[ 39.202452] ------------[ cut here ]------------ [ 39.203308] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.205356] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235 [ 39.207002] Modules linked in: [ 39.207691] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.209669] Tainted: [W]=WARN [ 39.210209] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.211627] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.212547] 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 [ 39.215647] RSP: 0018:ffff888016e6fbc0 EFLAGS: 00010286 [ 39.216611] RAX: 0000000000000000 RBX: ffffed1002dcdf78 RCX: ffffffff813a4050 [ 39.217866] RDX: ffff888016781bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.219111] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dcdf2f [ 39.220380] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.221624] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e6fdf8 [ 39.222867] FS: 00007f1b7d203900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.224263] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.225301] CR2: 00007f1b7d6f5580 CR3: 000000000d940000 CR4: 0000000000350ef0 [ 39.226572] Call Trace: [ 39.227021] [ 39.227468] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.228375] ? __create_object+0x59/0x80 [ 39.229087] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.230041] __vmalloc_noprof+0x59/0x60 [ 39.230791] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.231644] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.232567] bpf_prog_alloc+0x39/0x200 [ 39.233250] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.234157] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.235038] do_seccomp+0x349/0x25e0 [ 39.235735] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.236631] ? __pfx_do_seccomp+0x10/0x10 [ 39.237405] ? find_held_lock+0x2b/0x80 [ 39.238114] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.239062] ? static_key_count+0x60/0x80 [ 39.239843] prctl_set_seccomp+0x4e/0x70 [ 39.240590] __do_sys_prctl+0xe6c/0x1d70 [ 39.241305] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.242141] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.243093] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.244049] ? irqentry_exit+0xf3/0x650 [ 39.244800] do_syscall_64+0xbf/0x430 [ 39.245523] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.246452] RIP: 0033:0x7f1b7d6f55cd [ 39.247109] 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 [ 39.250245] RSP: 002b:00007ffcb31afa40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.251577] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1b7d6f55cd [ 39.252847] RDX: 000056366e5aae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.254096] RBP: 00007ffcb31afaa0 R08: 0000000000000000 R09: 00007ffcb31af140 [ 39.255344] R10: 0000000000000000 R11: 0000000000000246 R12: 000056369c685bf0 [ 39.256612] R13: 00007ffcb31afed0 R14: 000056369c68f380 R15: 000056369c69a460 [ 39.257873] [ 39.258282] irq event stamp: 1809 [ 39.258908] hardirqs last enabled at (1819): [] __up_console_sem+0x78/0x80 [ 39.260403] hardirqs last disabled at (1828): [] __up_console_sem+0x5d/0x80 [ 39.261886] softirqs last enabled at (1788): [] handle_softirqs+0x50c/0x770 [ 39.263406] softirqs last disabled at (1783): [] __irq_exit_rcu+0xc4/0x100 [ 39.264892] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.098064] ------------[ cut here ]------------ [ 42.098876] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.100630] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 42.101889] Modules linked in: [ 42.102452] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.104179] Tainted: [W]=WARN [ 42.104928] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.106457] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.107213] 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 [ 42.109980] RSP: 0018:ffff88801a427bc0 EFLAGS: 00010286 [ 42.110811] RAX: 0000000000000000 RBX: ffffed1003484f78 RCX: ffffffff813a4050 [ 42.111945] RDX: ffff888016380000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.113060] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003484f2f [ 42.114174] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.115273] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a427df8 [ 42.116476] FS: 00007fd289062900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.117908] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.118827] CR2: 00007fd289554580 CR3: 0000000020743000 CR4: 0000000000350ef0 [ 42.119983] Call Trace: [ 42.120453] [ 42.120811] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.121600] ? __create_object+0x59/0x80 [ 42.122301] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.123273] __vmalloc_noprof+0x59/0x60 [ 42.123950] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.124840] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.125657] bpf_prog_alloc+0x39/0x200 [ 42.126261] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.127062] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.127866] do_seccomp+0x349/0x25e0 [ 42.128492] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.129235] ? __pfx_do_seccomp+0x10/0x10 [ 42.130012] ? find_held_lock+0x2b/0x80 [ 42.130679] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.131525] ? static_key_count+0x60/0x80 [ 42.132206] prctl_set_seccomp+0x4e/0x70 [ 42.132883] __do_sys_prctl+0xe6c/0x1d70 [ 42.133682] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.134440] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.135233] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.136083] ? irqentry_exit+0xf3/0x650 [ 42.136741] do_syscall_64+0xbf/0x430 [ 42.137374] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.138165] RIP: 0033:0x7fd2895545cd [ 42.138773] 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 [ 42.141543] RSP: 