program: creat(&(0x7f0000000240)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f00000004c0), 0x10400, &(0x7f0000000700)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2]) chmod(&(0x7f0000000140)='./file0\x00', 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) close(r3) r4 = socket$inet6_mptcp(0xa, 0x1, 0x106) setsockopt$sock_timeval(r3, 0x1, 0x15, &(0x7f0000000040)={0x0, 0xea60}, 0x10) setsockopt$inet6_tcp_int(r3, 0x6, 0x1e, &(0x7f0000000180)=0x400000001, 0xc2) setsockopt$inet6_tcp_int(r3, 0x6, 0x2000000000000022, &(0x7f0000000140)=0x1, 0x4) connect$inet6(r3, &(0x7f0000000240)={0xa, 0x4e23, 0x0, @remote, 0x3}, 0x1c) sendto$inet6(r4, &(0x7f0000000280)="14", 0x1, 0x44810, 0x0, 0x0) r5 = open$dir(&(0x7f0000000140)='./file0\x00', 0x1, 0x181) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='blkio.bfq.io_wait_time\x00', 0x275a, 0x0) ftruncate(r6, 0x80) sendfile(r5, r6, 0x0, 0x7ffff000) [ 71.660860][ T5307] Bluetooth: hci0: command tx timeout [ 71.847003][ T5324] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 71.851817][ T5324] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 71.854867][ T5324] CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted 6.14.0-rc1-syzkaller #0 [ 71.858032][ T5324] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 71.862277][ T5324] RIP: 0010:iter_file_splice_write+0xe07/0x1510 [ 71.864786][ T5324] Code: 00 00 fc ff df 41 80 3c 06 00 49 89 c6 74 08 4c 89 e7 e8 dc 15 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 ca 14 df ff 48 8b 44 24 20 48 8b [ 71.871771][ T5324] RSP: 0018:ffffc9000d24f780 EFLAGS: 00010202 [ 71.874689][ T5324] RAX: 0000000000000001 RBX: 0000000000000008 RCX: 0000000000000005 [ 71.877701][ T5324] RDX: ffffc9000ef0b000 RSI: 0000000000000000 RDI: 7fffffffffffff7f [ 71.880738][ T5324] RBP: ffffc9000d24fa30 R08: ffffffff8246de74 R09: 1ffff1100893301b [ 71.883655][ T5324] R10: dffffc0000000000 R11: ffffffff82035dc0 R12: ffff8880437a4838 [ 71.886669][ T5324] R13: 0000000000000000 R14: dffffc0000000000 R15: 7fffffffffffff7f [ 71.889582][ T5324] FS: 00007f5f2be726c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 [ 71.892719][ T5324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.894952][ T5324] CR2: 00007f5f2be71fe0 CR3: 000000004412c000 CR4: 0000000000352ef0 [ 71.897510][ T5324] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.900180][ T5324] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.902860][ T5324] Call Trace: [ 71.904015][ T5324] [ 71.905102][ T5324] ? __die_body+0x5f/0xb0 [ 71.906737][ T5324] ? die_addr+0xb0/0xe0 [ 71.908298][ T5324] ? exc_general_protection+0x3dd/0x5d0 [ 71.910365][ T5324] ? asm_exc_general_protection+0x26/0x30 [ 71.912417][ T5324] ? __pfx_zero_pipe_buf_release+0x10/0x10 [ 71.914493][ T5324] ? iter_file_splice_write+0xd84/0x1510 [ 71.916205][ T5324] ? iter_file_splice_write+0xe07/0x1510 [ 71.918484][ T5324] ? __pfx_iter_file_splice_write+0x10/0x10 [ 71.920567][ T5324] ? rcu_read_lock_any_held+0xb7/0x160 [ 71.922616][ T5324] ? __pfx_iter_file_splice_write+0x10/0x10 [ 71.924915][ T5324] direct_splice_actor+0x11b/0x220 [ 