[ 45.902985] ------------[ cut here ]------------ [ 45.903927] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.905972] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 45.907440] Modules linked in: [ 45.908098] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.910107] Tainted: [W]=WARN [ 45.910698] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.912191] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.913115] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 45.916328] RSP: 0018:ffff8880172cfbc0 EFLAGS: 00010286 [ 45.917310] RAX: 0000000000000000 RBX: ffffed1002e59f78 RCX: ffffffff813a4050 [ 45.918599] RDX: ffff888017fa1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.919901] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e59f2f [ 45.921192] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.922481] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880172cfdf8 [ 45.923790] FS: 00007f9e1acb9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.925240] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.926306] CR2: 00007ffe652e3ef7 CR3: 000000000d080000 CR4: 0000000000350ef0 [ 45.927613] Call Trace: [ 45.928085] [ 45.928496] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.929401] ? __create_object+0x59/0x80 [ 45.930193] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.931173] __vmalloc_noprof+0x59/0x60 [ 45.931950] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.932822] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.933759] bpf_prog_alloc+0x39/0x200 [ 45.934460] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.935385] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.936303] do_seccomp+0x349/0x25e0 [ 45.937017] ? find_held_lock+0x2b/0x80 [ 45.937766] ? do_prlimit+0x310/0x610 [ 45.938471] ? __pfx_do_seccomp+0x10/0x10 [ 45.939253] ? do_raw_spin_unlock+0x53/0x220 [ 45.940094] ? _raw_spin_unlock+0x1e/0x40 [ 45.940879] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.941829] ? static_key_count+0x60/0x80 [ 45.942623] prctl_set_seccomp+0x4e/0x70 [ 45.943357] __do_sys_prctl+0xe6c/0x1d70 [ 45.944145] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.945013] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.945979] ? irqentry_exit+0xf3/0x650 [ 45.946739] do_syscall_64+0xbf/0x430 [ 45.947430] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.948392] RIP: 0033:0x7f9e1b1ab5cd [ 45.949073] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 Debian GNU/Linux 11 syzkaller ttyS0[ 45.952371] RSP: 002b:00007ffe652e1db0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d syzkaller login: [ 45.954720] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9e1b1ab5cd [ 45.956339] RDX: 000056173af9fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.957421] RBP: 00007ffe652e1e10 R08: 0000000000000000 R09: 00007ffe652e14b0 [ 45.958503] R10: 0000000000000000 R11: 0000000000000246 R12: 00005617685c4ad0 [ 45.959595] R13: 00007ffe652e2240 R14: 00005617685c5bc0 R15: 00005617685d6780 [ 45.960681] [ 45.961042] irq event stamp: 1791 [ 45.961542] hardirqs last enabled at (1799): [] __up_console_sem+0x78/0x80 [ 45.962857] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 45.964140] softirqs last enabled at (1686): [] handle_softirqs+0x50c/0x770 [ 45.965445] softirqs last disabled at (1669): [] __irq_exit_rcu+0xc4/0x100 [ 45.966723] ---[ end trace 0000000000000000 ]--- [ 49.102243] ------------[ cut here ]------------ [ 49.103176] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.105455] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 49.106937] Modules linked in: [ 49.107530] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.109818] Tainted: [W]=WARN [ 49.110380] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.111930] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.112852] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 49.116054] RSP: 0018:ffff888016cefbc0 EFLAGS: 00010286 [ 49.117020] RAX: 0000000000000000 RBX: ffffed1002d9df78 RCX: ffffffff813a4050 [ 49.118311] RDX: ffff8880176f3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.119629] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d9df2f [ 49.120918] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.122215] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016cefdf8 [ 49.123513] FS: 00007f8e2f953900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.125005] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.126091] CR2: 00007f8e2fe45580 CR3: 0000000020fed000 CR4: 0000000000350ef0 [ 49.127417] Call Trace: [ 49.127942] [ 49.128366] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.129287] ? __create_object+0x59/0x80 [ 49.130208] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.131192] __vmalloc_noprof+0x59/0x60 [ 49.131972] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.132860] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.133809] bpf_prog_alloc+0x39/0x200 [ 49.134520] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.135471] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.136401] do_seccomp+0x349/0x25e0 [ 49.137135] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.138056] ? __pfx_do_seccomp+0x10/0x10 [ 49.138861] ? find_held_lock+0x2b/0x80 [ 49.139648] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.140635] ? static_key_count+0x60/0x80 [ 49.141413] prctl_set_seccomp+0x4e/0x70 [ 49.142206] __do_sys_prctl+0xe6c/0x1d70 [ 49.143007] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.143892] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.144865] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.145841] ? irqentry_exit+0xf3/0x650 [ 49.146615] do_syscall_64+0xbf/0x430 [ 49.147320] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.148291] RIP: 0033:0x7f8e2fe455cd [ 49.149007] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 