DUID 00:04:7b:a2:e0:73:6b:5f:a9:8e:d4:f6:53:82:b5:31:a7:5e forked to background, child pid 4645 [ 38.851657][ T4646] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.877879][ T4646] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.99' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 64.948535][ T5084] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5084 'syz-executor309' [ 65.014546][ T5086] loop0: detected capacity change from 0 to 2048 [ 65.025603][ T5089] loop3: detected capacity change from 0 to 2048 [ 65.035577][ T5091] loop5: detected capacity change from 0 to 2048 [ 65.043712][ T5085] loop2: detected capacity change from 0 to 2048 [ 65.073746][ T5086] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none. [ 65.075032][ T5090] loop1: detected capacity change from 0 to 2048 [ 65.085669][ T5084] loop4: detected capacity change from 0 to 2048 [ 65.097661][ T5085] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none. [ 65.107686][ T5089] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none. [ 65.114243][ T5085] ext4 filesystem being mounted at /root/bus supports timestamps until 2038 (0x7fffffff) [ 65.129917][ T5086] ext4 filesystem being mounted at /root/bus supports timestamps until 2038 (0x7fffffff) [ 65.135322][ T5089] ext4 filesystem being mounted at /root/bus supports timestamps until 2038 (0x7fffffff) [ 65.161587][ T5091] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none. [ 65.175416][ T27] audit: type=1800 audit(1679193115.180:2): pid=5085 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor309" name="bus" dev="loop2" ino=18 res=0 errno=0 [ 65.188421][ T5091] ext4 filesystem being mounted at /root/bus supports timestamps until 2038 (0x7fffffff) [ 65.198676][ T5090] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none. [ 65.223587][ T5084] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none. [ 65.244694][ T5084] ext4 filesystem being mounted at /root/bus supports timestamps until 2038 (0x7fffffff) [ 65.262887][ T5090] ext4 filesystem being mounted at /root/bus supports timestamps until 2038 (0x7fffffff) [ 65.273272][ T27] audit: type=1800 audit(1679193115.230:3): pid=5089 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor309" name="bus" dev="loop0" ino=18 res=0 errno=0 executing program executing program [ 65.371800][ T5091] EXT4-fs error (device loop5): __ext4_get_inode_loc:4560: comm syz-executor309: Invalid inode table block 0 in block_group 0 executing program [ 65.443557][ T5091] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5909: Corrupt filesystem [ 65.458682][ T27] audit: type=1800 audit(1679193115.230:4): pid=5086 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor309" name="bus" dev="loop0" ino=18 res=0 errno=0 [ 65.482600][ T5090] EXT4-fs error (device loop1): ext4_map_blocks:731: inode #19: block 249: comm syz-executor309: lblock 57 mapped to illegal pblock 249 (length 1) [ 65.498551][ T5091] EXT4-fs error (device loop5): __ext4_ext_dirty:202: inode #19: comm syz-executor309: mark_inode_dirty error [ 65.563316][ T5090] EXT4-fs error (device loop1): __ext4_get_inode_loc:4560: comm syz-executor309: Invalid inode table block 0 in block_group 0 [ 65.572895][ T27] audit: type=1800 audit(1679193115.310:5): pid=5091 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor309" name="bus" dev="loop5" ino=18 res=0 errno=0 [ 65.588062][ T5091] ------------[ cut here ]------------ [ 65.601837][ T5091] kernel BUG at