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[syzbot] [ext4?] kernel BUG in ext4_ext_insert_extent (2) | 0 (3) | 2025/06/29 05:10 |
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[syzbot] [ext4?] kernel BUG in ext4_ext_insert_extent (2) | 0 (3) | 2025/06/29 05:10 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
android-54 | kernel BUG in ext4_ext_insert_extent | 1 | 1257d | 1257d | 0/2 | auto-closed as invalid on 2022/05/24 20:39 | |||
upstream | kernel BUG in ext4_ext_insert_extent ext4 | 1 | 1583d | 1579d | 0/29 | auto-closed as invalid on 2021/06/02 20:11 |
loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. EXT4-fs error (device loop1): mb_free_blocks:1948: group 0, inode 15: block 305:freeing already freed block (bit 19); block bitmap corrupt. ------------[ cut here ]------------ kernel BUG at fs/ext4/extents.c:2153! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 6179 Comm: syz.1.20 Not tainted 6.16.0-rc2-syzkaller-00318-g739a6c93cc75 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:ext4_ext_insert_extent+0x4ab7/0x4af0 fs/ext4/extents.c:2153 Code: 89 d9 80 e1 07 fe c1 38 c1 0f 8c a6 e7 ff ff 48 89 df e8 2c 8b b6 ff e9 99 e7 ff ff e8 62 0d 53 ff 90 0f 0b e8 5a 0d 53 ff 90 <0f> 0b e8 52 0d 53 ff 90 0f 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c RSP: 0018:ffffc900030a6c60 EFLAGS: 00010293 RAX: ffffffff826d4f26 RBX: 0000000000000021 RCX: ffff8880303b8000 RDX: 0000000000000000 RSI: 0000000000000021 RDI: 0000000000000021 RBP: ffffc900030a6e10 R08: ffff88805c9de747 R09: 1ffff1100b93bce8 R10: dffffc0000000000 R11: ffffed100b93bce9 R12: 0000000000000021 R13: dffffc0000000000 R14: ffff88807052843c R15: ffff8880283fd500 FS: 00007f52973d66c0(0000) GS:ffff888125c51000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000003000 CR3: 0000000079ac8000 CR4: 0000000000350ef0 Call Trace: <TASK> ext4_ext_map_blocks+0x1792/0x6ac0 fs/ext4/extents.c:4404 ext4_map_create_blocks fs/ext4/inode.c:609 [inline] ext4_map_blocks+0x931/0x18d0 fs/ext4/inode.c:813 _ext4_get_block+0x200/0x4c0 fs/ext4/inode.c:892 ext4_get_block_unwritten+0x2e/0x100 fs/ext4/inode.c:925 ext4_block_write_begin+0x6f8/0x14b0 fs/ext4/inode.c:1178 ext4_write_begin+0xa4f/0x1680 fs/ext4/ext4_jbd2.h:-1 ext4_da_write_begin+0x449/0xd20 fs/ext4/inode.c:3057 generic_perform_write+0x2c7/0x910 mm/filemap.c:4112 ext4_buffered_write_iter+0xce/0x3a0 fs/ext4/file.c:299 ext4_file_write_iter+0x298/0x1bc0 fs/ext4/file.c:-1 do_iter_readv_writev+0x56e/0x7f0 fs/read_write.c:-1 vfs_writev+0x31a/0x960 fs/read_write.c:1057 do_pwritev fs/read_write.c:1153 [inline] __do_sys_pwritev2 fs/read_write.c:1211 [inline] __se_sys_pwritev2+0x179/0x290 fs/read_write.c:1202 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f529658e929 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 RSP: 002b:00007f52973d6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 RAX: ffffffffffffffda RBX: 00007f52967b5fa0 RCX: 00007f529658e929 RDX: 0000000000000001 RSI: 0000200000000100 RDI: 0000000000000004 RBP: 00007f5296610b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000005412 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f52967b5fa0 R15: 00007fff31395898 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_ext_insert_extent+0x4ab7/0x4af0 fs/ext4/extents.c:2153 Code: 89 d9 80 e1 07 fe c1 38 c1 0f 8c a6 e7 ff ff 48 89 df e8 2c 8b b6 ff e9 99 e7 ff ff e8 62 0d 53 ff 90 0f 0b e8 5a 0d 53 ff 90 <0f> 0b e8 52 0d 53 ff 90 0f 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c RSP: 0018:ffffc900030a6c60 EFLAGS: 00010293 RAX: ffffffff826d4f26 RBX: 0000000000000021 RCX: ffff8880303b8000 RDX: 0000000000000000 RSI: 0000000000000021 RDI: 0000000000000021 RBP: ffffc900030a6e10 R08: ffff88805c9de747 R09: 1ffff1100b93bce8 R10: dffffc0000000000 R11: ffffed100b93bce9 R12: 0000000000000021 R13: dffffc0000000000 R14: ffff88807052843c R15: ffff8880283fd500 FS: 00007f52973d66c0(0000) GS:ffff888125c51000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055610a901950 CR3: 0000000079ac8000 CR4: 0000000000350ef0
