program: creat(&(0x7f0000000240)='./file0\x00', 0x148) 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$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f00000004c0), 0x10400, &(0x7f0000000700)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2]) r3 = socket$phonet(0x23, 0x2, 0x1) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f00000001c0)={'ip6gretap0\x00', 0x0}) r5 = socket$packet(0x11, 0x3, 0x300) setsockopt$sock_int(r5, 0x1, 0x2b, &(0x7f000000a800)=0x38, 0x4) sendto$packet(r5, 0x0, 0x0, 0x0, &(0x7f0000000000)={0x11, 0x0, r4, 0x1, 0x0, 0x6, @remote}, 0x14) 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) syz_mount_image$ext4(&(0x7f00000000c0)='ext4\x00', &(0x7f0000000580)='./file1\x00', 0x40, &(0x7f00000005c0), 0x1, 0x54e, &(0x7f00000010c0)="$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") utimensat(0xffffffffffffff9c, &(0x7f0000000080)='./file3\x00', &(0x7f0000000040)={{0x0, 0x3ffffffe}, {0x0, 0x3fffffff}}, 0x0) sendfile(r6, r7, 0x0, 0x7ffff000) creat(&(0x7f0000000240)='./file0\x00', 0x148) (async) pipe2$9p(&(0x7f0000001900), 0x0) (async) write$P9_RVERSION(r1, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) (async) dup(r1) (async) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f00000000c0)={0x14c}, 0x137) (async) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f00000004c0), 0x10400, &(0x7f0000000700)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2]) (async) socket$phonet(0x23, 0x2, 0x1) (async) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f00000001c0)={'ip6gretap0\x00'}) (async) socket$packet(0x11, 0x3, 0x300) (async) setsockopt$sock_int(r5, 0x1, 0x2b, &(0x7f000000a800)=0x38, 0x4) (async) sendto$packet(r5, 0x0, 0x0, 0x0, &(0x7f0000000000)={0x11, 0x0, r4, 0x1, 0x0, 0x6, @remote}, 0x14) (async) chmod(&(0x7f0000000340)='./file0\x00', 0x0) (async) open$dir(&(0x7f0000000180)='./file0\x00', 0x1, 0x0) (async) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='blkio.bfq.io_wait_time\x00', 0x275a, 0x0) (async) ftruncate(r7, 0x57) (async) syz_mount_image$ext4(&(0x7f00000000c0)='ext4\x00', &(0x7f0000000580)='./file1\x00', 0x40, &(0x7f00000005c0), 0x1, 0x54e, &(0x7f00000010c0)="$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") (async) utimensat(0xffffffffffffff9c, &(0x7f0000000080)='./file3\x00', &(0x7f0000000040)={{0x0, 0x3ffffffe}, {0x0, 0x3fffffff}}, 0x0) (async) sendfile(r6, r7, 0x0, 0x7ffff000) (async) [ 74.234530][ T5301] Bluetooth: hci0: command tx timeout [ 74.326154][ T5316] loop0: detected capacity change from 0 to 1024 [ 74.344693][ T5316] ======================================================= [ 74.344693][ T5316] WARNING: The mand mount option has been deprecated and [ 74.344693][ T5316] and is ignored by this kernel. Remove the mand [ 74.344693][ T5316] option from the mount to silence this warning. [ 74.344693][ T5316] ======================================================= [ 74.398659][ T5316] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 74.414916][ T5316] ext4 filesystem being mounted at /0/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 74.455689][ T5317] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] SMP KASAN NOPTI [ 74.460579][ T5317] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 74.464129][ T5317] CPU: 0 UID: 0 PID: 5317 Comm: syz.0.0 Not tainted 6.15.0-syzkaller-08297-ge0797d3b91de #0 PREEMPT(full) [ 74.468966][ T5317] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 74.473374][ T5317] RIP: 0010:iter_file_splice_write+0xa9b/0x1000 [ 74.476247][ T5317] Code: 00 74 08 4c 89 f7 e8 84 77 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 51 77 e0 ff 4c 8b [ 74.484609][ T5317] RSP: 0018:ffffc9000d5e7820 EFLAGS: 00010202 [ 74.487291][ T5317] RAX: 0000000000000001 RBX: 0000000000000008 RCX: ffff888000c64880 [ 74.490765][ T5317] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 7ffffffffffffff5 [ 74.494128][ T5317] RBP: ffffc9000d5e7a30 R08: ffff8880437580df R09: 1ffff110086eb01b [ 74.497467][ T5317] R10: