sr 1:0:0:0: [sr0] tag#0 unaligned transfer
BUG: unable to handle page fault for address: fffffbc1675aee06
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 6dfd0067 P4D 6dfd0067 PUD 6de7b067 PMD 6de7a067 PTE 0
Oops: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 1 PID: 8875 Comm: syz-executor.3 Not tainted 6.1.0-rc3-next-20221101 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:get_desc+0x128/0x470
Code: e2 02 00 00 83 e0 07 38 c2 0f 9e c1 84 d2 0f 95 c0 84 c1 0f 85 cd 02 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 d8 48 c1 e8 03 <0f> b6 0c 10 48 8d 43 07 48 89 c6 48 c1 ee 03 0f b6 14 16 48 89 de
RSP: 0000:ffff8880408efbf8 EFLAGS: 00010216
RAX: 1fffffc1675aee06 RBX: fffffe0b3ad77030 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000006
RBP: ffff8880408efcb8 R08: 0000000000000006 R09: 000000000000007f
R10: 0000000000000030 R11: 0000000000000001 R12: 1ffff1100811df7f
R13: dffffc0000000000 R14: 0000000000000000 R15: 000000000000007f
FS: 00007fe05f70b700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbc1675aee06 CR3: 000000003f7aa000 CR4: 0000000000350ee4
Call Trace:
insn_get_code_seg_params+0xa7/0x1b0
insn_decode_from_regs+0x6e/0x1a0
fixup_umip_exception+0xc7/0x6e0
exc_general_protection+0x15d/0x220
asm_exc_alignment_check-0xe/0x30
RIP: 0033:0x7ffd7a5e4942
Code: 83 08 00 00 0f 84 b5 00 00 00 4c 63 d7 49 c1 e2 04 4d 01 ca 45 8b 19 41 f6 c3 01 0f 85 8d 00 00 00 41 8b 41 04 83 f8 01 75 6f <0f> 01 f9 66 90 48 c1 e2 20 48 09 c2 48 85 d2 78 63 49 8b 49 08 49
RSP: 002b:00007fe05f70b150 EFLAGS: 00010246
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000002 RSI: 00007fe05f70b1f0 RDI: 0000000000000001
RBP: 00007fe05f70b170 R08: 0000000000000000 R09: 00007ffd7a5e0080
R10: 00007ffd7a5e0090 R11: 0000000000072704 R12: 00007fe05f70b1f0
R13: 00007ffd7a5b30df R14: 00007fe05f70b300 R15: 0000000000022000
Modules linked in:
CR2: fffffbc1675aee06
---[ end trace 0000000000000000 ]---
RIP: 0010:get_desc+0x128/0x470
Code: e2 02 00 00 83 e0 07 38 c2 0f 9e c1 84 d2 0f 95 c0 84 c1 0f 85 cd 02 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 d8 48 c1 e8 03 <0f> b6 0c 10 48 8d 43 07 48 89 c6 48 c1 ee 03 0f b6 14 16 48 89 de
RSP: 0000:ffff8880408efbf8 EFLAGS: 00010216
RAX: 1fffffc1675aee06 RBX: fffffe0b3ad77030 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000006
RBP: ffff8880408efcb8 R08: 0000000000000006 R09: 000000000000007f
R10: 0000000000000030 R11: 0000000000000001 R12: 1ffff1100811df7f
R13: dffffc0000000000 R14: 0000000000000000 R15: 000000000000007f
FS: 00007fe05f70b700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbc1675aee06 CR3: 000000003f7aa000 CR4: 0000000000350ee4
BUG: unable to handle page fault for address: fffffbc1675aee06
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 6dfd0067 P4D 6dfd0067 PUD 6de7b067 PMD 6de7a067 PTE 0
Oops: 0000 [#2] PREEMPT SMP KASAN NOPTI
CPU: 1 PID: 8904 Comm: syz-executor.3 Tainted: G D 6.1.0-rc3-next-20221101 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:get_desc+0x128/0x470
Code: e2 02 00 00 83 e0 07 38 c2 0f 9e c1 84 d2 0f 95 c0 84 c1 0f 85 cd 02 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 d8 48 c1 e8 03 <0f> b6 0c 10 48 8d 43 07 48 89 c6 48 c1 ee 03 0f b6 14 16 48 89 de
RSP: 0000:ffff88803ea57bf8 EFLAGS: 00010216
RAX: 1fffffc1675aee06 RBX: fffffe0b3ad77030 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000006
RBP: ffff88803ea57cb8 R08: 0000000000000006 R09: 000000000000007f
R10: 0000000000000030 R11: 0000000000000001 R12: 1ffff11007d4af7f
R13: dffffc0000000000 R14: 0000000000000000 R15: 000000000000007f
FS: 00007fe05f6ea700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbc1675aee06 CR3: 000000003f7aa000 CR4: 0000000000350ee4
Call Trace:
insn_get_code_seg_params+0xa7/0x1b0
insn_decode_from_regs+0x6e/0x1a0
