[ 39.076779] ------------[ cut here ]------------ [ 39.077685] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.079721] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.081168] Modules linked in: [ 39.081756] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.083920] Tainted: [W]=WARN [ 39.084457] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.085954] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.086808] 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 [ 39.089932] RSP: 0018:ffff8880176a7bc0 EFLAGS: 00010286 [ 39.090894] RAX: 0000000000000000 RBX: ffffed1002ed4f78 RCX: ffffffff813a4050 [ 39.092140] RDX: ffff88801a215340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.093391] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ed4f2f [ 39.094638] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.095908] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880176a7df8 [ 39.097154] FS: 00007f6930307900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.098574] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.099621] CR2: 00007fffb8c89ef7 CR3: 0000000017258000 CR4: 0000000000350ef0 [ 39.100875] Call Trace: [ 39.101318] [ 39.101749] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.102635] ? __create_object+0x59/0x80 [ 39.103396] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.104363] __vmalloc_noprof+0x59/0x60 [ 39.105104] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.105982] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.106837] bpf_prog_alloc+0x39/0x200 [ 39.107563] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.108482] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.109369] do_seccomp+0x349/0x25e0 [ 39.110092] ? find_held_lock+0x2b/0x80 [ 39.110796] ? do_prlimit+0x310/0x610 [ 39.111535] ? __pfx_do_seccomp+0x10/0x10 [ 39.112296] ? do_raw_spin_unlock+0x53/0x220 [ 39.113105] ? _raw_spin_unlock+0x1e/0x40 [ 39.113826] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.114778] ? static_key_count+0x60/0x80 [ 39.115565] prctl_set_seccomp+0x4e/0x70 [ 39.116341] __do_sys_prctl+0xe6c/0x1d70 [ 39.117094] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.117967] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.118918] ? irqentry_exit+0xf3/0x650 [ 39.119630] do_syscall_64+0xbf/0x430 [ 39.120364] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.121287] RIP: 0033:0x7f69307f95cd [ 39.121975] 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 [ 39.125067] RSP: 002b:00007fffb8c87530 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.126379] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f69307f95cd [ 39.127640] RDX: 0000556ae49a7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.128892] RBP: 00007fffb8c87590 R08: 0000000000000000 R09: 00007fffb8c86c30 [ 39.130148] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556ae8a632b0 [ 39.131177] R13: 00007fffb8c879c0 R14: 0000556ae8a65d20 R15: 0000556ae8a778d0 [ 39.132209] [ 39.132548] irq event stamp: 1783 [ 39.133071] hardirqs last enabled at (1793): [] __up_console_sem+0x78/0x80 [ 39.134309] hardirqs last disabled at (1802): [] __up_console_sem+0x5d/0x80 [ 39.135519] softirqs last enabled at (1752): [] handle_softirqs+0x50c/0x770 [ 39.136745] softirqs last disabled at (1747): [] __irq_exit_rcu+0xc4/0x100 [ 39.137962] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.646659] ------------[ cut here ]------------ [ 42.647594] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.649623] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.651147] Modules linked in: [ 42.651764] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.653997] Tainted: [W]=WARN [ 42.654697] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.656531] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.657509] 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 [ 42.660841] RSP: 0018:ffff888014777bc0 EFLAGS: 00010286 [ 42.661925] RAX: 0000000000000000 RBX: ffffed10028eef78 RCX: ffffffff813a4050 [ 42.663247] RDX: ffff888016480000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.664537] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10028eef2f [ 42.665872] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.667157] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888014777df8 [ 42.668453] FS: 00007f99fd01a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.669901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.670982] CR2: 00007ffedc226ef7 CR3: 000000001e9c2000 CR4: 0000000000350ef0 [ 42.672279] Call Trace: [ 42.672760] [ 42.673208] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.674125] ? __create_object+0x59/0x80 [ 42.674923] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.675898] __vmalloc_noprof+0x59/0x60 [ 42.676648] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.677570] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.678553] bpf_prog_alloc+0x39/0x200 [ 42.679646] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.680612] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.681607] do_seccomp+0x349/0x25e0 [ 42.682364] ? find_held_lock+0x2b/0x80 [ 42.683162] ? do_prlimit+0x310/0x610 [ 42.683915] ? __pfx_do_seccomp+0x10/0x10 [ 42.684691] ? do_raw_spin_unlock+0x53/0x220 [ 42.685596] ? _raw_spin_unlock+0x1e/0x40 [ 42.686388] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.687361] ? static_key_count+0x60/0x80 [ 42.688160] prctl_set_seccomp+0x4e/0x70 [ 42.688936] __do_sys_prctl+0xe6c/0x1d70 [ 42.689723] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.690590] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.691571] ? irqentry_exit+0xf3/0x650 [ 42.692349] do_syscall_64+0xbf/0x430 [ 42.693089] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.694072] RIP: 0033:0x7f99fd50c5cd [ 42.694735] 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 [ 42.697913] RSP: 002b:00007ffedc2242c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.699283] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f99fd50c5cd [ 42.700565] RDX: 000055fc475abe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.701866] RBP: 00007ffedc224320 R08: 0000000000000000 R09: 00007ffedc2239c0 [ 42.703159] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fc77da4ad0 [ 42.704447] R13: 00007ffedc224750 R14: 000055fc77da5bc0 R15: 000055fc77db6780 [ 42.705759] [ 42.706222] irq event stamp: 1769 [ 42.706836] hardirqs last enabled at (1777): [] __up_console_sem+0x78/0x80 [ 42.708387] hardirqs last disabled at (1788): [] __up_console_sem+0x5d/0x80 [ 42.709898] softirqs last enabled at (1652): [] handle_softirqs+0x50c/0x770 [ 42.711180] softirqs last disabled at (1647): [] __irq_exit_rcu+0xc4/0x100 [ 42.712427] ---[ end trace 0000000000000000 ]--- [ 43.562362] ------------[ cut here ]------------ [ 43.563537] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.566120] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.568395] Modules linked in: [ 43.569267] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.571794] Tainted: [W]=WARN [ 43.572565] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.574435] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.575612] 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 [ 43.579654] RSP: 0018:ffff88800f48fbc0 EFLAGS: 00010286 [ 43.580911] RAX: 0000000000000000 RBX: ffffed1001e91f78 RCX: ffffffff813a4050 [ 43.582545] RDX: ffff8880187d0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.584168] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e91f2f [ 43.585766] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.586862] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f48fdf8 [ 43.587933] FS: 00007f832a35b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.589138] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.590036] CR2: 00007ffd78039ef7 CR3: 000000000ca25000 CR4: 0000000000350ef0 [ 43.591098] Call Trace: [ 43.591486] [ 43.591833] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.592576] ? __create_object+0x59/0x80 [ 43.593216] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.594024] __vmalloc_noprof+0x59/0x60 [ 43.594625] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.595341] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.596102] bpf_prog_alloc+0x39/0x200 [ 43.596684] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.597448] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.598203] do_seccomp+0x349/0x25e0 [ 43.598762] ? find_held_lock+0x2b/0x80 [ 43.599392] ? do_prlimit+0x310/0x610 [ 43.600000] ? __pfx_do_seccomp+0x10/0x10 [ 43.600617] ? do_raw_spin_unlock+0x53/0x220 [ 43.601310] ? _raw_spin_unlock+0x1e/0x40 [ 43.601957] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.602723] ? static_key_count+0x60/0x80 [ 43.603385] prctl_set_seccomp+0x4e/0x70 [ 43.604024] __do_sys_prctl+0xe6c/0x1d70 [ 43.604634] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.605342] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.606156] ? irqentry_exit+0xf3/0x650 [ 43.606754] do_syscall_64+0xbf/0x430 [ 43.607362] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.608161] RIP: 0033:0x7f832a84d5cd [ 43.608718] 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 [ 43.611370] RSP: 002b:00007ffd78037d30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.612501] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f832a84d5cd [ 43.613568] RDX: 00005571f4917e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.614630] RBP: 00007ffd78037d90 R08: 0000000000000000 R09: 00007ffd78037430 [ 43.615695] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557228a28240 [ 43.616757] R13: 00007ffd780381c0 R14: 0000557228a27bf0 R15: 0000557228a3c4d0 [ 43.617841] [ 43.618216] irq event stamp: 1837 [ 43.618721] hardirqs last enabled at (1845): [] __up_console_sem+0x78/0x80 [ 43.619982] hardirqs last disabled at (1854): [] __up_console_sem+0x5d/0x80 [ 43.621250] softirqs last enabled at (1646): [] handle_softirqs+0x50c/0x770 [ 43.622526] softirqs last disabled at (1641): [] __irq_exit_rcu+0xc4/0x100 [ 43.623771] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:63801' (ECDSA) to the list of known hosts. 2025/11/17 16:47:10 fuzzer started 2025/11/17 16:47:10 dialing manager at localhost:37895 2025/11/17 16:47:10 checking machine... 2025/11/17 16:47:10 checking revisions... [ 44.476501] kmemleak: Automatic memory scanning thread ended 2025/11/17 16:47:11 testing simple program... [ 44.566006] cgroup: Unknown subsys name 'net' [ 44.634974] cgroup: Unknown subsys name 'cpuset' [ 44.652902] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 16:47:10 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=1ffff110030bcfa3 RCX=ffffffff81a055fc RDX=ffff888016481bc0 RSI=ffffffff81a05d44 RDI=0000000000000007 RBP=800000001ce91025 RSP=ffff8880185e7cd0 R8 =0000000000000001 R9 =ffffed10030bcf8d R10=0000000000000000 R11=0000000000000001 R12=ffff88801f0448b0 R13=0000000000001a55 R14=0000000000000000 R15=ffff88801e894bd0 RIP=ffffffff81751c78 RFL=00000246 [---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 =0000 0000000000000000 00000000 00000000 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=00007fdea3f16dc8 CR3=000000001ebed000 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=6f732e3562726b62696c2f756e672d78 XMM02=00332e6f732e3562726b62696c2f756e 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 info registers vcpu 1 RAX=0000000000000000 RBX=ffff888015f48000 RCX=0000000000000100 RDX=0000000000000008 RSI=ffff888015f48aa8 RDI=ffff888015f48aa8 RBP=ffff888015f48a58 RSP=ffff88806cf08c10 R8 =0000000000000002 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff888015f48aa8 R13=8bd88d3705029d1b R14=0000000000000001 R15=0000000000000002 RIP=ffffffff81527588 RFL=00000086 [--S--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 00007f99fd01a900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f99fd5d1618 CR3=000000001ea5b000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000