REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. ================================================================== BUG: KASAN: null-ptr-deref in instrument_atomic_read include/linux/instrumented.h:72 [inline] BUG: KASAN: null-ptr-deref in _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] BUG: KASAN: null-ptr-deref in set_buffer_uptodate include/linux/buffer_head.h:148 [inline] BUG: KASAN: null-ptr-deref in do_journal_end+0x155f/0x4a30 fs/reiserfs/journal.c:4081 Read of size 8 at addr 0000000000000000 by task syz-executor318/5067 CPU: 0 PID: 5067 Comm: syz-executor318 Not tainted 6.2.0-rc2-syzkaller-00010-g69b41ac87e4a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1b1/0x290 lib/dump_stack.c:106 print_report+0xed/0x1f0 mm/kasan/report.c:420 kasan_report+0xcd/0x100 mm/kasan/report.c:517 kasan_check_range+0x2a7/0x2e0 mm/kasan/generic.c:189 instrument_atomic_read include/linux/instrumented.h:72 [inline] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] set_buffer_uptodate include/linux/buffer_head.h:148 [inline] do_journal_end+0x155f/0x4a30 fs/reiserfs/journal.c:4081 reiserfs_sync_fs+0xbb/0x130 fs/reiserfs/super.c:78 sync_filesystem+0xe8/0x220 fs/sync.c:56 generic_shutdown_super+0x6b/0x310 fs/super.c:474 kill_block_super+0x79/0xd0 fs/super.c:1386 deactivate_locked_super+0xa7/0xf0 fs/super.c:332 cleanup_mnt+0x494/0x520 fs/namespace.c:1291 task_work_run+0x243/0x300 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x644/0x2150 kernel/exit.c:867 do_group_exit+0x1fd/0x2b0 kernel/exit.c:1012 __do_sys_exit_group kernel/exit.c:1023 [inline] __se_sys_exit_group kernel/exit.c:1021 [inline] __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1021 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f62bc7a3aa9 Code: Unable to access opcode bytes at 0x7f62bc7a3a7f. RSP: 002b:00007fff632d8308 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f62bc819350 RCX: 00007f62bc7a3aa9 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f62bc813e40 R10: 000080001d00c0d0 R11: 0000000000000246 R12: 00007f62bc819350 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 ==================================================================