fixup_umip_exception+0xc7/0x6e0
exc_general_protection+0x15d/0x220
asm_exc_alignment_check-0xe/0x30
RIP: 0033:0x7ffd7a5e4942
Code: 83 08 00 00 0f 84 b5 00 00 00 4c 63 d7 49 c1 e2 04 4d 01 ca 45 8b 19 41 f6 c3 01 0f 85 8d 00 00 00 41 8b 41 04 83 f8 01 75 6f <0f> 01 f9 66 90 48 c1 e2 20 48 09 c2 48 85 d2 78 63 49 8b 49 08 49
RSP: 002b:00007fe05f6ea150 EFLAGS: 00010246
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000002 RSI: 00007fe05f6ea1f0 RDI: 0000000000000001
RBP: 00007fe05f6ea170 R08: 0000000000000000 R09: 00007ffd7a5e0080
R10: 00007ffd7a5e0090 R11: 0000000000072d7c R12: 00007fe05f6ea1f0
R13: 00007ffd7a5b30df R14: 00007fe05f6ea300 R15: 0000000000022000
Modules linked in:
CR2: fffffbc1675aee06
---[ end trace 0000000000000000 ]---
RIP: 0010:get_desc+0x128/0x470
Code: e2 02 00 00 83 e0 07 38 c2 0f 9e c1 84 d2 0f 95 c0 84 c1 0f 85 cd 02 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 d8 48 c1 e8 03 <0f> b6 0c 10 48 8d 43 07 48 89 c6 48 c1 ee 03 0f b6 14 16 48 89 de
RSP: 0000:ffff8880408efbf8 EFLAGS: 00010216
RAX: 1fffffc1675aee06 RBX: fffffe0b3ad77030 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000006
RBP: ffff8880408efcb8 R08: 0000000000000006 R09: 000000000000007f
R10: 0000000000000030 R11: 0000000000000001 R12: 1ffff1100811df7f
R13: dffffc0000000000 R14: 0000000000000000 R15: 000000000000007f
FS: 00007fe05f6ea700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbc1675aee06 CR3: 000000003f7aa000 CR4: 0000000000350ee4
BUG: unable to handle page fault for address: fffffbc1675aee06
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 6dfd0067 P4D 6dfd0067 PUD 6de7b067 PMD 6de7a067 PTE 0
Oops: 0000 [#3] PREEMPT SMP KASAN NOPTI
CPU: 1 PID: 8919 Comm: syz-executor.3 Tainted: G D 6.1.0-rc3-next-20221101 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:get_desc+0x128/0x470
Code: e2 02 00 00 83 e0 07 38 c2 0f 9e c1 84 d2 0f 95 c0 84 c1 0f 85 cd 02 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 d8 48 c1 e8 03 <0f> b6 0c 10 48 8d 43 07 48 89 c6 48 c1 ee 03 0f b6 14 16 48 89 de
RSP: 0000:ffff888044227bf8 EFLAGS: 00010216
RAX: 1fffffc1675aee06 RBX: fffffe0b3ad77030 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000006
RBP: ffff888044227cb8 R08: 0000000000000006 R09: 000000000000007f
R10: 0000000000000030 R11: 0000000000000001 R12: 1ffff11008844f7f
R13: dffffc0000000000 R14: 0000000000000000 R15: 000000000000007f
FS: 00007fe05f70b700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbc1675aee06 CR3: 000000000d66a000 CR4: 0000000000350ee4
Call Trace:
insn_get_code_seg_params+0xa7/0x1b0
insn_decode_from_regs+0x6e/0x1a0
fixup_umip_exception+0xc7/0x6e0
exc_general_protection+0x15d/0x220
asm_exc_alignment_check-0xe/0x30
RIP: 0033:0x7ffd7a5e4942
Code: 83 08 00 00 0f 84 b5 00 00 00 4c 63 d7 49 c1 e2 04 4d 01 ca 45 8b 19 41 f6 c3 01 0f 85 8d 00 00 00 41 8b 41 04 83 f8 01 75 6f <0f> 01 f9 66 90 48 c1 e2 20 48 09 c2 48 85 d2 78 63 49 8b 49 08 49
RSP: 002b:00007fe05f70b150 EFLAGS: 00010246
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000002 RSI: 00007fe05f70b1f0 RDI: 0000000000000001
RBP: 00007fe05f70b170 R08: 0000000000000000 R09: 00007ffd7a5e0080
R10: 00007ffd7a5e0090 R11: 0000000000072e64 R12: 00007fe05f70b1f0
R13: 00007ffd7a5b30df R14: 00007fe05f70b300 R15: 0000000000022000
Modules linked in:
CR2: fffffbc1675aee06
---[ end trace 0000000000000000 ]---
RIP: 0010:get_desc+0x128/0x470
Code: e2 02 00 00 83 e0 07 38 c2 0f 9e c1 84 d2 0f 95 c0 84 c1 0f 85 cd 02 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 d8 48 c1 e8 03 <0f> b6 0c 10 48 8d 43 07 48 89 c6 48 c1 ee 03 0f b6 14 16 48 89 de
RSP: 0000:ffff8880408efbf8 EFLAGS: 00010216
RAX: 1fffffc1675aee06 RBX: fffffe0b3ad77030 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000006
