[ 39.146882] ------------[ cut here ]------------ [ 39.147833] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.149833] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235 [ 39.151331] Modules linked in: [ 39.151974] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.153983] Tainted: [W]=WARN [ 39.154573] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.156029] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.156934] 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 [ 39.160100] RSP: 0018:ffff88801759fbc0 EFLAGS: 00010286 [ 39.161096] RAX: 0000000000000000 RBX: ffffed1002eb3f78 RCX: ffffffff813a4050 [ 39.162390] RDX: ffff88801609d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.163654] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eb3f2f [ 39.164911] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.166205] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801759fdf8 [ 39.167487] FS: 00007f7898617900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.168922] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.169996] CR2: 00007ffd3eab5ef8 CR3: 000000001395c000 CR4: 0000000000350ef0 [ 39.171263] Call Trace: [ 39.171779] [ 39.172197] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.173179] ? __create_object+0x59/0x80 [ 39.174110] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.175081] __vmalloc_noprof+0x59/0x60 [ 39.175846] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.176717] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.177671] bpf_prog_alloc+0x39/0x200 [ 39.178406] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.179293] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.180198] do_seccomp+0x349/0x25e0 [ 39.180904] ? find_held_lock+0x2b/0x80 [ 39.181681] ? do_prlimit+0x310/0x610 [ 39.182432] ? __pfx_do_seccomp+0x10/0x10 [ 39.183177] ? do_raw_spin_unlock+0x53/0x220 [ 39.184013] ? _raw_spin_unlock+0x1e/0x40 [ 39.184796] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.185787] ? static_key_count+0x60/0x80 [ 39.186596] prctl_set_seccomp+0x4e/0x70 [ 39.187329] __do_sys_prctl+0xe6c/0x1d70 [ 39.188109] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.188976] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.189967] ? irqentry_exit+0xf3/0x650 [ 39.190730] do_syscall_64+0xbf/0x430 [ 39.191477] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.192417] RIP: 0033:0x7f7898b095cd [ 39.193102] 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 [ 39.196285] RSP: 002b:00007ffd3eab4330 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.197680] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7898b095cd [ 39.198967] RDX: 000055765bc9fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.200246] RBP: 00007ffd3eab4390 R08: 0000000000000000 R09: 00007ffd3eab3a30 [ 39.201547] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557670feb2b0 [ 39.202851] R13: 00007ffd3eab47c0 R14: 0000557670fedd20 R15: 0000557670fff8d0 [ 39.204168] [ 39.204631] irq event stamp: 2683 [ 39.205260] hardirqs last enabled at (2691): [] __up_console_sem+0x78/0x80 [ 39.206799] hardirqs last disabled at (2700): [] __up_console_sem+0x5d/0x80 [ 39.208326] softirqs last enabled at (2650): [] handle_softirqs+0x50c/0x770 [ 39.209895] softirqs last disabled at (2645): [] __irq_exit_rcu+0xc4/0x100 [ 39.211402] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.213870] ------------[ cut here ]------------ [ 42.214735] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.216697] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.218109] Modules linked in: [ 42.218715] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.220661] Tainted: [W]=WARN [ 42.221206] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.222619] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.223484] 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 [ 42.226542] RSP: 0018:ffff888019bd7bc0 EFLAGS: 00010286 [ 42.227494] RAX: 0000000000000000 RBX: ffffed100337af78 RCX: ffffffff813a4050 [ 42.228732] RDX: ffff88801b76d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.229999] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100337af2f [ 42.231287] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.232523] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019bd7df8 [ 42.233770] FS: 00007fc062a76900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.235153] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.236181] CR2: 00007fc062f68580 CR3: 000000000c377000 CR4: 0000000000350ef0 [ 42.237433] Call Trace: [ 42.237876] [ 42.238262] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.239124] ? __create_object+0x59/0x80 [ 42.239861] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.240775] __vmalloc_noprof+0x59/0x60 [ 42.241507] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.242297] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.243187] bpf_prog_alloc+0x39/0x200 [ 42.245124] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.247490] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.248316] do_seccomp+0x349/0x25e0 [ 42.249010] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.249932] ? __pfx_do_seccomp+0x10/0x10 [ 42.250688] ? find_held_lock+0x2b/0x80 [ 42.251413] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.252288] ? static_key_count+0x60/0x80 [ 42.253074] prctl_set_seccomp+0x4e/0x70 [ 42.253806] __do_sys_prctl+0xe6c/0x1d70 [ 42.254554] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.255321] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.256252] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.257199] ? irqentry_exit+0xf3/0x650 [ 42.257927] do_syscall_64+0xbf/0x430 [ 42.258636] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.259557] RIP: 0033:0x7fc062f685cd [ 42.260189] 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 [ 42.263246] RSP: 002b:00007ffcd25a7020 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.264559] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc062f685cd [ 42.265817] RDX: 0000557559f59e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.267050] RBP: 00007ffcd25a7080 