program: r0 = creat(&(0x7f0000000240)='./file0\x00', 0x148) pipe2$9p(&(0x7f0000001900)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r2, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) epoll_pwait(r0, &(0x7f0000000000)=[{}, {}], 0x2, 0x8, &(0x7f0000000080)={[0x124]}, 0x8) r3 = dup(r2) r4 = socket$inet_udp(0x2, 0x2, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$ifreq_SIOCGIFINDEX_vcan(r5, 0x8933, &(0x7f0000000140)={'vxcan1\x00', 0x0}) sendmmsg$inet(r4, &(0x7f0000003b40)=[{{&(0x7f0000000040)={0x2, 0x4e23, @multicast1}, 0x10, 0x0, 0x0, &(0x7f0000001340)=[@ip_pktinfo={{0x1c, 0x0, 0x8, {r6, @empty, @private}}}], 0x20}}, {{0x0, 0x0, &(0x7f0000000580)=[{&(0x7f00000001c0)="a7ef2d5c14a36b09279abf01149d37f0b7f26009aaca13ee3ba68fcfb9ee858cad6da16026df06e002f95d6e217d9469383c8ddd30b2ac3ee0df0d1ae824448fcf5306d4b267f98367fe3f87108431beb8e8652229dff8dd95bdc9e07318c1d1c3dc5d7a2a827ba7d33c3bd4cf4bec6c162be0c0677c30ea989937b7dd3d074a16b26eebee227fb3060fc7dba78892dc3e5d3aa35b8d6c24659cfd0de961ecb00859d6abc12530372ae1c7508bfef4d895bdf18b25d053ebb60e2a2c9f5f12b6d3b3b4163988f92a", 0xc8}, {&(0x7f0000000380)="e70dc74a6513b6292047d2bd3fbfa75e7a2fb46e220e75702b6d39a1ee4fa22c745a4a78a21db2", 0x27}, {&(0x7f00000003c0)="118d83f67768b1bd64802dd9be9393ed354ea6752ef9265ec438f45f6e55724bd8d0a0760033", 0x26}, {&(0x7f0000000480)="c9e8e1cfd60c5daf5872595c7e65069cd1411d53bafb494b45846622d1219bb991103956577d6ec742624e53f42a5e25b6608ce3b2c16bb13648d1c44b19db053ff96244a9f68245c764b3f7556ec47f65c3736febbe647d1abe614df345d9064801d2777b91bfb0501d2752dd66327e316c658965f23e47886230312206bb3beee869813892f94c5f07ed2df1468b9fbddf521fda58f9aa3e6e633b785ba890dd6fa88e7bfa97d02d500b2fab83966ef7b046a1e1e272f0501155e7f691869b7147be979e6ac54b648c7eda3ade6ed5abc8a14a3236137a77cde5c0ff2dfe88e2444d95", 0xe4}], 0x4}}, {{0x0, 0x0, &(0x7f0000000980)=[{&(0x7f0000000600)="61c12d65cf0c", 0x6}, {&(0x7f0000000740)="fc20669696ad130b6a7e0be545cb625f06d1ac26411bf92dac42f0a3d0971a922791dfd7a1b23862844df17a2aa1fe8930d0e843dbd95c2cf186", 0x3a}], 0x2}}, {{0x0, 0x0, &(0x7f0000000cc0)=[{&(0x7f0000000ac0)="fde36aa7f8cc526b04c10cfd7e5a4f58fda6f0e5405f6c04085a3c96d21f8b3c56ffe6154a28e43650597c5823fa342cf4603b6ddadf6a21edae025506ab822bf44397ee5d40db353f79bc08a982347e86104f08c034fcddd42b790ab8c9fc369bd8b6ee256a033c6a4572378912921a46d23a48973af29cb01ae8e3c71365dee8eadc677f8120eeb173a328ff5e8cc2766bdf3d9781ed556d5a", 0x9a}, {&(0x7f0000000880)="4a3ea356c86e3fffe2a1fec8103c383ab4f17d0b75640b3a104afc313f16745ccca0a5409128cf54fbce360ec0c70f6ab6128b76b0bd9700d098de72173a30e7ae8fd122d32a630d600535e464427d971ec4daed2133d795cbf410f452aabc31b2f816403f0c19b4f212f2f8bc26a58d25cad095564143d41fb36164b70e47a488e8c7667f6055529aaa44de937e7c273e521180429d0ab76b81e8aaf0c10ad1d696df3740ab3dc09b70ebe606944e5673a11fda2b178f90c31bdaf5434d1ab43207573a6a3796d1a855869e8af8330bbaf599f6fa271bf181523568bc3512681d89a54fc75a9a4a338e9a966f042a540a0202f7dc", 0xf5}, {&(0x7f0000000c40)="146e99f8ae0bf614575bf1d5ae92b80de3aba6a233c9f36896c5eaac3a228abd057347556c6c4808d0c467eeb99a6fa06a543e1f443de57b29d1955a9b43114c1cf77a0ee904536bae38ac96a03cae76f39909c03ca6ff52ecc61e77141e0d1496531f61865092077c", 