BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD c7fa067 P4D c7fa067 PUD 1e49f067 PMD 0
Oops: 0010 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 PID: 5367 Comm: syz-executor.3 Not tainted 6.2.0-rc7-next-20230213 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffff88800fb7f630 EFLAGS: 00010246
RAX: 0000000000000001 RBX: ffffea000123ae00 RCX: ffffffff8161edac
RDX: fffff940002475c1 RSI: ffffea000123ae00 RDI: ffff88800c74db80
RBP: ffff88800c74db80 R08: 0000000000000001 R09: ffffea000123ae07
R10: fffff940002475c0 R11: 0000000000000001 R12: 0000000000000000
R13: ffffea000123ae00 R14: ffff88804329d428 R15: ffff88804329d4c0
FS: 00007f0856f6e700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000004249c000 CR4: 0000000000350ef0
Call Trace:
filemap_read_folio+0x5c/0x1f0
filemap_get_pages+0x46f/0x1560
generic_file_buffered_splice_read.constprop.0+0x2ce/0xcf0
generic_file_splice_read+0x198/0xb70
do_splice_to+0x1bc/0x240
splice_direct_to_actor+0x2b0/0x8c0
do_splice_direct+0x1bc/0x290
do_sendfile+0xb1d/0x12b0
__x64_sys_sendfile64+0x1d5/0x210
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f08599f8b19
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:00007f0856f6e188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f0859b0bf60 RCX: 00007f08599f8b19
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003
RBP: 00007f0859a52f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000007fff R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdff5ba3cf R14: 00007f0856f6e300 R15: 0000000000022000
Modules linked in:
CR2: 0000000000000000
---[ end trace 0000000000000000 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffff88800fb7f630 EFLAGS: 00010246
RAX: 0000000000000001 RBX: ffffea000123ae00 RCX: ffffffff8161edac
RDX: fffff940002475c1 RSI: ffffea000123ae00 RDI: ffff88800c74db80
RBP: ffff88800c74db80 R08: 0000000000000001 R09: ffffea000123ae07
R10: fffff940002475c0 R11: 0000000000000001 R12: 0000000000000000
R13: ffffea000123ae00 R14: ffff88804329d428 R15: ffff88804329d4c0
FS: 00007f0856f6e700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000004249c000 CR4: 0000000000350ef0
note: syz-executor.3[5367] exited with irqs disabled
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
syz-executor.0 (5392) used greatest stack depth: 22744 bytes left
BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD c7fa067 P4D c7fa067 PUD 1e49f067 PMD 0
Oops: 0010 [#2] PREEMPT SMP KASAN NOPTI
CPU: 0 PID: 5381 Comm: syz-executor.3 Tainted: G D 6.2.0-rc7-next-20230213 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffff888044877630 EFLAGS: 00010246
RAX: 0000000000000001 RBX: ffffea000123bc40 RCX: ffffffff8161edac
RDX: fffff94000247789 RSI: ffffea000123bc40 RDI: ffff88800e74c780
RBP: ffff88800e74c780 R08: 0000000000000001 R09: ffffea000123bc47
R10: fffff94000247788 R11: 0000000000000001 R12: 0000000000000000
R13: ffffea000123bc40 R14: ffff888044e9ece8 R15: ffff888044e9ed80
FS: 00007f0856f4d700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000004249c000 CR4: 0000000000350ef0
Call Trace:
filemap_read_folio+0x5c/0x1f0
filemap_get_pages+0x46f/0x1560
generic_file_buffered_splice_read.constprop.0+0x2ce/0xcf0
generic_file_splice_read+0x198/0xb70
do_splice_to+0x1bc/0x240
splice_direct_to_actor+0x2b0/0x8c0
do_splice_direct+0x1bc/0x290
do_sendfile+0xb1d/0x12b0
__x64_sys_sendfile64+0x1d5/0x210
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f08599f8b19
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:00007f0856f4d188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f0859b0c020 RCX: 00007f08599f8b19
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003
RBP: 00007f0859a52f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000007fff R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdff5ba3cf R14: 00007f0856f4d300 R15: 0000000000022000
Modules linked in:
CR2: 0000000000000000
---[ end trace 0000000000000000 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffff88800fb7f630 EFLAGS: 00010246
RAX: 0000000000000001 RBX: ffffea000123ae00 RCX: ffffffff8161edac
RDX: fffff940002475c1 RSI: ffffea000123ae00 RDI: ffff88800c74db80
RBP: ffff88800c74db80 R08: 0000000000000001 R09: ffffea000123ae07
R10: fffff940002475c0 R11: 0000000000000001 R12: 0000000000000000
R13: ffffea000123ae00 R14: ffff88804329d428 R15: ffff88804329d4c0
FS: 00007f0856f4d700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000004249c000 CR4: 0000000000350ef0
note: syz-executor.3[5381] exited with irqs disabled
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
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
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
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
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
platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
loop7: detected capacity change from 0 to 264192
loop4: detected capacity change from 0 to 264192
FAT-fs (loop7): Unrecognized mount option "@" or missing value
FAT-fs (loop4): Unrecognized mount option "@" or missing value
loop7: detected capacity change from 0 to 264192
loop4: detected capacity change from 0 to 264192
FAT-fs (loop7): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
loop4: detected capacity change from 0 to 264192
FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
loop7: detected capacity change from 0 to 264192
FAT-fs (loop7): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
loop7: detected capacity change from 0 to 7
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 40 00
I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 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
loop7: detected capacity change from 0 to 7
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 40 00
I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
Buffer I/O error on dev sr0, logical block 0, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
Buffer I/O error on dev sr0, logical block 1, async page read
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
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 01 00 00 01 00