Title | Replies (including bot) | Last reply |
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[syzbot] [reiserfs?] KASAN: null-ptr-deref Read in __wait_on_buffer | 0 (1) | 2023/04/14 09:50 |
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Title | Replies (including bot) | Last reply |
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[syzbot] [reiserfs?] KASAN: null-ptr-deref Read in __wait_on_buffer | 0 (1) | 2023/04/14 09:50 |
================================================================== BUG: KASAN: null-ptr-deref in instrument_atomic_read include/linux/instrumented.h:68 [inline] BUG: KASAN: null-ptr-deref in _test_bit_acquire include/asm-generic/bitops/instrumented-non-atomic.h:153 [inline] BUG: KASAN: null-ptr-deref in wait_on_bit_io include/linux/wait_bit.h:99 [inline] BUG: KASAN: null-ptr-deref in __wait_on_buffer+0x33/0x90 fs/buffer.c:123 Read of size 8 at addr 0000000000000000 by task kworker/1:10/5422 CPU: 1 PID: 5422 Comm: kworker/1:10 Not tainted 6.4.0-rc2-syzkaller-00238-gcbd6ac3837cd #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 Workqueue: reiserfs/loop0 flush_async_commits Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 print_report+0xe6/0x540 mm/kasan/report.c:465 kasan_report+0x176/0x1b0 mm/kasan/report.c:572 kasan_check_range+0x283/0x290 mm/kasan/generic.c:187 instrument_atomic_read include/linux/instrumented.h:68 [inline] _test_bit_acquire include/asm-generic/bitops/instrumented-non-atomic.h:153 [inline] wait_on_bit_io include/linux/wait_bit.h:99 [inline] __wait_on_buffer+0x33/0x90 fs/buffer.c:123 flush_commit_list+0xd8a/0x1bf0 fs/reiserfs/journal.c:1072 flush_older_commits fs/reiserfs/journal.c:919 [inline] flush_commit_list+0x3d1/0x1bf0 fs/reiserfs/journal.c:997 flush_async_commits+0xa4/0xc0 fs/reiserfs/journal.c:3552 process_one_work+0x8a0/0x10e0 kernel/workqueue.c:2405 worker_thread+0xa63/0x1210 kernel/workqueue.c:2552 kthread+0x2b8/0x350 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 </TASK> ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/05/20 03:08 | upstream | cbd6ac3837cd | 96689200 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | KASAN: null-ptr-deref Read in __wait_on_buffer | ||
2023/05/18 13:20 | upstream | 4d6d4c7f541d | 3bb7af1d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | KASAN: null-ptr-deref Read in __wait_on_buffer | ||
2023/04/10 09:44 | upstream | 09a9639e56c0 | 71147e29 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | KASAN: null-ptr-deref Read in __wait_on_buffer |