[ 39.121953] ------------[ cut here ]------------ [ 39.122920] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.125034] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 39.126554] Modules linked in: [ 39.127208] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.129181] Tainted: [W]=WARN [ 39.129725] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.131169] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.132067] 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 [ 39.135215] RSP: 0018:ffff8880161d7bc0 EFLAGS: 00010286 [ 39.136183] RAX: 0000000000000000 RBX: ffffed1002c3af78 RCX: ffffffff813a4050 [ 39.137476] RDX: ffff8880170d3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.138745] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c3af2f [ 39.140023] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.141302] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880161d7df8 [ 39.142579] FS: 00007f7095d80900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.143996] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.145075] CR2: 00007ffcdba53ef7 CR3: 000000000e2e2000 CR4: 0000000000350ef0 [ 39.146363] Call Trace: [ 39.146823] [ 39.147263] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.148162] ? __create_object+0x59/0x80 [ 39.148944] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.149920] __vmalloc_noprof+0x59/0x60 [ 39.150622] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.151494] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.152416] bpf_prog_alloc+0x39/0x200 [ 39.153156] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.154089] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.154996] do_seccomp+0x349/0x25e0 [ 39.155664] ? find_held_lock+0x2b/0x80 [ 39.156419] ? do_prlimit+0x310/0x610 [ 39.157157] ? __pfx_do_seccomp+0x10/0x10 [ 39.157918] ? do_raw_spin_unlock+0x53/0x220 [ 39.158703] ? _raw_spin_unlock+0x1e/0x40 [ 39.159480] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.160439] ? static_key_count+0x60/0x80 [ 39.161252] prctl_set_seccomp+0x4e/0x70 [ 39.162023] __do_sys_prctl+0xe6c/0x1d70 [ 39.162757] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.163626] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.164574] do_syscall_64+0xbf/0x430 [ 39.165332] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.166290] RIP: 0033:0x7f70962725cd [ 39.166977] 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 [ 39.170156] RSP: 002b:00007ffcdba52350 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.171513] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f70962725cd [ 39.172783] RDX: 000055608857ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.174091] RBP: 00007ffcdba523b0 R08: 0000000000000000 R09: 00007ffcdba51a50 [ 39.175368] R10: 0000000000000000 R11: 0000000000000246 R12: 000055609e0d6ad0 [ 39.176650] R13: 00007ffcdba527e0 R14: 000055609e0d7bc0 R15: 000055609e0e8780 [ 39.177962] [ 39.178395] irq event stamp: 1725 [ 39.179057] hardirqs last enabled at (1735): [] __up_console_sem+0x78/0x80 [ 39.180583] hardirqs last disabled at (1744): [] __up_console_sem+0x5d/0x80 [ 39.182123] softirqs last enabled at (1254): [] handle_softirqs+0x50c/0x770 [ 39.183664] softirqs last disabled at (1249): [] __irq_exit_rcu+0xc4/0x100 [ 39.185176] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.001423] ------------[ cut here ]------------ [ 42.002333] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.004327] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 42.005811] Modules linked in: [ 42.006677] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.008986] Tainted: [W]=WARN [ 42.009554] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.010998] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.011982] 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 [ 42.015352] RSP: 0018:ffff888016007bc0 EFLAGS: 00010286 [ 42.016328] RAX: 0000000000000000 RBX: ffffed1002c00f78 RCX: ffffffff813a4050 [ 42.017621] RDX: ffff8880176e0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.018901] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c00f2f [ 42.020190] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.021485] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016007df8 [ 42.022769] FS: 00007f7103a03900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.024216] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.025283] CR2: 00007f7103ef5580 CR3: 000000000a1bb000 CR4: 0000000000350ef0 [ 42.026585] Call Trace: [ 42.027099] [ 42.027508] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.028409] ? __create_object+0x59/0x80 [ 42.029199] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.030171] __vmalloc_noprof+0x59/0x60 [ 42.030923] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.031755] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.032689] bpf_prog_alloc+0x39/0x200 [ 42.033442] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.034376] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.035272] do_seccomp+0x349/0x25e0 [ 42.035987] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.036845] ? __pfx_do_seccomp+0x10/0x10 [ 42.037657] ? find_held_lock+0x2b/0x80 [ 42.038416] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.039380] ? static_key_count+0x60/0x80 [ 42.040173] prctl_set_seccomp+0x4e/0x70 [ 42.040955] __do_sys_prctl+0xe6c/0x1d70 [ 42.041695] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.042541] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.043492] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.044477] ? irqentry_exit+0xf3/0x650 [ 42.045257] do_syscall_64+0xbf/0x430 [ 42.046009] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.046958] RIP: 0033:0x7f7103ef55cd [ 42.047614] 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 [ 42.050795] RSP: 002b:00007ffe67768640 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.052154] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7103ef55cd [ 