program: futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) futex(&(0x7f000000cffc)=0x4, 0x80000000000b, 0x4, 0x0, &(0x7f0000048000), 0x0) futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000280), &(0x7f0000048000)=0x5, 0x0) [ 84.767041][ T4648] Bluetooth: hci0: command tx timeout [ 85.023106][ T5326] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000151: 0000 [#1] SMP KASAN NOPTI [ 85.028213][ T5326] KASAN: null-ptr-deref in range [0x0000000000000a88-0x0000000000000a8f] [ 85.032008][ T5326] CPU: 0 UID: 0 PID: 5326 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 85.036131][ T5326] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 85.040697][ T5326] RIP: 0010:kasan_byte_accessible+0x12/0x30 [ 85.043578][ T5326] Code: 79 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 07 3c 08 0f 92 c0 e9 c0 bf 79 09 cc 66 66 66 66 66 66 2e [ 85.051979][ T5326] RSP: 0018:ffffc90004af7840 EFLAGS: 00010002 [ 85.054781][ T5326] RAX: dffffc0000000000 RBX: ffffffff8babdd3e RCX: 0000000000000005 [ 85.058399][ T5326] RDX: 0000000000000000 RSI: ffffffff8babdd3e RDI: 0000000000000151 [ 85.061894][ T5326] RBP: ffffffff8bab7da8 R08: 0000000000000001 R09: 0000000000000000 [ 85.065451][ T5326] R10: dffffc0000000000 R11: fffff5200095ef24 R12: 0000000000000000 [ 85.069010][ T5326] R13: 0000000000000a88 R14: 0000000000000a88 R15: 0000000000000001 [ 85.072591][ T5326] FS: 00007f4234a5a6c0(0000) GS:ffff88808c88b000(0000) knlGS:0000000000000000 [ 85.076639][ T5326] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.079563][ T5326] CR2: 00007f4234a59fe8 CR3: 0000000039c9d000 CR4: 0000000000352ef0 [ 85.083903][ T5326] Call Trace: [ 85.086017][ T5326] [ 85.087738][ T5326] __kasan_check_byte+0x12/0x40 [ 85.090452][ T5326] lock_acquire+0x84/0x350 [ 85.092513][ T5326] _raw_spin_lock+0x2e/0x40 [ 85.094690][ T5326] ? remove_waiter+0x138/0xb10 [ 85.097035][ T5326] remove_waiter+0x138/0xb10 [ 85.099211][ T5326] ? try_to_take_rt_mutex+0x4f/0xac0 [ 85.101634][ T5326] rt_mutex_start_proxy_lock+0x10a/0x230 [ 85.104213][ T5326] ? __pfx_rt_mutex_start_proxy_lock+0x10/0x10 [ 85.107041][ T5326] ? plist_add+0x4ae/0x540 [ 85.109111][ T5326] ? futex_requeue+0x1205/0x1c90 [ 85.111393][ T5326] futex_requeue+0xfb5/0x1c90 [ 85.113604][ T5326] ? __pfx_futex_requeue+0x10/0x10 [ 85.115718][ T5326] ? kasan_quarantine_put+0xbb/0x1f0 [ 85.117892][ T5326] ? tomoyo_path_number_perm+0x219/0x630 [ 85.120294][ T5326] ? do_vfs_ioctl+0x1166/0x1530 [ 85.122394][ T5326] ? __lock_acquire+0x6b5/0x2cf0 [ 85.124593][ T5326] ? do_raw_spin_lock+0x12b/0x2f0 [ 85.126685][ T5326] do_futex+0x362/0x420 [ 85.128457][ T5326] ? __pfx_do_futex+0x10/0x10 [ 85.130715][ T5326] ? do_raw_spin_lock+0x12b/0x2f0 [ 85.133143][ T5326] __se_sys_futex+0x3a8/0x450 [ 85.135171][ T5326] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 85.137801][ T5326] ? __pfx___se_sys_futex+0x10/0x10 [ 85.140240][ T5326] ? __x64_sys_futex+0x21/0xf0 [ 85.142431][ T5326] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.145065][ T5326] do_syscall_64+0x15f/0xf80 [ 85.147234][ T5326] ? trace_irq_disable+0x3b/0x140 [ 85.149648][ T5326] ? clear_bhb_loop+0x40/0x90 [ 85.151691][ T5326] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.154153][ T5326] RIP: 0033:0x7f4233b9cdd9 [ 85.156103][ T5326] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 85.164705][ T5326] RSP: 002b:00007f4234a59fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 85.168553][ T5326] RAX: ffffffffffffffda RBX: 00007f4233e16180 RCX: 00007f4233b9cdd9 [ 85.172279][ T5326] RDX: 0000000000000001 RSI: 000000000000000c RDI: 000020000000cffc [ 85.175995][ T5326] RBP: 00007f4233c32d69 R08: 0000200000048000 R09: 0000000000000000 [ 85.179598][ T5326] R10: 0000200000000280 R11: 0000000000000246 R12: 0000000000000000 [ 85.183145][ T5326] R13: 00007f4233e16218 R14: 00007f4233e16180 R15: 00007ffe63411468 [ 85.186745][ T5326] [ 85.188245][ T5326] Modules linked in: [ 85.190156][ T5326] ---[ end trace 0000000000000000 ]--- [ 85.192676][ T5326] RIP: 0010:kasan_byte_accessible+0x12/0x30 [ 85.195355][ T5326] Code: 79 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 07 3c 08 0f 92 c0 e9 c0 bf 79 09 cc 66 66 66 66 66 66 2e [ 85.204000][ T5326] RSP: 0018:ffffc90004af7840 EFLAGS: 00010002 [ 85.206804][ T5326] RAX: dffffc0000000000 RBX: ffffffff8babdd3e RCX: 0000000000000005 [ 85.210325][ T5326] RDX: 0000000000000000 RSI: ffffffff8babdd3e RDI: 0000000000000151 [ 85.214034][ T5326] RBP: ffffffff8bab7da8 R08: 0000000000000001 R09: 0000000000000000 [ 85.217576][ T5326] R10: dffffc0000000000 R11: fffff5200095ef24 R12: 0000000000000000 [ 85.221143][ T5326] R13: 0000000000000a88 R14: 0000000000000a88 R15: 0000000000000001 [ 85.224754][ T5326] FS: 00007f4234a5a6c0(0000) GS:ffff88808c88b000(0000) knlGS:0000000000000000 [ 85.228806][ T5326] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.231903][ T5326] CR2: 00007f4234a59fe8 CR3: 0000000039c9d000 CR4: 0000000000352ef0 [ 85.235710][ T5326] Kernel panic - not syncing: Fatal exception [ 85.238859][ T5326] Kernel Offset: disabled [ 85.240870][ T5326] Rebooting in 86400 seconds..