[ 39.021022] ------------[ cut here ]------------ [ 39.021922] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.023948] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.025391] Modules linked in: [ 39.025975] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.027963] Tainted: [W]=WARN [ 39.028551] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.030250] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.031225] 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 [ 39.034397] RSP: 0018:ffff88801901fbc0 EFLAGS: 00010286 [ 39.035362] RAX: 0000000000000000 RBX: ffffed1003203f78 RCX: ffffffff813a4050 [ 39.036650] RDX: ffff888015ca1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.037922] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003203f2f [ 39.039197] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.040463] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801901fdf8 [ 39.041770] FS: 00007ff975afa900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.043194] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.044248] CR2: 00007fffb9cffef7 CR3: 000000000c43c000 CR4: 0000000000350ef0 [ 39.045535] Call Trace: [ 39.045994] [ 39.046443] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.047337] ? __create_object+0x59/0x80 [ 39.048090] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.049062] __vmalloc_noprof+0x59/0x60 [ 39.049808] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.050682] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.051619] bpf_prog_alloc+0x39/0x200 [ 39.052349] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.053238] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.054135] do_seccomp+0x349/0x25e0 [ 39.054850] ? find_held_lock+0x2b/0x80 [ 39.055610] ? do_prlimit+0x310/0x610 [ 39.056348] ? __pfx_do_seccomp+0x10/0x10 [ 39.057104] ? do_raw_spin_unlock+0x53/0x220 [ 39.057926] ? _raw_spin_unlock+0x1e/0x40 [ 39.058706] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.059662] ? static_key_count+0x60/0x80 [ 39.060455] prctl_set_seccomp+0x4e/0x70 [ 39.061204] __do_sys_prctl+0xe6c/0x1d70 [ 39.061983] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.062840] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.063806] ? irqentry_exit+0xf3/0x650 [ 39.064581] do_syscall_64+0xbf/0x430 [ 39.065346] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.066263] RIP: 0033:0x7ff975fec5cd [ 39.066970] 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 [ 39.070143] RSP: 002b:00007fffb9cfe040 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.071514] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff975fec5cd [ 39.072803] RDX: 0000559bfdb86e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.074084] RBP: 00007fffb9cfe0a0 R08: 0000000000000000 R09: 00007fffb9cfd740 [ 39.075373] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559c08094bf0 [ 39.076663] R13: 00007fffb9cfe4d0 R14: 0000559c0809e380 R15: 0000559c080a9460 [ 39.077845] [ 39.078194] irq event stamp: 1805 [ 39.078738] hardirqs last enabled at (1815): [] __up_console_sem+0x78/0x80 [ 39.079998] hardirqs last disabled at (1824): [] __up_console_sem+0x5d/0x80 [ 39.081256] softirqs last enabled at (1774): [] handle_softirqs+0x50c/0x770 [ 39.082562] softirqs last disabled at (1769): [] __irq_exit_rcu+0xc4/0x100 [ 39.083794] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.107146] ------------[ cut here ]------------ [ 42.108095] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.110153] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.111623] Modules linked in: [ 42.112223] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.114441] Tainted: [W]=WARN [ 42.114986] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.116639] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.117625] 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 [ 42.120739] RSP: 0018:ffff888016997bc0 EFLAGS: 00010286 [ 42.121711] RAX: 0000000000000000 RBX: ffffed1002d32f78 RCX: ffffffff813a4050 [ 42.122984] RDX: ffff8880173b9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.124240] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d32f2f [ 42.125509] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.126797] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016997df8 [ 42.128049] FS: 00007ff2ba67a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.129484] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.130536] CR2: 00007ffde873cef7 CR3: 0000000020cab000 CR4: 0000000000350ef0 [ 42.131809] Call Trace: [ 42.132273] [ 42.132733] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.133629] ? __create_object+0x59/0x80 [ 42.134409] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.135363] __vmalloc_noprof+0x59/0x60 [ 42.136068] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.136945] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.137862] bpf_prog_alloc+0x39/0x200 [ 42.138590] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.139517] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.140421] do_seccomp+0x349/0x25e0 [ 42.141103] ? find_held_lock+0x2b/0x80 [ 42.141860] ? do_prlimit+0x310/0x610 [ 42.142594] ? __pfx_do_seccomp+0x10/0x10 [ 42.143371] ? do_raw_spin_unlock+0x53/0x220 [ 42.144145] ? _raw_spin_unlock+0x1e/0x40 [ 42.144932] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.145895] ? static_key_count+0x60/0x80 [ 42.146693] prctl_set_seccomp+0x4e/0x70 [ 42.147480] __do_sys_prctl+0xe6c/0x1d70 [ 42.148204] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.149053] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.150006] ? irqentry_exit+0xf3/0x650 [ 42.150760] do_syscall_64+0xbf/0x430 [ 42.151495] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.152439] RIP: 0033:0x7ff2bab6c5cd [ 42.153099] 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 [ 42.156183] RSP: 002b:00007ffde873b4b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.157544] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff2bab6c5cd [ 42.158923] RDX: 000055dd918b6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.160211] RBP: 00007ffde873b510 R08: 0000000000000000 R09: 00007ffde873abb0 [ 42.161474] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ddd11382b0 [ 42.162731] R13: 00007ffde873b940 R14: 000055ddd113ad20 R15: 000055ddd114c8d0 [ 42.164011] [ 42.164464] irq event stamp: 1857 [ 42.165067] hardirqs last enabled at (1865): [] __up_console_sem+0x78/0x80 [ 42.166315] hardirqs last disabled at (1874): [] __up_console_sem+0x5d/0x80 [ 42.167560] softirqs last enabled at (1804): [] handle_softirqs+0x50c/0x770 [ 42.169056] softirqs last disabled at (1789): [] __irq_exit_rcu+0xc4/0x100 [ 42.170304] ---[ end trace 0000000000000000 ]--- [ 42.765976] ------------[ cut here ]------------ [ 42.766898] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.768922] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.770372] Modules linked in: [ 42.770953] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.772937] Tainted: [W]=WARN [ 42.773544] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.774998] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.775891] 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 [ 42.779071] RSP: 0018:ffff8880165f7bc0 EFLAGS: 00010286 [ 42.780041] RAX: 0000000000000000 RBX: ffffed1002cbef78 RCX: ffffffff813a4050 [ 42.781317] RDX: ffff8880156d8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.782585] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cbef2f [ 42.783871] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.785150] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880165f7df8 [ 42.786436] FS: 00007fb621c4b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.788013] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.789084] CR2: 00007ffe37b0eef7 CR3: 000000000e293000 CR4: 0000000000350ef0 [ 42.790358] Call Trace: [ 42.790818] [ 42.791216] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.792106] ? __create_object+0x59/0x80 [ 42.792921] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.793883] __vmalloc_noprof+0x59/0x60 [ 42.794635] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.795510] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.796442] bpf_prog_alloc+0x39/0x200 [ 42.797144] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.798073] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.798973] do_seccomp+0x349/0x25e0 [ 42.799690] ? find_held_lock+0x2b/0x80 [ 42.800436] ? do_prlimit+0x310/0x610 [ 42.801148] ? __pfx_do_seccomp+0x10/0x10 [ 42.801940] ? do_raw_spin_unlock+0x53/0x220 [ 42.802763] ? _raw_spin_unlock+0x1e/0x40 [ 42.803538] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.804502] ? static_key_count+0x60/0x80 [ 42.805260] prctl_set_seccomp+0x4e/0x70 [ 42.806048] __do_sys_prctl+0xe6c/0x1d70 [ 42.806823] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.807692] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.808683] ? irqentry_exit+0xf3/0x650 [ 42.809449] do_syscall_64+0xbf/0x430 [ 42.810145] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.811094] RIP: 0033:0x7fb62213d5cd [ 42.811798] 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 [ 42.814966] RSP: 002b:00007ffe37b0dd50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.816336] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb62213d5cd [ 42.817528] RDX: 000055d116f9fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.818341] RBP: 00007ffe37b0ddb0 R08: 0000000000000000 R09: 00007ffe37b0d450 [ 42.819127] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d14430e2b0 [ 42.819951] R13: 00007ffe37b0e1e0 R14: 000055d144310d20 R15: 000055d1443228d0 [ 42.820792] [ 42.821063] irq event stamp: 1737 [ 42.821444] hardirqs last enabled at (1747): [] __up_console_sem+0x78/0x80 [ 42.822137] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 42.822843] softirqs last enabled at (1604): [] handle_softirqs+0x50c/0x770 [ 42.823554] softirqs last disabled at (1597): [] __irq_exit_rcu+0xc4/0x100 [ 42.824236] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:65035' (ECDSA) to the list of known hosts. 2025/11/17 19:37:04 fuzzer started 2025/11/17 19:37:05 dialing manager at localhost:37895 2025/11/17 19:37:05 checking machine... 2025/11/17 19:37:05 checking revisions... [ 43.679088] kmemleak: Automatic memory scanning thread ended 2025/11/17 19:37:05 testing simple program... [ 43.764739] cgroup: Unknown subsys name 'net' [ 43.830980] cgroup: Unknown subsys name 'cpuset' [ 43.851932] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 19:37:04 Registers: info registers vcpu 0 RAX=0000000080000000 RBX=0000000000000000 RCX=ffffffff826321a0 RDX=ffff8880199f5340 RSI=ffffffff826321b6 RDI=0000000000000001 RBP=0000000000000020 RSP=ffff88801ba2fd08 R8 =0000000000000001 R9 =0000000000000001 R10=0000000000000001 R11=0000000000000000 R12=ffffffff85c16740 R13=ffffffffffffffff R14=1ffff11003745fa5 R15=ffffffff85c16798 RIP=ffffffff81751c87 RFL=00000293 [--S-A-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 00007ff2ba67a900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff2ba644008 CR3=000000000cf4f000 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=ffff88806cf37410 RBX=0000000000000009 RCX=1ffff110012c2702 RDX=1ffff110012c2702 RSI=ffff88806cf37438 RDI=ffff888009613810 RBP=ffff888009613850 RSP=ffff88806cf08dc8 R8 =ffff888009613810 R9 =ffff88806cf37410 R10=1ffff1100d9e6fd7 R11=ffff88806cf37498 R12=ffff88806cf37400 R13=ffff888009613800 R14=ffff8880096138a8 R15=dffffc0000000000 RIP=ffffffff814aebd8 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 fffffe4c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe7405d948 CR3=0000000013af9000 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=37333a393120373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343438 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000