[ 39.433096] ------------[ cut here ]------------ [ 39.434041] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.436072] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.437553] Modules linked in: [ 39.438194] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.440216] Tainted: [W]=WARN [ 39.440805] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.442299] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.443205] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 39.446390] RSP: 0018:ffff888016797bc0 EFLAGS: 00010286 [ 39.447361] RAX: 0000000000000000 RBX: ffffed1002cf2f78 RCX: ffffffff813a4050 [ 39.448640] RDX: ffff8880155e0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.449943] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cf2f2f [ 39.451211] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.452485] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016797df8 [ 39.453782] FS: 00007f1283144900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.455219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.456282] CR2: 00007f1283636580 CR3: 000000001b9b8000 CR4: 0000000000350ef0 [ 39.457561] Call Trace: [ 39.458089] [ 39.458497] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.459399] ? __create_object+0x59/0x80 [ 39.460172] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.461138] __vmalloc_noprof+0x59/0x60 [ 39.461914] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.462787] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.463719] bpf_prog_alloc+0x39/0x200 [ 39.464409] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.465334] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.466258] do_seccomp+0x349/0x25e0 [ 39.466975] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.467888] ? __pfx_do_seccomp+0x10/0x10 [ 39.468627] ? find_held_lock+0x2b/0x80 [ 39.469383] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.470351] ? static_key_count+0x60/0x80 [ 39.471160] prctl_set_seccomp+0x4e/0x70 [ 39.471940] __do_sys_prctl+0xe6c/0x1d70 [ 39.472743] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.473548] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.474516] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.475488] ? irqentry_exit+0xf3/0x650 [ 39.476239] do_syscall_64+0xbf/0x430 [ 39.476976] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.477939] RIP: 0033:0x7f12836365cd [ 39.478597] 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 [ 39.481770] RSP: 002b:00007ffd95391790 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.483135] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f12836365cd [ 39.484413] RDX: 000055ae751e3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.485709] RBP: 00007ffd953917f0 R08: 0000000000000000 R09: 00007ffd95390e90 [ 39.487011] R10: 0000000000000000 R11: 0000000000000246 R12: 000055aeb1caebf0 [ 39.488295] R13: 00007ffd95391c20 R14: 000055aeb1cb8380 R15: 000055aeb1cc3460 [ 39.489595] [ 39.490078] irq event stamp: 1809 [ 39.490672] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 39.492207] hardirqs last disabled at (1828): [] __up_console_sem+0x5d/0x80 [ 39.493727] softirqs last enabled at (1786): [] handle_softirqs+0x50c/0x770 [ 39.495277] softirqs last disabled at (1781): [] __irq_exit_rcu+0xc4/0x100 [ 39.496804] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.095267] ------------[ cut here ]------------ [ 42.096173] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.098127] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.099555] Modules linked in: [ 42.100177] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.102169] Tainted: [W]=WARN [ 42.102755] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.104257] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.105279] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 42.108547] RSP: 0018:ffff88801a79fbc0 EFLAGS: 00010286 [ 42.109586] RAX: 0000000000000000 RBX: ffffed10034f3f78 RCX: ffffffff813a4050 [ 42.111019] RDX: ffff888016d83780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.112348] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034f3f2f [ 42.113779] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.115214] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a79fdf8 [ 42.116649] FS: 00007f5b0bf6d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.118235] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.119384] CR2: 00007ffc0064aef8 CR3: 000000001ffe9000 CR4: 0000000000350ef0 [ 42.120807] Call Trace: [ 42.121331] [ 42.121807] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.122768] ? __create_object+0x59/0x80 [ 42.123551] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.124589] __vmalloc_noprof+0x59/0x60 [ 42.125436] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.126426] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.127380] bpf_prog_alloc+0x39/0x200 [ 42.128139] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.129143] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.130150] do_seccomp+0x349/0x25e0 [ 42.130927] ? find_held_lock+0x2b/0x80 [ 42.131727] ? do_prlimit+0x310/0x610 [ 42.132448] ? __pfx_do_seccomp+0x10/0x10 [ 42.133229] ? do_raw_spin_unlock+0x53/0x220 [ 42.134108] ? _raw_spin_unlock+0x1e/0x40 [ 42.134896] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.135844] ? static_key_count+0x60/0x80 [ 42.136593] prctl_set_seccomp+0x4e/0x70 [ 42.137350] __do_sys_prctl+0xe6c/0x1d70 [ 42.138134] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.138971] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.139920] ? irqentry_exit+0xf3/0x650 [ 42.140628] do_syscall_64+0xbf/0x430 [ 42.141353] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.142305] RIP: 0033:0x7f5b0c45f5cd [ 42.143022] 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 [ 42.146577] RSP: 002b:00007ffc00649b50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.148000] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5b0c45f5cd [ 42.149350] RDX: 000055d0756b3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.150705] RBP: 00007ffc00649bb0 R08: 0000000000000000 R09: 00007ffc00649250 [ 42.152025] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d0920b4ad0 [ 42.153383] R13: 00007ffc00649fe0 R14: 000055d0920b5bc0 R15: 000055d0920c6780 [ 42.154782] [ 42.155260] irq event stamp: 1703 [ 42.155953] hardirqs last enabled at (1713): [] __up_console_sem+0x78/0x80 [ 42.157505] hardirqs last disabled at (1722): [] __up_console_sem+0x5d/0x80 [ 42.158998] softirqs last enabled at (1510): [] handle_softirqs+0x50c/0x770 [ 42.160328] softirqs last disabled at (1497): [] __irq_exit_rcu+0xc4/0x100 [ 42.161661] ---[ end trace 0000000000000000 ]--- [ 42.855754] ------------[ cut here ]------------ [ 42.856643] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.859149] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.860859] Modules linked in: [ 42.861621] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.863661] Tainted: [W]=WARN [ 42.864408] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.866061] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.867198] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 42.870579] RSP: 0018:ffff888016827bc0 EFLAGS: 00010286 [ 42.871722] RAX: 0000000000000000 RBX: ffffed1002d04f78 RCX: ffffffff813a4050 [ 42.873229] RDX: ffff88801566b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.874493] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d04f2f [ 42.875726] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.876997] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016827df8 [ 42.878388] FS: 00007f556d801900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.880072] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.881315] CR2: 00007f556dcf3580 CR3: 000000000d7db000 CR4: 0000000000350ef0 [ 42.882846] Call Trace: [ 42.883367] [ 42.883897] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.884773] ? __create_object+0x59/0x80 [ 42.885505] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.886466] __vmalloc_noprof+0x59/0x60 [ 42.887424] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.888297] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.889224] bpf_prog_alloc+0x39/0x200 [ 42.889976] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.891191] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.892243] do_seccomp+0x349/0x25e0 [ 42.892956] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.893851] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.894806] ? __pfx_do_seccomp+0x10/0x10 [ 42.895805] ? irqentry_exit+0x17b/0x650 [ 42.896536] ? trace_irq_disable.constprop.0+0xc2/0x100 [ 42.897488] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.898456] ? static_key_count+0x60/0x80 [ 42.899247] prctl_set_seccomp+0x4e/0x70 [ 42.900012] __do_sys_prctl+0xe6c/0x1d70 [ 42.900795] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.901589] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.902542] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.903487] ? irqentry_exit+0xf3/0x650 [ 42.904222] do_syscall_64+0xbf/0x430 [ 42.904945] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.905876] RIP: 0033:0x7f556dcf35cd [ 42.906539] 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 [ 42.909711] RSP: 002b:00007ffe90ea24d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.911065] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f556dcf35cd [ 42.912383] RDX: 000055d67371be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.913664] RBP: 00007ffe90ea2530 R08: 0000000000000000 R09: 00007ffe90ea1bd0 [ 42.914971] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d677dccad0 [ 42.916253] R13: 00007ffe90ea2960 R14: 000055d677dcdbc0 R15: 000055d677dde780 [ 42.917646] [ 42.917949] irq event stamp: 1933 [ 42.918468] hardirqs last enabled at (1943): [] __up_console_sem+0x78/0x80 [ 42.919448] hardirqs last disabled at (1952): [] __up_console_sem+0x5d/0x80 [ 42.920406] softirqs last enabled at (1878): [] handle_softirqs+0x50c/0x770 [ 42.921382] softirqs last disabled at (1871): [] __irq_exit_rcu+0xc4/0x100 [ 42.922346] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:10640' (ECDSA) to the list of known hosts. 2025/11/18 18:17:48 fuzzer started 2025/11/18 18:17:49 dialing manager at localhost:34383 2025/11/18 18:17:49 checking machine... 2025/11/18 18:17:49 checking revisions... [ 43.741779] kmemleak: Automatic memory scanning thread ended 2025/11/18 18:17:49 testing simple program... [ 43.841940] cgroup: Unknown subsys name 'net' [ 43.909544] cgroup: Unknown subsys name 'cpuset' [ 43.921657] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 18:17:48 Registers: info registers vcpu 0 RAX=0000000000002005 RBX=ffff88800f053780 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff88800f0541d8 RSP=ffff88806ce088c8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff88800f054278 R13=0000000000000000 R14=0000000000000000 R15=0000000000000002 RIP=ffffffff81527043 RFL=00000046 [---Z-P-] 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 00007f5b0bf6d900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f5b0bf4c020 CR3=000000000e498000 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=000000000002211d RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe7400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8e9bdd0000 CR3=000000000de2f000 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=d3381fff29be70a04f4034c8c98cc3a4 XMM02=0000000000301df0ec2efd57dc4c00df XMM03=000000000030da38c8d923c929b4da98 XMM04=70e801c29dde204500000000000ae988 XMM05=be2d9b6cde87be32000000000031e958 XMM06=474038aa6c007e1f000000000031e350 XMM07=e042d86d42eb936e000000000030dd10 XMM08=c8d923c929b4da980000000000301e50 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000