Warning: Permanently added '10.128.1.184' (ED25519) to the list of known hosts. executing program syzkaller login: [ 69.877586][ T4245] loop0: detected capacity change from 0 to 2048 [ 69.893077][ T4245] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 69.964191][ T4245] loop0: detected capacity change from 2048 to 64 [ 69.972552][ T4245] ------------[ cut here ]------------ [ 69.978507][ T4245] WARNING: CPU: 1 PID: 4245 at fs/udf/inode.c:1928 __udf_add_aext+0x564/0x6f0 [ 69.987486][ T4245] Modules linked in: [ 69.991463][ T4245] CPU: 1 PID: 4245 Comm: syz-executor184 Not tainted 6.1.131-syzkaller #0 [ 70.000152][ T4245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 70.010274][ T4245] RIP: 0010:__udf_add_aext+0x564/0x6f0 [ 70.015840][ T4245] Code: c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 c4 da 81 fe 0f 0b e9 ed fb ff ff e8 b8 da 81 fe 0f 0b e9 5c fc ff ff e8 ac da 81 fe <0f> 0b e9 4f fd ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c d1 fa [ 70.035537][ T4245] RSP: 0018:ffffc90003d273f8 EFLAGS: 00010293 [ 70.041608][ T4245] RAX: ffffffff8308cf14 RBX: 0000000000000150 RCX: ffff8880197e0000 [ 70.049624][ T4245] RDX: 0000000000000000 RSI: 0000000000000150 RDI: ffffffffffffff68 [ 70.057647][ T4245] RBP: 00000000bffffe00 R08: ffffffff8308cc5c R09: ffffffff8308ca12 [ 70.065662][ T4245] R10: 0000000000000002 R11: ffff8880197e0000 R12: ffffc90003d27620 [ 70.073681][ T4245] R13: ffffffffffffff68 R14: dffffc0000000000 R15: 0000000000000010 [ 70.081758][ T4245] FS: 0000555587a3d380(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 [ 70.090750][ T4245] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.097400][ T4245] CR2: 0000562884783b28 CR3: 0000000020b80000 CR4: 00000000003506e0 [ 70.105456][ T4245] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.113464][ T4245] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.121534][ T4245] Call Trace: [ 70.124855][ T4245] [ 70.127825][ T4245] ? __warn+0x15a/0x520 [ 70.132000][ T4245] ? __udf_add_aext+0x564/0x6f0 [ 70.136920][ T4245] ? report_bug+0x2af/0x500 [ 70.141483][ T4245] ? __udf_add_aext+0x564/0x6f0 [ 70.146395][ T4245] ? handle_bug+0x3d/0x70 [ 70.150747][ T4245] ? exc_invalid_op+0x16/0x40 [ 70.155468][ T4245] ? asm_exc_invalid_op+0x16/0x20 [ 70.160520][ T4245] ? __udf_add_aext+0x62/0x6f0 [ 70.165335][ T4245] ? __udf_add_aext+0x2ac/0x6f0 [ 70.170217][ T4245] ? __udf_add_aext+0x564/0x6f0 [ 70.175137][ T4245] ? __udf_add_aext+0x564/0x6f0 [ 70.180029][ T4245] ? __udf_add_aext+0x564/0x6f0 [ 70.184987][ T4245] udf_get_block+0x3cc7/0x5370 [ 70.189829][ T4245] ? udf_bread+0x520/0x520 [ 70.194361][ T4245] ? __lock_acquire+0x1f80/0x1f80 [ 70.199443][ T4245] ? attach_page_private+0x110/0x300 [ 70.204801][ T4245] ? create_page_buffers+0x24e/0x4b0 [ 70.210119][ T4245] __block_write_begin_int+0x544/0x1a30 [ 70.215763][ T4245] ? udf_bread+0x520/0x520 [ 70.220222][ T4245] ? page_zero_new_buffers+0x650/0x650 [ 70.225778][ T4245] ? udf_bread+0x520/0x520 [ 70.230227][ T4245] block_write_begin+0x98/0x1f0 [ 70.235137][ T4245] ? udf_write_begin+0x16/0x60 [ 70.239957][ T4245] udf_write_begin+0x2d/0x60 [ 70.244612][ T4245] generic_perform_write+0x2fc/0x5e0 [ 70.249983][ T4245] ? generic_file_direct_write+0x460/0x460 [ 70.255869][ T4245] ? __file_remove_privs+0x640/0x640 [ 70.261181][ T4245] ? up_write+0x19d/0x580 [ 70.265573][ T4245] __generic_file_write_iter+0x176/0x400 [ 70.271232][ T4245] udf_file_write_iter+0x291/0x670 [ 70.276397][ T4245] vfs_write+0x857/0xbc0 [ 70.280682][ T4245] ? file_end_write+0x250/0x250 [ 70.285581][ T4245] ? __rseq_handle_notify_resume+0x3b7/0x1500 [ 70.291689][ T4245] ? __fdget_pos+0x2c1/0x360 [ 70.296336][ T4245] ksys_write+0x19c/0x2c0 [ 70.300687][ T4245] ? print_irqtrace_events+0x210/0x210 [ 70.306238][ T4245] ? __ia32_sys_read+0x80/0x80 [ 70.311114][ T4245] ? syscall_enter_from_user_mode+0x2e/0x230 [ 70.317139][ T4245] ? lockdep_hardirqs_on+0x94/0x130 [ 70.322365][ T4245] ? syscall_enter_from_user_mode+0x2e/0x230 [ 70.328403][ T4245] do_syscall_64+0x3b/0xb0 [ 70.332855][ T4245] ? clear_bhb_loop+0x45/0xa0 [ 70.337601][ T4245] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 70.343605][ T4245] RIP: 0033:0x7fa4e695a939 [ 70.348065][ T4245] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 70.367924][ T4245] RSP: 002b:00007fffa5d5dd18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.376510][ T4245] RAX: ffffffffffffffda RBX: 00007fffa5d5dee8 RCX: 00007fa4e695a939 [ 70.384533][ T4245] RDX: 0000000000000050 RSI: 0000400000000140 RDI: 0000000000000004 [ 70.392541][ T4245] RBP: 00007fa4e69ce610 R08: 00007fffa5d5dee8 R09: 00007fffa5d5dee8 [ 70.400594][ T4245] R10: 00007fffa5d5dee8 R11: 0000000000000246 R12: 0000000000000001 [ 70.408720][ T4245] R13: 00007fffa5d5ded8 R14: 0000000000000001 R15: 0000000000000001 [ 70.416802][ T4245] [ 70.419844][ T4245] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 70.427166][ T4245] CPU: 1 PID: 4245 Comm: syz-executor184 Not tainted 6.1.131-syzkaller #0 [ 70.435691][ T4245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 70.445851][ T4245] Call Trace: [ 70.449133][ T4245] [ 70.452198][ T4245] dump_stack_lvl+0x1e3/0x2cb [ 70.456884][ T4245] ? nf_tcp_handle_invalid+0x647/0x647 [ 70.462345][ T4245] ? panic+0x764/0x764 [ 70.466439][ T4245] ? vscnprintf+0x59/0x80 [ 70.470797][ T4245] panic+0x318/0x764 [ 70.474788][ T4245] ? __warn+0x169/0x520 [ 70.479300][ T4245] ? memcpy_page_flushcache+0xfc/0xfc [ 70.484698][ T4245] __warn+0x348/0x520 [ 70.488686][ T4245] ? __udf_add_aext+0x564/0x6f0 [ 70.493558][ T4245] report_bug+0x2af/0x500 [ 70.498091][ T4245] ? __udf_add_aext+0x564/0x6f0 [ 70.502958][ T4245] handle_bug+0x3d/0x70 [ 70.507142][ T4245] exc_invalid_op+0x16/0x40 [ 70.511739][ T4245] asm_exc_invalid_op+0x16/0x20 [ 70.516597][ T4245] RIP: 0010:__udf_add_aext+0x564/0x6f0 [ 70.522074][ T4245] Code: c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 c4 da 81 fe 0f 0b e9 ed fb ff ff e8 b8 da 81 fe 0f 0b e9 5c fc ff ff e8 ac da 81 fe <0f> 0b e9 4f fd ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c d1 fa [ 70.541701][ T4245] RSP: 0018:ffffc90003d273f8 