0x69}], 0x3}}, {{0x0, 0x0, &(0x7f0000000d80)=[{&(0x7f0000000e40)="3cdac98380", 0x5}], 0x1}}], 0x5, 0x8000) write$FUSE_BMAP(r3, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r3, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f00000004c0), 0x10400, &(0x7f0000000700)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r1, @ANYBLOB=',wfdno=', @ANYRESHEX=r3]) chmod(&(0x7f0000000340)='./file0\x00', 0x0) r7 = open$dir(&(0x7f0000000180)='./file0\x00', 0x1, 0x0) r8 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='blkio.bfq.io_wait_time\x00', 0x275a, 0x0) ftruncate(r8, 0x57) sendfile(r7, r8, 0x0, 0x7ffff000) creat(&(0x7f0000000240)='./file0\x00', 0x148) (async) pipe2$9p(&(0x7f0000001900), 0x0) (async) write$P9_RVERSION(r2, &(0x7f0000000500)=ANY=[@ANYBLOB="1500000065ffff048000000800395032303030"], 0x15) (async) epoll_pwait(r0, &(0x7f0000000000)=[{}, {}], 0x2, 0x8, &(0x7f0000000080)={[0x124]}, 0x8) (async) dup(r2) (async) socket$inet_udp(0x2, 0x2, 0x0) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$ifreq_SIOCGIFINDEX_vcan(r5, 0x8933, &(0x7f0000000140)={'vxcan1\x00'}) (async) sendmmsg$inet(r4, &(0x7f0000003b40)=[{{&(0x7f0000000040)={0x2, 0x4e23, @multicast1}, 0x10, 0x0, 0x0, &(0x7f0000001340)=[@ip_pktinfo={{0x1c, 0x0, 0x8, {r6, @empty, @private}}}], 0x20}}, {{0x0, 0x0, &(0x7f0000000580)=[{&(0x7f00000001c0)="a7ef2d5c14a36b09279abf01149d37f0b7f26009aaca13ee3ba68fcfb9ee858cad6da16026df06e002f95d6e217d9469383c8ddd30b2ac3ee0df0d1ae824448fcf5306d4b267f98367fe3f87108431beb8e8652229dff8dd95bdc9e07318c1d1c3dc5d7a2a827ba7d33c3bd4cf4bec6c162be0c0677c30ea989937b7dd3d074a16b26eebee227fb3060fc7dba78892dc3e5d3aa35b8d6c24659cfd0de961ecb00859d6abc12530372ae1c7508bfef4d895bdf18b25d053ebb60e2a2c9f5f12b6d3b3b4163988f92a", 0xc8}, {&(0x7f0000000380)="e70dc74a6513b6292047d2bd3fbfa75e7a2fb46e220e75702b6d39a1ee4fa22c745a4a78a21db2", 0x27}, {&(0x7f00000003c0)="118d83f67768b1bd64802dd9be9393ed354ea6752ef9265ec438f45f6e55724bd8d0a0760033", 0x26}, {&(0x7f0000000480)="c9e8e1cfd60c5daf5872595c7e65069cd1411d53bafb494b45846622d1219bb991103956577d6ec742624e53f42a5e25b6608ce3b2c16bb13648d1c44b19db053ff96244a9f68245c764b3f7556ec47f65c3736febbe647d1abe614df345d9064801d2777b91bfb0501d2752dd66327e316c658965f23e47886230312206bb3beee869813892f94c5f07ed2df1468b9fbddf521fda58f9aa3e6e633b785ba890dd6fa88e7bfa97d02d500b2fab83966ef7b046a1e1e272f0501155e7f691869b7147be979e6ac54b648c7eda3ade6ed5abc8a14a3236137a77cde5c0ff2dfe88e2444d95", 0xe4}], 0x4}}, {{0x0, 0x0, &(0x7f0000000980)=[{&(0x7f0000000600)="61c12d65cf0c", 0x6}, {&(0x7f0000000740)="fc20669696ad130b6a7e0be545cb625f06d1ac26411bf92dac42f0a3d0971a922791dfd7a1b23862844df17a2aa1fe8930d0e843dbd95c2cf186", 0x3a}], 0x2}}, {{0x0, 0x0, &(0x7f0000000cc0)=[{&(0x7f0000000ac0)="fde36aa7f8cc526b04c10cfd7e5a4f58fda6f0e5405f6c04085a3c96d21f8b3c56ffe6154a28e43650597c5823fa342cf4603b6ddadf6a21edae025506ab822bf44397ee5d40db353f79bc08a982347e86104f08c034fcddd42b790ab8c9fc369bd8b6ee256a033c6a4572378912921a46d23a48973af29cb01ae8e3c71365dee8eadc677f8120eeb173a328ff5e8cc2766bdf3d9781ed556d5a", 