slab dentry start ffff88805979da70 pointer offset 296 size 312
BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 8000000033b9b067 P4D 8000000033b9b067 PUD 0 
Oops: Oops: 0010 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.14.0-rc3-syzkaller-g0ad2507d5d93 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0000:ffffc90000157978 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 1ffff1100b2f3b74 RCX: cd7ac708bf571c00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffff88805979db98
RBP: ffffc90000157bb0 R08: ffffffff81a1102c R09: 1ffffffff207778e
R10: dffffc0000000000 R11: 0000000000000000 R12: ffffffff81a8d2c7
R13: ffff88805979dba0 R14: 0000000000000000 R15: ffff88805979db98
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 0000000034eec000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rcu_do_batch kernel/rcu/tree.c:2546 [inline]
 rcu_core+0xaaa/0x17a0 kernel/rcu/tree.c:2802
 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561
 run_ksoftirqd+0xca/0x130 kernel/softirq.c:950
 smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Modules linked in:
CR2: 0000000000000000
---[ end trace 0000000000000000 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0000:ffffc90000157978 EFLAGS: 00010246

RAX: dffffc0000000000 RBX: 1ffff1100b2f3b74 RCX: cd7ac708bf571c00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffff88805979db98
RBP: ffffc90000157bb0 R08: ffffffff81a1102c R09: 1ffffffff207778e
R10: dffffc0000000000 R11: 0000000000000000 R12: ffffffff81a8d2c7
R13: ffff88805979dba0 R14: 0000000000000000 R15: ffff88805979db98
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 0000000034eec000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400