[ 47.141604] ------------[ cut here ]------------ [ 47.142489] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 47.144585] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 47.146041] Modules linked in: [ 47.146678] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 47.148645] Tainted: [W]=WARN [ 47.149199] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.150673] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 47.151583] 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 [ 47.154767] RSP: 0018:ffff88801633fbc0 EFLAGS: 00010286 [ 47.155754] RAX: 0000000000000000 RBX: ffffed1002c67f78 RCX: ffffffff813a4050 [ 47.157037] RDX: ffff88801ccc8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 47.158354] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c67f2f [ 47.159658] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 47.160980] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801633fdf8 [ 47.162295] FS: 00007f38fa3b8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 47.163759] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.164838] CR2: 00007ffe79d99ef8 CR3: 000000000d8ab000 CR4: 0000000000350ef0 [ 47.166148] Call Trace: [ 47.166674] [ 47.167091] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 47.167997] ? __create_object+0x59/0x80 [ 47.168783] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 47.169773] __vmalloc_noprof+0x59/0x60 [ 47.170542] bpf_prog_alloc_no_stats+0x55/0x470 [ 47.171373] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.172307] bpf_prog_alloc+0x39/0x200 [ 47.173080] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.174053] bpf_prog_create_from_user+0xb2/0x2f0 [ 47.174961] do_seccomp+0x349/0x25e0 [ 47.175687] ? find_held_lock+0x2b/0x80 [ 47.176388] ? do_prlimit+0x310/0x610 [ 47.177127] ? __pfx_do_seccomp+0x10/0x10 [ 47.177937] ? do_raw_spin_unlock+0x53/0x220 [ 47.178783] ? _raw_spin_unlock+0x1e/0x40 [ 47.179564] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 47.180549] ? static_key_count+0x60/0x80 [ 47.181300] prctl_set_seccomp+0x4e/0x70 [ 47.182092] __do_sys_prctl+0xe6c/0x1d70 [ 47.182901] ? __pfx___do_sys_prctl+0x10/0x10 [ 47.183772] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 47.184738] ? irqentry_exit+0xf3/0x650 [ 47.185451] do_syscall_64+0xbf/0x430 [ 47.186198] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 47.187175] RIP: 0033:0x7f38fa8aa5cd [ 47.187889] 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 [ 47.191050] RSP: 002b:00007ffe79d98780 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 47.192408] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f38fa8aa5cd [ 47.193699] RDX: 000055efa6a8ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 47.195012] RBP: 00007ffe79d987e0 R08: 0000000000000000 R09: 00007ffe79d97e80 [ 47.196281] R10: 0000000000000000 R11: 0000000000000246 R12: 000055efc9be92b0 [ 47.197572] R13: 00007ffe79d98c10 R14: 000055efc9bebd20 R15: 000055efc9bfd8d0 [ 47.198860] [ 47.199281] irq event stamp: 1763 [ 47.199942] hardirqs last enabled at (1773): [] __up_console_sem+0x78/0x80 [ 47.201452] hardirqs last disabled at (1782): [] __up_console_sem+0x5d/0x80 [ 47.202995] softirqs last enabled at (1742): [] handle_softirqs+0x50c/0x770 [ 47.204542] softirqs last disabled at (1737): [] __irq_exit_rcu+0xc4/0x100 [ 47.206068] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 50.180275] ------------[ cut here ]------------ [ 50.181015] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.182710] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 50.183892] Modules linked in: [ 50.184369] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.186003] Tainted: [W]=WARN [ 50.186448] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.187614] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.188313] 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 [ 50.190855] RSP: 0018:ffff88801becfbc0 EFLAGS: 00010286 [ 50.191634] RAX: 0000000000000000 RBX: ffffed10037d9f78 RCX: ffffffff813a4050 [ 50.192666] RDX: ffff88801a099bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.193716] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10037d9f2f [ 50.194762] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.195795] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801becfdf8 [ 50.196834] FS: 00007f129e0a3900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.198002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.198854] CR2: 00007f129e595580 CR3: 000000000e39a000 CR4: 0000000000350ef0 [ 50.199906] Call Trace: [ 50.200282] [ 50.200652] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.201353] ? __create_object+0x59/0x80 [ 50.202082] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.202944] __vmalloc_noprof+0x59/0x60 [ 50.203722] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.204597] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.205378] bpf_prog_alloc+0x39/0x200 [ 50.205996] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.206756] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.207458] do_seccomp+0x349/0x25e0 [ 50.208041] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.208764] ? __pfx_do_seccomp+0x10/0x10 [ 50.209368] ? find_held_lock+0x2b/0x80 [ 50.209990] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.210767] ? static_key_count+0x60/0x80 [ 50.211377] prctl_set_seccomp+0x4e/0x70 [ 50.212007] __do_sys_prctl+0xe6c/0x1d70 [ 50.212628] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.213280] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.214060] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.214845] ? irqentry_exit+0xf3/0x650 [ 50.215433] do_syscall_64+0xbf/0x430 [ 50.216027] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.216791] RIP: 0033:0x7f129e5955cd [ 50.217323] 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 [ 50.219868] RSP: 002b:00007ffc21dc2880 