0x9a}, {&(0x7f0000000880)="4a3ea356c86e3fffe2a1fec8103c383ab4f17d0b75640b3a104afc313f16745ccca0a5409128cf54fbce360ec0c70f6ab6128b76b0bd9700d098de72173a30e7ae8fd122d32a630d600535e464427d971ec4daed2133d795cbf410f452aabc31b2f816403f0c19b4f212f2f8bc26a58d25cad095564143d41fb36164b70e47a488e8c7667f6055529aaa44de937e7c273e521180429d0ab76b81e8aaf0c10ad1d696df3740ab3dc09b70ebe606944e5673a11fda2b178f90c31bdaf5434d1ab43207573a6a3796d1a855869e8af8330bbaf599f6fa271bf181523568bc3512681d89a54fc75a9a4a338e9a966f042a540a0202f7dc", 0xf5}, {&(0x7f0000000c40)="146e99f8ae0bf614575bf1d5ae92b80de3aba6a233c9f36896c5eaac3a228abd057347556c6c4808d0c467eeb99a6fa06a543e1f443de57b29d1955a9b43114c1cf77a0ee904536bae38ac96a03cae76f39909c03ca6ff52ecc61e77141e0d1496531f61865092077c", 0x69}], 0x3}}, {{0x0, 0x0, &(0x7f0000000d80)=[{&(0x7f0000000e40)="3cdac98380", 0x5}], 0x1}}], 0x5, 0x8000) (async) write$FUSE_BMAP(r3, &(0x7f0000000100)={0x18}, 0x18) (async) write$FUSE_NOTIFY_RETRIEVE(r3, &(0x7f00000000c0)={0x14c}, 0x137) (async) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f00000004c0), 0x10400, &(0x7f0000000700)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r1, @ANYBLOB=',wfdno=', @ANYRESHEX=r3]) (async) chmod(&(0x7f0000000340)='./file0\x00', 0x0) (async) open$dir(&(0x7f0000000180)='./file0\x00', 0x1, 0x0) (async) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='blkio.bfq.io_wait_time\x00', 0x275a, 0x0) (async) ftruncate(r8, 0x57) (async) sendfile(r7, r8, 0x0, 0x7ffff000) (async) [ 74.024571][ T5299] Bluetooth: hci0: command tx timeout [ 74.133640][ T5316] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] SMP KASAN NOPTI [ 74.138798][ T5316] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 74.142245][ T5316] CPU: 0 UID: 0 PID: 5316 Comm: syz.0.0 Not tainted 6.15.0-rc7-syzkaller-00099-g94305e83eccb #0 PREEMPT(full) [ 74.147029][ T5316] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 74.151422][ T5316] RIP: 0010:iter_file_splice_write+0xa9b/0x1000 [ 74.154084][ T5316] 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 [ 74.161899][ T5316] RSP: 0018:ffffc9000d487840 EFLAGS: 00010202 [ 74.164407][ T5316] RAX: 0000000000000001 RBX: 0000000000000008 RCX: ffff888000ab4880 [ 74.167587][ T5316] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 7fffffffffffffaf [ 74.170897][ T5316] RBP: ffffc9000d487a50 R08: ffff8880442200df R09: 1ffff1100884401b [ 74.174195][ T5316] R10: dffffc0000000000 R11: ffffffff82013ec0 R12: dffffc0000000000 [ 74.177513][ T5316] R13: 7fffffffffffffaf R14: dffffc0000000000 R15: ffff88801e1a8028 [ 74.181080][ T5316] FS: 00007fcaadd796c0(0000) GS:ffff88808d6c2000(0000) knlGS:0000000000000000 [ 74.184805][ T5316] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.187690][ T5316] CR2: 00007fcaadd78fc8 CR3: 000000003f2b8000 CR4: 0000000000352ef0 [ 74.190867][ T5316] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.194183][ T5316] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.197409][ T5316] Call Trace: [ 74.198880][ T5316] [ 74.200212][ T5316] ? __pfx_iter_file_splice_write+0x10/0x10 [ 74.202782][ T5316] ? rcu_read_lock_any_held+0xb3/0x120 [ 74.205291][ T5316] ? __pfx_iter_file_splice_write+0x10/0x10 [ 74.207856][ T5316] direct_splice_actor+0xfe/0x160 [ 74.209894][ T5316] splice_direct_to_actor+0x5a8/0xcc0 [ 74.212308][ T5316] ? __pfx_direct_splice_actor+0x10/0x10 [ 74.214833][ T5316] ? __pfx_splice_direct_to_actor+0x10/0x10 [ 74.217448][ T5316] ? __pfx_aa_file_perm+0x10/0x10 [ 74.219715][ T5316] do_splice_direct+0x181/0x270 [ 74.221868][ T5316] ? __pfx_do_splice_direct+0x10/0x10 [ 74.224186][ T5316] ? __pfx_direct_file_splice_eof+0x10/0x10 [ 74.226822][ T5316] ? rw_verify_area+0x258/0x650 [ 74.228969][ T5316] do_sendfile+0x4da/0x7d0 [ 74.230656][ T5316] ? __pfx_count_memcg_event_mm+0x10/0x10 [ 74.232768][ T5316] ? __pfx_do_sendfile+0x10/0x10 [ 74.234743][ T5316] __se_sys_sendfile64+0x13e/0x190 [ 74.236941][ T5316] ? __pfx___se_sys_sendfile64+0x10/0x10 [ 74.239335][ T5316] ? do_syscall_64+0xba/0x210 [ 74.241470][ T5316] do_syscall_64+0xf6/0x210 [ 74.243420][ T5316] ? clear_bhb_loop+0x60/0xb0 [ 74.245551][ T5316] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.248044][ T5316] RIP: 0033:0x7fcaacf8e969 [ 74.249957][ 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 [ 74.257722][ T5316] RSP: 002b:00007fcaadd79038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 74.261433][ T5316] RAX: ffffffffffffffda RBX: 00007fcaad1b6160 RCX: 00007fcaacf8e969 [ 74.265122][ T5316] RDX: 0000000000000000 RSI: 000000000000000a RDI: 0000000000000009 [ 74.268515][ T5316] RBP: 00007fcaad010ab1 R08: 0000000000000000 R09: 0000000000000000 [ 74.271997][ T5316] R10: 000000007ffff000 R11: 0000000000000246 R12: 0000000000000000 [ 74.275425][ T5316] R13: 0000000000000001 R14: 00007fcaad1b6160 R15: 00007ffd9866a778 [ 74.278836][ T5316] [ 74.280191][ T5316] Modules linked in: [ 74.282492][ T5316] ---[ end trace 0000000000000000 ]--- [ 74.290490][ T5316] RIP: 0010:iter_file_splice_write+0xa9b/0x1000 [ 74.293370][ T5316] 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 [ 74.302336][ T5316] RSP: 0018:ffffc9000d487840 EFLAGS: 00010202 [ 74.305161][ T5316] RAX: 0000000000000001 RBX: 0000000000000008 RCX: ffff888000ab4880 [ 74.308963][ T5316] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 7fffffffffffffaf [ 74.312496][ T5316] RBP: ffffc9000d487a50 R08: ffff8880442200df R09: 1ffff1100884401b [ 74.315941][ T5316] R10: dffffc0000000000 R11: ffffffff82013ec0 R12: dffffc0000000000 [ 74.320117][ T5316] R13: 7fffffffffffffaf R14: dffffc0000000000 R15: ffff88801e1a8028 [ 74.323716][ T5316] FS: 00007fcaadd796c0(0000) GS:ffff88808d6c2000(0000) knlGS:0000000000000000 [ 74.327762][ T5316] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.331270][ T5316] CR2: 00007fcaadd78fc8 CR3: 000000003f2b8000 CR4: 0000000000352ef0 [ 74.334882][ T5316] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.338386][ T5316] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.342824][ T5316] Kernel panic - not syncing: Fatal exception [ 74.345827][ T5316] Kernel Offset: disabled [ 74.347758][ T5316] Rebooting in 86400 seconds..