mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
BUG: unable to handle page fault for address: fffffbcecc0d4e06
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 6dfd0067 P4D 6dfd0067 PUD 6de3c067 PMD 6de3b067 PTE 0
Oops: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 1 PID: 15921 Comm: syz-executor.0 Not tainted 6.1.0-rc3-next-20221103 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:get_desc+0x128/0x460
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:ffff88803a73fbf8 EFLAGS: 00010216
RAX: 1fffffcecc0d4e06 RBX: fffffe76606a7030 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000006
RBP: ffff88803a73fcb8 R08: 0000000000000006 R09: 000000000000007f
R10: 0000000000000030 R11: 0000000000000001 R12: 1ffff110074e7f7f
R13: dffffc0000000000 R14: 0000000000000000 R15: 000000000000007f
FS: 00007feb3763a700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbcecc0d4e06 CR3: 00000000279d0000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
Call Trace:
insn_get_code_seg_params+0xa7/0x1a0
insn_decode_from_regs+0x6e/0x190
fixup_umip_exception+0xc7/0x6d0
exc_general_protection+0x15d/0x210
asm_exc_general_protection+0x22/0x30
RIP: 0033:0x7feb3a063abd
Code: 8b 81 0c 01 00 00 44 8b 89 08 01 00 00 48 8b 54 24 d8 c1 e0 04 8d b8 7f 01 00 00 83 e7 c0 45 85 c9 74 07 89 d0 31 d2 41 f7 f1 41 0f 6f 00 89 d0 c1 e0 06 48 01 c6 0f 11 06 f3 41 0f 6f 48 10
RSP: 002b:00007feb3763a178 EFLAGS: 00010212
RAX: 0000000000000000 RBX: 00007feb3a1d7f60 RCX: 0000000020ffc000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000020140
RBP: 00007feb3a11ef6d R08: 9999999999999999 R09: 0000000000001000
R10: 0000000000000000 R11: 00000000000c8baa R12: 0000000000000000
R13: 00007ffce05827af R14: 00007feb3763a300 R15: 0000000000022000
Modules linked in:
CR2: fffffbcecc0d4e06
---[ end trace 0000000000000000 ]---
RIP: 0010:get_desc+0x128/0x460
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:ffff88803a73fbf8 EFLAGS: 00010216
RAX: 1fffffcecc0d4e06 RBX: fffffe76606a7030 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000006
RBP: ffff88803a73fcb8 R08: 0000000000000006 R09: 000000000000007f
R10: 0000000000000030 R11: 0000000000000001 R12: 1ffff110074e7f7f
R13: dffffc0000000000 R14: 0000000000000000 R15: 000000000000007f
FS: 00007feb3763a700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbcecc0d4e06 CR3: 00000000279d0000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
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
BUG: unable to handle page fault for address: fffffbcecc0d4e06
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 6dfd0067 P4D 6dfd0067 PUD 6de3c067 PMD 6de3b067 PTE 0
Oops: 0000 [#2] PREEMPT SMP KASAN NOPTI
CPU: 1 PID: 15951 Comm: syz-executor.0 Tainted: G D 6.1.0-rc3-next-20221103 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:get_desc+0x128/0x460
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:ffff88803f437bf8 EFLAGS: 00010216
RAX: 1fffffcecc0d4e06 RBX: fffffe76606a7030 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000006
RBP: ffff88803f437cb8 R08: 0000000000000006 R09: 000000000000007f
R10: 0000000000000030 R11: 0000000000000001 R12: 1ffff11007e86f7f
R13: dffffc0000000000 R14: 0000000000000000 R15: 000000000000007f
FS: 00007feb3763a700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbcecc0d4e06 CR3: 000000003dbca000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
Call Trace:
insn_get_code_seg_params+0xa7/0x1a0
insn_decode_from_regs+0x6e/0x190
fixup_umip_exception+0xc7/0x6d0
exc_general_protection+0x15d/0x210
asm_exc_general_protection+0x22/0x30
RIP: 0033:0x7feb3a063abd
Code: 8b 81 0c 01 00 00 44 8b 89 08 01 00 00 48 8b 54 24 d8 c1 e0 04 8d b8 7f 01 00 00 83 e7 c0 45 85 c9 74 07 89 d0 31 d2 41 f7 f1 41 0f 6f 00 89 d0 c1 e0 06 48 01 c6 0f 11 06 f3 41 0f 6f 48 10
RSP: 002b:00007feb3763a178 EFLAGS: 00010212
