syzbot |
sign-in | mailing list | source | docs |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2024/09/16 16:40 | 16m | retest repro | android13-5.10-lts | report log | |
2024/09/16 16:40 | 8m | retest repro | android13-5.10-lts | report log | |
2024/09/16 16:40 | 16m | retest repro | android13-5.10-lts | report log | |
2024/08/19 18:56 | 5m | retest repro | android13-5.10-lts | report log | |
2024/08/05 18:46 | 7m | retest repro | android13-5.10-lts | report log | |
2024/06/24 21:24 | 5m | retest repro | android13-5.10-lts | report log | |
2024/06/24 21:24 | 5m | retest repro | android13-5.10-lts | report log | |
2024/06/10 18:42 | 16m | retest repro | android13-5.10-lts | report log | |
2024/06/10 18:42 | 8m | retest repro | android13-5.10-lts | report log | |
2024/05/27 18:16 | 5m | retest repro | android13-5.10-lts | report log |
================================================================== BUG: KASAN: use-after-free in ext4_ext_binsearch fs/ext4/extents.c:826 [inline] BUG: KASAN: use-after-free in ext4_find_extent+0xba3/0xd80 fs/ext4/extents.c:945 Read of size 4 at addr ffff88811dc4302c by task kworker/u4:1/9 CPU: 1 PID: 9 Comm: kworker/u4:1 Not tainted 5.10.161-syzkaller-00019-g416c4356f372 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Workqueue: writeback wb_workfn (flush-7:0) Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118 print_address_description+0x81/0x3c0 mm/kasan/report.c:233 __kasan_report mm/kasan/report.c:419 [inline] kasan_report+0x1a4/0x1f0 mm/kasan/report.c:436 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308 ext4_ext_binsearch fs/ext4/extents.c:826 [inline] ext4_find_extent+0xba3/0xd80 fs/ext4/extents.c:945 ext4_ext_map_blocks+0x219/0x3a30 fs/ext4/extents.c:4097 ext4_map_blocks+0xa93/0x1ee0 fs/ext4/inode.c:638 mpage_map_one_extent+0x1bd/0x680 fs/ext4/inode.c:2441 mpage_map_and_submit_extent fs/ext4/inode.c:2494 [inline] ext4_writepages+0x15e9/0x3710 fs/ext4/inode.c:2862 do_writepages+0x13a/0x280 mm/page-writeback.c:2358 __writeback_single_inode+0xb8/0x6e0 fs/fs-writeback.c:1467 writeback_sb_inodes+0x999/0x1700 fs/fs-writeback.c:1730 wb_writeback+0x42f/0xc20 fs/fs-writeback.c:1905 wb_do_writeback+0x222/0xbd0 fs/fs-writeback.c:2050 wb_workfn+0xf8/0x3f0 fs/fs-writeback.c:2091 process_one_work+0x726/0xc10 kernel/workqueue.c:2296 worker_thread+0xb27/0x1550 kernel/workqueue.c:2442 kthread+0x349/0x3d0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:299 The buggy address belongs to the page: page:ffffea00047710c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x11dc43 flags: 0x8000000000000000() raw: 8000000000000000 dead000000000100 dead000000000122 0000000000000000 raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as freed page last allocated via order 0, migratetype Movable, gfp_mask 0x3100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO|0x2000000), pid 297, ts 12920941513, free_ts 12928566451 set_page_owner include/linux/page_owner.h:35 [inline] post_alloc_hook mm/page_alloc.c:2386 [inline] prep_new_page mm/page_alloc.c:2392 [inline] get_page_from_freelist+0x755/0x810 mm/page_alloc.c:4073 __alloc_pages_nodemask+0x3b6/0x890 mm/page_alloc.c:5160 __alloc_pages include/linux/gfp.h:529 [inline] __alloc_pages_node include/linux/gfp.h:542 [inline] alloc_pages_node include/linux/gfp.h:556 [inline] alloc_pages include/linux/gfp.h:575 [inline] do_anonymous_page+0x307/0x1050 mm/memory.c:3922 handle_pte_fault+0x4cd/0x9d0 mm/memory.c:4735 __handle_mm_fault mm/memory.c:4895 [inline] handle_mm_fault+0xf22/0x19f0 