Warning: Permanently added '10.128.0.54' (ED25519) to the list of known hosts. executing program [ 69.618558][ T5025] syz-executor378[5025]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 69.631377][ T5025] loop0: detected capacity change from 0 to 64 executing program executing program [ 69.698249][ T5029] loop0: detected capacity change from 0 to 64 executing program [ 69.745469][ T5032] loop0: detected capacity change from 0 to 64 executing program [ 69.797620][ T5035] loop0: detected capacity change from 0 to 64 executing program [ 69.853135][ T5038] loop0: detected capacity change from 0 to 64 executing program [ 69.895309][ T5041] loop0: detected capacity change from 0 to 64 executing program [ 69.943648][ T5044] loop0: detected capacity change from 0 to 64 executing program [ 69.988000][ T5046] loop0: detected capacity change from 0 to 64 executing program [ 70.031811][ T5049] loop0: detected capacity change from 0 to 64 executing program executing program [ 70.073780][ T5052] loop0: detected capacity change from 0 to 64 [ 70.111521][ T5055] loop0: detected capacity change from 0 to 64 executing program [ 70.152866][ T5058] loop0: detected capacity change from 0 to 64 executing program [ 70.193096][ T5061] loop0: detected capacity change from 0 to 64 executing program executing program [ 70.233672][ T5064] loop0: detected capacity change from 0 to 64 [ 70.270782][ T5067] loop0: detected capacity change from 0 to 64 executing program [ 70.309636][ T5070] loop0: detected capacity change from 0 to 64 [ 70.349633][ T5073] loop0: detected capacity change from 0 to 64 executing program executing program [ 70.395828][ T5075] loop0: detected capacity change from 0 to 64 [ 70.443454][ T5078] loop0: detected capacity change from 0 to 64 executing program [ 70.491751][ T5081] loop0: detected capacity change from 0 to 64 [ 70.512969][ T5081] ------------[ cut here ]------------ [ 70.519064][ T5081] WARNING: CPU: 1 PID: 5081 at fs/buffer.c:1188 mark_buffer_dirty+0x2dd/0x500 [ 70.528360][ T5081] Modules linked in: [ 70.532308][ T5081] CPU: 1 PID: 5081 Comm: syz-executor378 Not tainted 6.6.0-rc7-syzkaller-00137-g750b95887e56 #0 [ 70.543043][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 70.553313][ T5081] RIP: 0010:mark_buffer_dirty+0x2dd/0x500 [ 70.559194][ T5081] Code: df e8 47 89 df ff 48 8b 3b be 04 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 72 4c fc ff e8 2d da 84 ff e9 71 ff ff ff e8 23 da 84 ff <0f> 0b e9 6d fd ff ff e8 17 da 84 ff 0f 0b e9 96 fd ff ff e8 0b da [ 70.578916][ T5081] RSP: 0018:ffffc90003f97808 EFLAGS: 00010293 [ 70.585028][ T5081] RAX: ffffffff8209433d RBX: ffff8880746d8201 RCX: ffff888077a65940 [ 70.593166][ T5081] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 70.601240][ T5081] RBP: 0000000000000000 R08: ffffffff820940a4 R09: 1ffff1100ec67705 [ 70.609311][ T5081] R10: dffffc0000000000 R11: ffffed100ec67706 R12: ffff88807633b828 [ 70.617360][ T5081] R13: ffff88807633b2b8 R14: ffff88807633b828 R15: dffffc0000000000 [ 70.625353][ T5081] FS: 00007f1516d516c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 70.634372][ T5081] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.641038][ T5081] CR2: 00007f1516dd0ad0 CR3: 0000000028de3000 CR4: 00000000003506e0 [ 70.649120][ T5081] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.657154][ T5081] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.665173][ T5081] Call Trace: [ 70.668537][ T5081] [ 70.671493][ T5081] ? __warn+0x162/0x4a0 [ 70.675661][ T5081] ? mark_buffer_dirty+0x2dd/0x500 [ 70.680881][ T5081] ? report_bug+0x2b3/0x500 [ 70.685431][ T5081] ? mark_buffer_dirty+0x2dd/0x500 [ 70.690624][ T5081] ? handle_bug+0x3d/0x70 [ 70.694991][ T5081] ? exc_invalid_op+0x1a/0x50 [ 70.699744][ T5081] ? asm_exc_invalid_op+0x1a/0x20 [ 70.704809][ T5081] ? mark_buffer_dirty+0x44/0x500 [ 70.709927][ T5081] ? mark_buffer_dirty+0x2dd/0x500 [ 70.715084][ T5081] ? mark_buffer_dirty+0x2dd/0x500 [ 70.720320][ T5081] ? mark_buffer_dirty+0x2dd/0x500 [ 70.725478][ T5081] bfs_get_block+0x856/0xad0 [ 70.730172][ T5081] __block_write_begin_int+0x54d/0x1ac0 [ 70.735750][ T5081] ? folio_add_lru+0x27b/0x9d0 [ 70.740613][ T5081] ? bfs_bmap+0x30/0x30 [ 70.744797][ T5081] ? folio_zero_new_buffers+0x530/0x530 [ 70.750424][ T5081] ? pagecache_get_page+0x243/0x590 [ 70.755671][ T5081] ? bfs_bmap+0x30/0x30 [ 70.759899][ T5081] block_write_begin+0x9b/0x1e0 [ 70.764787][ T5081] bfs_write_begin+0x35/0xd0 [ 70.769463][ T5081] generic_perform_write+0x31b/0x630 [ 70.774789][ T5081] ? generic_file_direct_write+0x3f0/0x3f0 [ 70.780707][ T5081] ? __generic_file_write_iter+0x101/0x230 [ 70.786582][ T5081] generic_file_write_iter+0xaf/0x310 [ 70.791983][ T5081] vfs_write+0x782/0xaf0 [ 70.796392][ T5081] ? file_end_write+0x250/0x250 [ 70.801293][ T5081] ? __fget_files+0x28/0x4a0 [ 70.805894][ T5081] ? __fget_files+0x435/0x4a0 [ 70.810647][ T5081] ? __fdget_pos+0x2b0/0x340 [ 70.815266][ T5081] ? ksys_write+0x7b/0x2c0 [ 70.819763][ T5081] ksys_write+0x1a0/0x2c0 [ 70.824131][ T5081] ? print_irqtrace_events+0x220/0x220 [ 70.829681][ T5081] ? __ia32_sys_read+0x90/0x90 [ 70.834483][ T5081] ? syscall_enter_from_user_mode+0x32/0x230 [ 70.840565][ T5081] ? lockdep_hardirqs_on+0x98/0x140 [ 70.845836][ T5081] ? syscall_enter_from_user_mode+0x32/0x230 [ 70.851934][ T5081] do_syscall_64+0x41/0xc0 [ 70.856433][ T5081] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 70.862364][ T5081] RIP: 0033:0x7f1516d94bd9 [ 70.866842][ T5081] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 70.886528][ T5081] RSP: 002b:00007f1516d51218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.894965][ T5081] RAX: ffffffffffffffda RBX: 00007f1516e1c6c8 RCX: 00007f1516d94bd9 [ 70.903002][ T5081] RDX: 000000000208e24b RSI: 0000000020000440 RDI: 0000000000000004 [ 70.911044][ T5081] RBP: 00007f1516e1c6c0 R08: 0000000000000000 R09: 0000000000000000 [ 70.919094][ T5081] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1516de90c0 [ 70.927140][ T5081] R13: 00007f1516de906b R14: 0030656c69662f2e R15: 0031656c69662f2e [ 70.935150][ T5081] [ 70.938248][ T5081] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 70.945553][ T5081] CPU: 1 PID: 5081 Comm: syz-executor378 Not tainted 6.6.0-rc7-syzkaller-00137-g750b95887e56 #0 [ 70.955973][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 70.966032][ T5081] Call Trace: [ 70.969317][ T5081] [ 70.972261][ T5081] dump_stack_lvl+0x1e7/0x2d0 [ 70.976958][ T5081] ? nf_tcp_handle_invalid+0x650/0x650 [ 70.982453][ T5081] ? panic+0x770/0x770 [ 70.986544][ T5081] ? vscnprintf+0x5d/0x80 [ 70.990901][ T5081] panic+0x30f/0x770 [ 70.994805][ T5081] ? __warn+0x171/0x4a0 [ 70.998972][ T5081] ? __memcpy_flushcache+0x2b0/0x2b0 [ 71.004290][ T5081] __warn+0x314/0x4a0 [ 71.008295][ T5081] ? mark_buffer_dirty+0x2dd/0x500 [ 71.013424][ T5081] report_bug+0x2b3/0x500 [ 71.017773][ T5081] ? mark_buffer_dirty+0x2dd/0x500 [ 71.022904][ T5081] handle_bug+0x3d/0x70 [ 71.027077][ T5081] exc_invalid_op+0x1a/0x50 [ 71.031599][ T5081] asm_exc_invalid_op+0x1a/0x20 [ 71.036466][ T5081] RIP: 0010:mark_buffer_dirty+0x2dd/0x500 [ 71.042197][ T5081] Code: df e8 47 89 df ff 48 8b 3b be 04 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 72 4c fc ff e8 2d da 84 ff e9 71 ff ff ff e8 23 da 84 ff <0f> 0b e9 6d fd ff ff e8 17 da 84 ff 0f 0b e9 96 fd ff ff e8 0b da [ 71.061815][ T5081] RSP: 0018:ffffc90003f97808 EFLAGS: 00010293 [ 71.067896][ T5081] RAX: ffffffff8209433d RBX: ffff8880746d8201 RCX: ffff888077a65940 [ 71.075878][ T5081] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 71.083867][ T5081] RBP: 0000000000000000 R08: ffffffff820940a4 R09: 1ffff1100ec67705 [ 71.091849][ T5081] R10: dffffc0000000000 R11: ffffed100ec67706 R12: ffff88807633b828 [ 71.099830][ T5081] R13: ffff88807633b2b8 R14: ffff88807633b828 R15: dffffc0000000000 [ 71.107822][ T5081] ? mark_buffer_dirty+0x44/0x500 [ 71.112861][ T5081] ? mark_buffer_dirty+0x2dd/0x500 [ 71.117989][ T5081] ? mark_buffer_dirty+0x2dd/0x500 [ 71.123115][ T5081] bfs_get_block+0x856/0xad0 [ 71.127736][ T5081] __block_write_begin_int+0x54d/0x1ac0 [ 71.133299][ T5081] ? folio_add_lru+0x27b/0x9d0 [ 71.138090][ T5081] ? bfs_bmap+0x30/0x30 [ 71.142263][ T5081] ? folio_zero_new_buffers+0x530/0x530 [ 71.147832][ T5081] ? pagecache_get_page+0x243/0x590 [ 71.153054][ T5081] ? bfs_bmap+0x30/0x30 [ 71.157217][ T5081] block_write_begin+0x9b/0x1e0 [ 71.162085][ T5081] bfs_write_begin+0x35/0xd0 [ 71.166691][ T5081] generic_perform_write+0x31b/0x630 [ 71.172002][ T5081] ? generic_file_direct_write+0x3f0/0x3f0 [ 71.177831][ T5081] ? __generic_file_write_iter+0x101/0x230 [ 71.183650][ T5081] generic_file_write_iter+0xaf/0x310 [ 71.189035][ T5081] vfs_write+0x782/0xaf0 [ 71.193308][ T5081] ? file_end_write+0x250/0x250 [ 71.198183][ T5081] ? __fget_files+0x28/0x4a0 [ 71.202781][ T5081] ? __fget_files+0x435/0x4a0 [ 71.207478][ T5081] ? __fdget_pos+0x2b0/0x340 [ 71.212075][ T5081] ? ksys_write+0x7b/0x2c0 [ 71.216511][ T5081] ksys_write+0x1a0/0x2c0 [ 71.220858][ T5081] ? print_irqtrace_events+0x220/0x220 [ 71.226334][ T5081] ? __ia32_sys_read+0x90/0x90 [ 71.231120][ T5081] ? syscall_enter_from_user_mode+0x32/0x230 [ 71.237122][ T5081] ? lockdep_hardirqs_on+0x98/0x140 [ 71.242343][ T5081] ? syscall_enter_from_user_mode+0x32/0x230 [ 71.248346][ T5081] do_syscall_64+0x41/0xc0 [ 71.252784][ T5081] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 71.258704][ T5081] RIP: 0033:0x7f1516d94bd9 [ 71.263130][ T5081] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 71.282754][ T5081] RSP: 002b:00007f1516d51218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.291183][ T5081] RAX: ffffffffffffffda RBX: 00007f1516e1c6c8 RCX: 00007f1516d94bd9 [ 71.299189][ T5081] RDX: 000000000208e24b RSI: 0000000020000440 RDI: 0000000000000004 [ 71.307171][ T5081] RBP: 00007f1516e1c6c0 R08: 0000000000000000 R09: 0000000000000000 [ 71.315180][ T5081] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1516de90c0 [ 71.323159][ T5081] R13: 00007f1516de906b R14: 0030656c69662f2e R15: 0031656c69662f2e [ 71.331156][ T5081] [ 71.334462][ T5081] Kernel Offset: disabled [ 71.338883][ T5081] Rebooting in 86400 seconds..