RAX: 0000000000000000 RBX: 00007feb3a1d7f60 RCX: 0000000020ffc000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000020140
RBP: 00007feb3a11ef6d R08: 9999999999999999 R09: 0000000000001000
R10: 0000000000000000 R11: 00000000000c93c4 R12: 0000000000000000
R13: 00007ffce05827af R14: 00007feb3763a300 R15: 0000000000022000
Modules linked in:
CR2: fffffbcecc0d4e06
---[ end trace 0000000000000000 ]---
RIP: 0010:get_desc+0x128/0x460
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:ffff88803a73fbf8 EFLAGS: 00010216
RAX: 1fffffcecc0d4e06 RBX: fffffe76606a7030 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000006
RBP: ffff88803a73fcb8 R08: 0000000000000006 R09: 000000000000007f
R10: 0000000000000030 R11: 0000000000000001 R12: 1ffff110074e7f7f
R13: dffffc0000000000 R14: 0000000000000000 R15: 000000000000007f
FS: 00007feb3763a700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbcecc0d4e06 CR3: 000000003dbca000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
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
BUG: unable to handle page fault for address: fffffbcecc0d4e06
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 6dfd0067 P4D 6dfd0067 PUD 6de3c067 PMD 6de3b067 PTE 0
Oops: 0000 [#3] PREEMPT SMP KASAN NOPTI
CPU: 1 PID: 15988 Comm: syz-executor.0 Tainted: G D 6.1.0-rc3-next-20221103 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:get_desc+0x128/0x460
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:ffff88803d3e7bf8 EFLAGS: 00010216
RAX: 1fffffcecc0d4e06 RBX: fffffe76606a7030 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000006
RBP: ffff88803d3e7cb8 R08: 0000000000000006 R09: 000000000000007f
R10: 0000000000000030 R11: 0000000000000001 R12: 1ffff11007a7cf7f
R13: dffffc0000000000 R14: 0000000000000000 R15: 000000000000007f
FS: 00007feb3763a700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbcecc0d4e06 CR3: 000000003ce9c000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
Call Trace:
insn_get_code_seg_params+0xa7/0x1a0
insn_decode_from_regs+0x6e/0x190
fixup_umip_exception+0xc7/0x6d0
exc_general_protection+0x15d/0x210
asm_exc_general_protection+0x22/0x30
RIP: 0033:0x7feb3a063abd
Code: 8b 81 0c 01 00 00 44 8b 89 08 01 00 00 48 8b 54 24 d8 c1 e0 04 8d b8 7f 01 00 00 83 e7 c0 45 85 c9 74 07 89 d0 31 d2 41 f7 f1 41 0f 6f 00 89 d0 c1 e0 06 48 01 c6 0f 11 06 f3 41 0f 6f 48 10
RSP: 002b:00007feb3763a178 EFLAGS: 00010212
RAX: 0000000000000000 RBX: 00007feb3a1d7f60 RCX: 0000000020ffc000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000020140
RBP: 00007feb3a11ef6d R08: 9999999999999999 R09: 0000000000001000
R10: 0000000000000000 R11: 00000000000c9d12 R12: 0000000000000000
R13: 00007ffce05827af R14: 00007feb3763a300 R15: 0000000000022000
Modules linked in:
CR2: fffffbcecc0d4e06
---[ end trace 0000000000000000 ]---
RIP: 0010:get_desc+0x128/0x460
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:ffff88803a73fbf8 EFLAGS: 00010216
RAX: 1fffffcecc0d4e06 RBX: fffffe76606a7030 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000006
RBP: ffff88803a73fcb8 R08: 0000000000000006 R09: 000000000000007f
R10: 0000000000000030 R11: 0000000000000001 R12: 1ffff110074e7f7f
R13: dffffc0000000000 R14: 0000000000000000 R15: 000000000000007f
FS: 00007feb3763a700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbcecc0d4e06 CR3: 000000003ce9c000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.7'.
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.7'.
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.7'.
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.7'.
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.6'.
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.7'.
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.6'.
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.3'.
----------------
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