[ 39.342330] ------------[ cut here ]------------ [ 39.343269] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.345361] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 39.346832] Modules linked in: [ 39.347461] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.349452] Tainted: [W]=WARN [ 39.350049] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.351537] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.352457] 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 [ 39.355980] RSP: 0018:ffff888016ecfbc0 EFLAGS: 00010286 [ 39.357056] RAX: 0000000000000000 RBX: ffffed1002dd9f78 RCX: ffffffff813a4050 [ 39.358367] RDX: ffff88801608d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.359688] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dd9f2f [ 39.361028] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.362356] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ecfdf8 [ 39.363660] FS: 00007f3fb9e79900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.365129] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.366190] CR2: 00007f3fba3df4a6 CR3: 000000000e084000 CR4: 0000000000350ef0 [ 39.367505] Call Trace: [ 39.368007] [ 39.368430] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.369369] ? __create_object+0x59/0x80 [ 39.370154] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.371150] __vmalloc_noprof+0x59/0x60 [ 39.371880] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.372776] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.373736] bpf_prog_alloc+0x39/0x200 [ 39.374477] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.375423] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.376362] do_seccomp+0x349/0x25e0 [ 39.377093] ? find_held_lock+0x2b/0x80 [ 39.377844] ? do_prlimit+0x310/0x610 [ 39.378604] ? __pfx_do_seccomp+0x10/0x10 [ 39.379411] ? do_raw_spin_unlock+0x53/0x220 [ 39.380256] ? _raw_spin_unlock+0x1e/0x40 [ 39.381058] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.382056] ? static_key_count+0x60/0x80 [ 39.382834] prctl_set_seccomp+0x4e/0x70 [ 39.383637] __do_sys_prctl+0xe6c/0x1d70 [ 39.384421] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.385298] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.386295] ? irqentry_exit+0xf3/0x650 [ 39.387067] do_syscall_64+0xbf/0x430 [ 39.387776] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.388744] RIP: 0033:0x7f3fba36b5cd [ 39.389482] 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 [ 39.392691] RSP: 002b:00007ffea44551b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.394090] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3fba36b5cd [ 39.395395] RDX: 0000559212487e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.396693] RBP: 00007ffea4455210 R08: 0000000000000000 R09: 00007ffea44548b0 [ 39.398009] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559248116ad0 [ 39.399311] R13: 00007ffea4455640 R14: 0000559248117bc0 R15: 0000559248128780 [ 39.400629] [ 39.401113] irq event stamp: 1797 [ 39.401747] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 39.403304] hardirqs last disabled at (1814): [] __up_console_sem+0x5d/0x80 [ 39.404844] softirqs last enabled at (1398): [] handle_softirqs+0x50c/0x770 [ 39.406419] softirqs last disabled at (1393): [] __irq_exit_rcu+0xc4/0x100 [ 39.407950] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.738749] ------------[ cut here ]------------ [ 42.739684] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.741782] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.743251] Modules linked in: [ 42.743861] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.745883] Tainted: [W]=WARN [ 42.746496] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.748203] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.749215] 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 [ 42.752427] RSP: 0018:ffff88801abcfbc0 EFLAGS: 00010286 [ 42.753433] RAX: 0000000000000000 RBX: ffffed1003579f78 RCX: ffffffff813a4050 [ 42.754741] RDX: ffff888016089bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.756043] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003579f2f [ 42.757359] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.758671] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801abcfdf8 [ 42.759966] FS: 00007f189ef6b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.761427] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.762494] CR2: 00007ffceacd1ef8 CR3: 000000000ced8000 CR4: 0000000000350ef0 [ 42.763803] Call Trace: [ 42.764301] [ 42.764716] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.765636] ? __create_object+0x59/0x80 [ 42.766429] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.767411] __vmalloc_noprof+0x59/0x60 [ 42.768186] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.769090] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.770041] bpf_prog_alloc+0x39/0x200 [ 42.770746] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.771693] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.772600] do_seccomp+0x349/0x25e0 [ 42.773340] ? find_held_lock+0x2b/0x80 [ 42.774132] ? do_prlimit+0x310/0x610 [ 42.774873] ? __pfx_do_seccomp+0x10/0x10 [ 42.775668] ? do_raw_spin_unlock+0x53/0x220 [ 42.776518] ? _raw_spin_unlock+0x1e/0x40 [ 42.777304] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.778275] ? static_key_count+0x60/0x80 [ 42.779072] prctl_set_seccomp+0x4e/0x70 [ 42.779798] __do_sys_prctl+0xe6c/0x1d70 [ 42.780587] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.781460] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.782425] ? irqentry_exit+0xf3/0x650 [ 42.783190] do_syscall_64+0xbf/0x430 [ 42.783884] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.784815] RIP: 0033:0x7f189f45d5cd [ 42.785544] 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 [ 42.788720] RSP: 002b:00007ffceaccf3c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.790105] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f189f45d5cd [ 42.791385] RDX: 000055feb5451e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.792653] RBP: 00007ffceaccf420 R08: 0000000000000000 R09: 00007ffceacceac0 [ 42.793953] R10: 0000000000000000 R11: 