random: crng reseeded on system resumption netlink: 8 bytes leftover after parsing attributes in process `syz-executor.7'. tmpfs: Bad value for 'mpol' tmpfs: Bad value for 'mpol' Bluetooth: hci4: command 0x0405 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.7:4243] Modules linked in: irq event stamp: 233212 hardirqs last enabled at (233211): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (233212): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (233200): [] irq_exit_rcu+0x93/0xc0 softirqs last disabled at (233193): [] irq_exit_rcu+0x93/0xc0 CPU: 0 PID: 4243 Comm: syz-executor.7 Not tainted 6.4.0-rc6-next-20230615 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:write_comp_data+0x3c/0x90 Code: 81 e6 00 01 00 00 65 48 8b 14 25 00 8b 03 00 a9 00 01 ff 00 74 0e 85 f6 74 59 8b 82 9c 14 00 00 85 c0 74 4f 8b 82 78 14 00 00 <83> f8 03 75 44 48 8b 82 80 14 00 00 8b 92 7c 14 00 00 48 8b 38 48 RSP: 0018:ffff88804205f320 EFLAGS: 00000246 RAX: 0000000000000002 RBX: 0000000000000001 RCX: ffffffff83c3569d RDX: ffff888044919b40 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 0000000008000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000008000000 R11: 0000000000000001 R12: 0000000000000001 R13: dffffc0000000000 R14: ffff888020121dc0 R15: 0000000000000001 FS: 00007f2f38ff2700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c830000 CR3: 000000001cb44000 CR4: 0000000000350ef0 Call Trace: __ip6_append_data.isra.0+0xc9d/0x4560 ip6_append_data+0x1d4/0x530 rawv6_sendmsg+0x156e/0x3dc0 inet_sendmsg+0x121/0x150 sock_sendmsg+0x19b/0x200 splice_to_socket+0x949/0xe10 direct_splice_actor+0x119/0x180 splice_direct_to_actor+0x349/0x9d0 do_splice_direct+0x1bb/0x290 do_sendfile+0xb6b/0x1370 __x64_sys_sendfile64+0x1d5/0x210 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x6e/0xd8 RIP: 0033:0x7f2f3ba9db19 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:00007f2f38ff2188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f2f3bbb1020 RCX: 00007f2f3ba9db19 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000008 RBP: 00007f2f3baf7f6d R08: 0000000000000000 R09: 0000000000000000 R10: 000000000001a000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc4862132f R14: 00007f2f38ff2300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0xf/0x20 Bluetooth: hci1: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout Bluetooth: hci2: command 0x0406 tx timeout ---------------- Code disassembly (best guess): 0: 81 e6 00 01 00 00 and $0x100,%esi 6: 65 48 8b 14 25 00 8b mov %gs:0x38b00,%rdx d: 03 00 f: a9 00 01 ff 00 test $0xff0100,%eax 14: 74 0e je 0x24 16: 85 f6 test %esi,%esi 18: 74 59 je 0x73 1a: 8b 82 9c 14 00 00 mov 0x149c(%rdx),%eax 20: 85 c0 test %eax,%eax 22: 74 4f je 0x73 24: 8b 82 78 14 00 00 mov 0x1478(%rdx),%eax * 2a: 83 f8 03 cmp $0x3,%eax <-- trapping instruction 2d: 75 44 jne 0x73 2f: 48 8b 82 80 14 00 00 mov 0x1480(%rdx),%rax 36: 8b 92 7c 14 00 00 mov 0x147c(%rdx),%edx 3c: 48 8b 38 mov (%rax),%rdi 3f: 48 rex.W