71.926817][ T5324] splice_direct_to_actor+0x586/0xc80 [ 71.928895][ T5324] ? __pfx_direct_splice_actor+0x10/0x10 [ 71.930881][ T5324] ? __pfx_splice_direct_to_actor+0x10/0x10 [ 71.932888][ T5324] ? __fget_files+0x2a/0x410 [ 71.934579][ T5324] ? __pfx_lock_release+0x10/0x10 [ 71.936511][ T5324] do_splice_direct+0x289/0x3e0 [ 71.938400][ T5324] ? __pfx_do_splice_direct+0x10/0x10 [ 71.940291][ T5324] ? __pfx_direct_file_splice_eof+0x10/0x10 [ 71.942515][ T5324] ? rw_verify_area+0x243/0x630 [ 71.944296][ T5324] do_sendfile+0x564/0x8a0 [ 71.945902][ T5324] ? __pfx_do_sendfile+0x10/0x10 [ 71.947801][ T5324] ? __rseq_handle_notify_resume+0x34d/0x14e0 [ 71.950059][ T5324] __se_sys_sendfile64+0x17c/0x1e0 [ 71.951926][ T5324] ? __pfx___se_sys_sendfile64+0x10/0x10 [ 71.954239][ T5324] ? do_syscall_64+0x100/0x230 [ 71.956150][ T5324] ? do_syscall_64+0xb6/0x230 [ 71.958088][ T5324] do_syscall_64+0xf3/0x230 [ 71.959760][ T5324] ? clear_bhb_loop+0x35/0x90 [ 71.961550][ T5324] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 71.963749][ T5324] RIP: 0033:0x7f5f2af8cda9 [ 71.965508][ T5324] 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 [ 71.972144][ T5324] RSP: 002b:00007f5f2be72038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 71.975050][ T5324] RAX: ffffffffffffffda RBX: 00007f5f2b1a6080 RCX: 00007f5f2af8cda9 [ 71.978030][ T5324] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 0000000000000008 [ 71.980839][ T5324] RBP: 00007f5f2b00e2a0 R08: 0000000000000000 R09: 0000000000000000 [ 71.983680][ T5324] R10: 000000007ffff000 R11: 0000000000000246 R12: 0000000000000000 [ 71.986536][ T5324] R13: 0000000000000000 R14: 00007f5f2b1a6080 R15: 00007fff25ec3638 [ 71.989417][ T5324] [ 71.990604][ T5324] Modules linked in: [ 71.992465][ T5324] ---[ end trace 0000000000000000 ]--- [ 71.999775][ T5324] RIP: 0010:iter_file_splice_write+0xe07/0x1510 [ 72.002386][ T5324] Code: 00 00 fc ff df 41 80 3c 06 00 49 89 c6 74 08 4c 89 e7 e8 dc 15 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 ca 14 df ff 48 8b 44 24 20 48 8b [ 72.009997][ T5324] RSP: 0018:ffffc9000d24f780 EFLAGS: 00010202 [ 72.013468][ T5324] RAX: 0000000000000001 RBX: 0000000000000008 RCX: 0000000000000005 [ 72.016837][ T5324] RDX: ffffc9000ef0b000 RSI: 0000000000000000 RDI: 7fffffffffffff7f [ 72.019974][ T5324] RBP: ffffc9000d24fa30 R08: ffffffff8246de74 R09: 1ffff1100893301b [ 72.023297][ T5324] R10: dffffc0000000000 R11: ffffffff82035dc0 R12: ffff8880437a4838 [ 72.026240][ T5324] R13: 0000000000000000 R14: dffffc0000000000 R15: 7fffffffffffff7f [ 72.029205][ T5324] FS: 00007f5f2be726c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 [ 72.032964][ T5324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.035545][ T5324] CR2: 00007f5f2b17d538 CR3: 000000004412c000 CR4: 0000000000352ef0 [ 72.038517][ T5324] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.042062][ T5324] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.045021][ T5324] Kernel panic - not syncing: Fatal exception [ 72.047612][ T5324] Kernel Offset: disabled [ 72.049190][ T5324] Rebooting in 86400 seconds..