42.053446] RDX: 0000560787624e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.054502] RBP: 00007ffe677686a0 R08: 0000000000000000 R09: 00007ffe67767d40 [ 42.055569] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560793668bf0 [ 42.056629] R13: 00007ffe67768ad0 R14: 0000560793672380 R15: 000056079367d460 [ 42.057727] [ 42.058117] irq event stamp: 1859 [ 42.058617] hardirqs last enabled at (1867): [] __up_console_sem+0x78/0x80 [ 42.059874] hardirqs last disabled at (1876): [] __up_console_sem+0x5d/0x80 [ 42.061133] softirqs last enabled at (1816): [] handle_softirqs+0x50c/0x770 [ 42.062399] softirqs last disabled at (1811): [] __irq_exit_rcu+0xc4/0x100 [ 42.063639] ---[ end trace 0000000000000000 ]--- [ 42.764266] ------------[ cut here ]------------ [ 42.765030] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.766669] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 42.767873] Modules linked in: [ 42.768359] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.770206] Tainted: [W]=WARN [ 42.770666] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.772100] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.772821] 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 [ 42.775468] RSP: 0018:ffff888017307bc0 EFLAGS: 00010286 [ 42.776274] RAX: 0000000000000000 RBX: ffffed1002e60f78 RCX: ffffffff813a4050 [ 42.777346] RDX: ffff88801b641bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.778402] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e60f2f [ 42.779455] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.780507] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017307df8 [ 42.781588] FS: 00007fde92f83900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.782778] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.783658] CR2: 00007fde93475580 CR3: 000000002074b000 CR4: 0000000000350ef0 [ 42.784716] Call Trace: [ 42.785152] [ 42.785493] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.786234] ? __create_object+0x59/0x80 [ 42.786888] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.787650] __vmalloc_noprof+0x59/0x60 [ 42.788279] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.789005] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.789758] bpf_prog_alloc+0x39/0x200 [ 42.790368] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.791141] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.791852] do_seccomp+0x349/0x25e0 [ 42.792442] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.793193] ? __pfx_do_seccomp+0x10/0x10 [ 42.793808] ? find_held_lock+0x2b/0x80 [ 42.794436] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.795233] ? static_key_count+0x60/0x80 [ 42.795897] prctl_set_seccomp+0x4e/0x70 [ 42.796499] __do_sys_prctl+0xe6c/0x1d70 [ 42.797152] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.797817] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.798609] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.799415] ? irqentry_exit+0xf3/0x650 [ 42.800049] do_syscall_64+0xbf/0x430 [ 42.800624] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.801414] RIP: 0033:0x7fde934755cd [ 42.802005] 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 [ 42.804658] RSP: 002b:00007ffd4c782cb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.805805] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fde934755cd [ 42.806881] RDX: 0000564d51413e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.807948] RBP: 00007ffd4c782d10 R08: 0000000000000000 R09: 00007ffd4c7823b0 [ 42.809005] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564d87e18240 [ 42.810082] R13: 00007ffd4c783140 R14: 0000564d87e17bf0 R15: 0000564d87e2c4d0 [ 42.811156] [ 42.811506] irq event stamp: 1803 [ 42.812035] hardirqs last enabled at (1813): [] __up_console_sem+0x78/0x80 [ 42.813305] hardirqs last disabled at (1822): [] __up_console_sem+0x5d/0x80 [ 42.814560] softirqs last enabled at (1772): [] handle_softirqs+0x50c/0x770 [ 42.815835] softirqs last disabled at (1767): [] __irq_exit_rcu+0xc4/0x100 [ 42.817123] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:7906' (ECDSA) to the list of known hosts. 2025/11/18 09:03:58 fuzzer started 2025/11/18 09:03:58 dialing manager at localhost:34383 2025/11/18 09:03:58 checking machine... 2025/11/18 09:03:58 checking revisions... [ 43.669835] kmemleak: Automatic memory scanning thread ended 2025/11/18 09:03:58 testing simple program... [ 43.766280] cgroup: Unknown subsys name 'net' [ 43.829563] cgroup: Unknown subsys name 'cpuset' [ 43.841627] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 09:03:58 Registers: info registers vcpu 0 RAX=0000000080010004 RBX=ffff88800abf0000 RCX=ffffffff8259f946 RDX=000000000001c062 RSI=ffffffff8259f954 RDI=0000000000000007 RBP=000000000001c062 RSP=ffff88806ce08da8 R8 =0000000000000000 R9 =fffffbfff0cc9f0a R10=000000000001c062 R11=0000000000000001 R12=000000000001c062 R13=ffff88800abf0180 R14=ffff88800abf48c8 R15=ffff88800abf0008 RIP=ffffffff8259f958 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 00007fec92a85700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7103fb8650 CR3=000000000ddda000 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=656e6e6f637369642064657669656365 XMM02=63736964203a31313a36383136332074 XMM03=66207463656e6e6f6373696420646576 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363831 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000007 RBX=ffffffff868f94cc RCX=ffffffff83c60fd2 RDX=0000000000000000 RSI=ffffffff86d75818 RDI=ffffffff868f94ac RBP=ffffffff868f94c4 RSP=ffff88801bc3f860 R8 =ffffffff86d75818 R9 =0000000000000000 R10=000000000003c9ed R11=000000000009a3c4 R12=ffffffff868f94d4 R13=ffffffff868f94ac R14=ffffffff868f94c0 R15=dffffc0000000000 RIP=ffffffff8135dabe 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 00007f7103a03900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe67762000 CR3=000000000b97c000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000