BUG: TASK stack guard page was hit at ffffc900022cfff8 (stack is ffffc900022d0000..ffffc900022d4000) Oops: stack guard page: 0000 [#1] PREEMPT SMP NOPTI CPU: 1 UID: 0 PID: 5420 Comm: syz.2.16 Not tainted 6.13.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:__lock_acquire.constprop.0+0x6/0x570 kernel/locking/lockdep.c:5073 Code: 41 5f c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 56 41 55 <41> 54 55 53 48 83 ec 10 44 8b 15 bf 85 b5 03 65 48 8b 1d a3 92 df RSP: 0018:ffffc900022d0000 EFLAGS: 00010006 RAX: 0000000000000001 RBX: ffffffff84a373e0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff84a373e0 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000200 FS: 00007f4728f4b6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc900022cfff8 CR3: 0000000171536000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <#DF> lock_acquire kernel/locking/lockdep.c:5849 [inline] lock_acquire+0xac/0x190 kernel/locking/lockdep.c:5814 fs_reclaim_acquire mm/page_alloc.c:3868 [inline] fs_reclaim_acquire+0x63/0xd0 mm/page_alloc.c:3859 might_alloc include/linux/sched/mm.h:318 [inline] slab_pre_alloc_hook mm/slub.c:4055 [inline] slab_alloc_node mm/slub.c:4133 [inline] kmem_cache_alloc_noprof+0x4f/0x420 mm/slub.c:4160 p9_tag_alloc+0x4c/0x3e0 net/9p/client.c:281 p9_client_prepare_req+0x109/0x280 net/9p/client.c:644 p9_client_rpc+0xc5/0x710 net/9p/client.c:691 p9_client_read_once+0xdf/0x4e0 net/9p/client.c:1575 p9_client_read+0x94/0xc0 net/9p/client.c:1534 v9fs_issue_read+0x59/0x120 fs/9p/vfs_addr.c:76 netfs_retry_read_subrequests fs/netfs/read_retry.c:62 [inline] netfs_retry_reads+0xcb3/0xe40 fs/netfs/read_retry.c:234 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 netfs_retry_reads+0xd04/0xe40 fs/netfs/read_retry.c:237 netfs_rreq_assess+0x51b/0x5b0 fs/netfs/read_collect.c:372 netfs_rreq_terminated+0x9c/0xb0 fs/netfs/read_collect.c:407 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+0x9f6/0xbf0 fs/netfs/direct_read.c:221 netfs_unbuffered_read_iter+0x74/0xa0 fs/netfs/direct_read.c:256 v9fs_file_read_iter+0x64/0x80 fs/9p/vfs_file.c:361 __kernel_read+0x275/0x4d0 fs/read_write.c:523 integrity_kernel_read+0x2f/0x40 security/integrity/iint.c:28 ima_calc_file_hash_tfm+0x13c/0x1f0 security/integrity/ima/ima_crypto.c:480 ima_calc_file_shash security/integrity/ima/ima_crypto.c:511 [inline] ima_calc_file_hash+0xd4/0x240 security/integrity/ima/ima_crypto.c:568 ima_collect_measurement+0x483/0x4d0 security/integrity/ima/ima_api.c:293 process_measurement+0x99b/0x1290 security/integrity/ima/ima_main.c:372 ima_file_check+0x60/0x90 security/integrity/ima/ima_main.c:572 security_file_post_open+0x1b1/0x1e0 security/security.c:3121 do_open fs/namei.c:3830 [inline] path_openat+0x944/0x15d0 fs/namei.c:3987 do_filp_open+0xfe/0x1f0 fs/namei.c:4014 do_sys_openat2+0xf8/0x150 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+0xb3/0x100 fs/open.c:1428 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x6d/0x1a0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4728185d29 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:00007f4728f4b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f4728375fa0 RCX: 00007f4728185d29 RDX: 0000000000020842 RSI: 000000002000c380 RDI: ffffffffffffff9c RBP: 00007f4728201b08 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f4728375fa0 R15: 00007fff0d9dad58 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire.constprop.0+0x6/0x570 kernel/locking/lockdep.c:5073 Code: 41 5f c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 56 41 55 <41> 54 55 53 48 83 ec 10 44 8b 15 bf 85 b5 03 65 48 8b 1d a3 92 df RSP: 0018:ffffc900022d0000 EFLAGS: 00010006 RAX: 0000000000000001 RBX: ffffffff84a373e0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff84a373e0 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000200 FS: 00007f4728f4b6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc900022cfff8 CR3: 0000000171536000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 41 5f pop %r15 2: c3 ret 3: cc int3 4: cc int3 5: cc int3 6: cc int3 7: 66 66 2e 0f 1f 84 00 data16 cs nopw 0x0(%rax,%rax,1) e: 00 00 00 00 12: 66 90 xchg %ax,%ax 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: 90 nop 24: 41 57 push %r15 26: 41 56 push %r14 28: 41 55 push %r13 * 2a: 41 54 push %r12 <-- trapping instruction 2c: 55 push %rbp 2d: 53 push %rbx 2e: 48 83 ec 10 sub $0x10,%rsp 32: 44 8b 15 bf 85 b5 03 mov 0x3b585bf(%rip),%r10d # 0x3b585f8 39: 65 gs 3a: 48 rex.W 3b: 8b .byte 0x8b 3c: 1d .byte 0x1d 3d: a3 .byte 0xa3 3e: 92 xchg %eax,%edx 3f: df .byte 0xdf