[ 38.839503] ------------[ cut here ]------------ [ 38.840437] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.842467] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 38.843923] Modules linked in: [ 38.844555] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.846604] Tainted: [W]=WARN [ 38.847174] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.848673] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.849612] 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 [ 38.852845] RSP: 0018:ffff8880175cfbc0 EFLAGS: 00010286 [ 38.853827] RAX: 0000000000000000 RBX: ffffed1002eb9f78 RCX: ffffffff813a4050 [ 38.855131] RDX: ffff888019bb5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.856430] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eb9f2f [ 38.857723] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.859020] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880175cfdf8 [ 38.860300] FS: 00007ffab02b0900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.861752] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.862824] CR2: 00007ffc47d56ef8 CR3: 00000000142b7000 CR4: 0000000000350ef0 [ 38.864109] Call Trace: [ 38.864606] [ 38.865029] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.865946] ? __create_object+0x59/0x80 [ 38.866731] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.867713] __vmalloc_noprof+0x59/0x60 [ 38.868481] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.869319] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.870264] bpf_prog_alloc+0x39/0x200 [ 38.871013] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.871967] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.872880] do_seccomp+0x349/0x25e0 [ 38.873606] ? find_held_lock+0x2b/0x80 [ 38.874323] ? do_prlimit+0x310/0x610 [ 38.875083] ? __pfx_do_seccomp+0x10/0x10 [ 38.875874] ? do_raw_spin_unlock+0x53/0x220 [ 38.876732] ? _raw_spin_unlock+0x1e/0x40 [ 38.877548] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.878506] ? static_key_count+0x60/0x80 [ 38.879434] prctl_set_seccomp+0x4e/0x70 [ 38.880176] __do_sys_prctl+0xe6c/0x1d70 Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.882167] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.883032] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.884002] ? irqentry_exit+0xf3/0x650 [ 38.884789] do_syscall_64+0xbf/0x430 [ 38.885540] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.886502] RIP: 0033:0x7ffab07a25cd [ 38.887179] 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 [ 38.890400] RSP: 002b:00007ffc47d54bb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.891815] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffab07a25cd [ 38.893091] RDX: 00005560edf47e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.894397] RBP: 00007ffc47d54c10 R08: 0000000000000000 R09: 00007ffc47d542b0 [ 38.895708] R10: 0000000000000000 R11: 0000000000000246 R12: 00005560efb9dad0 [ 38.897007] R13: 00007ffc47d55040 R14: 00005560efb9ebc0 R15: 00005560efbaf780 [ 38.898288] [ 38.898759] irq event stamp: 1769 [ 38.899367] hardirqs last enabled at (1777): [] __up_console_sem+0x78/0x80 [ 38.900917] hardirqs last disabled at (1788): [] __up_console_sem+0x5d/0x80 [ 38.902440] softirqs last enabled at (1284): [] handle_softirqs+0x50c/0x770 [ 38.903977] softirqs last disabled at (1279): [] __irq_exit_rcu+0xc4/0x100 [ 38.905500] ---[ end trace 0000000000000000 ]--- [ 41.493990] ------------[ cut here ]------------ [ 41.494788] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.496520] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 41.497894] Modules linked in: [ 41.498494] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.500140] Tainted: [W]=WARN [ 41.500639] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.501866] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.502619] 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 [ 41.505282] RSP: 0018:ffff888016dffbc0 EFLAGS: 00010286 [ 41.506095] RAX: 0000000000000000 RBX: ffffed1002dbff78 RCX: ffffffff813a4050 [ 41.507172] RDX: ffff888016bb1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.508239] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dbff2f [ 41.509295] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.510356] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016dffdf8 [ 41.511439] FS: 00007f2e763b9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.512634] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.513515] CR2: 00007ffe13029ef8 CR3: 000000001f7a6000 CR4: 0000000000350ef0 [ 41.514587] Call Trace: [ 41.514979] [ 41.515319] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.516071] ? __create_object+0x59/0x80 [ 41.516738] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.517561] __vmalloc_noprof+0x59/0x60 [ 41.518156] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.518888] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.519667] bpf_prog_alloc+0x39/0x200 [ 41.520248] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.521030] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.521786] do_seccomp+0x349/0x25e0 [ 41.522348] ? find_held_lock+0x2b/0x80 [ 41.522999] ? do_prlimit+0x310/0x610 [ 41.523633] ? __pfx_do_seccomp+0x10/0x10 [ 41.524247] ? do_raw_spin_unlock+0x53/0x220 [ 41.524940] ? _raw_spin_unlock+0x1e/0x40 [ 41.525601] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.526367] ? static_key_count+0x60/0x80 [ 41.527055] prctl_set_seccomp+0x4e/0x70 [ 41.527703] __do_sys_prctl+0xe6c/0x1d70 [ 41.528322] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.529031] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.529843] ? irqentry_exit+0xf3/0x650 [ 41.530483] do_syscall_64+0xbf/0x430 [ 41.531076] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.531870] RIP: 0033:0x7f2e768ab5cd [ 41.532456] 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 [ 41.535117] RSP: 