general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 0 PID: 19775 Comm: syz-executor.4 Not tainted 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__queue_work+0x16a/0xc60 kernel/workqueue.c:1439 Code: eb ff 48 89 df 89 c6 e8 94 64 ff ff 49 89 c7 48 89 ef e8 39 80 ff ff 49 89 c0 4c 89 f8 48 c1 e8 03 4d 85 c0 0f 84 22 01 00 00 <42> 80 3c 30 00 0f 85 cf 08 00 00 4d 39 07 0f 84 1c 01 00 00 4c 89 RSP: 0018:ffffc900048a7928 EFLAGS: 00010086 RAX: 0000000000000000 RBX: ffff888122496800 RCX: 0000000000000000 RDX: ffffed1020080008 RSI: 0000000000000005 RDI: ffff888100400090 RBP: ffff88812f4d4a88 R08: ffff888107cd2000 R09: ffff888100400040 R10: 0000000000000040 R11: 0000000000000000 R12: 0000000000000000 R13: ffffed1024492d38 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007fb1af067700(0000) GS:ffff8881f6400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000afb708 CR3: 000000011d962003 CR4: 00000000001706f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: queue_work_on+0x101/0x140 kernel/workqueue.c:1524 queue_work include/linux/workqueue.h:507 [inline] req_run+0x28b/0x500 net/bluetooth/hci_request.c:88 hci_req_run_skb net/bluetooth/hci_request.c:100 [inline] __hci_req_sync+0x1b8/0x750 net/bluetooth/hci_request.c:213 hci_req_sync+0x74/0xa0 net/bluetooth/hci_request.c:280 hci_inquiry+0x5e8/0x800 net/bluetooth/hci_core.c:1356 hci_sock_ioctl+0x154/0x630 net/bluetooth/hci_sock.c:1055 sock_do_ioctl+0xc6/0x210 net/socket.c:1039 sock_ioctl+0x3bf/0x570 net/socket.c:1179 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl fs/ioctl.c:739 [inline] __x64_sys_ioctl+0x11f/0x190 fs/ioctl.c:739 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x464769 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:00007fb1af067188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000055c040 RCX: 0000000000464769 RDX: 0000000020000000 RSI: 00000000800448f0 RDI: 0000000000000006 RBP: 00000000004ae608 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000055c040 R13: 00007ffe4716704f R14: 00007fb1af067300 R15: 0000000000022000 Modules linked in: ---[ end trace a6e64bfeb640a350 ]--- RIP: 0010:__queue_work+0x16a/0xc60 kernel/workqueue.c:1439 Code: eb ff 48 89 df 89 c6 e8 94 64 ff ff 49 89 c7 48 89 ef e8 39 80 ff ff 49 89 c0 4c 89 f8 48 c1 e8 03 4d 85 c0 0f 84 22 01 00 00 <42> 80 3c 30 00 0f 85 cf 08 00 00 4d 39 07 0f 84 1c 01 00 00 4c 89 RSP: 0018:ffffc900048a7928 EFLAGS: 00010086 RAX: 0000000000000000 RBX: ffff888122496800 RCX: 0000000000000000 RDX: ffffed1020080008 RSI: 0000000000000005 RDI: ffff888100400090 RBP: ffff88812f4d4a88 R08: ffff888107cd2000 R09: ffff888100400040 R10: 0000000000000040 R11: 0000000000000000 R12: 0000000000000000 R13: ffffed1024492d38 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007fb1af067700(0000) GS:ffff8881f6400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000afb708 CR3: 000000011d962003 CR4: 00000000001706f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400