find_entry called with index = 0 jfs_dirty_inode called on read-only volume Is remount racy? jfs_dirty_inode called on read-only volume Is remount racy? Unable to handle kernel paging request at virtual address dfff8000000000cf 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 [dfff8000000000cf] address between user and kernel address ranges Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 4970 Comm: syz.0.16 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : JFS_SBI fs/jfs/jfs_incore.h:217 [inline] pc : txEnd+0xbc/0x500 fs/jfs/jfs_txnmgr.c:507 lr : txEnd+0x98/0x500 fs/jfs/jfs_txnmgr.c:505 sp : ffff80001ffd7560 x29: ffff80001ffd7560 x28: ffff700003ffaec0 x27: ffff8000147f1000 x26: 1ffff000028fe204 x25: dfff800000000000 x24: ffff8000147f1000 x23: ffff80001ffd7600 x22: 0000000000000110 x21: ffff80001e999000 x20: 0000000000000000 x19: 0000000000000678 x18: 0000000000000001 x17: ffff800016e24000 x16: ffff8000082c2cc0 x15: ffff800016904500 x14: 0000000000000003 x13: 1ffff00003ffae3c x12: 0000000000ff0100 x11: 0000000000000002 x10: 0000000000000002 x9 : 238326f64df42800 x8 : 00000000000000cf x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff80001ffd74a0 x4 : 0000000000000000 x3 : 0000000000000010 x2 : 0000000000000006 x1 : ffff8000113ab3c0 x0 : 0000000000000001 Call trace: JFS_SBI fs/jfs/jfs_incore.h:217 [inline] txEnd+0xbc/0x500 fs/jfs/jfs_txnmgr.c:507 jfs_create+0x28c/0x920 fs/jfs/namei.c:159 lookup_open fs/namei.c:3470 [inline] open_last_lookups fs/namei.c:3540 [inline] path_openat+0xe18/0x2718 fs/namei.c:3747 do_filp_open+0x184/0x368 fs/namei.c:3777 do_sys_openat2+0x134/0x3f4 fs/open.c:1255 do_sys_open fs/open.c:1271 [inline] __do_sys_openat fs/open.c:1287 [inline] __se_sys_openat fs/open.c:1282 [inline] __arm64_sys_openat+0x118/0x14c fs/open.c:1282 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Code: 97c1758c f9400268 9119e113 d343fe68 (38796908) ---[ end trace 15d8f3af16616a1f ]--- ---------------- Code disassembly (best guess): 0: 97c1758c bl 0xffffffffff05d630 4: f9400268 ldr x8, [x19] 8: 9119e113 add x19, x8, #0x678 c: d343fe68 lsr x8, x19, #3 * 10: 38796908 ldrb w8, [x8, x25] <-- trapping instruction