0000000000000246 R12: 000055febd9b7ad0 [ 42.795247] R13: 00007ffceaccf850 R14: 000055febd9b8bc0 R15: 000055febd9c9780 [ 42.796554] [ 42.797006] irq event stamp: 1789 [ 42.797623] hardirqs last enabled at (1797): [] __up_console_sem+0x78/0x80 [ 42.799144] hardirqs last disabled at (1806): [] __up_console_sem+0x5d/0x80 [ 42.800669] softirqs last enabled at (1726): [] handle_softirqs+0x50c/0x770 [ 42.802171] softirqs last disabled at (1721): [] __irq_exit_rcu+0xc4/0x100 [ 42.803449] ---[ end trace 0000000000000000 ]--- [ 43.635762] ------------[ cut here ]------------ [ 43.636622] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.638289] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/258 [ 43.639452] Modules linked in: [ 43.639969] CPU: 0 UID: 104 PID: 258 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.641584] Tainted: [W]=WARN [ 43.642069] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.643259] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.643994] 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 [ 43.646536] RSP: 0018:ffff88800f5a7bc0 EFLAGS: 00010286 [ 43.647337] RAX: 0000000000000000 RBX: ffffed1001eb4f78 RCX: ffffffff813a4050 [ 43.648388] RDX: ffff888016380000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.649427] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001eb4f2f [ 43.650465] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.651496] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f5a7df8 [ 43.652539] FS: 00007ff0d3d7d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.653719] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.654596] CR2: 00007ffd54afdef8 CR3: 0000000009a03000 CR4: 0000000000350ef0 [ 43.655632] Call Trace: [ 43.656038] [ 43.656366] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.657107] ? __create_object+0x59/0x80 [ 43.657706] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.658489] __vmalloc_noprof+0x59/0x60 [ 43.659110] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.659776] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.660537] bpf_prog_alloc+0x39/0x200 [ 43.661158] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.661896] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.662622] do_seccomp+0x349/0x25e0 [ 43.663209] ? find_held_lock+0x2b/0x80 [ 43.663780] ? do_prlimit+0x310/0x610 [ 43.664386] ? __pfx_do_seccomp+0x10/0x10 [ 43.665017] ? do_raw_spin_unlock+0x53/0x220 [ 43.665673] ? _raw_spin_unlock+0x1e/0x40 [ 43.666304] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.667070] ? static_key_count+0x60/0x80 [ 43.667683] prctl_set_seccomp+0x4e/0x70 [ 43.668307] __do_sys_prctl+0xe6c/0x1d70 [ 43.668898] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.669601] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.670394] ? irqentry_exit+0xf3/0x650 [ 43.671029] do_syscall_64+0xbf/0x430 [ 43.671590] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.672360] RIP: 0033:0x7ff0d426f5cd [ 43.672888] 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 [ 43.675465] RSP: 002b:00007ffd54afc0c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.676566] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff0d426f5cd [ 43.677611] RDX: 000055ff587dae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.678645] RBP: 00007ffd54afc120 R08: 0000000000000000 R09: 00007ffd54afb7c0 [ 43.679689] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ff89f8ead0 [ 43.680718] R13: 00007ffd54afc550 R14: 000055ff89f8fbc0 R15: 000055ff89fa0780 [ 43.681796] [ 43.682178] irq event stamp: 2511 [ 43.682662] hardirqs last enabled at (2519): [] __up_console_sem+0x78/0x80 [ 43.683908] hardirqs last disabled at (2528): [] __up_console_sem+0x5d/0x80 [ 43.685167] softirqs last enabled at (2216): [] handle_softirqs+0x50c/0x770 [ 43.686416] softirqs last disabled at (2211): [] __irq_exit_rcu+0xc4/0x100 [ 43.687647] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:51125' (ECDSA) to the list of known hosts. 2025/11/17 22:50:46 fuzzer started 2025/11/17 22:50:47 dialing manager at localhost:37895 2025/11/17 22:50:47 checking machine... 2025/11/17 22:50:47 checking revisions... [ 44.572315] kmemleak: Automatic memory scanning thread ended 2025/11/17 22:50:47 testing simple program... [ 44.672011] cgroup: Unknown subsys name 'net' [ 44.742341] cgroup: Unknown subsys name 'cpuset' [ 44.768819] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 22:50:46 Registers: info registers vcpu 0 RAX=0000000000007d5b RBX=00000000f7526df6 RCX=0000000026cf0576 RDX=00000000c9cfdae3 RSI=ffffffff822a4e49 RDI=0000000000000001 RBP=0000000000000001 RSP=ffff8880161bf748 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000019 R13=0000000000000019 R14=0000000000000001 R15=0000000000000001 RIP=ffffffff822a4eb0 RFL=00000a03 [-O----C] 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 00007f5f51902900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f5f5101b018 CR3=000000000ce32000 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=756f6a2f646d65747379732f6e75722f XMM01=00676f6c7379732f6c616e72756f6a2f XMM02=756f6a2f646d65747379732f6e75722f XMM03=006c616e72756f6a2f646d6574737973 XMM04=a26123a60a4d261100000000000ae988 XMM05=8dd792b6b3a4b5340000000000322da0 XMM06=effe7db9128367a60000000000321c38 XMM07=fb795ef6d65770560000000000312088 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=ffff8880164e1bc0 RCX=0000000000000000 RDX=00000000885a9401 RSI=0000000000000000 RDI=ffff88806cf3c2f0 RBP=ffff8880164e2618 RSP=ffff88801d9b7958 R8 =0000000000000001 R9 =0000000000000023 R10=0000000000000001 R11=0000000000000000 R12=0000000000000028 R13=0000000000000001 R14=0000000000000001 R15=0000000000000000 RIP=ffffffff81527005 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 00007f189ef6b900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffceacc9000 CR3=000000000d5b8000 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=ffffffffffffffffffff000000000000 XMM01=000000000000003635006b6f6c6c756e XMM02=62003d73646e756f7200323135616873 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000202020 XMM09=ff0000ffffffffffff00000000ffffff XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000