002b:00007ffdad261cd0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.142780] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd2895545cd [ 42.143919] RDX: 000055b248eade00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.145037] RBP: 00007ffdad261d30 R08: 0000000000000000 R09: 00007ffdad2613d0 [ 42.146154] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b2716ebad0 [ 42.147434] R13: 00007ffdad262160 R14: 000055b2716ecbc0 R15: 000055b2716fd780 [ 42.148844] [ 42.149301] irq event stamp: 1855 [ 42.150002] hardirqs last enabled at (1865): [] __up_console_sem+0x78/0x80 [ 42.151627] hardirqs last disabled at (1874): [] __up_console_sem+0x5d/0x80 [ 42.153264] softirqs last enabled at (1814): [] handle_softirqs+0x50c/0x770 [ 42.154934] softirqs last disabled at (1809): [] __irq_exit_rcu+0xc4/0x100 [ 42.156578] ---[ end trace 0000000000000000 ]--- [ 42.798225] ------------[ cut here ]------------ [ 42.799232] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.801445] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 42.803009] Modules linked in: [ 42.803953] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.806172] Tainted: [W]=WARN [ 42.806843] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.808457] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.809464] 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 [ 42.812900] RSP: 0018:ffff888017487bc0 EFLAGS: 00010286 [ 42.813962] RAX: 0000000000000000 RBX: ffffed1002e90f78 RCX: ffffffff813a4050 [ 42.815359] RDX: ffff888017bf1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.816755] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e90f2f [ 42.818157] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.819544] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017487df8 [ 42.820949] FS: 00007f3d7d2e6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.822496] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.823656] CR2: 00007f3d7d7d8580 CR3: 0000000014204000 CR4: 0000000000350ef0 [ 42.825073] Call Trace: [ 42.825630] [ 42.826084] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.827064] ? __create_object+0x59/0x80 [ 42.827941] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.828999] __vmalloc_noprof+0x59/0x60 [ 42.829824] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.830778] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.831818] bpf_prog_alloc+0x39/0x200 [ 42.832622] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.833638] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.834638] do_seccomp+0x349/0x25e0 [ 42.835431] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.836421] ? __pfx_do_seccomp+0x10/0x10 [ 42.837232] ? find_held_lock+0x2b/0x80 [ 42.838059] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.839121] ? static_key_count+0x60/0x80 [ 42.840004] prctl_set_seccomp+0x4e/0x70 [ 42.840853] __do_sys_prctl+0xe6c/0x1d70 [ 42.841707] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.842643] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.843677] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.844748] ? irqentry_exit+0xf3/0x650 [ 42.845593] do_syscall_64+0xbf/0x430 [ 42.846396] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.847425] RIP: 0033:0x7f3d7d7d85cd [ 42.848162] 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 [ 42.851595] RSP: 002b:00007ffd7b6fab60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.852976] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3d7d7d85cd [ 42.854116] RDX: 000055f92ccb6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.855259] RBP: 00007ffd7b6fabc0 R08: 0000000000000000 R09: 00007ffd7b6fa260 [ 42.856401] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f9468a3240 [ 42.857535] R13: 00007ffd7b6faff0 R14: 000055f9468a2bf0 R15: 000055f9468b74d0 [ 42.858698] [ 42.859073] irq event stamp: 1829 [ 42.859647] hardirqs last enabled at (1839): [] __up_console_sem+0x78/0x80 [ 42.861028] hardirqs last disabled at (1848): [] __up_console_sem+0x5d/0x80 [ 42.862357] softirqs last enabled at (1644): [] handle_softirqs+0x50c/0x770 [ 42.863711] softirqs last disabled at (1639): [] __irq_exit_rcu+0xc4/0x100 [ 42.865056] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:55595' (ECDSA) to the list of known hosts. 2025/11/18 11:42:04 fuzzer started 2025/11/18 11:42:05 dialing manager at localhost:34383 2025/11/18 11:42:05 checking machine... 2025/11/18 11:42:05 checking revisions... [ 43.516478] kmemleak: Automatic memory scanning thread ended 2025/11/18 11:42:05 testing simple program... [ 43.608833] cgroup: Unknown subsys name 'net' [ 43.676091] cgroup: Unknown subsys name 'cpuset' [ 43.689462] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 11:42:04 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000001 RCX=ffffffff869f2136 RDX=0000000000000001 RSI=0000000000000000 RDI=0000000000000001 RBP=ffff88801b827728 RSP=ffff88801b827610 R8 =ffffffff869f213a R9 =ffff88801b827710 R10=000000000003c9ed R11=000000000000453f R12=ffff88801b827730 R13=ffff88801b827718 R14=ffff88801b827778 R15=ffff88801b8276d0 RIP=ffffffff8135f0bf 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 00007fd289062900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd28901b008 CR3=00000000206c2000 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=0000000080010001 RBX=0000000000000000 RCX=ffffffff8163472f RDX=0000000000000000 RSI=0000000000000000 RDI=0000000000000005 RBP=ffff88806cf08d50 RSP=ffff88806cf08c88 R8 =0000000000000001 R9 =ffffed100d9e119a R10=0000000000000000 R11=0000000000000001 R12=0000000000000000 R13=dffffc0000000000 R14=00000009e5e9a400 R15=0000000000000001 RIP=ffffffff8175175a RFL=00000046 [---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 00007fd289062900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe7400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd289011008 CR3=00000000206c2000 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