program: r0 = creat(&(0x7f0000000240)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r2, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) r3 = dup(r2) write$FUSE_BMAP(r3, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r3, &(0x7f00000000c0)={0x14c}, 0x137) getsockopt$TIPC_IMPORTANCE(r0, 0x10f, 0x7f, &(0x7f0000000040), &(0x7f0000000080)=0x4) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f00000004c0), 0x10400, &(0x7f0000000700)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r1, @ANYBLOB=',wfdno=', @ANYRESHEX=r3]) r4 = socket$inet(0x2, 0x80002, 0x1) setsockopt$sock_int(r4, 0x1, 0xf, &(0x7f0000000040)=0x2, 0x4) bind$inet(r4, &(0x7f0000000200)={0x2, 0x0, @empty}, 0x10) chmod(&(0x7f0000000140)='./file0\x00', 0x0) r5 = open$dir(&(0x7f0000000140)='./file0\x00', 0x1, 0x181) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='blkio.bfq.dequeue\x00', 0x275a, 0x0) ftruncate(r6, 0x80) sendfile(r5, r6, 0x0, 0x7ffff000) [ 76.732652][ T1310] ieee802154 phy0 wpan0: encryption failed: -22 [ 76.735253][ T1310] ieee802154 phy1 wpan1: encryption failed: -22 [ 76.738465][ T5301] Bluetooth: hci0: command tx timeout [ 76.845620][ T5316] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 76.850036][ T5316] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 76.852945][ T5316] CPU: 0 UID: 0 PID: 5316 Comm: syz.0.0 Not tainted 6.13.0-syzkaller-08291-g805ba04cb7cc #0 [ 76.856533][ T5316] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 76.860437][ T5316] RIP: 0010:iter_file_splice_write+0xe07/0x1510 [ 76.862845][ T5316] Code: 00 00 fc ff df 41 80 3c 06 00 49 89 c6 74 08 4c 89 e7 e8 0c 1e df ff 49 c7 04 24 00 00 00 00 48 83 c3 08 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 df e8 fa 1c df ff 48 8b 44 24 20 48 8b [ 76.870248][ T5316] RSP: 0018:ffffc9000d48f780 EFLAGS: 00010202 [ 76.872585][ T5316] RAX: 0000000000000001 RBX: 0000000000000008 RCX: 0000000000000005 [ 76.875606][ T5316] RDX: ffffc9000e512000 RSI: 0000000000000000 RDI: 7fffffffffffff7f [ 76.878546][ T5316] RBP: ffffc9000d48fa30 R08: ffffffff8246e424 R09: 1ffff110087ee01b [ 76.881676][ T5316] R10: dffffc0000000000 R11: ffffffff82036da0 R12: ffff88804126b038 [ 76.884627][ T5316] R13: 0000000000000000 R14: dffffc0000000000 R15: 7fffffffffffff7f [ 76.887626][ T5316] FS: 00007fdb1ed106c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 [ 76.890781][ T5316] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.893099][ T5316] CR2: 00005610e9cadf20 CR3: 0000000033e1c000 CR4: 0000000000352ef0 [ 76.896011][ T5316] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.898816][ T5316] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.901639][ T5316] Call Trace: [ 76.902862][ T5316] [ 76.903958][ T5316] ? __die_body+0x5f/0xb0 [ 76.905679][ T5316] ? die_addr+0xb0/0xe0 [ 76.907327][ T5316] ? exc_general_protection+0x3dd/0x5d0 [ 76.909404][ T5316] ? asm_exc_general_protection+0x26/0x30 [ 76.911359][ T5316] ? __pfx_zero_pipe_buf_release+0x10/0x10 [ 76.913492][ T5316] ? iter_file_splice_write+0xd84/0x1510 [ 76.915669][ T5316] ? iter_file_splice_write+0xe07/0x1510 [ 76.917741][ T5316] ? __pfx_iter_file_splice_write+0x10/0x10 [ 76.919934][ T5316] ? rcu_read_lock_any_held+0xb7/0x160 [ 76.921924][ T5316] ? __pfx_iter_file_splice_write+0x10/0x10 [ 76.924156][ T5316] direct_splice_actor+0x11b/0x220 [ 76.925991][ T5316] splice_direct_to_actor+0x586/0xc80 [ 76.927957][ T5316] ? __pfx_direct_splice_actor+0x10/0x10 [ 76.930046][ T5316] ? __pfx_splice_direct_to_actor+0x10/0x10 [ 76.932317][ T5316] ? __fget_files+0x2a/0x410 [ 76.934075][ T5316] ? __pfx_lock_release+0x10/0x10 [ 76.935896][ T5316] do_splice_direct+0x289/0x3e0 [ 76.937763][ T5316] ? __pfx_do_splice_direct+0x10/0x10 [ 76.939683][ T5316] ? __pfx_direct_file_splice_eof+0x10/0x10 [ 76.941890][ T5316] ? rw_verify_area+0x243/0x630 [ 76.943722][ T5316] do_sendfile+0x564/0x8a0 [ 76.945390][ T5316] ? __pfx_do_sendfile+0x10/0x10 [ 76.947305][ T5316] ? __rseq_handle_notify_resume+0x34d/0x14e0 [ 76.949610][ T5316] __se_sys_sendfile64+0x17c/0x1e0 [ 76.951531][ T5316] ? __pfx___se_sys_sendfile64+0x10/0x10 [ 76.953625][ T5316] ? do_syscall_64+0x100/0x230 [ 76.955429][ T5316] ? do_syscall_64+0xb6/0x230 [ 76.957296][ T5316] do_syscall_64+0xf3/0x230 [ 76.958992][ T5316] ? clear_bhb_loop+0x35/0x90 [ 76.960726][ T5316] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.962874][ T5316] RIP: 0033:0x7fdb1df8cd29 [ 76.964587][ T5316] 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 [ 76.971872][ T5316] RSP: 002b:00007fdb1ed10038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 76.974984][ T5316] RAX: ffffffffffffffda RBX: 00007fdb1e1a5fa0 RCX: 00007fdb1df8cd29 [ 76.977944][ T5316] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 0000000000000008 [ 76.980785][ T5316] RBP: 00007fdb1e00e2a0 R08: 0000000000000000 R09: 0000000000000000 [ 76.983830][ T5316] R10: 000000007ffff000 R11: 0000000000000246 R12: 0000000000000000 [ 76.986927][ T5316] R13: 0000000000000000 R14: 00007fdb1e1a5fa0 R15: 00007ffc28e7c5b8 [ 76.990117][ T5316] [ 76.991347][ T5316] Modules linked in: [ 76.993440][ T5316] ---[ end trace 0000000000000000 ]--- [ 77.001288][ T5316] RIP: 0010:iter_file_splice_write+0xe07/0x1510 [ 77.003610][ T5316] Code: 00 00 fc ff df 41 80 3c 06 00 49 89 c6 74 08 4c 89 e7 e8 0c 1e df ff 49 c7 04 24 00 00 00 00 48 83 c3 08 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 df e8 fa 1c df ff 48 8b 44 24 20 48 8b [ 77.010609][ T5316] RSP: 0018:ffffc9000d48f780 EFLAGS: 00010202 [ 77.013487][ T5316] RAX: 0000000000000001 RBX: 0000000000000008 RCX: 0000000000000005 [ 77.016416][ T5316] RDX: ffffc9000e512000 RSI: 0000000000000000 RDI: 7fffffffffffff7f [ 77.019571][ T5316] RBP: ffffc9000d48fa30 R08: ffffffff8246e424 R09: 1ffff110087ee01b [ 77.023058][ T5316] R10: dffffc0000000000 R11: ffffffff82036da0 R12: ffff88804126b038 [ 77.026885][ T5316] R13: 0000000000000000 R14: dffffc0000000000 R15: 7fffffffffffff7f [ 77.030434][ T5316] FS: 00007fdb1ed106c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 [ 77.034626][ T5316] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.037163][ T5316] CR2: 00007fdb1e17d538 CR3: 0000000033e1c000 CR4: 0000000000352ef0 [ 77.040230][ T5316] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.043867][ T5316] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.047057][ T5316] Kernel panic - not syncing: Fatal exception [ 77.049538][ T5316] Kernel Offset: disabled [ 77.051158][ T5316] Rebooting in 86400 seconds..