lbmIODone: I/O error in JFS log *** Log Format Error ! *** lmLogInit: exit(-22) lmLogOpen: exit(-22) jfs_dirty_inode called on read-only volume Is remount racy? Unable to handle kernel paging request at virtual address dfff800000000008 KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047] Mem abort info: ESR = 0x0000000096000006 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x06: level 2 translation fault Data abort info: ISV = 0, ISS = 0x00000006 CM = 0, WnR = 0 [dfff800000000008] address between user and kernel address ranges Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 4297 Comm: syz-executor264 Not tainted 6.1.119-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : generic_test_bit include/asm-generic/bitops/generic-non-atomic.h:128 [inline] pc : txBeginAnon+0xac/0x154 fs/jfs/jfs_txnmgr.c:465 lr : spin_lock include/linux/spinlock.h:351 [inline] lr : txBeginAnon+0x78/0x154 fs/jfs/jfs_txnmgr.c:458 sp : ffff800021177240 x29: ffff800021177240 x28: ffff80001cdde108 x27: ffff80001cddd000 x26: ffff80001cdde000 x25: 0000000000000008 x24: 0000000000000150 x23: dfff800000000000 x22: 0000000000000001 x21: 0000000000000000 x20: 0000000000000040 x19: ffff8000160357a0 x18: ffff800021176f40 x17: ffff800018b6a000 x16: ffff8000083192b4 x15: ffff80001864af80 x14: 0000000084a3eeff x13: dfff800000000000 x12: ffff70000422ee30 x11: 1ffff0000422ee30 x10: 0000000000000004 x9 : 64a2b657d4ddb500 x8 : 64a2b657d4ddb500 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff800018ca38a0 x4 : 0000000000000008 x3 : ffff8000083193e4 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: txBeginAnon+0xac/0x154 extAlloc+0xe8/0xdec fs/jfs/jfs_extent.c:78 jfs_get_block+0x340/0xb98 fs/jfs/inode.c:248 __block_write_begin_int+0x340/0x13b4 fs/buffer.c:1991 __block_write_begin fs/buffer.c:2041 [inline] block_write_begin+0x98/0x11c fs/buffer.c:2102 jfs_write_begin+0x44/0x88 fs/jfs/inode.c:304 generic_perform_write+0x278/0x55c mm/filemap.c:3845 __generic_file_write_iter+0x168/0x388 mm/filemap.c:3973 generic_file_write_iter+0xb8/0x2b4 mm/filemap.c:4005 do_iter_write+0x534/0x964 fs/read_write.c:861 vfs_writev fs/read_write.c:934 [inline] do_pwritev+0x1ec/0x334 fs/read_write.c:1031 __do_sys_pwritev2 fs/read_write.c:1090 [inline] __se_sys_pwritev2 fs/read_write.c:1081 [inline] __arm64_sys_pwritev2+0xd4/0x108 fs/read_write.c:1081 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Code: aa1803e0 97ffff65 aa1303e0 959329b1 (38776b28) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: aa1803e0 mov x0, x24 4: 97ffff65 bl 0xfffffffffffffd98 8: aa1303e0 mov x0, x19 c: 959329b1 bl 0x64ca6d0 * 10: 38776b28 ldrb w8, [x25, x23] <-- trapping instruction