[ 38.959636] ------------[ cut here ]------------ [ 38.960562] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.962660] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 38.964387] Modules linked in: [ 38.965092] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.967090] Tainted: [W]=WARN [ 38.967683] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.969143] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.970062] 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 [ 38.973289] RSP: 0018:ffff88801947fbc0 EFLAGS: 00010286 [ 38.974260] RAX: 0000000000000000 RBX: ffffed100328ff78 RCX: ffffffff813a4050 [ 38.975578] RDX: ffff888016fa8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.976865] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100328ff2f [ 38.978179] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.979504] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801947fdf8 [ 38.980800] FS: 00007f6c91b7c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.982222] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.983312] CR2: 00007ffec85d6ef8 CR3: 000000000d7eb000 CR4: 0000000000350ef0 [ 38.984603] Call Trace: [ 38.985099] [ 38.985514] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.986418] ? __create_object+0x59/0x80 [ 38.987235] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.988227] __vmalloc_noprof+0x59/0x60 [ 38.988998] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.989818] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.990755] bpf_prog_alloc+0x39/0x200 [ 38.991528] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.992465] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.993384] do_seccomp+0x349/0x25e0 [ 38.994115] ? find_held_lock+0x2b/0x80 [ 38.994833] ? do_prlimit+0x310/0x610 [ 38.995603] ? __pfx_do_seccomp+0x10/0x10 [ 38.996390] ? do_raw_spin_unlock+0x53/0x220 [ 38.997224] ? _raw_spin_unlock+0x1e/0x40 [ 38.998014] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.998979] ? static_key_count+0x60/0x80 [ 38.999765] prctl_set_seccomp+0x4e/0x70 [ 39.000548] __do_sys_prctl+0xe6c/0x1d70 [ 39.001333] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.002187] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.003175] ? irqentry_exit+0xf3/0x650 [ 39.003971] do_syscall_64+0xbf/0x430 [ 39.004671] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.005634] RIP: 0033:0x7f6c9206e5cd [ 39.006337] 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 [ 39.008808] RSP: 002b:00007ffec85d5300 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.009678] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6c9206e5cd [ 39.010507] RDX: 00005598705c9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.011354] RBP: 00007ffec85d5360 R08: 0000000000000000 R09: 00007ffec85d4a00 [ 39.011985] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559870ffbad0 [ 39.012555] R13: 00007ffec85d5790 R14: 0000559870ffcbc0 R15: 000055987100d780 [ 39.013153] [ 39.013350] irq event stamp: 1821 [ 39.013629] hardirqs last enabled at (1829): [] __up_console_sem+0x78/0x80 [ 39.014334] hardirqs last disabled at (1838): [] __up_console_sem+0x5d/0x80 [ 39.015031] softirqs last enabled at (1404): [] handle_softirqs+0x50c/0x770 [ 39.015739] softirqs last disabled at (1399): [] __irq_exit_rcu+0xc4/0x100 [ 39.016439] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.152448] ------------[ cut here ]------------ [ 41.153223] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.154940] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 41.156151] Modules linked in: [ 41.156651] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.158302] Tainted: [W]=WARN [ 41.158759] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.160185] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.161094] 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 [ 41.163758] RSP: 0018:ffff8880198ffbc0 EFLAGS: 00010286 [ 41.164576] RAX: 0000000000000000 RBX: ffffed100331ff78 RCX: ffffffff813a4050 [ 41.165641] RDX: ffff888015ae9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.166709] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100331ff2f [ 41.167785] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.168860] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880198ffdf8 [ 41.169951] FS: 00007fd5c41b3900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.171148] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.172042] CR2: 00007fd5c46a5580 CR3: 000000001f30d000 CR4: 0000000000350ef0 [ 41.173112] Call Trace: [ 41.173499] [ 41.173845] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.174597] ? __create_object+0x59/0x80 [ 41.175264] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.176081] __vmalloc_noprof+0x59/0x60 [ 41.176676] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.177399] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.178194] bpf_prog_alloc+0x39/0x200 [ 41.178778] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.179569] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.180322] do_seccomp+0x349/0x25e0 [ 41.180926] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.181637] ? __pfx_do_seccomp+0x10/0x10 [ 41.182291] ? find_held_lock+0x2b/0x80 [ 41.182921] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.183696] ? static_key_count+0x60/0x80 [ 41.184370] prctl_set_seccomp+0x4e/0x70 [ 41.185012] __do_sys_prctl+0xe6c/0x1d70 [ 41.185626] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.186346] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.187149] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.187971] ? irqentry_exit+0xf3/0x650 [ 41.188575] do_syscall_64+0xbf/0x430 [ 41.189192] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.189995] RIP: 0033:0x7fd5c46a55cd [ 41.190551] 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 [ 41.193224] RSP: 