[ 39.100105] ------------[ cut here ]------------ [ 39.101113] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.103241] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.104772] Modules linked in: [ 39.105382] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.107480] Tainted: [W]=WARN [ 39.108113] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.109645] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.110614] 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 [ 39.113931] RSP: 0018:ffff88801655fbc0 EFLAGS: 00010286 [ 39.114955] RAX: 0000000000000000 RBX: ffffed1002cabf78 RCX: ffffffff813a4050 [ 39.116279] RDX: ffff88800f2a1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.117604] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cabf2f [ 39.118932] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.120270] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801655fdf8 [ 39.121603] FS: 00007fe034529900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.123085] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.124211] CR2: 00007ffc3de50ef7 CR3: 000000000f866000 CR4: 0000000000350ef0 [ 39.125537] Call Trace: [ 39.126045] [ 39.126472] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.127400] ? __create_object+0x59/0x80 [ 39.128258] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.129250] __vmalloc_noprof+0x59/0x60 [ 39.130022] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.130914] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.131884] bpf_prog_alloc+0x39/0x200 [ 39.132664] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.133637] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.134531] do_seccomp+0x349/0x25e0 [ 39.135295] ? find_held_lock+0x2b/0x80 [ 39.136104] ? do_prlimit+0x310/0x610 [ 39.136870] ? __pfx_do_seccomp+0x10/0x10 [ 39.137689] ? do_raw_spin_unlock+0x53/0x220 [ 39.138500] ? _raw_spin_unlock+0x1e/0x40 [ 39.139305] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.140298] ? static_key_count+0x60/0x80 [ 39.141134] prctl_set_seccomp+0x4e/0x70 [ 39.141928] __do_sys_prctl+0xe6c/0x1d70 [ 39.142748] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.143644] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.144657] ? irqentry_exit+0xf3/0x650 [ 39.145400] do_syscall_64+0xbf/0x430 [ 39.146171] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.147155] RIP: 0033:0x7fe034a1b5cd [ 39.147894] 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 [ 39.151171] RSP: 002b:00007ffc3de4e390 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.152599] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe034a1b5cd [ 39.153932] RDX: 000056073debfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.155269] RBP: 00007ffc3de4e3f0 R08: 0000000000000000 R09: 00007ffc3de4da90 [ 39.156613] R10: 0000000000000000 R11: 0000000000000246 R12: 000056075e5222b0 [ 39.157945] R13: 00007ffc3de4e820 R14: 000056075e524d20 R15: 000056075e5368d0 [ 39.159280] [ 39.159763] irq event stamp: 1721 [ 39.160387] hardirqs last enabled at (1729): [] __up_console_sem+0x78/0x80 [ 39.161946] hardirqs last disabled at (1738): [] __up_console_sem+0x5d/0x80 [ 39.163504] softirqs last enabled at (1678): [] handle_softirqs+0x50c/0x770 [ 39.165090] softirqs last disabled at (1673): [] __irq_exit_rcu+0xc4/0x100 [ 39.166643] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.457403] ------------[ cut here ]------------ [ 42.458380] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.460429] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.461922] Modules linked in: [ 42.462510] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.464525] Tainted: [W]=WARN [ 42.465134] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.466604] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.467479] 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 [ 42.470738] RSP: 0018:ffff888016e7fbc0 EFLAGS: 00010286 [ 42.471731] RAX: 0000000000000000 RBX: ffffed1002dcff78 RCX: ffffffff813a4050 [ 42.473022] RDX: ffff8880184f8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.474322] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dcff2f [ 42.475631] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.476931] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e7fdf8 [ 42.478220] FS: 00007f79d5719900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.479670] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.480748] CR2: 00007ffd01566ef7 CR3: 000000001f8ee000 CR4: 0000000000350ef0 [ 42.482040] Call Trace: [ 42.482506] [ 42.482962] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.483889] ? __create_object+0x59/0x80 [ 42.484677] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.485645] __vmalloc_noprof+0x59/0x60 [ 42.486369] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.487245] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.488190] bpf_prog_alloc+0x39/0x200 [ 42.488937] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.489891] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.490818] do_seccomp+0x349/0x25e0 [ 42.491506] ? find_held_lock+0x2b/0x80 [ 42.492294] ? do_prlimit+0x310/0x610 [ 42.493031] ? __pfx_do_seccomp+0x10/0x10 [ 42.493827] ? do_raw_spin_unlock+0x53/0x220 [ 42.494655] ? _raw_spin_unlock+0x1e/0x40 [ 42.495398] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.496378] ? static_key_count+0x60/0x80 [ 42.497203] prctl_set_seccomp+0x4e/0x70 [ 42.497990] __do_sys_prctl+0xe6c/0x1d70 [ 42.498788] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.499681] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.500687] ? irqentry_exit+0xf3/0x650 [ 42.501420] do_syscall_64+0xbf/0x430 [ 42.502304] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.503281] RIP: 0033:0x7f79d5c0b5cd [ 42.504005] 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 [ 42.507226] RSP: 002b:00007ffd01564960 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.508620] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f79d5c0b5cd [ 42.509917] RDX: 00005577b215fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.511221] RBP: 00007ffd015649c0 R08: 0000000000000000 R09: 00007ffd01564060 [ 42.512520] R10: 0000000000000000 R11: 0000000000000246 R12: 00005577b4346ad0 [ 42.513791] R13: 00007ffd01564df0 R14: 00005577b4347bc0 R15: 00005577b4358780 [ 42.515102] [ 42.515523] irq event stamp: 1713 [ 42.516196] hardirqs last enabled at (1723): [] __up_console_sem+0x78/0x80 [ 42.517728] hardirqs last disabled at (1732): [] __up_console_sem+0x5d/0x80 [ 42.519252] softirqs last enabled at (1636): [] handle_softirqs+0x50c/0x770 [ 42.520840] softirqs last disabled at (1631): [] __irq_exit_rcu+0xc4/0x100 [ 42.522383] ---[ end trace 0000000000000000 ]--- [ 43.348436] ------------[ cut here ]------------ [ 43.349400] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.351446] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 43.352959] Modules linked in: [ 43.353546] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.355549] Tainted: [W]=WARN [ 43.356162] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.357637] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.358491] 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 [ 43.361703] RSP: 0018:ffff88801985fbc0 EFLAGS: 00010286 [ 43.362660] RAX: 0000000000000000 RBX: ffffed100330bf78 RCX: ffffffff813a4050 [ 43.363954] RDX: ffff8880187f9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.365247] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100330bf2f [ 43.366522] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.367795] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801985fdf8 [ 43.369090] FS: 00007f5c75cb9900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.370502] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.371582] CR2: 00007fffbdb7fef7 CR3: 0000000017a8c000 CR4: 0000000000350ef0 [ 43.372896] Call Trace: [ 43.373353] [ 43.373810] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.374700] ? __create_object+0x59/0x80 [ 43.375430] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.376426] __vmalloc_noprof+0x59/0x60 [ 43.377175] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.378026] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.378950] bpf_prog_alloc+0x39/0x200 [ 43.379688] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.380618] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.381470] do_seccomp+0x349/0x25e0 [ 43.382182] ? find_held_lock+0x2b/0x80 [ 43.382925] ? do_prlimit+0x310/0x610 [ 43.383683] ? __pfx_do_seccomp+0x10/0x10 [ 43.384424] ? do_raw_spin_unlock+0x53/0x220 [ 43.385253] ? _raw_spin_unlock+0x1e/0x40 [ 43.386021] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.386981] ? static_key_count+0x60/0x80 [ 43.387801] prctl_set_seccomp+0x4e/0x70 [ 43.388525] __do_sys_prctl+0xe6c/0x1d70 [ 43.389302] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.390151] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.391108] ? irqentry_exit+0xf3/0x650 [ 43.391867] do_syscall_64+0xbf/0x430 [ 43.392607] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.393500] RIP: 0033:0x7f5c761ab5cd [ 43.394213] 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 [ 43.397168] RSP: 002b:00007fffbdb7ec10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.398055] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5c761ab5cd [ 43.398876] RDX: 000055d7a3281e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.399714] RBP: 00007fffbdb7ec70 R08: 0000000000000000 R09: 00007fffbdb7e310 [ 43.400511] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d7b262bad0 [ 43.401326] R13: 00007fffbdb7f0a0 R14: 000055d7b262cbc0 R15: 000055d7b263d780 [ 43.402168] [ 43.402440] irq event stamp: 1783 [ 43.402850] hardirqs last enabled at (1793): [] __up_console_sem+0x78/0x80 [ 43.403833] hardirqs last disabled at (1802): [] __up_console_sem+0x5d/0x80 [ 43.404798] softirqs last enabled at (1772): [] handle_softirqs+0x50c/0x770 [ 43.405774] softirqs last disabled at (1765): [] __irq_exit_rcu+0xc4/0x100 [ 43.406740] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:4910' (ECDSA) to the list of known hosts. 2025/11/17 13:41:56 fuzzer started 2025/11/17 13:41:57 dialing manager at localhost:37895 2025/11/17 13:41:57 checking machine... 2025/11/17 13:41:57 checking revisions... [ 44.296660] kmemleak: Automatic memory scanning thread ended 2025/11/17 13:41:57 testing simple program... [ 44.384755] cgroup: Unknown subsys name 'net' [ 44.449420] cgroup: Unknown subsys name 'cpuset' [ 44.473223] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 13:41:56 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffffffff81618fa0 RCX=ffff888009627794 RDX=ffff888009627840 RSI=ffffffff85e1ffe0 RDI=ffff888009627840 RBP=ffff8880096278d8 RSP=ffff888009627830 R8 =0000000000000001 R9 =ffff888009627880 R10=000000000003c9ed R11=0000000000008964 R12=ffff888009627908 R13=0000000000000000 R14=ffff888009611bc0 R15=ffff888008c4b780 RIP=ffffffff8135e172 RFL=00000202 [-------] 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 fffffe6300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8984b66020 CR3=000000001f348000 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=113f7ea1f42ee0be00000000000ae988 XMM05=ee039638f06ed58e0000000000322ec0 XMM06=14648eaa1277bab10000000000322008 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000003c RBX=0000000000000002 RCX=ffffffff81b2a0b3 RDX=0000000000000010 RSI=ffffffff86ab8282 RDI=ffffffff86725ae0 RBP=ffffffff86725ae0 RSP=ffff88806cf08998 R8 =ffffffff86ab8282 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255cb R12=ffffffff86725b1c R13=ffffffff86725ae0 R14=ffffffff86725ae0 R15=dffffc0000000000 RIP=ffffffff8135da8d RFL=00000206 [-----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 00007f79d5719900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f79d5cce650 CR3=000000001f88a000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000