[ 38.965209] ------------[ cut here ]------------ [ 38.966295] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.968670] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 38.970562] Modules linked in: [ 38.971349] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.973769] Tainted: [W]=WARN [ 38.974508] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.976263] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.977392] 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 [ 38.981129] RSP: 0018:ffff888017617bc0 EFLAGS: 00010286 [ 38.982283] RAX: 0000000000000000 RBX: ffffed1002ec2f78 RCX: ffffffff813a4050 [ 38.983716] RDX: ffff88801885d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.985181] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ec2f2f [ 38.986634] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.988070] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017617df8 [ 38.989506] FS: 00007f55bc573900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.991046] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.992279] CR2: 00007f55bca65580 CR3: 000000000a1a3000 CR4: 0000000000350ef0 [ 38.993706] Call Trace: [ 38.994241] [ 38.994663] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.995612] ? __create_object+0x59/0x80 [ 38.996415] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.997517] __vmalloc_noprof+0x59/0x60 [ 38.998401] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.999396] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.000507] bpf_prog_alloc+0x39/0x200 [ 39.001370] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.002440] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.003479] do_seccomp+0x349/0x25e0 [ 39.004290] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.005241] ? __pfx_do_seccomp+0x10/0x10 [ 39.006099] ? find_held_lock+0x2b/0x80 [ 39.006868] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.007949] ? static_key_count+0x60/0x80 [ 39.008807] prctl_set_seccomp+0x4e/0x70 [ 39.009683] __do_sys_prctl+0xe6c/0x1d70 [ 39.010509] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.011371] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.012457] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.013533] ? irqentry_exit+0xf3/0x650 [ 39.014329] do_syscall_64+0xbf/0x430 [ 39.015064] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.016032] RIP: 0033:0x7f55bca655cd [ 39.016696] 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 [ 39.020261] RSP: 002b:00007ffdd5123950 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.021399] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f55bca655cd [ 39.022320] RDX: 000055dcd67a9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.023141] RBP: 00007ffdd51239b0 R08: 0000000000000000 R09: 00007ffdd5123050 [ 39.023953] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dd0d10dad0 [ 39.024752] R13: 00007ffdd5123de0 R14: 000055dd0d10ebc0 R15: 000055dd0d11f780 [ 39.025394] [ 39.025609] irq event stamp: 2841 [ 39.025944] hardirqs last enabled at (2851): [] __up_console_sem+0x78/0x80 [ 39.026702] hardirqs last disabled at (2858): [] __up_console_sem+0x5d/0x80 [ 39.027510] softirqs last enabled at (2688): [] handle_softirqs+0x50c/0x770 [ 39.028297] softirqs last disabled at (2683): [] __irq_exit_rcu+0xc4/0x100 [ 39.029010] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.554802] ------------[ cut here ]------------ [ 41.555718] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.557714] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/239 [ 41.559173] Modules linked in: [ 41.559775] CPU: 0 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.561789] Tainted: [W]=WARN [ 41.562380] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.563848] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.564781] 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 [ 41.567938] RSP: 0018:ffff888016e2fbc0 EFLAGS: 00010286 [ 41.568938] RAX: 0000000000000000 RBX: ffffed1002dc5f78 RCX: ffffffff813a4050 [ 41.570226] RDX: ffff888015d65340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.571509] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dc5f2f [ 41.572808] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.574086] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e2fdf8 [ 41.575372] FS: 00007f3997f2e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.576828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.577899] CR2: 00007fff7e460ef7 CR3: 000000001fcb6000 CR4: 0000000000350ef0 [ 41.579213] Call Trace: [ 41.579677] [ 41.580145] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.581050] ? __create_object+0x59/0x80 [ 41.581798] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.582767] __vmalloc_noprof+0x59/0x60 [ 41.583516] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.584403] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.585350] bpf_prog_alloc+0x39/0x200 [ 41.586085] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.587023] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.587870] do_seccomp+0x349/0x25e0 [ 41.588612] ? find_held_lock+0x2b/0x80 [ 41.589379] ? do_prlimit+0x310/0x610 [ 41.590125] ? __pfx_do_seccomp+0x10/0x10 [ 41.590868] ? do_raw_spin_unlock+0x53/0x220 [ 41.591710] ? _raw_spin_unlock+0x1e/0x40 [ 41.592527] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.593496] ? static_key_count+0x60/0x80 [ 41.594298] prctl_set_seccomp+0x4e/0x70 [ 41.595085] __do_sys_prctl+0xe6c/0x1d70 [ 41.595816] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.596691] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.597689] ? irqentry_exit+0xf3/0x650 [ 41.598457] do_syscall_64+0xbf/0x430 [ 41.599205] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.600175] RIP: 0033:0x7f39984205cd [ 41.600844] 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 [ 41.604050] RSP: 