general protection fault, probably for non-canonical address 0xefdffc0000000000: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: maybe wild-memory-access in range [0x7f00000000000000-0x7f00000000000007] CPU: 0 PID: 303 Comm: kworker/u5:1 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: hci4 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:ffff8880178c7ae8 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: ffff888017014000 RCX: 0000000000000000 RDX: 0fe0000000000000 RSI: ffffffff839ae514 RDI: ffff888017014000 EXT4-fs (loop1): failed to parse options in superblock: ë†âà{~V RBP: ffff888041a2180b R08: 000000000000002d R09: 0000000000000000 R10: ffffffff839cdf70 R11: 0000000000000000 R12: 7f00000000000003 R13: ffff8880180a38c0 R14: 0000000000000000 R15: 0000000000000022 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdb9fe20018 CR3: 000000003f760000 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: 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:ffff8880178c7ae8 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: ffff888017014000 RCX: 0000000000000000 RDX: 0fe0000000000000 RSI: ffffffff839ae514 RDI: ffff888017014000 RBP: ffff888041a2180b R08: 000000000000002d R09: 0000000000000000 R10: ffffffff839cdf70 R11: 0000000000000000 R12: 7f00000000000003 R13: ffff8880180a38c0 R14: 0000000000000000 R15: 0000000000000022 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdb9fe20018 CR3: 000000003f760000 CR4: 0000000000350ef0 EXT4-fs (loop7): mounted filesystem without journal. Quota mode: writeback. EXT4-fs (loop1): mounted filesystem without journal. Quota mode: none. ext4 filesystem being mounted at /syzkaller-testdir966152265/syzkaller.Ve8IQM/96/file0 supports timestamps until 2038 (0x7fffffff) loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): failed to parse options in superblock: ë†âà{~V EXT4-fs (loop1): mounted filesystem without journal. Quota mode: none. loop3: detected capacity change from 0 to 1024 ext4 filesystem being mounted at /syzkaller-testdir966152265/syzkaller.Ve8IQM/97/file0 supports timestamps until 2038 (0x7fffffff) EXT4-fs (loop3): failed to parse options in superblock: ë†âà{~V EXT4-fs (loop3): mounted filesystem without journal. Quota mode: none. ext4 filesystem being mounted at /syzkaller-testdir319368977/syzkaller.BK46r0/102/file0 supports timestamps until 2038 (0x7fffffff) loop6: detected capacity change from 0 to 512 ext4: Unknown parameter '&‘Ñ*¢ßþF¡g#$W'Û"+³k"' loop2: detected capacity change from 0 to 64 FAT-fs (loop2): Unrecognized mount option "nnonumtail=1" or missing value loop6: detected capacity change from 0 to 512 ext4: Unknown parameter '&‘Ñ*¢ßþF¡g#$W'Û"+³k"' loop1: detected capacity change from 0 to 264192 nfs4: Unknown parameter 'subj_type' loop2: detected capacity change from 0 to 64 loop1: detected capacity change from 0 to 128 loop3: detected capacity change from 0 to 1024 FAT-fs (loop2): Unrecognized mount option "nnonumtail=1" or missing value EXT4-fs (loop3): failed to parse options in superblock: ë†âà{~V loop1: detected capacity change from 0 to 264192 nfs4: Unknown parameter 'subj_type' EXT4-fs (loop3): mounted filesystem without journal. Quota mode: none. ext4 filesystem being mounted at /syzkaller-testdir319368977/syzkaller.BK46r0/103/file0 supports timestamps until 2038 (0x7fffffff) PM: hibernation: Marking nosave pages: [mem 0x00000000-0x00000fff] PM: hibernation: Marking nosave pages: [mem 0x0009f000-0x000fffff] PM: hibernation: Basic memory bitmaps created Unrecognized hibernate image header format! PM: hibernation: Image mismatch: architecture specific data audit: type=1326 audit(1640956192.458:20): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=7865 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f439ea94b19 code=0x0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=7863 comm=syz-executor.6 PM: hibernation: Basic memory bitmaps freed PM: hibernation: Marking nosave pages: [mem 0x00000000-0x00000fff] PM: hibernation: Marking nosave pages: [mem 0x0009f000-0x000fffff] PM: hibernation: Basic memory bitmaps created Unrecognized hibernate image header format! PM: hibernation: Image mismatch: architecture specific data PM: hibernation: Basic memory bitmaps freed ---------------- 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