R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 0000000000000004 R14: 0000000020000248 R15: 0000000000000003 Bluetooth: hci7: ACL packet for unknown connection handle 1 general protection fault, probably for non-canonical address 0xe11ffc0000000001: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: maybe wild-memory-access in range [0x0900000000000008-0x090000000000000f] CPU: 1 PID: 309 Comm: kworker/u5:3 Not tainted 5.16.0-rc6-next-20211224 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Workqueue: hci7 hci_rx_work RIP: 0010:hci_inquiry_result_with_rssi_evt+0x9b/0x850 net/bluetooth/hci_event.c:4519 Code: 39 a8 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:ffff8880403efae8 EFLAGS: 00010212 RAX: dffffc0000000000 RBX: ffff8880181c4000 RCX: 0000000000000000 RDX: 0120000000000001 RSI: ffffffff839ae514 RDI: ffff8880181c4000 RBP: ffff888015738c0b R08: 000000000000007e R09: 0000000000000000 R10: ffffffff839cdf70 R11: 0000000000000000 R12: 0900000000000009 R13: ffff88804019d3c0 R14: 0000000000000000 R15: 0000000000000022 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30822000 CR3: 000000001d788000 CR4: 0000000000350ee0 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: 39 a8 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:ffff8880403efae8 EFLAGS: 00010212 RAX: dffffc0000000000 RBX: ffff8880181c4000 RCX: 0000000000000000 RDX: 0120000000000001 RSI: ffffffff839ae514 RDI: ffff8880181c4000 RBP: ffff888015738c0b R08: 000000000000007e R09: 0000000000000000 R10: ffffffff839cdf70 R11: 0000000000000000 R12: 0900000000000009 R13: ffff88804019d3c0 R14: 0000000000000000 R15: 0000000000000022 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30822000 CR3: 000000001d788000 CR4: 0000000000350ee0 FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop5): FAT read failed (blocknr 32) loop4: detected capacity change from 0 to 8 FAT-fs (loop4): Directory bread(block 3) failed loop5: detected capacity change from 0 to 8 FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop5): FAT read failed (blocknr 32) FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 12936 Comm: syz-executor.3 Tainted: G D 5.16.0-rc6-next-20211224 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x8b/0xb3 lib/dump_stack.c:106 fail_dump lib/fault-inject.c:52 [inline] should_fail.cold+0x5/0xa lib/fault-inject.c:146 should_failslab+0x5/0x10 mm/slab_common.c:1304 slab_pre_alloc_hook mm/slab.h:716 [inline] slab_alloc_node mm/slub.c:3144 [inline] slab_alloc mm/slub.c:3238 [inline] kmem_cache_alloc+0x5b/0x480 mm/slub.c:3243 kmem_cache_zalloc include/linux/slab.h:705 [inline] __alloc_file+0x21/0x240 fs/file_table.c:132 alloc_empty_file+0x6d/0x170 fs/file_table.c:181 path_openat+0xe1/0x28a0 fs/namei.c:3595 do_filp_open+0x1aa/0x400 fs/namei.c:3636 do_sys_openat2+0x16d/0x4d0 fs/open.c:1214 do_sys_open fs/open.c:1230 [inline] __do_sys_openat fs/open.c:1246 [inline] __se_sys_openat fs/open.c:1241 [inline] __x64_sys_openat+0x13f/0x1f0 fs/open.c:1241 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f892d8e4a04 Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 RSP: 002b:00007f892aea6ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f892d97b970 RCX: 00007f892d8e4a04 RDX: 0000000000000002 RSI: 00007f892aea7000 RDI: 00000000ffffff9c RBP: 00007f892aea7000 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 0000000000000004 R14: 0000000020000248 R15: 0000000000000003 loop5: detected capacity change from 0 to 4096 EXT4-fs (loop5): mounted filesystem without journal. Quota mode: none. ---------------- Code disassembly (best guess): 0: 39 a8 fd 48 89 e8 cmp %ebp,-0x1776b703(%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