rust_kernel: panicked at rust/kernel/sync/poll.rs:54:18:
null pointer dereference occurred
------------[ cut here ]------------
kernel BUG at rust/helpers/bug.c:7!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 8177 Comm: syz.3.2953 Not tainted 6.12.23-syzkaller-g6c1c18fcb8b7 #0 ba78288b1e32eb9f88d3f8d8da6b79a037cd8362
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:rust_helper_BUG+0x8/0x10 rust/helpers/bug.c:7
Code: cc cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 a9 b9 39 93 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 <0f> 0b 66 0f 1f 44 00 00 b8 e3 7d 70 1f 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000642f1d0 EFLAGS: 00010246
RAX: 000000000000005a RBX: 1ffff92000c85e3c RCX: 620d16a802a11a00
RDX: ffffc90009a90000 RSI: 0000000000004b03 RDI: 0000000000004b04
RBP: ffffc9000642f1d0 R08: ffffc9000642eec7 R09: 1ffff92000c85dd8
R10: dffffc0000000000 R11: fffff52000c85dd9 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffc9000642f200 R15: ffffc9000642f230
FS:  00007f9b164666c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 00000001361a8000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __rustc::rust_begin_unwind+0x15b/0x160 rust/kernel/lib.rs:128
 core::panicking::panic_nounwind_fmt::runtime usr/local/rustup/toolchains/1.87.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/panicking.rs:117 [inline]
 core::panicking::panic_nounwind_fmt+0xec/0xf0 usr/local/rustup/toolchains/1.87.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/intrinsics/mod.rs:3241
 core::panicking::panic_null_pointer_dereference+0x49/0x4c usr/local/rustup/toolchains/1.87.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/panicking.rs:304
 <kernel::sync::poll::PollTable>::from_ptr+0x40/0x40 rust/kernel/sync/poll.rs:54
 rust_binder::rust_binder_poll+0xe2/0x570 drivers/android/binder/rust_binder.rs:475
 vfs_poll include/linux/poll.h:92 [inline]
 p9_fd_poll net/9p/trans_fd.c:236 [inline]
 p9_fd_request+0x391/0x520 net/9p/trans_fd.c:688
 p9_client_rpc+0x2f9/0xb40 net/9p/client.c:706
 p9_client_version net/9p/client.c:-1 [inline]
 p9_client_create+0x96a/0x1190 net/9p/client.c:1036
 v9fs_session_init+0x1e1/0x1820 fs/9p/v9fs.c:410
 v9fs_mount+0xd7/0xa00 fs/9p/vfs_super.c:122
 legacy_get_tree+0x103/0x1b0 fs/fs_context.c:662
 vfs_get_tree+0x9e/0x290 fs/super.c:1817
 do_new_mount+0x251/0xb40 fs/namespace.c:3514
 path_mount+0x688/0x1050 fs/namespace.c:3841
 do_mount fs/namespace.c:3854 [inline]
 __do_sys_mount fs/namespace.c:4064 [inline]
 __se_sys_mount+0x2bd/0x480 fs/namespace.c:4041
 __x64_sys_mount+0xc3/0xf0 fs/namespace.c:4041
 x64_sys_call+0x2021/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f9b1558e929
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9b16466038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f9b157b5fa0 RCX: 00007f9b1558e929
RDX: 0000200000000080 RSI: 0000200000000300 RDI: 0000000000000000
RBP: 00007f9b15610b39 R08: 0000200000000340 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f9b157b5fa0 R15: 00007ffce655c9e8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:rust_helper_BUG+0x8/0x10 rust/helpers/bug.c:7
Code: cc cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 a9 b9 39 93 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 <0f> 0b 66 0f 1f 44 00 00 b8 e3 7d 70 1f 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000642f1d0 EFLAGS: 00010246
RAX: 000000000000005a RBX: 1ffff92000c85e3c RCX: 620d16a802a11a00
RDX: ffffc90009a90000 RSI: 0000000000004b03 RDI: 0000000000004b04
RBP: ffffc9000642f1d0 R08: ffffc9000642eec7 R09: 1ffff92000c85dd8
R10: dffffc0000000000 R11: fffff52000c85dd9 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffc9000642f200 R15: ffffc9000642f230
FS:  00007f9b164666c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000030c0 CR3: 00000001361a8000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400