RBP: ffff8880408efcb8 R08: 0000000000000006 R09: 000000000000007f
R10: 0000000000000030 R11: 0000000000000001 R12: 1ffff1100811df7f
R13: dffffc0000000000 R14: 0000000000000000 R15: 000000000000007f
FS: 00007fe05f70b700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbc1675aee06 CR3: 000000000d66a000 CR4: 0000000000350ee4
tmpfs: Bad value for 'mode'
tmpfs: Bad value for 'mode'
tmpfs: Bad value for 'mode'
audit: type=1326 audit(1667302666.350:14): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=8976 comm="syz-executor.3" exe="/syz-executor.3" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7fe062195b19 code=0x0
audit: type=1326 audit(1667302667.237:15): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=8984 comm="syz-executor.3" exe="/syz-executor.3" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7fe062195b19 code=0x0
tmpfs: Bad value for 'mode'
tmpfs: Bad value for 'mode'
audit: type=1326 audit(1667302668.273:16): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=9041 comm="syz-executor.7" exe="/syz-executor.7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f7474dcab19 code=0x0
audit: type=1326 audit(1667302669.109:17): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=9041 comm="syz-executor.7" exe="/syz-executor.7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f7474dcab19 code=0x0
audit: type=1326 audit(1667302669.206:18): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=9066 comm="syz-executor.7" exe="/syz-executor.7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f7474dcab19 code=0x0
audit: type=1326 audit(1667302670.098:19): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=9101 comm="syz-executor.7" exe="/syz-executor.7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f7474dcab19 code=0x0
loop3: detected capacity change from 0 to 256
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
audit: type=1326 audit(1667302671.065:20): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=9154 comm="syz-executor.7" exe="/syz-executor.7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f7474dcab19 code=0x0
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
loop4: detected capacity change from 0 to 40
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
syz-executor.4: attempt to access beyond end of device
loop4: rw=2049, sector=124, nr_sectors = 4 limit=40
buffer_io_error: 46 callbacks suppressed
Buffer I/O error on dev loop4, logical block 31, lost async page write
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
syz-executor.4: attempt to access beyond end of device
loop4: rw=34817, sector=28, nr_sectors = 100 limit=40
syz-executor.4: attempt to access beyond end of device
loop4: rw=2049, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop4, logical block 31, lost async page write
loop4: detected capacity change from 0 to 40
loop5: detected capacity change from 0 to 1304
syz-executor.4: attempt to access beyond end of device
loop4: rw=2049, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop4, logical block 31, lost async page write
syz-executor.4: attempt to access beyond end of device
loop4: rw=34817, sector=28, nr_sectors = 100 limit=40
----------------
Code disassembly (best guess):
0: e2 02 loop 0x4
2: 00 00 add %al,(%rax)
4: 83 e0 07 and $0x7,%eax
7: 38 c2 cmp %al,%dl
9: 0f 9e c1 setle %cl
c: 84 d2 test %dl,%dl
e: 0f 95 c0 setne %al
11: 84 c1 test %al,%cl
13: 0f 85 cd 02 00 00 jne 0x2e6
19: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx
20: fc ff df
23: 48 89 d8 mov %rbx,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 0f b6 0c 10 movzbl (%rax,%rdx,1),%ecx <-- trapping instruction
2e: 48 8d 43 07 lea 0x7(%rbx),%rax
32: 48 89 c6 mov %rax,%rsi
35: 48 c1 ee 03 shr $0x3,%rsi
39: 0f b6 14 16 movzbl (%rsi,%rdx,1),%edx
3d: 48 89 de mov %rbx,%rsi