fs/ext4/ext4.h:3332! executing program [ 65.642537][ T5090] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5909: Corrupt filesystem [ 65.664010][ T5091] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 65.670155][ T5091] CPU: 0 PID: 5091 Comm: syz-executor309 Not tainted 6.3.0-rc2-syzkaller-00387-g534293368afa #0 [ 65.672234][ T27] audit: type=1800 audit(1679193115.350:6): pid=5084 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor309" name="bus" dev="loop4" ino=18 res=0 errno=0 [ 65.680686][ T5091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 65.680702][ T5091] RIP: 0010:ext4_get_group_info+0x399/0x3a0 [ 65.680753][ T5091] Code: 4f ff 8b 74 24 04 48 c7 c7 60 ab 0b 8d 4c 89 f2 e8 4c d6 2d 02 43 80 3c 2c 00 0f 85 23 fd ff ff e9 26 fd ff ff e8 87 46 4f ff <0f> 0b 0f 1f 44 00 00 55 41 57 41 56 41 54 53 48 89 fb 49 bf 00 00 [ 65.736040][ T5091] RSP: 0018:ffffc900041773b0 EFLAGS: 00010293 [ 65.742120][ T5091] RAX: ffffffff823b2699 RBX: 00000000fffffac6 RCX: ffff8880284b8000 [ 65.750111][ T5091] RDX: 0000000000000000 RSI: 00000000fffffac6 RDI: 0000000000000001 [ 65.758086][ T5091] RBP: 0000000000000001 R08: ffffffff823b2369 R09: ffffed100ee264ba [ 65.766058][ T5091] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff110050868cf [ 65.774031][ T5091] R13: dffffc0000000000 R14: ffff888028436000 R15: ffff888028434678 [ 65.782005][ T5091] FS: 00007ff555a73700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 65.790937][ T5091] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.797544][ T5091] CR2: 00007ff555b17f78 CR3: 0000000075921000 CR4: 00000000003506f0 [ 65.805519][ T5091] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.813490][ T5091] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.821487][ T5091] Call Trace: [ 65.824792][ T5091] [ 65.827734][ T5091] ext4_mb_load_buddy_gfp+0xc3/0x820 [ 65.833059][ T5091] ? ext4_get_group_number+0x166/0x240 [ 65.838536][ T5091] ext4_discard_preallocations+0x84d/0x10e0 [ 65.844448][ T5091] ? mb_clear_bits+0x110/0x110 [ 65.849222][ T5091] ? __down_write_common+0x161/0x200 [ 65.854529][ T5091] ? ext4_journal_check_start+0x179/0x240 [ 65.860262][ T5091] ? __ext4_journal_start_sb+0x26b/0x5a0 [ 65.865906][ T5091] ext4_truncate+0x98b/0x1150 [ 65.870600][ T5091] ? __ext4_mark_inode_dirty+0x870/0x870 [ 65.876325][ T5091] ? ext4_journal_check_start+0x179/0x240 [ 65.882061][ T5091] ext4_write_begin+0xaa6/0xee0 [ 65.886953][ T5091] ? ext4_readahead+0x110/0x110 [ 65.891828][ T5091] ? fault_in_iov_iter_readable+0x49/0x280 [ 65.897656][ T5091] ? fault_in_readable+0x15a/0x350 [ 65.902785][ T5091] ext4_da_write_begin+0x42c/0x960 [ 65.907928][ T5091] ? ext4_dirty_folio+0x310/0x310 [ 65.912980][ T5091] ? fault_in_iov_iter_readable+0xdf/0x280 [ 65.918797][ T5091] generic_perform_write+0x300/0x5e0 [ 65.924097][ T5091] ? generic_file_direct_write+0x460/0x460 [ 65.929912][ T5091] ? clear_nonspinnable+0x60/0x60 [ 65.934950][ T5091] ? __lock_acquire+0x125b/0x1f80 [ 65.939979][ T5091] ? ext4_write_checks+0x255/0x2c0 [ 65.945094][ T5091] ext4_buffered_write_iter+0x122/0x3a0 [ 65.950665][ T5091] ext4_file_write_iter+0x1d6/0x1930 [ 65.955972][ T5091] ? read_lock_is_recursive+0x20/0x20 [ 65.961416][ T5091] ? ext4_file_read_iter+0x670/0x670 [ 65.966712][ T5091] ? rcu_is_watching+0x15/0xb0 [ 65.971493][ T5091] ? trace_contention_end+0x3c/0xf0 [ 65.976710][ T5091] vfs_write+0x7b2/0xbb0 [ 65.980969][ T5091] ? file_end_write+0x250/0x250 [ 65.985838][ T5091] ? mutex_lock_nested+0x1b/0x20 [ 65.990795][ T5091] ? __fdget_pos+0x254/0x2f0 [ 65.995393][ T5091] ? ksys_write+0x7b/0x2c0 [ 65.999820][ T5091] ksys_write+0x1a0/0x2c0 [ 66.004162][ T5091] ? print_irqtrace_events+0x220/0x220 [ 66.009629][ T5091] ? __ia32_sys_read+0x90/0x90 [ 66.014402][ T5091] ? syscall_enter_from_user_mode+0x32/0x260 [ 66.020402][ T5091] ? lockdep_hardirqs_on+0x98/0x140 [ 66.025616][ T5091] ? syscall_enter_from_user_mode+0x32/0x260 [ 66.031605][ T5091] do_syscall_64+0x41/0xc0 [ 66.036037][ T5091] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 66.041941][ T5091] RIP: 0033:0x7ff555ac7309 [ 66.046361][ T5091] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 [ 66.066056][ T5091] RSP: 002b:00007ff555a732f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.074472][ T5091] RAX: ffffffffffffffda RBX: 00007ff555b4b7a0 RCX: 00007ff555ac7309 [ 66.082448][ T5091] RDX: 000000000208e24b RSI: 0000000020000000 RDI: 0000000000000006 [ 66.090422][ T5091] RBP: 00007ff555b1894c R08: 0000000000000000 R09: 0000000000000000 [ 66.098481][ T5091] R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e [ 66.106462][ T5091] R13: 6f6f6c2f7665642f R14: 632e79726f6d656d R15: 00007ff555b4b7a8 [ 66.114445][ T5091] [ 66.117463][ T5091] Modules linked in: [ 66.122456][ T5090] EXT4-fs error (device loop1): ext4_ext_truncate:4400: inode #19: comm syz-executor309: mark_inode_dirty error [ 66.135225][ T5090] EXT4-fs error (device loop1): __ext4_get_inode_loc:4560: comm syz-executor309: Invalid inode table block 0 in block_group 0 [ 66.148732][ T5090] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5909: Corrupt filesystem [ 66.158581][ T5090] EXT4-fs error (device loop1): ext4_truncate:4365: inode #19: comm syz-executor309: mark_inode_dirty error [ 66.166770][ T27] audit: type=1800 audit(1679193115.370:7): pid=5090 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor309" name="bus" dev="loop1" ino=18 res=0 errno=0 [ 66.172056][ T5091] ---[ end trace 0000000000000000 ]--- executing program [ 66.197883][ T5091] RIP: 0010:ext4_get_group_info+0x399/0x3a0 [ 66.210681][ T5091] Code: 4f ff 8b 74 24 04 48 c7 c7 60 ab 0b 8d 4c 89 f2 e8 4c d6 2d 02 43 80 3c 2c 00 0f 85 23 fd ff ff e9 26 fd ff ff e8 87 46 4f ff <0f> 0b 0f 1f 44 00 00 55 41 57 41 56 41 54 53 48 89 fb 49 bf 00 00 [ 66.259339][ T5091] RSP: 0018:ffffc900041773b0 EFLAGS: 00010293 [ 66.283808][ T5091] RAX: ffffffff823b2699 RBX: 00000000fffffac6 RCX: ffff8880284b8000 [ 66.298901][ T5091] RDX: 0000000000000000 RSI: 00000000fffffac6 RDI: 0000000000000001 executing program [ 66.307225][ T5091] RBP: 0000000000000001 R08: ffffffff823b2369 R09: ffffed100ee264ba [ 66.326014][ T5091] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff110050868cf [ 66.341314][ T5091] R13: dffffc0000000000 R14: ffff888028436000 R15: ffff888028434678 executing program executing program executing program executing program [ 66.365453][ T5091] FS: 00007ff555a73700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 66.379403][ T5091] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.391368][ T5091] CR2: 00007ffeeb9fd9c0 CR3: 0000000075921000 CR4: 00000000003506f0 [ 66.402800][ T5091] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.437535][ T5091] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.445584][ T5091] Kernel panic - not syncing: Fatal exception [ 66.451836][ T5091] Kernel Offset: disabled [ 66.456170][ T5091] Rebooting in 86400 seconds..