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.220966] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f129e5955cd [ 50.221998] RDX: 000055738ff38e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.223025] RBP: 00007ffc21dc28e0 R08: 0000000000000000 R09: 00007ffc21dc1f80 [ 50.224049] R10: 0000000000000000 R11: 0000000000000246 R12: 000055739f2dc2b0 [ 50.225073] R13: 00007ffc21dc2d10 R14: 000055739f2ded20 R15: 000055739f2f08d0 [ 50.226119] [ 50.226457] irq event stamp: 1709 [ 50.226977] hardirqs last enabled at (1719): [] __up_console_sem+0x78/0x80 [ 50.228202] hardirqs last disabled at (1728): [] __up_console_sem+0x5d/0x80 [ 50.229424] softirqs last enabled at (1320): [] handle_softirqs+0x50c/0x770 [ 50.230698] softirqs last disabled at (1747): [] __irq_exit_rcu+0xc4/0x100 [ 50.231928] ---[ end trace 0000000000000000 ]--- [ 51.072104] ------------[ cut here ]------------ [ 51.073089] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 51.075220] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 51.076845] Modules linked in: [ 51.077478] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 51.079591] Tainted: [W]=WARN [ 51.080176] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.081703] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 51.082673] 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 [ 51.085960] RSP: 0018:ffff888016ecfbc0 EFLAGS: 00010286 [ 51.086994] RAX: 0000000000000000 RBX: ffffed1002dd9f78 RCX: ffffffff813a4050 [ 51.088324] RDX: ffff888016ce1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 51.089668] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dd9f2f [ 51.091045] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 51.092381] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ecfdf8 [ 51.093705] FS: 00007f305e19d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 51.095236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.096365] CR2: 00007ffe72e61ef8 CR3: 00000000138a4000 CR4: 0000000000350ef0 [ 51.097693] Call Trace: [ 51.098220] [ 51.098708] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 51.099667] ? __create_object+0x59/0x80 [ 51.100449] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.101472] __vmalloc_noprof+0x59/0x60 [ 51.102303] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.103229] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.104211] bpf_prog_alloc+0x39/0x200 [ 51.104998] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.105995] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.106933] do_seccomp+0x349/0x25e0 [ 51.107704] ? find_held_lock+0x2b/0x80 [ 51.108454] ? do_prlimit+0x310/0x610 [ 51.109237] ? __pfx_do_seccomp+0x10/0x10 [ 51.110090] ? do_raw_spin_unlock+0x53/0x220 [ 51.110982] ? _raw_spin_unlock+0x1e/0x40 [ 51.111804] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.112825] ? static_key_count+0x60/0x80 [ 51.113660] prctl_set_seccomp+0x4e/0x70 [ 51.114455] __do_sys_prctl+0xe6c/0x1d70 [ 51.115311] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.116207] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.117235] ? irqentry_exit+0xf3/0x650 [ 51.118070] do_syscall_64+0xbf/0x430 [ 51.118838] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.119907] RIP: 0033:0x7f305e68f5cd [ 51.120807] 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 [ 51.124704] RSP: 002b:00007ffe72e60b70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.126390] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f305e68f5cd [ 51.127959] RDX: 0000563e65f8ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.129533] RBP: 00007ffe72e60bd0 R08: 0000000000000000 R09: 00007ffe72e60270 [ 51.131155] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563e923e9240 [ 51.132706] R13: 00007ffe72e61000 R14: 0000563e923e8bf0 R15: 0000563e923fd4d0 [ 51.134313] [ 51.134903] irq event stamp: 1767 [ 51.135739] hardirqs last enabled at (1777): [] __up_console_sem+0x78/0x80 [ 51.137626] hardirqs last disabled at (1786): [] __up_console_sem+0x5d/0x80 [ 51.139188] softirqs last enabled at (1678): [] handle_softirqs+0x50c/0x770 [ 51.140516] softirqs last disabled at (1673): [] __irq_exit_rcu+0xc4/0x100 [ 51.141827] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:28473' (ECDSA) to the list of known hosts. 2025/11/17 15:37:53 fuzzer started 2025/11/17 15:37:53 dialing manager at localhost:37895 2025/11/17 15:37:53 checking machine... 2025/11/17 15:37:53 checking revisions... [ 52.081824] kmemleak: Automatic memory scanning thread ended 2025/11/17 15:37:54 testing simple program... [ 52.180981] cgroup: Unknown subsys name 'net' [ 52.256340] cgroup: Unknown subsys name 'cpuset' [ 52.275376] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 15:37:53 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000001 RCX=ffffffff81b2d539 RDX=000000000000b2d5 RSI=000000000000b2d5 RDI=ffffffff86ef0528 RBP=ffff888009627898 RSP=ffff8880096277d0 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000000001 R12=ffff8880096278a0 R13=ffff888009627888 R14=ffff888009627881 R15=ffff888009627840 RIP=ffffffff8135e5e2 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f129e65b0b0 CR3=0000000009cca000 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=2032353a37333a353120373120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732032353a37333a3531203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=1ffffffff0b82250 RBX=0000000000000000 RCX=ffffffff817d9976 RDX=0000000000000000 RSI=dffffc0000000000 RDI=ffff88806cf31cd0 RBP=ffffffff85c0c110 RSP=ffff888009757d50 R8 =0000000000000000 R9 =fffffbfff0cc9eca R10=ffffffff8664f657 R11=0000000000000000 R12=0000000000000100 R13=0000000000000009 R14=0000000000000200 R15=0000000000000009 RIP=ffffffff813c10ac 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc21dbc000 CR3=000000000eadf000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000