EFLAGS: 00010293 [ 70.547777][ T4245] RAX: ffffffff8308cf14 RBX: 0000000000000150 RCX: ffff8880197e0000 [ 70.555772][ T4245] RDX: 0000000000000000 RSI: 0000000000000150 RDI: ffffffffffffff68 [ 70.563853][ T4245] RBP: 00000000bffffe00 R08: ffffffff8308cc5c R09: ffffffff8308ca12 [ 70.571833][ T4245] R10: 0000000000000002 R11: ffff8880197e0000 R12: ffffc90003d27620 [ 70.579882][ T4245] R13: ffffffffffffff68 R14: dffffc0000000000 R15: 0000000000000010 [ 70.587874][ T4245] ? __udf_add_aext+0x62/0x6f0 [ 70.592673][ T4245] ? __udf_add_aext+0x2ac/0x6f0 [ 70.597539][ T4245] ? __udf_add_aext+0x564/0x6f0 [ 70.602585][ T4245] ? __udf_add_aext+0x564/0x6f0 [ 70.607458][ T4245] udf_get_block+0x3cc7/0x5370 [ 70.612296][ T4245] ? udf_bread+0x520/0x520 [ 70.616755][ T4245] ? __lock_acquire+0x1f80/0x1f80 [ 70.621813][ T4245] ? attach_page_private+0x110/0x300 [ 70.627118][ T4245] ? create_page_buffers+0x24e/0x4b0 [ 70.632410][ T4245] __block_write_begin_int+0x544/0x1a30 [ 70.637985][ T4245] ? udf_bread+0x520/0x520 [ 70.642410][ T4245] ? page_zero_new_buffers+0x650/0x650 [ 70.647883][ T4245] ? udf_bread+0x520/0x520 [ 70.652308][ T4245] block_write_begin+0x98/0x1f0 [ 70.657164][ T4245] ? udf_write_begin+0x16/0x60 [ 70.661948][ T4245] udf_write_begin+0x2d/0x60 [ 70.666551][ T4245] generic_perform_write+0x2fc/0x5e0 [ 70.671852][ T4245] ? generic_file_direct_write+0x460/0x460 [ 70.677662][ T4245] ? __file_remove_privs+0x640/0x640 [ 70.682961][ T4245] ? up_write+0x19d/0x580 [ 70.687310][ T4245] __generic_file_write_iter+0x176/0x400 [ 70.693053][ T4245] udf_file_write_iter+0x291/0x670 [ 70.698221][ T4245] vfs_write+0x857/0xbc0 [ 70.702493][ T4245] ? file_end_write+0x250/0x250 [ 70.707359][ T4245] ? __rseq_handle_notify_resume+0x3b7/0x1500 [ 70.713451][ T4245] ? __fdget_pos+0x2c1/0x360 [ 70.718052][ T4245] ksys_write+0x19c/0x2c0 [ 70.722395][ T4245] ? print_irqtrace_events+0x210/0x210 [ 70.727867][ T4245] ? __ia32_sys_read+0x80/0x80 [ 70.732634][ T4245] ? syscall_enter_from_user_mode+0x2e/0x230 [ 70.738619][ T4245] ? lockdep_hardirqs_on+0x94/0x130 [ 70.743916][ T4245] ? syscall_enter_from_user_mode+0x2e/0x230 [ 70.749956][ T4245] do_syscall_64+0x3b/0xb0 [ 70.754395][ T4245] ? clear_bhb_loop+0x45/0xa0 [ 70.759095][ T4245] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 70.765083][ T4245] RIP: 0033:0x7fa4e695a939 [ 70.769510][ T4245] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 70.789117][ T4245] RSP: 002b:00007fffa5d5dd18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.797534][ T4245] RAX: ffffffffffffffda RBX: 00007fffa5d5dee8 RCX: 00007fa4e695a939 [ 70.805505][ T4245] RDX: 0000000000000050 RSI: 0000400000000140 RDI: 0000000000000004 [ 70.813475][ T4245] RBP: 00007fa4e69ce610 R08: 00007fffa5d5dee8 R09: 00007fffa5d5dee8 [ 70.821453][ T4245] R10: 00007fffa5d5dee8 R11: 0000000000000246 R12: 0000000000000001 [ 70.829428][ T4245] R13: 00007fffa5d5ded8 R14: 0000000000000001 R15: 0000000000000001 [ 70.837413][ T4245] [ 70.840660][ T4245] Kernel Offset: disabled [ 70.845032][ T4245] Rebooting in 86400 seconds..