49.152274] RSP: 002b:00007ffd6d3435c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.153795] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8e2fe455cd [ 49.155193] RDX: 0000557f64446e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.156606] RBP: 00007ffd6d343620 R08: 0000000000000000 R09: 00007ffd6d342cc0 [ 49.157821] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557fa4196240 [ 49.159038] R13: 00007ffd6d343a50 R14: 0000557fa4195bf0 R15: 0000557fa41aa4d0 [ 49.160318] [ 49.160765] irq event stamp: 1787 [ 49.161362] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 49.162871] hardirqs last disabled at (1804): [] __up_console_sem+0x5d/0x80 [ 49.164371] softirqs last enabled at (1640): [] handle_softirqs+0x50c/0x770 [ 49.165876] softirqs last disabled at (1635): [] __irq_exit_rcu+0xc4/0x100 [ 49.167362] ---[ end trace 0000000000000000 ]--- [ 49.827066] ------------[ cut here ]------------ [ 49.828047] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.830097] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 49.831629] Modules linked in: [ 49.832233] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.834252] Tainted: [W]=WARN [ 49.834851] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.836336] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.837256] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 49.840461] RSP: 0018:ffff88801b7a7bc0 EFLAGS: 00010286 [ 49.841447] RAX: 0000000000000000 RBX: ffffed10036f4f78 RCX: ffffffff813a4050 [ 49.842734] RDX: ffff88800f055340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.844049] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10036f4f2f [ 49.845337] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.846609] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b7a7df8 [ 49.847899] FS: 00007f768b9e4900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.849331] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.850386] CR2: 00007f768bed6580 CR3: 000000000b742000 CR4: 0000000000350ef0 [ 49.851666] Call Trace: [ 49.852143] [ 49.852601] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.853467] ? __create_object+0x59/0x80 [ 49.854250] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.855235] __vmalloc_noprof+0x59/0x60 [ 49.856013] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.856890] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.857829] bpf_prog_alloc+0x39/0x200 [ 49.858538] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.859500] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.860437] do_seccomp+0x349/0x25e0 [ 49.861161] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.862068] ? __pfx_do_seccomp+0x10/0x10 [ 49.862859] ? find_held_lock+0x2b/0x80 [ 49.863630] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.864605] ? static_key_count+0x60/0x80 [ 49.865367] prctl_set_seccomp+0x4e/0x70 [ 49.866147] __do_sys_prctl+0xe6c/0x1d70 [ 49.866931] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.867793] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.868772] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.869751] ? irqentry_exit+0xf3/0x650 [ 49.870486] do_syscall_64+0xbf/0x430 [ 49.871228] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.872201] RIP: 0033:0x7f768bed65cd [ 49.872916] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 49.876194] RSP: 002b:00007ffc51dfc130 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.877601] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f768bed65cd [ 49.878918] RDX: 0000558a8dc7fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.880249] RBP: 00007ffc51dfc190 R08: 0000000000000000 R09: 00007ffc51dfb830 [ 49.881583] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558abe3cead0 [ 49.882899] R13: 00007ffc51dfc5c0 R14: 0000558abe3cfbc0 R15: 0000558abe3e0780 [ 49.884246] [ 49.884711] irq event stamp: 1777 [ 49.885340] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 49.886912] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 49.888280] softirqs last enabled at (1686): [] handle_softirqs+0x50c/0x770 [ 49.889245] softirqs last disabled at (1681): [] __irq_exit_rcu+0xc4/0x100 [ 49.890185] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:25151' (ECDSA) to the list of known hosts. 2025/11/18 01:15:00 fuzzer started 2025/11/18 01:15:01 dialing manager at localhost:37895 2025/11/18 01:15:01 checking machine... 2025/11/18 01:15:01 checking revisions... [ 50.751804] kmemleak: Automatic memory scanning thread ended 2025/11/18 01:15:01 testing simple program... [ 50.836457] cgroup: Unknown subsys name 'net' [ 50.886504] cgroup: Unknown subsys name 'cpuset' [ 50.897956] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 01:15:00 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000002 RCX=ffffffff81b2d539 RDX=000000000000b2d5 RSI=000000000000b2d5 RDI=ffffffff86ef0528 RBP=ffff88806ce08aa8 RSP=ffff88806ce089e0 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000000001 R12=ffff88806ce08ab0 R13=ffff88806ce08a98 R14=ffff88806ce08a91 R15=ffff88806ce08a50 RIP=ffffffff8135e5e2 RFL=00000216 [----AP-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f8e2f953900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8e2f922008 CR3=0000000020fc3000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000026687 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcf061f598 CR3=000000000bda5000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=baaf27f91b8e21acba40357c89569db1 XMM02=0000000000302aa8ec2efd57dc4c00df XMM03=000000000030e348599637adc565848b XMM04=39466654a7ec27ed00000000000ae988 XMM05=9f2788e2b75fb422000000000031f440 XMM06=d74844bf967d85ba000000000031e258 XMM07=e042d86d42eb936e000000000030e5c8 XMM08=599637adc565848b0000000000302b08 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000