002b:00007ffe13027ce0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.536254] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2e768ab5cd [ 41.537316] RDX: 00005623d7c27e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.538475] RBP: 00007ffe13027d40 R08: 0000000000000000 R09: 00007ffe130273e0 [ 41.539566] R10: 0000000000000000 R11: 0000000000000246 R12: 00005623efd12bf0 [ 41.540634] R13: 00007ffe13028170 R14: 00005623efd1c380 R15: 00005623efd27460 [ 41.541708] [ 41.542061] irq event stamp: 1861 [ 41.542617] hardirqs last enabled at (1871): [] __up_console_sem+0x78/0x80 [ 41.543916] hardirqs last disabled at (1880): [] __up_console_sem+0x5d/0x80 [ 41.545195] softirqs last enabled at (1830): [] handle_softirqs+0x50c/0x770 [ 41.546469] softirqs last disabled at (1827): [] __irq_exit_rcu+0xc4/0x100 [ 41.547760] ---[ end trace 0000000000000000 ]--- [ 42.089338] ------------[ cut here ]------------ [ 42.089787] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.090876] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.091555] Modules linked in: [ 42.091828] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.092935] Tainted: [W]=WARN [ 42.093239] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.094027] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.094441] 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 [ 42.096024] RSP: 0018:ffff8880163a7bc0 EFLAGS: 00010286 [ 42.096471] RAX: 0000000000000000 RBX: ffffed1002c74f78 RCX: ffffffff813a4050 [ 42.097036] RDX: ffff88801a43b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.097620] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c74f2f [ 42.098326] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.098928] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880163a7df8 [ 42.099641] FS: 00007fd770791900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.100444] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.100909] CR2: 00007fd770c83580 CR3: 000000000d356000 CR4: 0000000000350ef0 [ 42.101494] Call Trace: [ 42.101813] [ 42.102001] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.102410] ? __create_object+0x59/0x80 [ 42.102756] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.103175] __vmalloc_noprof+0x59/0x60 [ 42.103524] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.103902] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.104306] bpf_prog_alloc+0x39/0x200 [ 42.104644] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.105048] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.105464] do_seccomp+0x349/0x25e0 [ 42.105810] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.106289] ? __pfx_do_seccomp+0x10/0x10 [ 42.106659] ? find_held_lock+0x2b/0x80 [ 42.106989] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.107559] ? static_key_count+0x60/0x80 [ 42.107964] prctl_set_seccomp+0x4e/0x70 [ 42.108418] __do_sys_prctl+0xe6c/0x1d70 [ 42.108760] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.109129] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.109694] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.110167] ? irqentry_exit+0xf3/0x650 [ 42.110679] do_syscall_64+0xbf/0x430 [ 42.110998] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.111432] RIP: 0033:0x7fd770c835cd [ 42.111734] 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 [ 42.113294] RSP: 002b:00007ffe0acbab20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.113922] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd770c835cd [ 42.114504] RDX: 00005648a0889e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.115076] RBP: 00007ffe0acbab80 R08: 0000000000000000 R09: 00007ffe0acba220 [ 42.115664] R10: 0000000000000000 R11: 0000000000000246 R12: 00005648bf18ead0 [ 42.116230] R13: 00007ffe0acbafb0 R14: 00005648bf18fbc0 R15: 00005648bf1a0780 [ 42.116883] [ 42.117182] irq event stamp: 1775 [ 42.117509] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 42.118287] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 42.118985] softirqs last enabled at (1322): [] handle_softirqs+0x50c/0x770 [ 42.119685] softirqs last disabled at (1303): [] __irq_exit_rcu+0xc4/0x100 [ 42.120565] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:39841' (ECDSA) to the list of known hosts. 2025/11/18 03:33:05 fuzzer started 2025/11/18 03:33:06 dialing manager at localhost:37895 2025/11/18 03:33:06 checking machine... 2025/11/18 03:33:06 checking revisions... [ 42.851601] kmemleak: Automatic memory scanning thread ended 2025/11/18 03:33:06 testing simple program... [ 42.938628] cgroup: Unknown subsys name 'net' [ 42.990104] cgroup: Unknown subsys name 'cpuset' [ 43.006638] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 03:33:05 Registers: info registers vcpu 0 RAX=0000000000000005 RBX=ffff88800e19a640 RCX=ffff8880165ff4dc RDX=0000000000000002 RSI=ffffffff85e1ffe0 RDI=ffff88800e19a640 RBP=ffffffff85e1ffe0 RSP=ffff8880165ff488 R8 =0000000000000001 R9 =ffff8880165ff5c8 R10=000000000003c9ed R11=0000000000023cd8 R12=ffff88800e19a640 R13=ffff8880165ff4dc R14=0000000000000002 R15=0000000000000002 RIP=ffffffff84c71f8a 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 00007f2e763b9900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f2e76368008 CR3=000000001f70d000 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=0000000000024801 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1 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 fffffe2500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe47ee174e0 CR3=000000000c0a3000 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=30046c4f20f799a56641f6edd8d8dd53 XMM02=2c67c8bc2e329bc30000000000302338 XMM03=fb795ef6d6577056000000000030df08 XMM04=f55e9c90522b8ca700000000000ae988 XMM05=090f1556b20111b3000000000031e9a8 XMM06=5b75c91c80445342000000000031e830 XMM07=e042d86d42eb936e000000000030e188 XMM08=677bb9c2085892040000000000302398 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000