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: 5889 Comm: syz-executor.2 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_write+0x477/0x700 Code: 00 0f 85 fd 01 00 00 4d 8b 7c 24 28 e8 d2 05 c6 ff 48 8b 44 24 18 80 38 00 0f 85 68 01 00 00 48 8b 43 18 48 89 c2 48 c1 ea 03 <42> 80 3c 32 00 0f 85 3b 01 00 00 48 8b 4c 24 20 48 8b 30 80 39 00 RSP: 0018:ffff888042737c70 EFLAGS: 00010216 RAX: 0000000020000140 RBX: ffff888042737d60 RCX: ffffc90011c75000 RDX: 0000000004000028 RSI: ffffffff8185830e RDI: 0000000000000007 RBP: 0000000000000040 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000040 R11: 0000000000000001 R12: ffff88801a123680 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84a12e00 FS: 00007f8e547bb700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8e57354af8 CR3: 000000003f162000 CR4: 0000000000350ef0 Call Trace: vfs_writev+0x1ae/0x660 __x64_sys_pwritev+0x233/0x310 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f8e57245b19 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:00007f8e547bb188 EFLAGS: 00000246 ORIG_RAX: 0000000000000128 RAX: ffffffffffffffda RBX: 00007f8e57358f60 RCX: 00007f8e57245b19 RDX: 0000000000000001 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 00007f8e5729ff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdeba773ef R14: 00007f8e547bb300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:do_iter_write+0x477/0x700 Code: 00 0f 85 fd 01 00 00 4d 8b 7c 24 28 e8 d2 05 c6 ff 48 8b 44 24 18 80 38 00 0f 85 68 01 00 00 48 8b 43 18 48 89 c2 48 c1 ea 03 <42> 80 3c 32 00 0f 85 3b 01 00 00 48 8b 4c 24 20 48 8b 30 80 39 00 RSP: 0018:ffff888042737c70 EFLAGS: 00010216 RAX: 0000000020000140 RBX: ffff888042737d60 RCX: ffffc90011c75000 RDX: 0000000004000028 RSI: ffffffff8185830e RDI: 0000000000000007 RBP: 0000000000000040 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000040 R11: 0000000000000001 R12: ffff88801a123680 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84a12e00 FS: 00007f8e547bb700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8e57354af8 CR3: 000000003f162000 CR4: 0000000000350ef0 Bluetooth: hci1: Opcode 0x c03 failed: -110 loop7: detected capacity change from 0 to 264192 FAT-fs (loop7): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) loop5: detected capacity change from 0 to 264192 FAT-fs (loop5): 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) loop5: detected capacity change from 0 to 264192 FAT-fs (loop5): 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) loop5: detected capacity change from 0 to 264192 FAT-fs (loop5): 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) ext3: Bad value for 'data_err' ext3: Bad value for 'data_err' cgroup: subsys name conflicts with all syz_tun: entered promiscuous mode syz_tun: left promiscuous mode syz_tun: entered promiscuous mode syz_tun: left promiscuous mode ext3: Bad value for 'data_err' cgroup: subsys name conflicts with all cgroup: subsys name conflicts with all 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 4 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 ext3: Bad value for 'data_err' syz_tun: entered promiscuous mode syz_tun: left promiscuous mode cgroup: subsys name conflicts with all ext3: Bad value for 'data_err' 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 4 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 syz_tun: entered promiscuous mode syz_tun: left promiscuous mode syz_tun: entered promiscuous mode syz_tun: left promiscuous mode 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 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 Bluetooth: hci7: Controller not accepting commands anymore: ncmd = 0 Bluetooth: hci7: Injecting HCI hardware error event Bluetooth: hci7: hardware error 0x00 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 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 00 00 00 08 00 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 Bluetooth: hci7: Opcode 0x c03 failed: -110 netlink: 'syz-executor.7': attribute type 16 has an invalid length. netlink: 'syz-executor.7': attribute type 16 has an invalid length. general protection fault, probably for non-canonical address 0xdffffc0004000448: 0000 [#2] PREEMPT SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000020002240-0x0000000020002247] CPU: 1 PID: 6398 Comm: syz-executor.2 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:ffff888019567c78 EFLAGS: 00010216 RAX: 0000000020002240 RBX: ffff888019567d60 RCX: ffffc90011e76000 RDX: 0000000004000448 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 000000000000100d R08: 0000000000000007 R09: 0000000000000000 R10: 000000000000100d R11: 0000000000000001 R12: ffff88800e32ea00 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8491de20 FS: 00007f8e5479a700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8e54779718 CR3: 000000000c8d8000 CR4: 0000000000350ee0 Call Trace: vfs_readv+0xe5/0x160 __x64_sys_preadv+0x233/0x310 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f8e57245b19 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:00007f8e5479a188 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 00007f8e57359020 RCX: 00007f8e57245b19 RDX: 0000000000000001 RSI: 0000000020000100 RDI: 0000000000000007 RBP: 00007f8e5729ff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdeba773ef R14: 00007f8e5479a300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:do_iter_write+0x477/0x700 