[ 39.276002] ------------[ cut here ]------------ [ 39.276964] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.279062] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.280568] Modules linked in: [ 39.281281] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.284736] Tainted: [W]=WARN [ 39.285299] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.287073] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.288148] 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 [ 39.291885] RSP: 0018:ffff8880176a7bc0 EFLAGS: 00010286 [ 39.293029] RAX: 0000000000000000 RBX: ffffed1002ed4f78 RCX: ffffffff813a4050 [ 39.294533] RDX: ffff88801a028000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.296061] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ed4f2f [ 39.297550] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.299045] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880176a7df8 [ 39.300548] FS: 00007f7901161900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.302223] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.303484] CR2: 00007f7901653580 CR3: 000000000d915000 CR4: 0000000000350ef0 [ 39.304984] Call Trace: [ 39.305542] [ 39.306089] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.307224] ? __create_object+0x59/0x80 [ 39.308022] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.309022] __vmalloc_noprof+0x59/0x60 [ 39.309794] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.310627] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.311593] bpf_prog_alloc+0x39/0x200 [ 39.312368] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.313394] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.314393] do_seccomp+0x349/0x25e0 [ 39.315134] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.316060] ? __pfx_do_seccomp+0x10/0x10 [ 39.316897] ? find_held_lock+0x2b/0x80 [ 39.317656] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.318649] ? static_key_count+0x60/0x80 [ 39.319490] prctl_set_seccomp+0x4e/0x70 [ 39.320286] __do_sys_prctl+0xe6c/0x1d70 [ 39.321088] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.321955] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.322965] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.323948] ? irqentry_exit+0xf3/0x650 [ 39.324734] do_syscall_64+0xbf/0x430 [ 39.325425] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.326404] RIP: 0033:0x7f79016535cd [ 39.327118] 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 [ 39.330353] RSP: 002b:00007ffea0525390 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.331775] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f79016535cd [ 39.333076] RDX: 000055f3a0823e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.334372] RBP: 00007ffea05253f0 R08: 0000000000000000 R09: 00007ffea0524a90 [ 39.335709] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f3da3052b0 [ 39.337024] R13: 00007ffea0525820 R14: 000055f3da307d20 R15: 000055f3da3198d0 [ 39.338349] [ 39.338846] irq event stamp: 2083 [ 39.339475] hardirqs last enabled at (2091): [] __up_console_sem+0x78/0x80 [ 39.340774] hardirqs last disabled at (2100): [] __up_console_sem+0x5d/0x80 [ 39.342027] softirqs last enabled at (1712): [] handle_softirqs+0x50c/0x770 [ 39.343306] softirqs last disabled at (1707): [] __irq_exit_rcu+0xc4/0x100 [ 39.344547] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.611075] ------------[ cut here ]------------ [ 41.612014] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.613979] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 41.615485] Modules linked in: [ 41.616126] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.618097] Tainted: [W]=WARN [ 41.618661] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.620151] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.621069] 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 [ 41.624232] RSP: 0018:ffff8880171e7bc0 EFLAGS: 00010286 [ 41.625206] RAX: 0000000000000000 RBX: ffffed1002e3cf78 RCX: ffffffff813a4050 [ 41.626477] RDX: ffff88800f7f1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.627743] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e3cf2f [ 41.629016] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.630282] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880171e7df8 [ 41.631571] FS: 00007f5d0ed83900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.633011] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.634083] CR2: 00007f5d0f275580 CR3: 000000000e73b000 CR4: 0000000000350ef0 [ 41.635373] Call Trace: [ 41.635902] [ 41.636311] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.637214] ? __create_object+0x59/0x80 [ 41.638010] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.639012] __vmalloc_noprof+0x59/0x60 [ 41.639788] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.640625] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.641565] bpf_prog_alloc+0x39/0x200 [ 41.642302] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.643253] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.644167] do_seccomp+0x349/0x25e0 [ 41.644908] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.645824] ? __pfx_do_seccomp+0x10/0x10 [ 41.646561] ? find_held_lock+0x2b/0x80 [ 41.647338] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.648304] ? static_key_count+0x60/0x80 [ 41.649111] prctl_set_seccomp+0x4e/0x70 [ 41.649890] __do_sys_prctl+0xe6c/0x1d70 [ 41.650635] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.651526] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.652509] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.653466] ? irqentry_exit+0xf3/0x650 [ 41.654240] do_syscall_64+0xbf/0x430 [ 41.655001] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.655949] RIP: 0033:0x7f5d0f2755cd [ 41.656611] 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 [ 41.659829] RSP: 002b:00007ffee539ebe0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.661207] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5d0f2755cd [ 41.662497] RDX: 0000556b850d8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.663809] RBP: 00007ffee539ec40 R08: 0000000000000000 R09: 00007ffee539e2e0 [ 41.665109] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556bad4e92b0 [ 41.666400] R13: 00007ffee539f070 R14: 0000556bad4ebd20 R15: 0000556bad4fd8d0 [ 41.667729] [ 41.668162] irq event stamp: 1817 [ 41.668828] hardirqs last enabled at (1827): [] __up_console_sem+0x78/0x80 [ 41.670367] hardirqs last disabled at (1836): [] __up_console_sem+0x5d/0x80 [ 41.671848] softirqs last enabled at (1764): [] handle_softirqs+0x50c/0x770 [ 41.673134] softirqs last disabled at (1759): [] __irq_exit_rcu+0xc4/0x100 [ 41.674392] ---[ end trace 0000000000000000 ]--- [ 42.455219] ------------[ cut here ]------------ [ 42.456164] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.458328] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.460058] Modules linked in: [ 42.460668] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.462825] Tainted: [W]=WARN [ 42.463396] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.464886] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.465822] 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 [ 42.469220] RSP: 0018:ffff8880179dfbc0 EFLAGS: 00010286 [ 42.470479] RAX: 0000000000000000 RBX: ffffed1002f3bf78 RCX: ffffffff813a4050 [ 42.471785] RDX: ffff8880173f8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.473072] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f3bf2f [ 42.474361] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.475662] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880179dfdf8 [ 42.476969] FS: 00007f14bb21d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.478446] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.479657] CR2: 00007ffca97f9ef8 CR3: 000000000c21c000 CR4: 0000000000350ef0 [ 42.481215] Call Trace: [ 42.481879] [ 42.482307] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.483241] ? __create_object+0x59/0x80 [ 42.484059] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.485047] __vmalloc_noprof+0x59/0x60 [ 42.485823] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.486676] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.487644] bpf_prog_alloc+0x39/0x200 [ 42.488408] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.489365] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.490300] do_seccomp+0x349/0x25e0 [ 42.491048] ? find_held_lock+0x2b/0x80 [ 42.491828] ? do_prlimit+0x310/0x610 [ 42.492547] ? __pfx_do_seccomp+0x10/0x10 [ 42.493349] ? do_raw_spin_unlock+0x53/0x220 [ 42.494205] ? _raw_spin_unlock+0x1e/0x40 [ 42.495035] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.496032] ? static_key_count+0x60/0x80 [ 42.496849] prctl_set_seccomp+0x4e/0x70 [ 42.497592] __do_sys_prctl+0xe6c/0x1d70 [ 42.498393] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.499286] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.500287] ? irqentry_exit+0xf3/0x650 [ 42.501075] do_syscall_64+0xbf/0x430 [ 42.501834] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.502828] RIP: 0033:0x7f14bb70f5cd [ 42.503501] 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 [ 42.506766] RSP: 002b:00007ffca97f8e10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.508214] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f14bb70f5cd [ 42.509533] RDX: 000055f7a60bae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.510858] RBP: 00007ffca97f8e70 R08: 0000000000000000 R09: 00007ffca97f8510 [ 42.512174] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f7cb5c5240 [ 42.513505] R13: 00007ffca97f92a0 R14: 000055f7cb5ce380 R15: 000055f7cb5d9540 [ 42.514853] [ 42.515293] irq event stamp: 1867 [ 42.515956] hardirqs last enabled at (1877): [] __up_console_sem+0x78/0x80 [ 42.517514] hardirqs last disabled at (1886): [] __up_console_sem+0x5d/0x80 [ 42.519087] softirqs last enabled at (1790): [] handle_softirqs+0x50c/0x770 [ 42.520710] softirqs last disabled at (1783): [] __irq_exit_rcu+0xc4/0x100 [ 42.522273] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:41810' (ECDSA) to the list of known hosts. 2025/11/18 21:11:09 fuzzer started 2025/11/18 21:11:10 dialing manager at localhost:34383 2025/11/18 21:11:10 checking machine... 2025/11/18 21:11:10 checking revisions... [ 43.575178] kmemleak: Automatic memory scanning thread ended 2025/11/18 21:11:10 testing simple program... [ 43.673293] cgroup: Unknown subsys name 'net' [ 43.744310] cgroup: Unknown subsys name 'cpuset' [ 43.760544] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 21:11:09 Registers: info registers vcpu 0 RAX=0000000000000007 RBX=0000000000000001 RCX=ffffffff812dfbc1 RDX=0000000000002dfb RSI=0000000000002dfb RDI=ffffffff86ecf344 RBP=ffff8880170d6d30 RSP=ffff8880170d6c18 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000000001 R12=ffff8880170d6d38 R13=ffff8880170d6d20 R14=ffff8880170d6d19 R15=ffff8880170d6cd8 RIP=ffffffff8135e5ee RFL=00000202 [-------] 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 00007f5d0ed83900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f5d0ed62020 CR3=00000000200ce000 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=0000000000000005 RBX=ffff8880173fd340 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff8880173fdd98 RDI=ffff8880173fdd98 RBP=ffff8880173fdd98 RSP=ffff888019fd77d8 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff8880173fdd98 R13=ffffffffffffffff R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815228f3 RFL=00000007 [-----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 00007f6b51dfd900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000556bad523000 CR3=000000000de4a000 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=ffffffffffff00000000000000000000 XMM02=ffffffffffff00000000000000000000 XMM03=00000000000000000000000000000000 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000073707574726174732064 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000