(jbd2/loop0-29,4421,1):ocfs2_abort_trigger:574 ERROR: ocfs2_abort_trigger called by JBD2. bh = 0xffff0000c066a488, bh->b_blocknr = 16969 OCFS2: ERROR (device (efault)): void ocfs2_abort_trigger(struct jbd2_buffer_trigger_type *, struct buffer_head *): JBD2 has aborted our journal, ocfs2 cannot continue Unable to handle kernel paging request at virtual address dfff8000000000cf KASAN: null-ptr-deref in range [0x0000000000000678-0x000000000000067f] 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: 1 PID: 4421 Comm: jbd2/loop0-29 Not tainted 6.1.132-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ocfs2_handle_error+0x34/0x224 fs/ocfs2/super.c:2529 lr : ocfs2_handle_error+0x2c/0x224 fs/ocfs2/super.c:2528 sp : ffff8000219874b0 x29: ffff8000219874b0 x28: ffff0000df888000 x27: ffff0000df888768 x26: ffff0000df8880b8 x25: dfff800000000000 x24: ffff700004330ea8 x23: dfff800000000000 x22: ffff800021987560 x21: 0000000000000000 x20: ffff80001527454d x19: 0000000000000678 x18: 1fffe0003679c776 x17: 0000000000000000 x16: ffff8000123287ec x15: 0000000000000000 x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000000001 x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff80000a032f6c x8 : 00000000000000cf x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800021986e18 x4 : ffff800015be5360 x3 : ffff800008587994 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: ocfs2_handle_error+0x34/0x224 fs/ocfs2/super.c:2529 __ocfs2_error+0x114/0x160 fs/ocfs2/super.c:2572 ocfs2_abort_trigger+0x114/0x154 fs/ocfs2/journal.c:576 jbd2_buffer_abort_trigger+0x70/0x94 fs/jbd2/transaction.c:1464 jbd2_journal_commit_transaction+0x1478/0x6528 fs/jbd2/commit.c:623 kjournald2+0x38c/0x6e0 fs/jbd2/journal.c:210 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864 Code: f2fbfff7 9793035e 9119e2b3 d343fe68 (38776908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: f2fbfff7 movk x23, #0xdfff, lsl #48 4: 9793035e bl 0xfffffffffe4c0d7c 8: 9119e2b3 add x19, x21, #0x678 c: d343fe68 lsr x8, x19, #3 * 10: 38776908 ldrb w8, [x8, x23] <-- trapping instruction