wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready Bluetooth: hci4: SCO packet for unknown connection handle 0 general protection fault, probably for non-canonical address 0xe7dffc0000000000: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: maybe wild-memory-access in range [0x3f00000000000000-0x3f00000000000007] CPU: 1 PID: 313 Comm: kworker/u5:6 Not tainted 5.16.0-rc4-next-20211208 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Workqueue: hci4 hci_rx_work RIP: 0010:hci_inquiry_result_with_rssi_evt+0xa3/0x920 net/bluetooth/hci_event.c:4520 Code: 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 0f 85 16 07 00 00 48 8b 04 24 4c 8b 20 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <0f> b6 04 02 4c 89 e2 83 e2 07 38 d0 7f 08 84 c0 0f 85 c4 06 00 00 RSP: 0018:ffff88803f22fac8 EFLAGS: 00010217 RAX: dffffc0000000000 RBX: ffff88800e62c000 RCX: 0000000000000000 RDX: 07e0000000000000 RSI: ffffffff839b5f99 RDI: ffff88800e62c000 RBP: ffff88800b4e2a00 R08: 000000000000003c R09: 0000000000000000 R10: ffffffff839da3e8 R11: 0000000000000000 R12: 3f00000000000004 R13: ffff88800b4e2a00 R14: ffff88804025e00b R15: 0000000000000022 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002000 CR3: 0000000017f62000 CR4: 0000000000350ee0 Call Trace: hci_event_func net/bluetooth/hci_event.c:6812 [inline] hci_event_packet+0x7f8/0xe30 net/bluetooth/hci_event.c:6860 hci_rx_work+0x22e/0xb70 net/bluetooth/hci_core.c:3817 process_one_work+0xa30/0x1710 kernel/workqueue.c:2318 worker_thread+0x62a/0x13e0 kernel/workqueue.c:2465 kthread+0x40c/0x500 kernel/kthread.c:345 ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:295 Modules linked in: ---[ end trace 0f2c4205591b08fa ]--- RIP: 0010:hci_inquiry_result_with_rssi_evt+0xa3/0x920 net/bluetooth/hci_event.c:4520 Code: 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 0f 85 16 07 00 00 48 8b 04 24 4c 8b 20 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <0f> b6 04 02 4c 89 e2 83 e2 07 38 d0 7f 08 84 c0 0f 85 c4 06 00 00 RSP: 0018:ffff88803f22fac8 EFLAGS: 00010217 RAX: dffffc0000000000 RBX: ffff88800e62c000 RCX: 0000000000000000 RDX: 07e0000000000000 RSI: ffffffff839b5f99 RDI: ffff88800e62c000 RBP: ffff88800b4e2a00 R08: 000000000000003c R09: 0000000000000000 R10: ffffffff839da3e8 R11: 0000000000000000 R12: 3f00000000000004 R13: ffff88800b4e2a00 R14: ffff88804025e00b R15: 0000000000000022 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002000 CR3: 0000000017f62000 CR4: 0000000000350ee0 loop2: detected capacity change from 0 to 4 audit: type=1400 audit(1639106023.538:7): avc: denied { open } for pid=3986 comm="syz-executor.6" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 audit: type=1400 audit(1639106023.538:8): avc: denied { kernel } for pid=3986 comm="syz-executor.6" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 loop1: detected capacity change from 0 to 140 EXT4-fs (loop2): bad geometry: block count 256 exceeds size of device (2 blocks) loop2: detected capacity change from 0 to 4 EXT4-fs (loop2): bad geometry: block count 256 exceeds size of device (2 blocks) loop3: detected capacity change from 0 to 264192 EXT4-fs (loop3): unsupported descriptor size 0 EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. ext4 filesystem being mounted at /syzkaller-testdir285141068/syzkaller.IZ1IfT/1/mnt supports timestamps until 2038 (0x7fffffff) loop3: detected capacity change from 0 to 264192 EXT4-fs (loop3): unsupported descriptor size 0 ---------------- Code disassembly (best guess): 0: 4c 89 f0 mov %r14,%rax 3: 48 c1 e8 03 shr $0x3,%rax 7: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) c: 0f 85 16 07 00 00 jne 0x728 12: 48 8b 04 24 mov (%rsp),%rax 16: 4c 8b 20 mov (%rax),%r12 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 4c 89 e2 mov %r12,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax <-- trapping instruction 2e: 4c 89 e2 mov %r12,%rdx 31: 83 e2 07 and $0x7,%edx 34: 38 d0 cmp %dl,%al 36: 7f 08 jg 0x40 38: 84 c0 test %al,%al 3a: 0f 85 c4 06 00 00 jne 0x704