program: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000000)={0x18}, 0x18) write$FUSE_DIRENTPLUS(r2, &(0x7f00000003c0)=ANY=[@ANYBLOB="b0"], 0xb0) write$FUSE_GETXATTR(r2, &(0x7f00000000c0)={0x18}, 0x18) write$FUSE_INIT(r2, &(0x7f0000000200)={0x50}, 0x50) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[{@cache_fscache}]}}) r3 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0) writev(r3, &(0x7f0000000000)=[{&(0x7f00000000c0)="14", 0x1f68}], 0x2) readahead(r3, 0x5, 0x800000000000d) (fail_nth: 39) [ 78.993591][ T5309] Bluetooth: hci0: command tx timeout [ 78.997027][ T1305] ieee802154 phy0 wpan0: encryption failed: -22 [ 79.000122][ T1305] ieee802154 phy1 wpan1: encryption failed: -22 [ 79.142144][ T5324] FAULT_INJECTION: forcing a failure. [ 79.142144][ T5324] name failslab, interval 1, probability 0, space 0, times 1 [ 79.147995][ T5324] CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted 6.12.0-rc4-syzkaller-00261-g850925a8133c #0 [ 79.151518][ T5324] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 79.155078][ T5324] Call Trace: [ 79.156285][ T5324] [ 79.157329][ T5324] dump_stack_lvl+0x241/0x360 [ 79.159093][ T5324] ? __pfx_dump_stack_lvl+0x10/0x10 [ 79.160973][ T5324] ? __pfx__printk+0x10/0x10 [ 79.162706][ T5324] ? fs_reclaim_acquire+0x93/0x130 [ 79.164600][ T5324] ? __pfx___might_resched+0x10/0x10 [ 79.166558][ T5324] should_fail_ex+0x3b0/0x4e0 [ 79.168333][ T5324] should_failslab+0xac/0x100 [ 79.170110][ T5324] ? netfs_prepare_read_iterator+0x26f/0x950 [ 79.172321][ T5324] __kmalloc_cache_noprof+0x6c/0x2c0 [ 79.174310][ T5324] netfs_prepare_read_iterator+0x26f/0x950 [ 79.176421][ T5324] ? __pfx_netfs_prepare_read_iterator+0x10/0x10 [ 79.178677][ T5324] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 79.180708][ T5324] ? netfs_read_to_pagecache+0x2c9/0x900 [ 79.182660][ T5324] ? do_raw_spin_unlock+0x58/0x8b0 [ 79.184649][ T5324] ? rcu_is_watching+0x15/0xb0 [ 79.186565][ T5324] netfs_read_to_pagecache+0x5fc/0x900 [ 79.188562][ T5324] netfs_readahead+0x7e9/0x9d0 [ 79.190393][ T5324] ? __pfx_netfs_readahead+0x10/0x10 [ 79.192385][ T5324] ? blk_start_plug+0x70/0x1b0 [ 79.194384][ T5324] read_pages+0x17e/0x840 [ 79.195969][ T5324] ? __pfx_read_pages+0x10/0x10 [ 79.197694][ T5324] ? filemap_add_folio+0x26d/0x650 [ 79.199585][ T5324] ? __pfx_filemap_add_folio+0x10/0x10 [ 79.201438][ T5324] page_cache_ra_unbounded+0x774/0x8a0 [ 79.203442][ T5324] force_page_cache_ra+0x280/0x2f0 [ 79.205293][ T5324] generic_fadvise+0x522/0x830 [ 79.207017][ T5324] ? __pfx_generic_fadvise+0x10/0x10 [ 79.208936][ T5324] ? __fget_files+0x29/0x470 [ 79.210653][ T5324] ? vfs_fadvise+0x99/0xc0 [ 79.212312][ T5324] __x64_sys_readahead+0x1ac/0x230 [ 79.214216][ T5324] do_syscall_64+0xf3/0x230 [ 79.215906][ T5324] ? clear_bhb_loop+0x35/0x90 [ 79.217601][ T5324] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 79.219747][ T5324] RIP: 0033:0x7f1437b7e719 [ 79.221631][ 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 [ 79.228775][ T5324] RSP: 002b:00007f1438927038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bb [ 79.231971][ T5324] RAX: ffffffffffffffda RBX: 00007f1437d35f80 RCX: 00007f1437b7e719 [ 79.234873][ T5324] RDX: 000800000000000d RSI: 0000000000000005 RDI: 0000000000000006 [ 79.237829][ T5324] RBP: 00007f1438927090 R08: 0000000000000000 R09: 0000000000000000 [ 79.240749][ T5324] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 79.243662][ T5324] R13: 0000000000000000 R14: 00007f1437d35f80 R15: 00007ffd4e7b8208 [ 79.246682][ T5324] [ 79.255281][ T5324] ------------[ cut here ]------------ [ 79.257296][ T5324] kernel BUG at lib/iov_iter.c:624! [ 79.259273][ T5324] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 79.261921][ T5324] CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted 6.12.0-rc4-syzkaller-00261-g850925a8133c #0 [ 79.265695][ T5324] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 79.269595][ T5324] RIP: 0010:iov_iter_revert+0x420/0x590 [ 79.271653][ T5324] Code: 42 80 3c 20 00 48 8b 1c 24 74 08 48 89 df e8 17 07 43 fd 4c 89 2b e9 04 01 00 00 45 85 ed 48 8b 3c 24 75 16 e8 41 48 d9 fc 90 <0f> 0b 41 83 fd 05 48 8b 3c 24 0f 84 58 01 00 00 48 89 f8 48 c1 e8 [ 79.278571][ T5324] RSP: 0018:ffffc9000d0e7740 EFLAGS: 00010293 [ 79.280894][ T5324] RAX: ffffffff84bba22f RBX: 000000000001e098 RCX: ffff888000e30000 [ 79.283872][ T5324] RDX: 0000000000000000 RSI: ffffffff8f098180 RDI: ffff888043133cf0 [ 79.286825][ T5324] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff84bb9f14 [ 79.289756][ T5324] R10: 0000000000000004 R11: ffff888000e30000 R12: dffffc0000000000 [ 79.292675][ T5324] R13: 0000000000000000 R14: ffff888043133ce0 R15: fffffffffffe1f68 [ 79.295649][ T5324] FS: 00007f14389276c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 [ 79.298976][ T5324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.301362][ T5324] CR2: 00007f1437d0d538 CR3: 00000000430fe000 CR4: 0000000000352ef0 [ 79.304230][ T5324] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.307079][ T5324] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.310082][ T5324] Call Trace: [ 79.311327][ T5324] [ 79.312442][ T5324] ? __die_body+0x5f/0xb0 [ 79.314106][ T5324] ? die+0x9e/0xc0 [ 79.315568][ T5324] ? do_trap+0x15a/0x3a0 [ 79.317213][ T5324] ? iov_iter_revert+0x420/0x590 [ 79.319109][ T5324] ? do_error_trap+0x1dc/0x2c0 [ 79.320912][ T5324] ? iov_iter_revert+0x420/0x590 [ 79.322706][ T5324] ? __pfx_do_error_trap+0x10/0x10 [ 79.324613][ T5324] ? report_bug+0x3e8/0x500 [ 79.326246][ T5324] ? handle_invalid_op+0x34/0x40 [ 79.328069][ T5324] ? iov_iter_revert+0x420/0x590 [ 79.329972][ T5324] ? exc_invalid_op+0x38/0x50 [ 79.331703][ T5324] ? asm_exc_invalid_op+0x1a/0x20 [ 79.333538][ T5324] ? iov_iter_revert+0x104/0x590 [ 79.335463][ T5324] ? iov_iter_revert+0x41f/0x590 [ 79.337289][ T5324] ? iov_iter_revert+0x420/0x590 [ 79.339084][ T5324] netfs_reset_iter+0xce/0x130 [ 79.340853][ T5324] netfs_read_subreq_terminated+0x1fe/0xad0 [ 79.343349][ T5324] netfs_read_to_pagecache+0x628/0x900 [ 79.345476][ T5324] netfs_readahead+0x7e9/0x9d0 [ 79.347106][ T5324] ? __pfx_netfs_readahead+0x10/0x10 [ 79.349035][ T5324] ? blk_start_plug+0x70/0x1b0 [ 79.350790][ T5324] read_pages+0x17e/0x840 [ 79.352301][ T5324] ? __pfx_read_pages+0x10/0x10 [ 79.354101][ T5324] ? filemap_add_folio+0x26d/0x650 [ 79.355924][ T5324] ? __pfx_filemap_add_folio+0x10/0x10 [ 79.357849][ T5324] page_cache_ra_unbounded+0x774/0x8a0 [ 79.359795][ T5324] force_page_cache_ra+0x280/0x2f0 [ 79.361802][ T5324] generic_fadvise+0x522/0x830 [ 79.363601][ T5324] ? __pfx_generic_fadvise+0x10/0x10 [ 79.365578][ T5324] ? __fget_files+0x29/0x470 [ 79.367311][ T5324] ? vfs_fadvise+0x99/0xc0 [ 79.368966][ T5324] __x64_sys_readahead+0x1ac/0x230 [ 79.370848][ T5324] do_syscall_64+0xf3/0x230 [ 79.372479][ T5324] ? clear_bhb_loop+0x35/0x90 [ 79.374160][ T5324] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 79.376263][ T5324] RIP: 0033:0x7f1437b7e719 [ 79.377844][ 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 [ 79.384990][ T5324] RSP: 002b:00007f1438927038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bb [ 79.388091][ T5324] RAX: ffffffffffffffda RBX: 00007f1437d35f80 RCX: 00007f1437b7e719 [ 79.390946][ T5324] RDX: 000800000000000d RSI: 0000000000000005 RDI: 0000000000000006 [ 79.393866][ T5324] RBP: 00007f1438927090 R08: 0000000000000000 R09: 0000000000000000 [ 79.396871][ T5324] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 79.399685][ T5324] R13: 0000000000000000 R14: 00007f1437d35f80 R15: 00007ffd4e7b8208 [ 79.402565][ T5324] [ 79.403719][ T5324] Modules linked in: [ 79.405517][ T5324] ---[ end trace 0000000000000000 ]--- [ 79.411886][ T5324] RIP: 0010:iov_iter_revert+0x420/0x590 [ 79.414105][ T5324] Code: 42 80 3c 20 00 48 8b 1c 24 74 08 48 89 df e8 17 07 43 fd 4c 89 2b e9 04 01 00 00 45 85 ed 48 8b 3c 24 75 16 e8 41 48 d9 fc 90 <0f> 0b 41 83 fd 05 48 8b 3c 24 0f 84 58 01 00 00 48 89 f8 48 c1 e8 [ 79.421031][ T5324] RSP: 0018:ffffc9000d0e7740 EFLAGS: 00010293 [ 79.424335][ T5324] RAX: ffffffff84bba22f RBX: 000000000001e098 RCX: ffff888000e30000 [ 79.427385][ T5324] RDX: 0000000000000000 RSI: ffffffff8f098180 RDI: ffff888043133cf0 [ 79.430680][ T5324] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff84bb9f14 [ 79.434558][ T5324] R10: 0000000000000004 R11: ffff888000e30000 R12: dffffc0000000000 [ 79.437971][ T5324] R13: 0000000000000000 R14: ffff888043133ce0 R15: fffffffffffe1f68 [ 79.441359][ T5324] FS: 00007f14389276c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 [ 79.445244][ T5324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.448025][ T5324] CR2: 00007f1437d0d538 CR3: 00000000430fe000 CR4: 0000000000352ef0 [ 79.450914][ T5324] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.454605][ T5324] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.458114][ T5324] Kernel panic - not syncing: Fatal exception [ 79.460581][ T5324] Kernel Offset: disabled [ 79.462172][ T5324] Rebooting in 86400 seconds..