002b:00007ffdbec00980 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.194361] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd5c46a55cd [ 41.195440] RDX: 000055f08e3c6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.196519] RBP: 00007ffdbec009e0 R08: 0000000000000000 R09: 00007ffdbec00080 [ 41.197585] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f0ca98fad0 [ 41.198660] R13: 00007ffdbec00e10 R14: 000055f0ca990bc0 R15: 000055f0ca9a1780 [ 41.199753] [ 41.200139] irq event stamp: 1801 [ 41.200646] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 41.201920] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 41.203210] softirqs last enabled at (1758): [] handle_softirqs+0x50c/0x770 [ 41.204631] softirqs last disabled at (1837): [] __irq_exit_rcu+0xc4/0x100 [ 41.206326] ---[ end trace 0000000000000000 ]--- [ 41.869836] ------------[ cut here ]------------ [ 41.870741] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.872822] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 41.874284] Modules linked in: [ 41.874856] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.876926] Tainted: [W]=WARN [ 41.877484] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.878954] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.879860] 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 [ 41.883051] RSP: 0018:ffff88801754fbc0 EFLAGS: 00010286 [ 41.884081] RAX: 0000000000000000 RBX: ffffed1002ea9f78 RCX: ffffffff813a4050 [ 41.885364] RDX: ffff8880195a8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.886645] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ea9f2f [ 41.887967] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.889247] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801754fdf8 [ 41.890527] FS: 00007fa06500f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.892000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.893073] CR2: 00007ffc738b4ef8 CR3: 0000000019b23000 CR4: 0000000000350ef0 [ 41.894347] Call Trace: [ 41.894804] [ 41.895284] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.896219] ? __create_object+0x59/0x80 [ 41.897002] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.897989] __vmalloc_noprof+0x59/0x60 [ 41.898716] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.899648] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.900580] bpf_prog_alloc+0x39/0x200 [ 41.901328] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.902284] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.903194] do_seccomp+0x349/0x25e0 [ 41.903961] ? find_held_lock+0x2b/0x80 [ 41.904682] ? do_prlimit+0x310/0x610 [ 41.905436] ? __pfx_do_seccomp+0x10/0x10 [ 41.906233] ? do_raw_spin_unlock+0x53/0x220 [ 41.907080] ? _raw_spin_unlock+0x1e/0x40 [ 41.907846] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.908935] ? static_key_count+0x60/0x80 [ 41.909705] prctl_set_seccomp+0x4e/0x70 [ 41.910503] __do_sys_prctl+0xe6c/0x1d70 [ 41.911324] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.912192] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.913165] ? irqentry_exit+0xf3/0x650 [ 41.913942] do_syscall_64+0xbf/0x430 [ 41.914648] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.915644] RIP: 0033:0x7fa0655015cd [ 41.916357] 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 [ 41.919578] RSP: 002b:00007ffc738b3080 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.920965] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa0655015cd [ 41.922263] RDX: 000055d076a31e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.923605] RBP: 00007ffc738b30e0 R08: 0000000000000000 R09: 00007ffc738b2780 [ 41.924907] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d07e181bf0 [ 41.926202] R13: 00007ffc738b3510 R14: 000055d07e18b380 R15: 000055d07e196460 [ 41.927551] [ 41.928009] irq event stamp: 1727 [ 41.928619] hardirqs last enabled at (1735): [] __up_console_sem+0x78/0x80 [ 41.930157] hardirqs last disabled at (1744): [] __up_console_sem+0x5d/0x80 [ 41.931728] softirqs last enabled at (1664): [] handle_softirqs+0x50c/0x770 [ 41.933286] softirqs last disabled at (1657): [] __irq_exit_rcu+0xc4/0x100 [ 41.934813] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:18716' (ECDSA) to the list of known hosts. 2025/11/17 09:42:37 fuzzer started 2025/11/17 09:42:38 dialing manager at localhost:37895 2025/11/17 09:42:38 checking machine... 2025/11/17 09:42:38 checking revisions... [ 42.748620] kmemleak: Automatic memory scanning thread ended 2025/11/17 09:42:38 testing simple program... [ 42.839194] cgroup: Unknown subsys name 'net' [ 42.902578] cgroup: Unknown subsys name 'cpuset' [ 42.917087] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 51.508094] audit: type=1400 audit(1763372567.078:7): avc: denied { execmem } for pid=277 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program VM DIAGNOSIS: 09:42:37 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffffffff84c6acdf RCX=ffff88806ce089c4 RDX=1ffff1100d9c1159 RSI=ffffffff85e1ffe0 RDI=ffffffff84c6acdf RBP=ffffffff84c6acdf RSP=ffff88806ce08a18 R8 =ffffffff86aa4756 R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=0000000000022138 R12=ffff88806ce08b38 R13=0000000000000000 R14=ffff88800a2b0000 R15=ffff888008c4b780 RIP=ffffffff81439c17 RFL=00000286 [--S--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 00007fd5c41b3900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd5c417d008 CR3=000000000db9a000 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=00000000000181bd 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 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffdba9c9438 CR3=000000000cd79000 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=2037333a32343a393020373120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732036333a32343a3930203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000