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2025/06/22 20:04 | upstream | 739a6c93cc75 | d6cdfb8a | .config | console log | report | syz / log | [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] | ci-upstream-kasan-gce-root | kernel BUG in ext4_ext_insert_extent | ||
2025/06/22 19:34 | upstream | 739a6c93cc75 | d6cdfb8a | .config | console log | report | syz / log | [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] | ci-upstream-kasan-gce-root | kernel BUG in ext4_ext_insert_extent | ||
2025/06/22 18:31 | upstream | 739a6c93cc75 | d6cdfb8a | .config | console log | report | syz / log | [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] | ci-upstream-kasan-gce-root | kernel BUG in ext4_ext_insert_extent | ||
2025/06/22 17:37 | upstream | 739a6c93cc75 | d6cdfb8a | .config | console log | report | syz / log | [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] | ci-upstream-kasan-gce-root | kernel BUG in ext4_ext_insert_extent | ||
2025/06/22 16:05 | upstream | 739a6c93cc75 | d6cdfb8a | .config | console log | report | syz / log | [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] | ci-upstream-kasan-gce-root | kernel BUG in ext4_ext_insert_extent | ||
2025/06/29 05:29 | upstream | dfba48a70cb6 | fc9d8ee5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | kernel BUG in ext4_ext_insert_extent | ||
2025/06/22 17:25 | upstream | 739a6c93cc75 | d6cdfb8a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | kernel BUG in ext4_ext_insert_extent | ||
2025/06/22 17:01 | upstream | 739a6c93cc75 | d6cdfb8a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | kernel BUG in ext4_ext_insert_extent | ||
2025/06/22 17:00 | upstream | 739a6c93cc75 | d6cdfb8a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | kernel BUG in ext4_ext_insert_extent | ||
2025/06/22 16:53 | upstream | 739a6c93cc75 | d6cdfb8a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | kernel BUG in ext4_ext_insert_extent | ||
2025/06/22 16:33 | upstream | 739a6c93cc75 | d6cdfb8a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | kernel BUG in ext4_ext_insert_extent | ||
2025/06/22 16:19 | upstream | 739a6c93cc75 | d6cdfb8a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | kernel BUG in ext4_ext_insert_extent | ||
2025/06/22 16:13 | upstream | 739a6c93cc75 | d6cdfb8a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | kernel BUG in ext4_ext_insert_extent | ||
2025/06/22 15:20 | upstream | 739a6c93cc75 | d6cdfb8a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | kernel BUG in ext4_ext_insert_extent | ||
2025/06/22 15:18 | upstream | 739a6c93cc75 | d6cdfb8a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | kernel BUG in ext4_ext_insert_extent | ||
2025/06/22 15:08 | upstream | 739a6c93cc75 | d6cdfb8a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | kernel BUG in ext4_ext_insert_extent | ||
2025/06/22 15:02 | upstream | 739a6c93cc75 | d6cdfb8a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | kernel BUG in ext4_ext_insert_extent | ||
2025/06/22 14:51 | upstream | 739a6c93cc75 | d6cdfb8a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | kernel BUG in ext4_ext_insert_extent | ||
2025/06/22 14:46 | upstream | 739a6c93cc75 | d6cdfb8a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | kernel BUG in ext4_ext_insert_extent | ||
2025/06/22 14:37 | upstream | 739a6c93cc75 | d6cdfb8a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | kernel BUG in ext4_ext_insert_extent | ||
2025/06/22 14:33 | upstream | 739a6c93cc75 | d6cdfb8a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | kernel BUG in ext4_ext_insert_extent | ||
2025/06/22 14:18 | upstream | 739a6c93cc75 | d6cdfb8a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | kernel BUG in ext4_ext_insert_extent | ||
2025/04/07 16:06 | upstream | 0af2f6be1b42 | a2ada0e7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-badwrites-root | kernel BUG in ext4_ext_insert_extent |