002b:00007fff7e45fba0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.605404] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f39984205cd [ 41.606710] RDX: 0000564daa4bae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.608000] RBP: 00007fff7e45fc00 R08: 0000000000000000 R09: 00007fff7e45f2a0 [ 41.609315] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564dbe488ad0 [ 41.610618] R13: 00007fff7e460030 R14: 0000564dbe489bc0 R15: 0000564dbe49a780 [ 41.611932] [ 41.612369] irq event stamp: 1689 [ 41.613016] hardirqs last enabled at (1699): [] __up_console_sem+0x78/0x80 [ 41.614542] hardirqs last disabled at (1708): [] __up_console_sem+0x5d/0x80 [ 41.616072] softirqs last enabled at (1658): [] handle_softirqs+0x50c/0x770 [ 41.617620] softirqs last disabled at (1653): [] __irq_exit_rcu+0xc4/0x100 [ 41.619137] ---[ end trace 0000000000000000 ]--- [ 42.363090] ------------[ cut here ]------------ [ 42.364034] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.366552] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/246 [ 42.368431] Modules linked in: [ 42.369070] CPU: 1 UID: 104 PID: 246 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.371230] Tainted: [W]=WARN [ 42.372017] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.373925] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.374992] 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 [ 42.378309] RSP: 0018:ffff8880168b7bc0 EFLAGS: 00010286 [ 42.379341] RAX: 0000000000000000 RBX: ffffed1002d16f78 RCX: ffffffff813a4050 [ 42.380726] RDX: ffff888015dd1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.382062] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d16f2f [ 42.383403] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.384703] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880168b7df8 [ 42.386029] FS: 00007fd9d48fb900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.387498] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.388572] CR2: 00007fff9f6a7ef7 CR3: 000000001fe57000 CR4: 0000000000350ef0 [ 42.389852] Call Trace: [ 42.390362] [ 42.390775] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.391669] ? __create_object+0x59/0x80 [ 42.392473] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.393440] __vmalloc_noprof+0x59/0x60 [ 42.394187] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.395049] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.395980] bpf_prog_alloc+0x39/0x200 [ 42.396682] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.397618] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.398628] do_seccomp+0x349/0x25e0 [ 42.399571] ? find_held_lock+0x2b/0x80 [ 42.400571] ? do_prlimit+0x310/0x610 [ 42.401529] ? __pfx_do_seccomp+0x10/0x10 [ 42.402532] ? do_raw_spin_unlock+0x53/0x220 [ 42.403618] ? _raw_spin_unlock+0x1e/0x40 [ 42.404660] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.405932] ? static_key_count+0x60/0x80 [ 42.406982] prctl_set_seccomp+0x4e/0x70 [ 42.407999] __do_sys_prctl+0xe6c/0x1d70 [ 42.409033] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.410156] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.411396] ? irqentry_exit+0xf3/0x650 [ 42.412418] do_syscall_64+0xbf/0x430 [ 42.413387] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.414606] RIP: 0033:0x7fd9d4ded5cd [ 42.415526] 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 [ 42.419551] RSP: 002b:00007fff9f6a56c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.421302] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd9d4ded5cd [ 42.422956] RDX: 0000556acef62e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.424621] RBP: 00007fff9f6a5720 R08: 0000000000000000 R09: 00007fff9f6a4dc0 [ 42.426069] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556afea34ad0 [ 42.427436] R13: 00007fff9f6a5b50 R14: 0000556afea35bc0 R15: 0000556afea46780 [ 42.428862] [ 42.429341] irq event stamp: 1853 [ 42.429994] hardirqs last enabled at (1863): [] __up_console_sem+0x78/0x80 [ 42.431493] hardirqs last disabled at (1872): [] __up_console_sem+0x5d/0x80 [ 42.433008] softirqs last enabled at (1662): [] handle_softirqs+0x50c/0x770 [ 42.434298] softirqs last disabled at (1653): [] __irq_exit_rcu+0xc4/0x100 [ 42.435544] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:24241' (ECDSA) to the list of known hosts. 2025/11/19 03:31:17 fuzzer started 2025/11/19 03:31:17 dialing manager at localhost:34383 2025/11/19 03:31:17 checking machine... 2025/11/19 03:31:17 checking revisions... [ 43.367959] kmemleak: Automatic memory scanning thread ended 2025/11/19 03:31:17 testing simple program... [ 43.435486] cgroup: Unknown subsys name 'net' [ 43.483562] cgroup: Unknown subsys name 'cpuset' [ 43.492293] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 51.970978] audit: type=1400 audit(1763523086.577:7): avc: denied { execmem } for pid=274 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: 03:31:17 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff88806ce08968 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000089b8 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff88806ce08a50 RIP=ffffffff81529397 RFL=00000247 [---Z-PC] 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 00007f3997f2e900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff7e459000 CR3=000000000fdd4000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff88801a335340 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff88806cf08988 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=000000000009a901 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff88806cf08a70 RIP=ffffffff81529321 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 00007fe42410e700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcfd7d8ff8 CR3=000000000e409000 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=3a5d3833325b646873732036313a3133 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363536 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000