syzkaller login: [ 39.022732] ------------[ cut here ]------------ [ 39.023491] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.025191] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.026423] Modules linked in: [ 39.026913] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.028591] Tainted: [W]=WARN [ 39.029053] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.030276] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.031002] 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 [ 39.033668] RSP: 0018:ffff888009cc7bc0 EFLAGS: 00010286 [ 39.034487] RAX: 0000000000000000 RBX: ffffed1001398f78 RCX: ffffffff813a4050 [ 39.035564] RDX: ffff88801704d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.036642] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001398f2f [ 39.037734] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.038804] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888009cc7df8 [ 39.039873] FS: 00007f8c81e7d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.041081] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.041975] CR2: 00007fff035a1ef8 CR3: 00000000165b4000 CR4: 0000000000350ef0 [ 39.043042] Call Trace: [ 39.043463] [ 39.043807] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.044558] ? __create_object+0x59/0x80 [ 39.045183] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.046002] __vmalloc_noprof+0x59/0x60 [ 39.046636] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.047360] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.048092] bpf_prog_alloc+0x39/0x200 [ 39.048707] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.049493] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.050208] do_seccomp+0x349/0x25e0 [ 39.050814] ? find_held_lock+0x2b/0x80 [ 39.051451] ? do_prlimit+0x310/0x610 [ 39.052033] ? __pfx_do_seccomp+0x10/0x10 [ 39.052692] ? do_raw_spin_unlock+0x53/0x220 [ 39.053387] ? _raw_spin_unlock+0x1e/0x40 [ 39.054008] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.054812] ? static_key_count+0x60/0x80 [ 39.055505] prctl_set_seccomp+0x4e/0x70 [ 39.056217] __do_sys_prctl+0xe6c/0x1d70 [ 39.056999] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.057853] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.058803] ? irqentry_exit+0xf3/0x650 [ 39.059556] do_syscall_64+0xbf/0x430 [ 39.060276] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.061158] RIP: 0033:0x7f8c8236f5cd [ 39.061870] 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 [ 39.064972] RSP: 002b:00007fff0359f980 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.066309] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8c8236f5cd [ 39.067567] RDX: 0000555d183ebe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.068816] RBP: 00007fff0359f9e0 R08: 0000000000000000 R09: 00007fff0359f080 [ 39.070075] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555d342d0ad0 [ 39.071339] R13: 00007fff0359fe10 R14: 0000555d342d1bc0 R15: 0000555d342e2780 [ 39.072613] [ 39.073026] irq event stamp: 1729 [ 39.073670] hardirqs last enabled at (1739): [] __up_console_sem+0x78/0x80 [ 39.075194] hardirqs last disabled at (1748): [] __up_console_sem+0x5d/0x80 [ 39.076696] softirqs last enabled at (1698): [] handle_softirqs+0x50c/0x770 [ 39.078243] softirqs last disabled at (1693): [] __irq_exit_rcu+0xc4/0x100 [ 39.079721] ---[ end trace 0000000000000000 ]--- [ 42.159861] ------------[ cut here ]------------ [ 42.160783] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.162814] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.164269] Modules linked in: [ 42.164854] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.167047] Tainted: [W]=WARN [ 42.167708] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.169166] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.170087] 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 [ 42.173201] RSP: 0018:ffff8880169afbc0 EFLAGS: 00010286 [ 42.174167] RAX: 0000000000000000 RBX: ffffed1002d35f78 RCX: ffffffff813a4050 [ 42.175444] RDX: ffff888019f75340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.176728] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d35f2f [ 42.178009] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.179261] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880169afdf8 [ 42.180543] FS: 00007fe047bf4900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.181969] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.183023] CR2: 00007fe0480e6580 CR3: 000000001f7dc000 CR4: 0000000000350ef0 [ 42.184334] Call Trace: [ 42.184791] [ 42.185190] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.186106] ? __create_object+0x59/0x80 [ 42.186881] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.187854] __vmalloc_noprof+0x59/0x60 [ 42.188613] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.189499] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.190429] bpf_prog_alloc+0x39/0x200 [ 42.191135] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.192059] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.192963] do_seccomp+0x349/0x25e0 [ 42.193681] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.194575] ? __pfx_do_seccomp+0x10/0x10 [ 42.195373] ? find_held_lock+0x2b/0x80 [ 42.196096] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.197050] ? static_key_count+0x60/0x80 [ 42.197858] prctl_set_seccomp+0x4e/0x70 [ 42.198766] __do_sys_prctl+0xe6c/0x1d70 [ 42.199577] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.200455] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.201426] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.202419] ? irqentry_exit+0xf3/0x650 [ 42.203154] do_syscall_64+0xbf/0x430 [ 42.203902] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.204864] RIP: 0033:0x7fe0480e65cd [ 42.205588] 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 [ 42.208767] RSP: 002b:00007ffd87f87f90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.210162] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe0480e65cd [ 42.211059] RDX: 00005583ff56be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.211882] RBP: 00007ffd87f87ff0 R08: 0000000000000000 R09: 00007ffd87f87690 [ 42.212697] R10: 0000000000000000 R11: 0000000000000246 R12: 00005584238ce240 [ 42.213537] R13: 00007ffd87f88420 R14: 00005584238cdbf0 R15: 00005584238e24d0 [ 42.214369] [ 42.214603] irq event stamp: 1865 [ 42.214931] hardirqs last enabled at (1873): [] __up_console_sem+0x78/0x80 [ 42.215767] hardirqs last disabled at (1882): [] __up_console_sem+0x5d/0x80 [ 42.216603] softirqs last enabled at (1814): [] handle_softirqs+0x50c/0x770 [ 42.217463] softirqs last disabled at (1809): [] __irq_exit_rcu+0xc4/0x100 [ 42.218299] ---[ end trace 0000000000000000 ]--- [ 42.961788] ------------[ cut here ]------------ [ 42.962688] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.964734] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 42.966178] Modules linked in: [ 42.966798] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.968998] Tainted: [W]=WARN [ 42.969666] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.971119] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.972030] 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 [ 42.975168] RSP: 0018:ffff888017987bc0 EFLAGS: 00010286 [ 42.976161] RAX: 0000000000000000 RBX: ffffed1002f30f78 RCX: ffffffff813a4050 [ 42.977447] RDX: ffff888016101bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.978714] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f30f2f [ 42.979964] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.981246] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017987df8 [ 42.982522] FS: 00007fb256f91900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.983936] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.984983] CR2: 00007fb257483580 CR3: 00000000140a4000 CR4: 0000000000350ef0 [ 42.986276] Call Trace: [ 42.986735] [ 42.987145] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.988044] ? __create_object+0x59/0x80 [ 42.988815] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.989808] __vmalloc_noprof+0x59/0x60 [ 42.990562] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.991420] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.992358] bpf_prog_alloc+0x39/0x200 [ 42.993044] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.993969] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.994868] do_seccomp+0x349/0x25e0 [ 42.995581] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.996469] ? __pfx_do_seccomp+0x10/0x10 [ 42.997216] ? find_held_lock+0x2b/0x80 [ 42.997993] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.998947] ? static_key_count+0x60/0x80 [ 42.999747] prctl_set_seccomp+0x4e/0x70 [ 43.000530] __do_sys_prctl+0xe6c/0x1d70 [ 43.001311] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.002142] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.003128] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.004101] ? irqentry_exit+0xf3/0x650 [ 43.004869] do_syscall_64+0xbf/0x430 [ 43.005623] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.006576] RIP: 0033:0x7fb2574835cd [ 43.007279] 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 [ 43.010487] RSP: 002b:00007ffeac0be6e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.011863] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb2574835cd [ 43.013152] RDX: 000056467621be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.014339] RBP: 00007ffeac0be740 R08: 0000000000000000 R09: 00007ffeac0bdde0 [ 43.015360] R10: 0000000000000000 R11: 0000000000000246 R12: 00005646af1f8ad0 [ 43.016400] R13: 00007ffeac0beb70 R14: 00005646af1f9bc0 R15: 00005646af20a780 [ 43.017443] [ 43.017789] irq event stamp: 1777 [ 43.018305] hardirqs last enabled at (1787): [] __up_console_sem+0x78/0x80 [ 43.019505] hardirqs last disabled at (1796): [] __up_console_sem+0x5d/0x80 [ 43.020702] softirqs last enabled at (1602): [] handle_softirqs+0x50c/0x770 [ 43.021948] softirqs last disabled at (1597): [] __irq_exit_rcu+0xc4/0x100 [ 43.023146] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:35228' (ECDSA) to the list of known hosts. 2025/11/17 13:54:06 fuzzer started 2025/11/17 13:54:07 dialing manager at localhost:37895 2025/11/17 13:54:07 checking machine... 2025/11/17 13:54:07 checking revisions... [ 43.869756] kmemleak: Automatic memory scanning thread ended 2025/11/17 13:54:07 testing simple program... [ 43.952685] cgroup: Unknown subsys name 'net' [ 44.013011] cgroup: Unknown subsys name 'cpuset' [ 44.026723] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 13:54:06 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888015f15d98 RCX=ffff8880174278e4 RDX=0000000000000001 RSI=ffffffff85e1ffe0 RDI=ffff888015f15d98 RBP=ffffffff85e1ffe0 RSP=ffff888017427890 R8 =0000000000000001 R9 =ffff8880174279d0 R10=000000000003c9ed R11=0000000000027fd2 R12=ffff888015f15d98 R13=ffff8880174278e4 R14=0000000000000001 R15=0000000000000001 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 00007fe047bf4900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe0481ac0b0 CR3=000000001fd09000 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 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff8880e548f000 RCX=ffffffff86ab82be RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffff88806cf31cd0 RBP=ffffffff85e1ffe0 RSP=ffff88806cf089a8 R8 =ffffffff86ab82c2 R9 =ffff88806cf08ab0 R10=000000000003c9ed R11=00000000000255cb R12=ffffffff8135e7a2 R13=ffff88806cf08ab8 R14=ffff88806cf08dc0 R15=ffff88806cf08a70 RIP=ffffffff815bcfa0 RFL=00000216 [----AP-] 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 fffffe2400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7e5cebc028 CR3=000000001f5ba000 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=756e696c2d34365f3638782f62696c2f XMM01=6f732e616d7a6c62696c2f756e672d78 XMM02=00352e6f732e616d7a6c62696c2f756e XMM03=672d78756e696c2d34365f3638782f62 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000