[ 38.851142] ------------[ cut here ]------------ [ 38.851997] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.854444] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 38.855871] Modules linked in: [ 38.856738] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.858762] Tainted: [W]=WARN [ 38.859371] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.860815] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.861721] 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 [ 38.864826] RSP: 0018:ffff888015f1fbc0 EFLAGS: 00010286 [ 38.865782] RAX: 0000000000000000 RBX: ffffed1002be3f78 RCX: ffffffff813a4050 [ 38.867044] RDX: ffff888017968000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.868294] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002be3f2f [ 38.869539] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.870811] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015f1fdf8 [ 38.872059] FS: 00007f598b933900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.873477] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.874517] CR2: 00007f598be25580 CR3: 000000000d1b4000 CR4: 0000000000350ef0 [ 38.875768] Call Trace: [ 38.876266] [ 38.876668] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.877548] ? _raw_spin_unlock_irqrestore+0x2c/0x50 [ 38.878485] ? _raw_spin_unlock_irqrestore+0x34/0x50 [ 38.879395] __vmalloc_noprof+0x59/0x60 [ 38.880142] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.880953] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.881858] bpf_prog_alloc+0x39/0x200 [ 38.882606] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.883527] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.884409] do_seccomp+0x349/0x25e0 [ 38.885071] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.885957] ? __pfx_do_seccomp+0x10/0x10 [ 38.886745] ? find_held_lock+0x2b/0x80 [ 38.887486] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.888451] ? static_key_count+0x60/0x80 [ 38.889237] prctl_set_seccomp+0x4e/0x70 [ 38.889953] __do_sys_prctl+0xe6c/0x1d70 [ 38.890734] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.891572] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.892520] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.893467] ? irqentry_exit+0xf3/0x650 [ 38.894221] do_syscall_64+0xbf/0x430 [ 38.894923] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.895847] RIP: 0033:0x7f598be255cd [ 38.896533] 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 [ 38.899647] RSP: 002b:00007fff36d43790 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.900981] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f598be255cd [ 38.902225] RDX: 000056118744ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.903493] RBP: 00007fff36d437f0 R08: 0000000000000000 R09: 00007fff36d42e90 [ 38.904742] R10: 0000000000000000 R11: 0000000000000246 R12: 000056119320cad0 [ 38.905982] R13: 00007fff36d43c20 R14: 000056119320dbc0 R15: 000056119321e780 [ 38.907249] [ 38.907660] irq event stamp: 1807 [ 38.908292] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 38.909784] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 38.911282] softirqs last enabled at (1342): [] handle_softirqs+0x50c/0x770 [ 38.912789] softirqs last disabled at (1337): [] __irq_exit_rcu+0xc4/0x100 [ 38.914273] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.717595] ------------[ cut here ]------------ [ 41.718685] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.721177] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 41.722912] Modules linked in: [ 41.723670] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.726039] Tainted: [W]=WARN [ 41.726760] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.728524] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.729608] 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 [ 41.733423] RSP: 0018:ffff888016817bc0 EFLAGS: 00010286 [ 41.734605] RAX: 0000000000000000 RBX: ffffed1002d02f78 RCX: ffffffff813a4050 [ 41.736138] RDX: ffff888017969bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.737666] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d02f2f [ 41.739215] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.740739] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016817df8 [ 41.742264] FS: 00007fc262781900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.743980] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.745248] CR2: 00007fc262c73580 CR3: 000000000d95c000 CR4: 0000000000350ef0 [ 41.746785] Call Trace: [ 41.747386] [ 41.747867] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.748938] ? __create_object+0x59/0x80 [ 41.749864] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.751037] __vmalloc_noprof+0x59/0x60 [ 41.751941] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.752963] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.754065] bpf_prog_alloc+0x39/0x200 [ 41.754932] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.756038] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.757130] do_seccomp+0x349/0x25e0 [ 41.757929] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.759078] ? __pfx_do_seccomp+0x10/0x10 [ 41.760046] ? find_held_lock+0x2b/0x80 [ 41.761008] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.762221] ? static_key_count+0x60/0x80 [ 41.763238] prctl_set_seccomp+0x4e/0x70 [ 41.764207] __do_sys_prctl+0xe6c/0x1d70 [ 41.765188] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.766259] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.767512] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.768737] ? irqentry_exit+0xf3/0x650 [ 41.769695] do_syscall_64+0xbf/0x430 [ 41.770646] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.771847] RIP: 0033:0x7fc262c735cd [ 41.772748] 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 [ 41.776558] RSP: 002b:00007fff28b808e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.778038] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc262c735cd [ 41.779356] RDX: 000055c8d8f76e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.780598] RBP: 00007fff28b80940 R08: 0000000000000000 R09: 00007fff28b7ffe0 [ 41.781818] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c8db627ad0 [ 41.783062] R13: 00007fff28b80d70 R14: 000055c8db628bc0 R15: 000055c8db639780 [ 41.784308] [ 41.784713] irq event stamp: 1723 [ 41.785347] hardirqs last enabled at (1733): [] __up_console_sem+0x78/0x80 [ 41.786806] hardirqs last disabled at (1742): [] __up_console_sem+0x5d/0x80 [ 41.788226] softirqs last enabled at (1586): [] handle_softirqs+0x50c/0x770 [ 41.789664] softirqs last disabled at (1579): [] __irq_exit_rcu+0xc4/0x100 [ 41.791084] ---[ end trace 0000000000000000 ]--- [ 42.581911] ------------[ cut here ]------------ [ 42.582839] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.584931] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 42.586396] Modules linked in: [ 42.586973] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.588924] Tainted: [W]=WARN [ 42.589512] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.590974] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.592332] 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 [ 42.595466] RSP: 0018:ffff888013eefbc0 EFLAGS: 00010286 [ 42.596431] RAX: 0000000000000000 RBX: ffffed10027ddf78 RCX: ffffffff813a4050 [ 42.597684] RDX: ffff888015e5b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.598944] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10027ddf2f [ 42.600215] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.601613] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013eefdf8 [ 42.602909] FS: 00007fcf71786900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.604350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.605405] CR2: 00007fcf71c78580 CR3: 000000000cd7f000 CR4: 0000000000350ef0 [ 42.606701] Call Trace: [ 42.607213] [ 42.607629] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.608539] ? __create_object+0x59/0x80 [ 42.609329] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.610302] __vmalloc_noprof+0x59/0x60 [ 42.611032] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.611920] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.612850] bpf_prog_alloc+0x39/0x200 [ 42.613586] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.614538] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.615445] do_seccomp+0x349/0x25e0 [ 42.616160] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.617016] ? __pfx_do_seccomp+0x10/0x10 [ 42.617812] ? find_held_lock+0x2b/0x80 [ 42.618590] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.619557] ? static_key_count+0x60/0x80 [ 42.620353] prctl_set_seccomp+0x4e/0x70 [ 42.621088] __do_sys_prctl+0xe6c/0x1d70 [ 42.621882] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.622754] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.623723] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.624684] ? irqentry_exit+0xf3/0x650 [ 42.625448] do_syscall_64+0xbf/0x430 [ 42.626192] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.627158] RIP: 0033:0x7fcf71c785cd [ 42.627815] 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 [ 42.630991] RSP: 002b:00007ffd2943c190 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.632372] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcf71c785cd [ 42.633646] RDX: 000055fed196de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.634925] RBP: 00007ffd2943c1f0 R08: 0000000000000000 R09: 00007ffd2943b890 [ 42.636197] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fefce78bf0 [ 42.637475] R13: 00007ffd2943c620 R14: 000055fefce82380 R15: 000055fefce8d460 [ 42.638786] [ 42.639246] irq event stamp: 1777 [ 42.639851] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 42.641380] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 42.642919] softirqs last enabled at (1680): [] handle_softirqs+0x50c/0x770 [ 42.644460] softirqs last disabled at (1675): [] __irq_exit_rcu+0xc4/0x100 [ 42.645979] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:20628' (ECDSA) to the list of known hosts. 2025/11/17 14:08:34 fuzzer started 2025/11/17 14:08:34 dialing manager at localhost:37895 2025/11/17 14:08:34 checking machine... 2025/11/17 14:08:34 checking revisions... [ 43.688317] kmemleak: Automatic memory scanning thread ended 2025/11/17 14:08:34 testing simple program... [ 43.759054] cgroup: Unknown subsys name 'net' [ 43.818611] cgroup: Unknown subsys name 'cpuset' [ 43.832412] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 14:08:33 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffff88800fd6d340 RCX=ffff88806ce089c4 RDX=0000000000000000 RSI=ffffffff85e1ffe0 RDI=ffff88800fd6d73c RBP=ffff88800fd6d340 RSP=ffff88806ce089d0 R8 =ffffffff86a0ba38 R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=00000000000089b8 R12=ffff88800fd6d340 R13=ffff88806ce08ab8 R14=ffff88806ce08ff8 R15=ffff88806ce08a70 RIP=ffffffff815d2a95 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 00007f6f7585e900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f6f74f76000 CR3=000000000de2f000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=4e28e9b9daad6b1100000000000ae988 XMM05=67f4e7ac141e8dcb0000000000321fa0 XMM06=4702e23c2ec4e1a00000000000321048 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000080010002 RBX=0000000000000001 RCX=0000000000000000 RDX=ffff888015ced340 RSI=ffffffff812efa67 RDI=0000000000000001 RBP=0000000000101414 RSP=ffff88806cf08e50 R8 =ffff88806cf37e00 R9 =ffffed100d9e11cb R10=0000000000000000 R11=0000000000000001 R12=ffff88806cf37ea8 R13=ffffffff86650094 R14=ffff88806cf37df0 R15=ffff88806cf37df8 RIP=ffffffff81751c80 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 00007fc262781900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe1900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc262760020 CR3=000000001fe11000 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