loop3: detected capacity change from 0 to 128 general protection fault, probably for non-canonical address 0xe6bffc0000000001: 0000 [#1] PREEMPT SMP KASAN NOPTI loop6: detected capacity change from 0 to 264192 KASAN: maybe wild-memory-access in range [0x3600000000000008-0x360000000000000f] CPU: 0 PID: 300 Comm: kworker/u5:0 Not tainted 5.16.0-rc8-next-20220105 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Workqueue: hci3 hci_rx_work RIP: 0010:hci_inquiry_result_with_rssi_evt+0x9b/0x850 net/bluetooth/hci_event.c:4519 Code: ef a7 fd 48 89 e8 48 c1 e8 03 42 80 3c 20 00 0f 85 b8 06 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 65 00 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 69 06 00 00 loop1: detected capacity change from 0 to 128 RSP: 0018:ffff88803fe6fae8 EFLAGS: 00010212 RAX: dffffc0000000000 RBX: ffff88801b60c000 RCX: 0000000000000000 RDX: 06c0000000000001 RSI: ffffffff839b2fc4 RDI: ffff88801b60c000 RBP: ffff88800e54140b R08: 0000000000000096 R09: 0000000000000000 R10: ffffffff839d2a20 R11: 0000000000000000 R12: 360000000000000a R13: ffff888008e25640 R14: 0000000000000000 R15: 0000000000000022 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3b408a5000 CR3: 000000000d66c000 CR4: 0000000000350ef0 Call Trace: hci_event_func net/bluetooth/hci_event.c:6838 [inline] hci_event_packet+0x7b6/0xdd0 net/bluetooth/hci_event.c:6887 hci_rx_work+0x22e/0xb70 net/bluetooth/hci_core.c:3817 process_one_work+0xa2a/0x16d0 kernel/workqueue.c:2307 worker_thread+0x628/0x1310 kernel/workqueue.c:2454 kthread+0x2f0/0x3a0 kernel/kthread.c:377 ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:295 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:hci_inquiry_result_with_rssi_evt+0x9b/0x850 net/bluetooth/hci_event.c:4519 Code: ef a7 fd 48 89 e8 48 c1 e8 03 42 80 3c 20 00 0f 85 b8 06 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 65 00 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 69 06 00 00 RSP: 0018:ffff88803fe6fae8 EFLAGS: 00010212 RAX: dffffc0000000000 RBX: ffff88801b60c000 RCX: 0000000000000000 RDX: 06c0000000000001 RSI: ffffffff839b2fc4 RDI: ffff88801b60c000 RBP: ffff88800e54140b R08: 0000000000000096 R09: 0000000000000000 R10: ffffffff839d2a20 R11: 0000000000000000 R12: 360000000000000a R13: ffff888008e25640 R14: 0000000000000000 R15: 0000000000000022 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3b408a5000 CR3: 000000000d66c000 CR4: 0000000000350ef0 EXT4-fs (loop6): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! EXT4-fs (loop6): group descriptors corrupted! loop0: detected capacity change from 0 to 40 loop1: detected capacity change from 0 to 128 loop4: detected capacity change from 0 to 128 loop3: detected capacity change from 0 to 128 loop6: detected capacity change from 0 to 264192 loop1: detected capacity change from 0 to 128 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. EXT4-fs (loop6): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! EXT4-fs (loop6): group descriptors corrupted! loop0: detected capacity change from 0 to 40 ---------------- Code disassembly (best guess): 0: ef out %eax,(%dx) 1: a7 cmpsl %es:(%rdi),%ds:(%rsi) 2: fd std 3: 48 89 e8 mov %rbp,%rax 6: 48 c1 e8 03 shr $0x3,%rax a: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) f: 0f 85 b8 06 00 00 jne 0x6cd 15: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 1c: fc ff df 1f: 4c 8b 65 00 mov 0x0(%rbp),%r12 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 69 06 00 00 jne 0x6a9