[ 38.920087] ------------[ cut here ]------------ [ 38.920513] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.921493] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 38.922356] Modules linked in: [ 38.922738] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.924047] Tainted: [W]=WARN [ 38.924406] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.925378] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.925986] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 38.928083] RSP: 0018:ffff88800f0f7bc0 EFLAGS: 00010286 [ 38.928690] RAX: 0000000000000000 RBX: ffffed1001e1ef78 RCX: ffffffff813a4050 [ 38.929549] RDX: ffff88800f579bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.930391] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e1ef2f [ 38.931242] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.932069] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f0f7df8 [ 38.932878] FS: 00007f25cd7f2900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.933819] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.934502] CR2: 00007f25cdce4580 CR3: 000000001bcd1000 CR4: 0000000000350ef0 [ 38.935346] Call Trace: [ 38.935653] [ 38.935920] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.936504] ? __create_object+0x59/0x80 [ 38.937027] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.937621] __vmalloc_noprof+0x59/0x60 [ 38.938129] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.938678] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.939288] bpf_prog_alloc+0x39/0x200 [ 38.939739] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.940343] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.940906] do_seccomp+0x349/0x25e0 [ 38.941385] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.941931] ? __pfx_do_seccomp+0x10/0x10 [ 38.942443] ? find_held_lock+0x2b/0x80 [ 38.942906] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.943541] ? static_key_count+0x60/0x80 [ 38.944059] prctl_set_seccomp+0x4e/0x70 [ 38.944530] __do_sys_prctl+0xe6c/0x1d70 [ 38.945062] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.945579] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.946197] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.946796] ? irqentry_exit+0xf3/0x650 [ 38.947310] do_syscall_64+0xbf/0x430 [ 38.947761] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.948375] RIP: 0033:0x7f25cdce45cd [ 38.948818] 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 [ 38.950898] RSP: 002b:00007ffd64434810 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.951775] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f25cdce45cd [ 38.952605] RDX: 000055d036b08e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.953454] RBP: 00007ffd64434870 R08: 0000000000000000 R09: 00007ffd64433f10 [ 38.954190] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d07130fad0 [ 38.954775] R13: 00007ffd64434ca0 R14: 000055d071310bc0 R15: 000055d071321780 [ 38.955393] [ 38.955593] irq event stamp: 1677 [ 38.955875] hardirqs last enabled at (1685): [] __up_console_sem+0x78/0x80 [ 38.956595] hardirqs last disabled at (1694): [] __up_console_sem+0x5d/0x80 [ 38.957331] softirqs last enabled at (1228): [] handle_softirqs+0x50c/0x770 [ 38.958068] softirqs last disabled at (1713): [] __irq_exit_rcu+0xc4/0x100 [ 38.958760] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 40.975653] sshd (230) used greatest stack depth: 23712 bytes left [ 41.125471] ------------[ cut here ]------------ [ 41.126374] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.128453] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/239 [ 41.129929] Modules linked in: [ 41.130561] CPU: 0 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.132774] Tainted: [W]=WARN [ 41.133458] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.134936] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.135838] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 41.139007] RSP: 0018:ffff888016eefbc0 EFLAGS: 00010286 [ 41.139995] RAX: 0000000000000000 RBX: ffffed1002dddf78 RCX: ffffffff813a4050 [ 41.141310] RDX: ffff88801420d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.142615] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dddf2f [ 41.143919] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.145237] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016eefdf8 [ 41.146552] FS: 00007fc0ebf2a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.148020] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.149110] CR2: 00007ffcf6c2bef8 CR3: 0000000020742000 CR4: 0000000000350ef0 [ 41.150414] Call Trace: [ 41.150881] [ 41.151332] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.152254] ? __create_object+0x59/0x80 [ 41.153061] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.154042] __vmalloc_noprof+0x59/0x60 [ 41.154764] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.155652] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.156611] bpf_prog_alloc+0x39/0x200 [ 41.157371] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.158323] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.159244] do_seccomp+0x349/0x25e0 [ 41.159925] ? find_held_lock+0x2b/0x80 [ 41.160700] ? do_prlimit+0x310/0x610 [ 41.161472] ? __pfx_do_seccomp+0x10/0x10 [ 41.162266] ? do_raw_spin_unlock+0x53/0x220 [ 41.163108] ? _raw_spin_unlock+0x1e/0x40 [ 41.163855] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.164827] ? static_key_count+0x60/0x80 [ 41.165639] prctl_set_seccomp+0x4e/0x70 [ 41.166424] __do_sys_prctl+0xe6c/0x1d70 [ 41.167222] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.168084] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.169083] ? irqentry_exit+0xf3/0x650 [ 41.169813] do_syscall_64+0xbf/0x430 [ 41.170560] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.171521] RIP: 0033:0x7fc0ec41c5cd [ 41.172231] 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 [ 41.175427] RSP: 002b:00007ffcf6c29ee0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.176780] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc0ec41c5cd [ 41.178101] RDX: 0000564ba78d4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.179403] RBP: 00007ffcf6c29f40 R08: 0000000000000000 R09: 00007ffcf6c295e0 [ 41.180696] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564bd66b0240 [ 41.182011] R13: 00007ffcf6c2a370 R14: 0000564bd66b9380 R15: 0000564bd66c4540 [ 41.183333] [ 41.183757] irq event stamp: 1801 [ 41.184416] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 41.185974] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 41.187519] softirqs last enabled at (1760): [] handle_softirqs+0x50c/0x770 [ 41.189094] softirqs last disabled at (1755): [] __irq_exit_rcu+0xc4/0x100 [ 41.190630] ---[ end trace 0000000000000000 ]--- [ 41.871832] ------------[ cut here ]------------ [ 41.872312] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.873338] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 41.874076] Modules linked in: [ 41.874377] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.875377] Tainted: [W]=WARN [ 41.875655] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.876392] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.876850] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 41.878506] RSP: 0018:ffff8880172efbc0 EFLAGS: 00010286 [ 41.879002] RAX: 0000000000000000 RBX: ffffed1002e5df78 RCX: ffffffff813a4050 [ 41.879671] RDX: ffff888015fc1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.880322] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e5df2f [ 41.880999] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.881659] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880172efdf8 [ 41.882310] FS: 00007fdc39670900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.883037] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.883594] CR2: 00007fff7131bef8 CR3: 0000000020cbd000 CR4: 0000000000350ef0 [ 41.884242] Call Trace: [ 41.884480] [ 41.884695] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.885158] ? __create_object+0x59/0x80 [ 41.885533] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.886020] __vmalloc_noprof+0x59/0x60 [ 41.886380] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.886800] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.887267] bpf_prog_alloc+0x39/0x200 [ 41.887660] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.888120] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.888548] do_seccomp+0x349/0x25e0 [ 41.888891] ? find_held_lock+0x2b/0x80 [ 41.889271] ? do_prlimit+0x310/0x610 [ 41.889624] ? __pfx_do_seccomp+0x10/0x10 [ 41.890018] ? do_raw_spin_unlock+0x53/0x220 [ 41.890426] ? _raw_spin_unlock+0x1e/0x40 [ 41.890825] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.891312] ? static_key_count+0x60/0x80 [ 41.891735] prctl_set_seccomp+0x4e/0x70 [ 41.892122] __do_sys_prctl+0xe6c/0x1d70 [ 41.892495] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.892908] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.893395] ? irqentry_exit+0xf3/0x650 [ 41.893758] do_syscall_64+0xbf/0x430 [ 41.894134] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.894591] RIP: 0033:0x7fdc39b625cd [ 41.894919] 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 [ 41.896536] RSP: 002b:00007fff71319ec0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.897247] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdc39b625cd [ 41.897869] RDX: 0000558dcecd3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.898529] RBP: 00007fff71319f20 R08: 0000000000000000 R09: 00007fff713195c0 [ 41.899184] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558e08f3c2b0 [ 41.899845] R13: 00007fff7131a350 R14: 0000558e08f3ed20 R15: 0000558e08f508d0 [ 41.900493] [ 41.900709] irq event stamp: 1637 [ 41.901042] hardirqs last enabled at (1647): [] __up_console_sem+0x78/0x80 [ 41.901786] hardirqs last disabled at (1654): [] __up_console_sem+0x5d/0x80 [ 41.902645] softirqs last enabled at (1674): [] handle_softirqs+0x50c/0x770 [ 41.903430] softirqs last disabled at (1663): [] __irq_exit_rcu+0xc4/0x100 [ 41.904229] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:57927' (ECDSA) to the list of known hosts. 2025/11/17 16:49:07 fuzzer started 2025/11/17 16:49:07 dialing manager at localhost:37895 2025/11/17 16:49:07 checking machine... 2025/11/17 16:49:07 checking revisions... [ 42.748583] kmemleak: Automatic memory scanning thread ended 2025/11/17 16:49:07 testing simple program... [ 42.858310] cgroup: Unknown subsys name 'net' [ 42.915053] cgroup: Unknown subsys name 'cpuset' [ 42.932406] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 16:49:06 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=ffffffff81665b34 RDX=ffff888009611bc0 RSI=ffffffff8166bc5c RDI=0000000000000005 RBP=00000009b25ac9c0 RSP=ffff88806ce08f08 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=0000000000000000 R13=0000000000000003 R14=0000000000000000 R15=ffff88806ce28500 RIP=ffffffff81751c78 RFL=00000006 [-----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 0000000000000000 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=0000564bd66c7210 CR3=000000001cce9000 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=0000000000000001 RCX=ffff88806cf089c4 RDX=0000000000000002 RSI=ffffffff85e1ffe0 RDI=ffff888009643780 RBP=ffffffff85e1ffe0 RSP=ffff88806cf08988 R8 =0000000000000001 R9 =ffff88806cf08ab0 R10=000000000003c9ed R11=0000000000011d83 R12=ffff888009644200 R13=ffff88806cf089c4 R14=0000000000000002 R15=0000000000000002 RIP=ffffffff815221f3 RFL=00000002 [-------] 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb9cd779000 CR3=000000000d468000 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=8a08619c91fcd5b6b748a11534ddac33 XMM02=00000000003035d0eff9b2d0a8fce9cb XMM03=00000000003036a02c67c8bc2e329bc3 XMM04=de59a2591b09939200000000000ae988 XMM05=813f8ebf3e4c066900000000003201a0 XMM06=8fede82a5ad58cbe000000000031fdd0 XMM07=e042d86d42eb936e000000000030f770 XMM08=5824a292f807aeb600000000003036a0 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000