mm/memory.c:5259 do_user_addr_fault+0x67e/0xce0 arch/x86/mm/fault.c:1396 handle_page_fault arch/x86/mm/fault.c:1462 [inline] exc_page_fault+0x71/0x1b0 arch/x86/mm/fault.c:1518 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:571 page last free stack trace: reset_page_owner include/linux/page_owner.h:28 [inline] free_pages_prepare mm/page_alloc.c:1332 [inline] free_pcp_prepare+0x18c/0x1c0 mm/page_alloc.c:1406 free_unref_page_prepare mm/page_alloc.c:3293 [inline] free_unref_page_list+0x11d/0x660 mm/page_alloc.c:3367 release_pages+0xc24/0xc60 mm/swap.c:1082 free_pages_and_swap_cache+0x97/0xb0 mm/swap_state.c:356 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline] tlb_flush_mmu_free mm/mmu_gather.c:240 [inline] tlb_flush_mmu+0x8a0/0xa80 mm/mmu_gather.c:247 tlb_finish_mmu+0xd2/0x1f0 mm/mmu_gather.c:326 unmap_region+0x346/0x390 mm/mmap.c:2798 __do_munmap+0x696/0x8c0 mm/mmap.c:3027 __vm_munmap mm/mmap.c:3050 [inline] __do_sys_munmap mm/mmap.c:3076 [inline] __se_sys_munmap+0x121/0x1b0 mm/mmap.c:3072 __x64_sys_munmap+0x5b/0x70 mm/mmap.c:3072 do_syscall_64+0x34/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 Memory state around the buggy address: ffff88811dc42f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff88811dc42f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >ffff88811dc43000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff88811dc43080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff88811dc43100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ================================================================== ------------[ cut here ]------------ kernel BUG at fs/ext4/inode.c:2453! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 9 Comm: kworker/u4:1 Tainted: G B 5.10.161-syzkaller-00019-g416c4356f372 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Workqueue: writeback wb_workfn (flush-7:0) RIP: 0010:mpage_map_one_extent+0x5df/0x680 fs/ext4/inode.c:2453 Code: f6 48 0f a3 05 62 7b c1 04 0f 92 c3 40 0f 92 c6 31 ff e8 b4 a3 8f ff 84 db 75 11 e8 9b a0 8f ff e9 74 fa ff ff e8 91 a0 8f ff <0f> 0b 65 ff 05 64 ec 24 7e 48 c7 c0 68 cf 9c 86 48 c1 e8 03 42 80 RSP: 0018:ffffc90000097068 EFLAGS: 00010293 RAX: ffffffff81dd811f RBX: 0000000000000000 RCX: ffff88810023bb40 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900000970b0 R08: ffffffff81dd7fa8 R09: ffffed1021d64843 R10: ffffed1021d64843 R11: 1ffff11021d64842 R12: 0000000000000000 R13: ffffc900000973b4 R14: 0000000000000000 R15: 1ffff92000012e77 FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f35449cbb8 CR3: 000000010ca6e000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mpage_map_and_submit_extent fs/ext4/inode.c:2494 [inline] ext4_writepages+0x15e9/0x3710 fs/ext4/inode.c:2862 do_writepages+0x13a/0x280 mm/page-writeback.c:2358 __writeback_single_inode+0xb8/0x6e0 fs/fs-writeback.c:1467 writeback_sb_inodes+0x999/0x1700 fs/fs-writeback.c:1730 wb_writeback+0x42f/0xc20 fs/fs-writeback.c:1905 wb_do_writeback+0x222/0xbd0 fs/fs-writeback.c:2050 wb_workfn+0xf8/0x3f0 fs/fs-writeback.c:2091 process_one_work+0x726/0xc10 kernel/workqueue.c:2296 worker_thread+0xb27/0x1550 kernel/workqueue.c:2442 kthread+0x349/0x3d0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:299 Modules linked in: ---[ end trace 483450afbef76f28 ]--- RIP: 0010:mpage_map_one_extent+0x5df/0x680 fs/ext4/inode.c:2453 Code: f6 48 0f a3 05 62 7b c1 04 0f 92 c3 40 0f 92 c6 31 ff e8 b4 a3 8f ff 84 db 75 11 e8 9b a0 8f ff e9 74 fa ff ff e8 91 a0 8f ff <0f> 0b 65 ff 05 64 ec 24 7e 48 c7 c0 68 cf 9c 86 