RBP: 0000000000001000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000001 R12: ffff88801f0ed400
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84923b60
FS: 00007f69680de700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f69680ddff8 CR3: 000000000d6d8000 CR4: 0000000000350ef0
memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4101 'syz-executor.3'
loop6: detected capacity change from 0 to 264192
loop7: detected capacity change from 0 to 272
FAT-fs (loop7): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
loop6: detected capacity change from 0 to 264192
process 'syz-executor.0' launched './file1' with NULL argv: empty string added
loop7: detected capacity change from 0 to 272
FAT-fs (loop7): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
loop6: detected capacity change from 0 to 264192
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current]
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 08 00
I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 3 prio class 2
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 0, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 1 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 1, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 2, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 3 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 3, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 4, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 5 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 5, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 6, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 7 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 7, async page read
loop6: detected capacity change from 0 to 264192
loop7: detected capacity change from 0 to 272
FAT-fs (loop7): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.6'.
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.7 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4279 at lib/iov_iter.c:376 _copy_from_iter+0x2b2/0x1140
Modules linked in:
CPU: 1 PID: 4279 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:_copy_from_iter+0x2b2/0x1140
Code: 5d 41 5e 41 5f e9 52 46 34 02 e8 a9 89 36 ff be 7c 01 00 00 48 c7 c7 60 c4 9e 84 e8 d8 7e 5a ff e9 51 fe ff ff e8 8e 89 36 ff <0f> 0b 45 31 f6 eb 87 e8 82 89 36 ff 31 ff 89 ee e8 b9 84 36 ff 40
RSP: 0018:ffff888043147608 EFLAGS: 00010212
RAX: 0000000000002514 RBX: 0000000000000000 RCX: ffffc90003ff3000
RDX: 0000000000040000 RSI: ffffffff8214ff52 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
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
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000001000
R13: ffff888043147838 R14: 0000000000001000 R15: ffff888043147838
FS: 00007f05b61a1700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa665e87610 CR3: 000000000caea000 CR4: 0000000000350ee0
Call Trace:
copy_page_from_iter+0xe3/0x180
blk_rq_map_user_iov+0xb41/0x16c0
blk_rq_map_user_io+0x1d1/0x200
sg_common_write.constprop.0+0xd8d/0x15f0
sg_write.part.0+0x698/0xac0
sg_write+0x8d/0xe0
vfs_write+0x2d8/0xdd0
ksys_write+0x12b/0x260
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f05b8c2bb19
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:00007f05b61a1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f05b8d3ef60 RCX: 00007f05b8c2bb19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005
RBP: 00007f05b8c85f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff0fd685df R14: 00007f05b61a1300 R15: 0000000000022000
irq event stamp: 0
hardirqs last enabled at (0): [<0000000000000000>] 0x0
hardirqs last disabled at (0): [] copy_process+0x1bae/0x7430
softirqs last enabled at (0): [] copy_process+0x1bf2/0x7430
softirqs last disabled at (0): [<0000000000000000>] 0x0
---[ end trace 0000000000000000 ]---
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=4291 comm=syz-executor.7
audit: type=1400 audit(1679919320.231:9): avc: denied { read } for pid=4277 comm="syz-executor.7" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.7 not setting count and/or reply_len properly
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=4292 comm=syz-executor.7
mmap: syz-executor.2 (4301) uses deprecated remap_file_pages() syscall. See Documentation/mm/remap_file_pages.rst.
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.7 not setting count and/or reply_len properly
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.1 not setting count and/or reply_len properly
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=4307 comm=syz-executor.1
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=4312 comm=syz-executor.7
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.1 not setting count and/or reply_len properly
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=4340 comm=syz-executor.1
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.1 not setting count and/or reply_len properly
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.7 not setting count and/or reply_len properly
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=4360 comm=syz-executor.1
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=4362 comm=syz-executor.7
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=4406 comm=syz-executor.7
audit: type=1400 audit(1679919326.950:10): avc: denied { block_suspend } for pid=4425 comm="syz-executor.0" capability=36 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1
----------------
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)