R08: 0000000000000000 R09: 00007ffcd25a6720 [ 42.268276] R10: 0000000000000000 R11: 0000000000000246 R12: 000055756d1702b0 [ 42.269528] R13: 00007ffcd25a74b0 R14: 000055756d172d20 R15: 000055756d1848d0 [ 42.270647] [ 42.271001] irq event stamp: 2021 [ 42.271540] hardirqs last enabled at (2031): [] __up_console_sem+0x78/0x80 [ 42.272813] hardirqs last disabled at (2040): [] __up_console_sem+0x5d/0x80 [ 42.274089] softirqs last enabled at (1970): [] handle_softirqs+0x50c/0x770 [ 42.275383] softirqs last disabled at (1965): [] __irq_exit_rcu+0xc4/0x100 [ 42.276639] ---[ end trace 0000000000000000 ]--- [ 43.133733] ------------[ cut here ]------------ [ 43.134521] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.136316] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 43.137777] Modules linked in: [ 43.138346] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.140327] Tainted: [W]=WARN [ 43.140889] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.142206] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.142979] 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 [ 43.145758] RSP: 0018:ffff88800a2afbc0 EFLAGS: 00010286 [ 43.146613] RAX: 0000000000000000 RBX: ffffed1001455f78 RCX: ffffffff813a4050 [ 43.147827] RDX: ffff888016738000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.148893] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001455f2f [ 43.149991] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.151061] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a2afdf8 [ 43.152130] FS: 00007f272b972900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.153331] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.154257] CR2: 00007f272be64580 CR3: 00000000169a5000 CR4: 0000000000350ef0 [ 43.155347] Call Trace: [ 43.155787] [ 43.156166] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.156947] ? __create_object+0x59/0x80 [ 43.157640] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.158469] __vmalloc_noprof+0x59/0x60 [ 43.159071] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.159826] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.160624] bpf_prog_alloc+0x39/0x200 [ 43.161219] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.162015] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.162792] do_seccomp+0x349/0x25e0 [ 43.163461] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.164181] ? __pfx_do_seccomp+0x10/0x10 [ 43.164876] ? find_held_lock+0x2b/0x80 [ 43.165637] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.166578] ? static_key_count+0x60/0x80 [ 43.167298] prctl_set_seccomp+0x4e/0x70 [ 43.168066] __do_sys_prctl+0xe6c/0x1d70 [ 43.168807] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.169658] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.170601] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.171544] ? irqentry_exit+0xf3/0x650 [ 43.172233] do_syscall_64+0xbf/0x430 [ 43.172922] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.173843] RIP: 0033:0x7f272be645cd [ 43.174486] 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 [ 43.177236] RSP: 002b:00007fff7e7cb660 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.178392] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f272be645cd [ 43.179473] RDX: 0000555950d58e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.180541] RBP: 00007fff7e7cb6c0 R08: 0000000000000000 R09: 00007fff7e7cad60 [ 43.181627] R10: 0000000000000000 R11: 0000000000000246 R12: 000055597a018ad0 [ 43.182705] R13: 00007fff7e7cbaf0 R14: 000055597a019bc0 R15: 000055597a02a780 [ 43.183797] [ 43.184156] irq event stamp: 1813 [ 43.184772] hardirqs last enabled at (1823): [] __up_console_sem+0x78/0x80 [ 43.186178] hardirqs last disabled at (1832): [] __up_console_sem+0x5d/0x80 [ 43.187461] softirqs last enabled at (1736): [] handle_softirqs+0x50c/0x770 [ 43.188755] softirqs last disabled at (1729): [] __irq_exit_rcu+0xc4/0x100 [ 43.190031] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:64234' (ECDSA) to the list of known hosts. 2025/11/18 13:56:37 fuzzer started 2025/11/18 13:56:37 dialing manager at localhost:34383 2025/11/18 13:56:37 checking machine... 2025/11/18 13:56:37 checking revisions... [ 44.061340] kmemleak: Automatic memory scanning thread ended 2025/11/18 13:56:37 testing simple program... [ 44.161774] cgroup: Unknown subsys name 'net' [ 44.235251] cgroup: Unknown subsys name 'cpuset' [ 44.255049] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 13:56:36 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000001 RCX=ffffffff869f2136 RDX=1ffff11003310e74 RSI=0000000000000001 RDI=ffff8880198873a0 RBP=ffff8880198873a8 RSP=ffff888019887290 R8 =ffffffff869f213a R9 =0000000000000000 R10=000000000003c9ed R11=000000000000453f R12=ffff8880198873b0 R13=ffff888019887398 R14=0000000000000004 R15=ffff888019887350 RIP=ffffffff8135f786 RFL=00000246 [---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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc2a323e790 CR3=00000000206ae000 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=0000000000000000fffffffe7ffbfeff XMM01=00000000000000020000000000000000 XMM02=00000000000000008000000000000006 XMM03=00000000000000000000000000000000 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=2520737365726464616e657473696c00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000080000000 RBX=ffffffff8899cb80 RCX=ffffffff83c82a44 RDX=ffff888016e01bc0 RSI=0000000000000000 RDI=0000000000000001 RBP=0000000000000000 RSP=ffff88801804fd40 R8 =0000000000000dc0 R9 =00000000ffffffff R10=0000000000000000 R11=0000000000000000 R12=ffff88801765a000 R13=ffff88801765a013 R14=0000000000000000 R15=0000000000000010 RIP=ffffffff81751762 RFL=00000246 [---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 00007fc062a76900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc06302e0b0 CR3=0000000020583000 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=25252525252525252525252525252525 XMM01=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=662079726f6d656d20666f2074756f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000