48 c1 e8 03 42 80 RSP: 0018:ffffc90000097068 EFLAGS: 00010293 RAX: ffffffff81dd811f RBX: 0000000000000000 RCX: ffff88810023bb40 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900000970b0 R08: ffffffff81dd7fa8 R09: ffffed1021d64843 R10: ffffed1021d64843 R11: 1ffff11021d64842 R12: 0000000000000000 R13: ffffc900000973b4 R14: 0000000000000000 R15: 1ffff92000012e77 FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e49407e058 CR3: 000000010c555000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/04/01 05:47 | android12-5.10-lts | 416c4356f372 | f325deb0 | .config | strace log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | |
2023/03/19 01:42 | android12-5.10-lts | 416c4356f372 | 7939252e | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | |
2022/12/21 09:05 | android12-5.10-lts | 003c389455eb | d3e76707 | .config | strace log | report | syz | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2022/12/12 16:05 | android12-5.10-lts | f3226d86f8ce | 67be1ae7 | .config | strace log | report | syz | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2022/12/04 17:23 | android12-5.10-lts | 25af5a11f1da | e080de16 | .config | strace log | report | syz | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2022/12/26 07:48 | android12-5.10-lts | 003c389455eb | 9da18ae8 | .config | strace log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | |
2024/10/08 01:40 | android13-5.10-lts | e5e5644ea27f | d7906eff | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2024/10/05 09:57 | android13-5.10-lts | e5e5644ea27f | d7906eff | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2024/09/02 16:32 | android13-5.10-lts | 1c5354a314ea | 1eda0d14 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2023/09/10 01:17 | android13-5.10-lts | a27512601c2d | 6654cf89 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2023/09/09 20:25 | android13-5.10-lts | a27512601c2d | 6654cf89 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2023/06/12 10:23 | android13-5.10-lts | 43c801dc3325 | 49519f06 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2023/05/22 05:46 | android13-5.10-lts | 43c801dc3325 | 4bce1a3e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2023/04/26 09:25 | android12-5.10-lts | 416c4356f372 | 65320f8e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2023/04/06 18:08 | android12-5.10-lts | 416c4356f372 | 08707520 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2023/04/04 06:55 | android12-5.10-lts | 416c4356f372 | 41147e3e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2023/03/28 08:43 | android12-5.10-lts | 416c4356f372 | 47f3aaf1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2023/03/27 18:47 | android12-5.10-lts | 416c4356f372 | f8f96aa9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2023/03/16 12:53 | android12-5.10-lts | 416c4356f372 | 18b58603 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2023/03/14 03:54 | android12-5.10-lts | 416c4356f372 | 026e2200 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2023/03/11 04:18 | android12-5.10-lts | 416c4356f372 | 5205ef30 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2023/02/24 17:51 | android12-5.10-lts | 416c4356f372 | ee50e71c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2022/12/14 02:10 | android12-5.10-lts | 202ee063496e | f6511626 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2023/03/03 01:51 | android12-5.10-lts | 416c4356f372 | f8902b57 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: slab-out-of-bounds Read in ext4_find_extent |