dffffc0000000000 R11: ffffffff8201e280 R12: dffffc0000000000 [ 74.500779][ T5317] R13: 7ffffffffffffff5 R14: dffffc0000000000 R15: ffff888032aaf828 [ 74.504206][ T5317] FS: 00007fd988a676c0(0000) GS:ffff88808d264000(0000) knlGS:0000000000000000 [ 74.507916][ T5317] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.510658][ T5317] CR2: 00007fd97ba7f000 CR3: 000000003730e000 CR4: 0000000000352ef0 [ 74.514016][ T5317] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.517415][ T5317] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.520817][ T5317] Call Trace: [ 74.522325][ T5317] [ 74.523565][ T5317] ? __pfx_iter_file_splice_write+0x10/0x10 [ 74.526140][ T5317] ? rcu_read_lock_any_held+0xb3/0x120 [ 74.528523][ T5317] ? __pfx_iter_file_splice_write+0x10/0x10 [ 74.531022][ T5317] direct_splice_actor+0xfe/0x160 [ 74.533240][ T5317] splice_direct_to_actor+0x5a8/0xcc0 [ 74.535586][ T5317] ? __pfx_direct_splice_actor+0x10/0x10 [ 74.538049][ T5317] ? __pfx_splice_direct_to_actor+0x10/0x10 [ 74.540631][ T5317] ? __pfx_aa_file_perm+0x10/0x10 [ 74.542676][ T5317] do_splice_direct+0x181/0x270 [ 74.544694][ T5317] ? __pfx_do_splice_direct+0x10/0x10 [ 74.546895][ T5317] ? __pfx_direct_file_splice_eof+0x10/0x10 [ 74.549351][ T5317] ? rw_verify_area+0x258/0x650 [ 74.551348][ T5317] do_sendfile+0x4da/0x7e0 [ 74.553206][ T5317] ? __pfx_do_sendfile+0x10/0x10 [ 74.555422][ T5317] ? rcu_is_watching+0x15/0xb0 [ 74.557607][ T5317] ? __rseq_handle_notify_resume+0x37e/0x11f0 [ 74.560099][ T5317] __se_sys_sendfile64+0x13e/0x190 [ 74.562372][ T5317] ? __pfx___se_sys_sendfile64+0x10/0x10 [ 74.564722][ T5317] ? rcu_is_watching+0x15/0xb0 [ 74.566697][ T5317] ? do_syscall_64+0xbe/0x3b0 [ 74.568489][ T5317] do_syscall_64+0xfa/0x3b0 [ 74.570301][ T5317] ? lockdep_hardirqs_on+0x9c/0x150 [ 74.572360][ T5317] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.574778][ T5317] ? clear_bhb_loop+0x60/0xb0 [ 74.576672][ T5317] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.579220][ T5317] RIP: 0033:0x7fd987b8e969 [ 74.581219][ T5317] 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 [ 74.589420][ T5317] RSP: 002b:00007fd988a67038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 74.592991][ T5317] RAX: ffffffffffffffda RBX: 00007fd987db6080 RCX: 00007fd987b8e969 [ 74.596502][ T5317] RDX: 0000000000000000 RSI: 000000000000000a RDI: 0000000000000009 [ 74.599868][ T5317] RBP: 00007fd987c10ab1 R08: 0000000000000000 R09: 0000000000000000 [ 74.603295][ T5317] R10: 000000007ffff000 R11: 0000000000000246 R12: 0000000000000000 [ 74.606665][ T5317] R13: 0000000000000000 R14: 00007fd987db6080 R15: 00007ffc6fb01d18 [ 74.610077][ T5317] [ 74.611409][ T5317] Modules linked in: [ 74.613582][ T5317] ---[ end trace 0000000000000000 ]--- [ 74.626416][ T5317] RIP: 0010:iter_file_splice_write+0xa9b/0x1000 [ 74.629871][ T5317] Code: 00 74 08 4c 89 f7 e8 84 77 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 51 77 e0 ff 4c 8b [ 74.638630][ T5317] RSP: 0018:ffffc9000d5e7820 EFLAGS: 00010202 [ 74.641419][ T5317] RAX: 0000000000000001 RBX: 0000000000000008 RCX: ffff888000c64880 [ 74.644986][ T5317] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 7ffffffffffffff5 [ 74.649060][ T5317] RBP: ffffc9000d5e7a30 R08: ffff8880437580df R09: 1ffff110086eb01b [ 74.652536][ T5317] R10: dffffc0000000000 R11: ffffffff8201e280 R12: dffffc0000000000 [ 74.655942][ T5317] R13: 7ffffffffffffff5 R14: dffffc0000000000 R15: ffff888032aaf828 [ 74.660141][ T5317] FS: 00007fd988a676c0(0000) GS:ffff88808d264000(0000) knlGS:0000000000000000 [ 74.664629][ T5317] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.668183][ T5317] CR2: 00007fd97ba7f000 CR3: 000000003730e000 CR4: 0000000000352ef0 [ 74.671887][ T5317] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.675283][ T5317] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.679093][ T5317] Kernel panic - not syncing: Fatal exception [ 74.682151][ T5317] Kernel Offset: disabled [ 74.684075][ T5317] Rebooting in 86400 seconds..