[ 39.301155] ------------[ cut here ]------------ [ 39.302171] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.304385] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.305996] Modules linked in: [ 39.306650] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.309059] Tainted: [W]=WARN [ 39.309686] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.311907] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.312944] 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 [ 39.316158] RSP: 0018:ffff88800b2d7bc0 EFLAGS: 00010286 [ 39.317169] RAX: 0000000000000000 RBX: ffffed100165af78 RCX: ffffffff813a4050 [ 39.318477] RDX: ffff888016753780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.319750] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100165af2f [ 39.321043] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.322313] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800b2d7df8 [ 39.323607] FS: 00007f6753b8a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.325101] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.326185] CR2: 00007ffc79b5cef7 CR3: 0000000009870000 CR4: 0000000000350ef0 [ 39.327480] Call Trace: [ 39.327987] [ 39.328423] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.329328] ? __create_object+0x59/0x80 [ 39.330125] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.331113] __vmalloc_noprof+0x59/0x60 [ 39.331884] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.332720] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.333647] bpf_prog_alloc+0x39/0x200 [ 39.334374] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.335293] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.336191] do_seccomp+0x349/0x25e0 [ 39.336904] ? find_held_lock+0x2b/0x80 [ 39.337609] ? do_prlimit+0x310/0x610 [ 39.338347] ? __pfx_do_seccomp+0x10/0x10 [ 39.339125] ? do_raw_spin_unlock+0x53/0x220 [ 39.339961] ? _raw_spin_unlock+0x1e/0x40 [ 39.340722] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.341677] ? static_key_count+0x60/0x80 [ 39.342461] prctl_set_seccomp+0x4e/0x70 [ 39.343334] __do_sys_prctl+0xe6c/0x1d70 [ 39.344134] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.344991] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.345965] ? irqentry_exit+0xf3/0x650 [ 39.346680] do_syscall_64+0xbf/0x430 [ 39.347416] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.348382] RIP: 0033:0x7f675407c5cd [ 39.349086] 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 [ 39.352286] RSP: 002b:00007ffc79b5a8c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.353637] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f675407c5cd [ 39.354906] RDX: 0000555ebacb9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.356203] RBP: 00007ffc79b5a920 R08: 0000000000000000 R09: 00007ffc79b59fc0 [ 39.357468] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555ee96f7ad0 [ 39.358729] R13: 00007ffc79b5ad50 R14: 0000555ee96f8bc0 R15: 0000555ee9709780 [ 39.360016] [ 39.360448] irq event stamp: 1909 [ 39.361088] hardirqs last enabled at (1919): [] __up_console_sem+0x78/0x80 [ 39.362626] hardirqs last disabled at (1928): [] __up_console_sem+0x5d/0x80 [ 39.364174] softirqs last enabled at (1812): [] handle_softirqs+0x50c/0x770 [ 39.365722] softirqs last disabled at (1807): [] __irq_exit_rcu+0xc4/0x100 [ 39.367238] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.118506] ------------[ cut here ]------------ [ 42.119562] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.121861] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 42.123549] Modules linked in: [ 42.124296] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.126592] Tainted: [W]=WARN [ 42.127287] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.128992] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.130046] 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 [ 42.133739] RSP: 0018:ffff8880142efbc0 EFLAGS: 00010286 [ 42.134869] RAX: 0000000000000000 RBX: ffffed100285df78 RCX: ffffffff813a4050 [ 42.136366] RDX: ffff88801a181bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.137857] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100285df2f [ 42.139341] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.140852] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880142efdf8 [ 42.142356] FS: 00007f3f6e0b2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.144034] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.145213] CR2: 00007f3f6e5a4580 CR3: 000000001f668000 CR4: 0000000000350ef0 [ 42.146480] Call Trace: [ 42.146988] [ 42.147392] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.148284] ? __create_object+0x59/0x80 [ 42.149056] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.150011] __vmalloc_noprof+0x59/0x60 [ 42.150716] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.151559] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.152462] bpf_prog_alloc+0x39/0x200 [ 42.153189] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.154095] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.154970] do_seccomp+0x349/0x25e0 [ 42.155622] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.156516] ? __pfx_do_seccomp+0x10/0x10 [ 42.157291] ? find_held_lock+0x2b/0x80 [ 42.158035] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.158979] ? static_key_count+0x60/0x80 [ 42.159731] prctl_set_seccomp+0x4e/0x70 [ 42.160495] __do_sys_prctl+0xe6c/0x1d70 [ 42.161266] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.162115] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.163055] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.164008] ? irqentry_exit+0xf3/0x650 [ 42.164726] do_syscall_64+0xbf/0x430 [ 42.165445] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.166370] RIP: 0033:0x7f3f6e5a45cd [ 42.167056] 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 [ 42.170162] RSP: 002b:00007ffff0d6b3d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.171512] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3f6e5a45cd [ 42.172791] RDX: 000055e1e9362e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.174073] RBP: 00007ffff0d6b430 R08: 0000000000000000 R09: 00007ffff0d6aad0 [ 42.175375] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e2080562b0 [ 42.176658] R13: 00007ffff0d6b860 R14: 000055e208058d20 R15: 000055e20806a8d0 [ 42.177940] [ 42.178364] irq event stamp: 1731 [ 42.179017] hardirqs last enabled at (1741): [] __up_console_sem+0x78/0x80 [ 42.180515] hardirqs last disabled at (1750): [] __up_console_sem+0x5d/0x80 [ 42.181839] softirqs last enabled at (1700): [] handle_softirqs+0x50c/0x770 [ 42.183174] softirqs last disabled at (1693): [] __irq_exit_rcu+0xc4/0x100 [ 42.184478] ---[ end trace 0000000000000000 ]--- [ 42.743174] ------------[ cut here ]------------ [ 42.744088] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.746114] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 42.747556] Modules linked in: [ 42.748432] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.750585] Tainted: [W]=WARN [ 42.751408] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.752859] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.753704] 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 [ 42.757176] RSP: 0018:ffff8880165e7bc0 EFLAGS: 00010286 [ 42.758156] RAX: 0000000000000000 RBX: ffffed1002cbcf78 RCX: ffffffff813a4050 [ 42.759409] RDX: ffff8880157ad340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.760680] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cbcf2f [ 42.761930] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.763190] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880165e7df8 [ 42.764452] FS: 00007f0db0928900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.765867] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.766917] CR2: 00007f0db0e8e4a6 CR3: 000000000d9ab000 CR4: 0000000000350ef0 [ 42.768191] Call Trace: [ 42.768649] [ 42.769096] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.769978] ? __create_object+0x59/0x80 [ 42.770699] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.771642] __vmalloc_noprof+0x59/0x60 [ 42.772393] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.773254] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.774164] bpf_prog_alloc+0x39/0x200 [ 42.774891] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.775764] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.776658] do_seccomp+0x349/0x25e0 [ 42.777368] ? find_held_lock+0x2b/0x80 [ 42.778121] ? do_prlimit+0x310/0x610 [ 42.778810] ? __pfx_do_seccomp+0x10/0x10 [ 42.779578] ? do_raw_spin_unlock+0x53/0x220 [ 42.780402] ? _raw_spin_unlock+0x1e/0x40 [ 42.781180] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.782125] ? static_key_count+0x60/0x80 [ 42.782914] prctl_set_seccomp+0x4e/0x70 [ 42.783626] __do_sys_prctl+0xe6c/0x1d70 [ 42.784402] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.785255] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.786223] ? irqentry_exit+0xf3/0x650 [ 42.786999] do_syscall_64+0xbf/0x430 [ 42.787685] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.788658] RIP: 0033:0x7f0db0e1a5cd [ 42.789358] 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 [ 42.792511] RSP: 002b:00007ffdd71f3f90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.793863] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0db0e1a5cd [ 42.795129] RDX: 000055cdd7c22e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.796416] RBP: 00007ffdd71f3ff0 R08: 0000000000000000 R09: 00007ffdd71f3690 [ 42.797700] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cdd92e9ad0 [ 42.798992] R13: 00007ffdd71f4420 R14: 000055cdd92eabc0 R15: 000055cdd92fb780 [ 42.800294] [ 42.800721] irq event stamp: 1781 [ 42.801378] hardirqs last enabled at (1791): [] __up_console_sem+0x78/0x80 [ 42.802887] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 42.804427] softirqs last enabled at (1704): [] handle_softirqs+0x50c/0x770 [ 42.805711] softirqs last disabled at (1699): [] __irq_exit_rcu+0xc4/0x100 [ 42.806985] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:36265' (ECDSA) to the list of known hosts. 2025/11/18 20:50:36 fuzzer started 2025/11/18 20:50:37 dialing manager at localhost:34383 2025/11/18 20:50:37 checking machine... 2025/11/18 20:50:37 checking revisions... [ 43.552479] kmemleak: Automatic memory scanning thread ended 2025/11/18 20:50:37 testing simple program... [ 43.603735] cgroup: Unknown subsys name 'net' [ 43.632255] cgroup: Unknown subsys name 'cpuset' [ 43.639333] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 52.547711] audit: type=1400 audit(1763499046.179:7): avc: denied { execmem } for pid=275 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 VM DIAGNOSIS: 20:50:36 Registers: info registers vcpu 0 RAX=ffffffff8135e4a9 RBX=0000000000000001 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff88801a2d7510 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000012f5f R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff88801a2d75c0 RIP=ffffffff8152922a 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 00007f3f6e0b2900 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=00007f3f6e077008 CR3=000000000d04c000 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=0000000000000003 RBX=ffff888015b38000 RCX=0000000000000002 RDX=0000000088596101 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff888015b38a58 RSP=ffff88806cf088c8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000002 RIP=ffffffff81526ff1 RFL=00000817 [-O--APC] 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 00007fda0a6fa700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f9e62b13000 CR3=000000000cda1000 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=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3933325b646873732036333a3035 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363839 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000