Code: 00 0f 85 fd 01 00 00 4d 8b 7c 24 28 e8 d2 05 c6 ff 48 8b 44 24 18 80 38 00 0f 85 68 01 00 00 48 8b 43 18 48 89 c2 48 c1 ea 03 <42> 80 3c 32 00 0f 85 3b 01 00 00 48 8b 4c 24 20 48 8b 30 80 39 00 RSP: 0018:ffff888042737c70 EFLAGS: 00010216 RAX: 0000000020000140 RBX: ffff888042737d60 RCX: ffffc90011c75000 RDX: 0000000004000028 RSI: ffffffff8185830e RDI: 0000000000000007 RBP: 0000000000000040 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000040 R11: 0000000000000001 R12: ffff88801a123680 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84a12e00 FS: 00007f8e5479a700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8e54779718 CR3: 000000000c8d8000 CR4: 0000000000350ee0 general protection fault, probably for non-canonical address 0xdffffc0004000448: 0000 [#3] PREEMPT SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000020002240-0x0000000020002247] CPU: 1 PID: 6425 Comm: syz-executor.6 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:ffff88804046fc78 EFLAGS: 00010216 RAX: 0000000020002240 RBX: ffff88804046fd60 RCX: ffffc90003e06000 RDX: 0000000004000448 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 000000000000100d R08: 0000000000000007 R09: 0000000000000000 R10: 000000000000100d R11: 0000000000000001 R12: ffff88800c4ef400 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8491de20 FS: 00007fca0d9af700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c82a000 CR3: 000000001f464000 CR4: 0000000000350ee0 Call Trace: vfs_readv+0xe5/0x160 __x64_sys_preadv+0x233/0x310 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fca10439b19 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:00007fca0d9af188 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 00007fca1054cf60 RCX: 00007fca10439b19 RDX: 0000000000000001 RSI: 0000000020000100 RDI: 0000000000000007 RBP: 00007fca10493f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcc572b4ef R14: 00007fca0d9af300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:do_iter_write+0x477/0x700 Code: 00 0f 85 fd 01 00 00 4d 8b 7c 24 28 e8 d2 05 c6 ff 48 8b 44 24 18 80 38 00 0f 85 68 01 00 00 48 8b 43 18 48 89 c2 48 c1 ea 03 <42> 80 3c 32 00 0f 85 3b 01 00 00 48 8b 4c 24 20 48 8b 30 80 39 00 RSP: 0018:ffff888042737c70 EFLAGS: 00010216 RAX: 0000000020000140 RBX: ffff888042737d60 RCX: ffffc90011c75000 RDX: 0000000004000028 RSI: ffffffff8185830e RDI: 0000000000000007 RBP: 0000000000000040 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000040 R11: 0000000000000001 R12: ffff88801a123680 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84a12e00 FS: 00007fca0d9af700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c82a000 CR3: 000000001f464000 CR4: 0000000000350ee0 netlink: 'syz-executor.7': attribute type 16 has an invalid length. general protection fault, probably for non-canonical address 0xdffffc0004000448: 0000 [#4] PREEMPT SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000020002240-0x0000000020002247] CPU: 1 PID: 6434 Comm: syz-executor.2 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:ffff88804240fc78 EFLAGS: 00010216 RAX: 0000000020002240 RBX: ffff88804240fd60 RCX: ffffc90011c75000 RDX: 0000000004000448 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 000000000000100d R08: 0000000000000007 R09: 0000000000000000 R10: 000000000000100d R11: 0000000000000001 R12: ffff88803e627b80 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8491de20 FS: 00007f8e547bb700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff37c4f8d58 CR3: 000000000f0aa000 CR4: 0000000000350ee0 Call Trace: vfs_readv+0xe5/0x160 __x64_sys_preadv+0x233/0x310 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f8e57245b19 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:00007f8e547bb188 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 00007f8e57358f60 RCX: 00007f8e57245b19 RDX: 0000000000000001 RSI: 0000000020000100 RDI: 0000000000000006 RBP: 00007f8e5729ff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdeba773ef R14: 00007f8e547bb300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:do_iter_write+0x477/0x700 Code: 00 0f 85 fd 01 00 00 4d 8b 7c 24 28 e8 d2 05 c6 ff 48 8b 44 24 18 80 38 00 0f 85 68 01 00 00 48 8b 43 18 48 89 c2 48 c1 ea 03 <42> 80 3c 32 00 0f 85 3b 01 00 00 48 8b 4c 24 20 48 8b 30 80 39 00 RSP: 0018:ffff888042737c70 EFLAGS: 00010216 RAX: 0000000020000140 RBX: ffff888042737d60 RCX: ffffc90011c75000 RDX: 0000000004000028 RSI: ffffffff8185830e RDI: 0000000000000007 RBP: 0000000000000040 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000040 R11: 0000000000000001 R12: ffff88801a123680 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84a12e00 FS: 00007f8e547bb700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff37c4f8d58 CR3: 000000000f0aa000 CR4: 0000000000350ee0 netlink: 'syz-executor.7': attribute type 16 has an invalid length. ---------------- Code disassembly (best guess): 0: 00 0f add %cl,(%rdi) 2: 85 fd test %edi,%ebp 4: 01 00 add %eax,(%rax) 6: 00 4d 8b add %cl,-0x75(%rbp) 9: 7c 24 jl 0x2f b: 28 e8 sub %ch,%al d: d2 05 c6 ff 48 8b rolb %cl,-0x74b7003a(%rip) # 0x8b48ffd9 13: 44 24 18 rex.R and $0x18,%al 16: 80 38 00 cmpb $0x0,(%rax) 19: 0f 85 68 01 00 00 jne 0x187 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 3b 01 00 00 jne 0x170 35: 48 8b 4c 24 20 mov 0x20(%rsp),%rcx 3a: 48 8b 30 mov (%rax),%rsi 3d: 80 39 00 cmpb $0x0,(%rcx)