program: sendmsg$inet(0xffffffffffffffff, 0xfffffffffffffffe, 0x0) r0 = creat(&(0x7f0000000240)='./file0\x00', 0x148) pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r2, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) ioctl$VIDIOC_SUBDEV_ENUM_MBUS_CODE(0xffffffffffffffff, 0xc0305602, &(0x7f0000000000)={0x0, 0x7, 0x2023, 0x1}) r3 = io_uring_setup(0x96b, &(0x7f00000003c0)={0x0, 0xf0f1, 0x1, 0x2}) prctl$PR_SET_SECCOMP(0x16, 0x1, 0x0) r4 = syz_init_net_socket$netrom(0x6, 0x5, 0x0) getsockopt$netrom_NETROM_T2(r4, 0x103, 0x7, 0x0, &(0x7f0000000580)) io_uring_register$IORING_REGISTER_EVENTFD_ASYNC(r3, 0x18, &(0x7f0000000000), 0x1) r5 = dup(r2) write$FUSE_BMAP(r5, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r5, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f00000004c0), 0x10400, &(0x7f0000000700)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r1, @ANYBLOB=',wfdno=', @ANYRESHEX=r5]) chmod(&(0x7f0000000340)='./file0\x00', 0x0) r6 = open$dir(&(0x7f0000000180)='./file0\x00', 0x1, 0x0) r7 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='blkio.bfq.io_wait_time\x00', 0x275a, 0x0) ftruncate(r7, 0x57) r8 = socket$vsock_stream(0x28, 0x1, 0x0) syz_usb_connect(0x0, 0x24, 0x0, 0x0) r9 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0) ioctl$VHOST_VSOCK_SET_GUEST_CID(r9, 0x4008af60, &(0x7f0000000040)={@my=0x1}) connect$vsock_stream(r8, &(0x7f0000000300)={0x28, 0x0, 0x0, @my=0x1}, 0x10) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r8, 0x28, 0x1, &(0x7f0000000100)=0xfffffffffffffffe, 0x112) r10 = syz_open_dev$dri(&(0x7f0000000140), 0x5, 0x20000) copy_file_range(r0, &(0x7f0000000040)=0xfffffffffffffff8, r10, 0x0, 0x80000000, 0x0) sendfile(r6, r7, 0x0, 0x7ffff000) creat(&(0x7f00000002c0)='./file0\x00', 0x0) r11 = open$dir(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) mmap$xdp(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x0, 0x12, r11, 0x0) [ 68.393331][ T26] audit: type=1326 audit(1748040893.131:2): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=5312 comm="syz.0.0" exe="/syz-executor" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7fd3ee98e969 code=0x0 [ 68.447748][ T5299] Bluetooth: hci0: command tx timeout [ 68.527591][ T5315] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] SMP KASAN NOPTI [ 68.532643][ T5315] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 68.536348][ T5315] CPU: 0 UID: 0 PID: 5315 Comm: syz.0.0 Not tainted 6.15.0-rc7-syzkaller-00133-g7586ac7c340c #0 PREEMPT(full) [ 68.541218][ T5315] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 68.545597][ T5315] RIP: 0010:iter_file_splice_write+0xa9b/0x1000 [ 68.548298][ T5315] Code: 00 74 08 4c 89 f7 e8 64 ac e0 ff 49 8b 1e 49 c7 06 00 00 00 00 48 83 c3 08 48 89 d8 48 c1 e8 03 49 be 00 00 00 00 00 fc ff df <42> 80 3c 30 00 44 8b 64 24 04 74 08 48 89 df e8 31 ac e0 ff 4c 8b [ 68.556177][ T5315] RSP: 0018:ffffc9000d3af840 EFLAGS: 00010202 [ 68.558640][ T5315] RAX: 0000000000000001 RBX: 0000000000000008 RCX: ffff88801f5f8000 [ 68.561729][ T5315] RDX: 0000000000000002 RSI: 0000000000000000 RDI: 7fffffffffffffa8 [ 68.564724][ T5315] RBP: ffffc9000d3afa50 R08: ffff8880445b00df R09: 1ffff110088b601b [ 68.567775][ T5315] R10: dffffc0000000000 R11: ffffffff82013ec0 R12: dffffc0000000000 [ 68.570876][ T5315] R13: 7fffffffffffffa8 R14: dffffc0000000000 R15: ffff88804348d028 [ 68.574069][ T5315] FS: 00007fd3ef8336c0(0000) GS:ffff88808d6c2000(0000) knlGS:0000000000000000 [ 68.577864][ T5315] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.580762][ T5315] CR2: 00007fd3ee972720 CR3: 0000000041c11000 CR4: 0000000000352ef0 [ 68.584147][ T5315] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.587544][ T5315] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.590867][ T5315] Call Trace: [ 68.592339][ T5315] [ 68.593545][ T5315] ? __pfx_iter_file_splice_write+0x10/0x10 [ 68.595951][ T5315] ? rcu_read_lock_any_held+0xb3/0x120 [ 68.598223][ T5315] ? __pfx_iter_file_splice_write+0x10/0x10 [ 68.600670][ T5315] direct_splice_actor+0xfe/0x160 [ 68.602779][ T5315] splice_direct_to_actor+0x5a8/0xcc0 [ 68.605012][ T5315] ? __pfx_direct_splice_actor+0x10/0x10 [ 68.607285][ T5315] ? __pfx_splice_direct_to_actor+0x10/0x10 [ 68.609664][ T5315] ? __pfx_aa_file_perm+0x10/0x10 [ 68.611718][ T5315] do_splice_direct+0x181/0x270 [ 68.613688][ T5315] ? __pfx_do_splice_direct+0x10/0x10 [ 68.615858][ T5315] ? __pfx_direct_file_splice_eof+0x10/0x10 [ 68.618119][ T5315] ? rw_verify_area+0x258/0x650 [ 68.620242][ T5315] do_sendfile+0x4da/0x7d0 [ 68.622043][ T5315] ? __pfx_do_sendfile+0x10/0x10 [ 68.623948][ T5315] ? rcu_is_watching+0x15/0xb0 [ 68.625794][ T5315] ? __rseq_handle_notify_resume+0x37e/0x11f0 [ 68.628222][ T5315] __se_sys_sendfile64+0x13e/0x190 [ 68.630357][ T5315] ? rcu_is_watching+0x15/0xb0 [ 68.632334][ T5315] ? __pfx___se_sys_sendfile64+0x10/0x10 [ 68.634628][ T5315] ? do_syscall_64+0xba/0x210 [ 68.636768][ T5315] do_syscall_64+0xf6/0x210 [ 68.638691][ T5315] ? clear_bhb_loop+0x60/0xb0 [ 68.640814][ T5315] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.643289][ T5315] RIP: 0033:0x7fd3ee98e969 [ 68.645168][ T5315] 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 a8 ff ff ff f7 d8 64 89 01 48 [ 68.653365][ T5315] RSP: 002b:00007fd3ef833038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 68.657118][ T5315] RAX: ffffffffffffffda RBX: 00007fd3eebb6160 RCX: 00007fd3ee98e969 [ 68.660643][ T5315] RDX: 0000000000000000 RSI: 000000000000000a RDI: 0000000000000009 [ 68.664009][ T5315] RBP: 00007fd3eea10ab1 R08: 0000000000000000 R09: 0000000000000000 [ 68.667324][ T5315] R10: 000000007ffff000 R11: 0000000000000246 R12: 0000000000000000 [ 68.670743][ T5315] R13: 0000000000000000 R14: 00007fd3eebb6160 R15: 00007fff65abc1e8 [ 68.674143][ T5315] [ 68.675501][ T5315] Modules linked in: [ 68.677533][ T5315] ---[ end trace 0000000000000000 ]--- [ 68.686599][ T5315] RIP: 0010:iter_file_splice_write+0xa9b/0x1000 [ 68.689455][ T5315] Code: 00 74 08 4c 89 f7 e8 64 ac e0 ff 49 8b 1e 49 c7 06 00 00 00 00 48 83 c3 08 48 89 d8 48 c1 e8 03 49 be 00 00 00 00 00 fc ff df <42> 80 3c 30 00 44 8b 64 24 04 74 08 48 89 df e8 31 ac e0 ff 4c 8b [ 68.701967][ T5315] RSP: 0018:ffffc9000d3af840 EFLAGS: 00010202 [ 68.704717][ T5315] RAX: 0000000000000001 RBX: 0000000000000008 RCX: ffff88801f5f8000 [ 68.708905][ T5315] RDX: 0000000000000002 RSI: 0000000000000000 RDI: 7fffffffffffffa8 [ 68.712475][ T5315] RBP: ffffc9000d3afa50 R08: ffff8880445b00df R09: 1ffff110088b601b [ 68.715959][ T5315] R10: dffffc0000000000 R11: ffffffff82013ec0 R12: dffffc0000000000 [ 68.719922][ T5315] R13: 7fffffffffffffa8 R14: dffffc0000000000 R15: ffff88804348d028 [ 68.723238][ T5315] FS: 00007fd3ef8336c0(0000) GS:ffff88808d6c2000(0000) knlGS:0000000000000000 [ 68.727592][ T5315] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.730602][ T5315] CR2: 00007fd3ef811fc8 CR3: 0000000041c11000 CR4: 0000000000352ef0 [ 68.734207][ T5315] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.738305][ T5315] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.741849][ T5315] Kernel panic - not syncing: Fatal exception [ 68.744809][ T5315] Kernel Offset: disabled [ 68.746651][ T5315] Rebooting in 86400 seconds..