loop2: rw=0, sector=30728, nr_sectors = 8 limit=14901 lbmIODone: I/O error in JFS log *** Log Format Error ! *** lmLogInit: exit(-22) lmLogOpen: exit(-22) ================================================================== 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 txBegin+0x186/0xa10 fs/jfs/jfs_txnmgr.c:366 Read of size 8 at addr 0000000000000040 by task syz-executor.2/6134 CPU: 0 PID: 6134 Comm: syz-executor.2 Not tainted 6.2.0-next-20230303-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106 print_report mm/kasan/report.c:433 [inline] kasan_report+0xec/0x130 mm/kasan/report.c:536 check_region_inline mm/kasan/generic.c:181 [inline] kasan_check_range+0x141/0x190 mm/kasan/generic.c:187 instrument_atomic_read include/linux/instrumented.h:72 [inline] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] txBegin+0x186/0xa10 fs/jfs/jfs_txnmgr.c:366 __jfs_xattr_set+0xa1/0x150 fs/jfs/xattr.c:915 __vfs_setxattr+0x173/0x1e0 fs/xattr.c:203 __vfs_setxattr_noperm+0x129/0x5f0 fs/xattr.c:237 __vfs_setxattr_locked+0x1d3/0x260 fs/xattr.c:298 vfs_setxattr+0x143/0x340 fs/xattr.c:324 do_setxattr+0x147/0x190 fs/xattr.c:609 setxattr+0x146/0x160 fs/xattr.c:632 path_setxattr+0x197/0x1c0 fs/xattr.c:651 __do_sys_setxattr fs/xattr.c:667 [inline] __se_sys_setxattr fs/xattr.c:663 [inline] __x64_sys_setxattr+0xc4/0x160 fs/xattr.c:663 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f0cf288c0f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 RSP: 002b:00007f0cf35ea168 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc RAX: ffffffffffffffda RBX: 00007f0cf29abf80 RCX: 00007f0cf288c0f9 RDX: 0000000020000140 RSI: 0000000020000100 RDI: 0000000020000040 RBP: 00007f0cf28e7ae9 R08: 0000000000000002 R09: 0000000000000000 R10: 0000000000000020 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd2afc97ff R14: 00007f0cf35ea300 R15: 0000000000022000 ==================================================================