BUG: TASK stack guard page was hit at ffffc9000357ffb8 (stack is ffffc90003580000..ffffc90003588000) Oops: stack guard page: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5812 Comm: syz-executor398 Not tainted 6.13.0-rc7-syzkaller-00209-g9528d418de4d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:arch_stack_walk+0x42/0x100 arch/x86/kernel/stacktrace.c:18 Code: 55 49 89 f5 41 54 49 89 fc 53 48 8d 9d 70 ff ff ff 48 83 ec 68 48 89 df 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 4d 85 f6 48 ab 0f 84 86 00 00 00 49 8b b6 80 00 00 00 4c 89 ef 41 ff d4 RSP: 0018:ffffc9000357ffc8 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffffc9000357ffc8 RCX: 000000000000000c RDX: ffff888026150000 RSI: ffffc90003580088 RDI: ffffc9000357ffc8 RBP: ffffc90003580058 R08: 0000000000000005 R09: 0000000000000000 R10: ffff88802672e608 R11: 0000000000000003 R12: ffffffff8185d0b0 R13: ffffc90003580088 R14: 0000000000000000 R15: ffff888026150000 FS: 0000555572d17480(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9000357ffb8 CR3: 000000002f146000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <#DF> stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 unpoison_slab_object mm/kasan/common.c:319 [inline] __kasan_slab_alloc+0x89/0x90 mm/kasan/common.c:345 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4119 [inline] slab_alloc_node mm/slub.c:4168 [inline] kmem_cache_alloc_noprof+0x226/0x3d0 mm/slub.c:4175 radix_tree_node_alloc.constprop.0+0x1e8/0x350 lib/radix-tree.c:253 idr_get_free+0x528/0xa40 lib/radix-tree.c:1506 idr_alloc_u32+0x191/0x2f0 lib/idr.c:46 idr_alloc+0xc1/0x130 lib/idr.c:87 p9_tag_alloc+0x394/0x870 net/9p/client.c:321 p9_client_prepare_req+0x19f/0x4d0 net/9p/client.c:644 p9_client_rpc+0x1c3/0xc10 net/9p/client.c:691 p9_client_read_once+0x24f/0x820 net/9p/client.c:1575 p9_client_read+0x13f/0x1b0 net/9p/client.c:1534 v9fs_issue_read+0x115/0x340 fs/9p/vfs_addr.c:76 netfs_retry_read_subrequests fs/netfs/read_retry.c:62 [inline] netfs_retry_reads+0x1512/0x1d40 fs/netfs/read_retry.c:235 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_retry_reads+0x15a4/0x1d40 fs/netfs/read_retry.c:238 netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374 netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409 netfs_dispatch_unbuffered_reads fs/netfs/direct_read.c:103 [inline] netfs_unbuffered_read fs/netfs/direct_read.c:127 [inline] netfs_unbuffered_read_iter_locked+0x12e1/0x19a0 fs/netfs/direct_read.c:221 netfs_unbuffered_read_iter+0xc5/0x100 fs/netfs/direct_read.c:256 v9fs_file_read_iter+0xbf/0x100 fs/9p/vfs_file.c:361 __kernel_read+0x3f1/0xb50 fs/read_write.c:523 integrity_kernel_read+0x7f/0xb0 security/integrity/iint.c:28 ima_calc_file_hash_tfm+0x2c9/0x3e0 security/integrity/ima/ima_crypto.c:480 ima_calc_file_shash security/integrity/ima/ima_crypto.c:511 [inline] ima_calc_file_hash+0x1ba/0x490 security/integrity/ima/ima_crypto.c:568 ima_collect_measurement+0x89f/0xa40 security/integrity/ima/ima_api.c:293 process_measurement+0x1271/0x2370 security/integrity/ima/ima_main.c:372 ima_file_check+0xbd/0x100 security/integrity/ima/ima_main.c:572 security_file_post_open+0x8e/0x210 security/security.c:3121 do_open fs/namei.c:3830 [inline] path_openat+0x1419/0x2d60 fs/namei.c:3987 do_filp_open+0x20c/0x470 fs/namei.c:4014 do_sys_openat2+0x17a/0x1e0 fs/open.c:1402 do_sys_open fs/open.c:1417 [inline] __do_sys_openat fs/open.c:1433 [inline] __se_sys_openat fs/open.c:1428 [inline] __x64_sys_openat+0x175/0x210 fs/open.c:1428 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f07fa15f209 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffcfd0e9bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f07fa15f209 RDX: 0000000000020842 RSI: 000000002000c380 RDI: 00000000ffffff9c RBP: 00007f07fa1af21b R08: 00007f07fa1af24b R09: 00007f07fa1af24b R10: 0000000000000000 R11: 0000000000000246 R12: 00007f07fa1af1a0 R13: 0000000000000003 R14: 0000000000050012 R15: 000000000000000c Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:arch_stack_walk+0x42/0x100 arch/x86/kernel/stacktrace.c:18 Code: 55 49 89 f5 41 54 49 89 fc 53 48 8d 9d 70 ff ff ff 48 83 ec 68 48 89 df 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 4d 85 f6 48 ab 0f 84 86 00 00 00 49 8b b6 80 00 00 00 4c 89 ef 41 ff d4 RSP: 0018:ffffc9000357ffc8 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffffc9000357ffc8 RCX: 000000000000000c RDX: ffff888026150000 RSI: ffffc90003580088 RDI: ffffc9000357ffc8 RBP: ffffc90003580058 R08: 0000000000000005 R09: 0000000000000000 R10: ffff88802672e608 R11: 0000000000000003 R12: ffffffff8185d0b0 R13: ffffc90003580088 R14: 0000000000000000 R15: ffff888026150000 FS: 0000555572d17480(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9000357ffb8 CR3: 000000002f146000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 55 push %rbp 1: 49 89 f5 mov %rsi,%r13 4: 41 54 push %r12 6: 49 89 fc mov %rdi,%r12 9: 53 push %rbx a: 48 8d 9d 70 ff ff ff lea -0x90(%rbp),%rbx 11: 48 83 ec 68 sub $0x68,%rsp 15: 48 89 df mov %rbx,%rdi 18: 65 48 8b 04 25 28 00 mov %gs:0x28,%rax 1f: 00 00 21: 48 89 45 d0 mov %rax,-0x30(%rbp) 25: 31 c0 xor %eax,%eax 27: 4d 85 f6 test %r14,%r14 * 2a: f3 48 ab rep stos %rax,%es:(%rdi) <-- trapping instruction 2d: 0f 84 86 00 00 00 je 0xb9 33: 49 8b b6 80 00 00 00 mov 0x80(%r14),%rsi 3a: 4c 89 ef mov %r13,%rdi 3d: 41 ff d4 call *%r12