Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 46.354579] ------------[ cut here ]------------ [ 46.355562] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.357554] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 46.358986] Modules linked in: [ 46.359630] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.361628] Tainted: [W]=WARN [ 46.362184] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.363680] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.364579] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 46.367774] RSP: 0018:ffff88801bd47bc0 EFLAGS: 00010286 [ 46.368748] RAX: 0000000000000000 RBX: ffffed10037a8f78 RCX: ffffffff813a4050 [ 46.370028] RDX: ffff8880177b9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.371330] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10037a8f2f [ 46.372624] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.373919] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801bd47df8 [ 46.375198] FS: 00007fc08a48c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.376650] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.377709] CR2: 00007fffcc520ef8 CR3: 000000000f30c000 CR4: 0000000000350ef0 [ 46.378998] Call Trace: [ 46.379520] [ 46.379934] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.380833] ? __create_object+0x59/0x80 [ 46.381621] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.382600] __vmalloc_noprof+0x59/0x60 [ 46.383361] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.384201] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.385136] bpf_prog_alloc+0x39/0x200 [ 46.385861] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.386783] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.387714] do_seccomp+0x349/0x25e0 [ 46.388441] ? find_held_lock+0x2b/0x80 [ 46.389168] ? do_prlimit+0x310/0x610 [ 46.389912] ? __pfx_do_seccomp+0x10/0x10 [ 46.390703] ? do_raw_spin_unlock+0x53/0x220 [ 46.391552] ? _raw_spin_unlock+0x1e/0x40 [ 46.392289] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.393265] ? static_key_count+0x60/0x80 [ 46.394081] prctl_set_seccomp+0x4e/0x70 [ 46.394868] __do_sys_prctl+0xe6c/0x1d70 [ 46.395686] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.396551] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.397523] ? irqentry_exit+0xf3/0x650 [ 46.398242] do_syscall_64+0xbf/0x430 [ 46.398984] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.399962] RIP: 0033:0x7fc08a97e5cd [ 46.400670] 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 [ 46.403844] RSP: 002b:00007fffcc51f3f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.405219] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc08a97e5cd [ 46.406516] RDX: 000055876eb27e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.407800] RBP: 00007fffcc51f450 R08: 0000000000000000 R09: 00007fffcc51eaf0 [ 46.409089] R10: 0000000000000000 R11: 0000000000000246 R12: 000055877e781ad0 [ 46.410381] R13: 00007fffcc51f880 R14: 000055877e782bc0 R15: 000055877e793780 [ 46.411753] [ 46.412187] irq event stamp: 1739 [ 46.412840] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 46.414370] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 46.415912] softirqs last enabled at (1688): [] handle_softirqs+0x50c/0x770 [ 46.417428] softirqs last disabled at (1681): [] __irq_exit_rcu+0xc4/0x100 [ 46.418917] ---[ end trace 0000000000000000 ]--- [ 49.331162] ------------[ cut here ]------------ [ 49.332121] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.334222] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/239 [ 49.335794] Modules linked in: [ 49.336679] CPU: 0 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.338794] Tainted: [W]=WARN [ 49.339439] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.340996] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.341957] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 49.345290] RSP: 0018:ffff888016fbfbc0 EFLAGS: 00010286 [ 49.346384] RAX: 0000000000000000 RBX: ffffed1002df7f78 RCX: ffffffff813a4050 [ 49.347754] RDX: ffff88801bff0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.349134] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002df7f2f [ 49.350507] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.351883] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016fbfdf8 [ 49.353249] FS: 00007fcc63927900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.354796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.355944] CR2: 00007ffe5ed40ef8 CR3: 000000001fefc000 CR4: 0000000000350ef0 [ 49.357340] Call Trace: [ 49.357843] [ 49.358286] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.359258] ? __create_object+0x59/0x80 [ 49.360125] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.361162] __vmalloc_noprof+0x59/0x60 [ 49.361989] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.362941] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.363975] bpf_prog_alloc+0x39/0x200 [ 49.364780] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.365785] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.366775] do_seccomp+0x349/0x25e0 [ 49.367581] ? find_held_lock+0x2b/0x80 [ 49.368405] ? do_prlimit+0x310/0x610 [ 49.369175] ? __pfx_do_seccomp+0x10/0x10 [ 49.370042] ? do_raw_spin_unlock+0x53/0x220 [ 49.370956] ? _raw_spin_unlock+0x1e/0x40 [ 49.371833] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.372889] ? static_key_count+0x60/0x80 [ 49.373768] prctl_set_seccomp+0x4e/0x70 [ 49.374629] __do_sys_prctl+0xe6c/0x1d70 [ 49.375517] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.376468] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.377540] ? irqentry_exit+0xf3/0x650 [ 49.378399] do_syscall_64+0xbf/0x430 [ 49.379169] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.380235] RIP: 0033:0x7fcc63e195cd [ 49.381008] 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 [ 49.384554] RSP: 002b:00007ffe5ed3f890 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.386123] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcc63e195cd [ 49.387571] RDX: 000055a5f7767e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.389018] RBP: 00007ffe5ed3f8f0 R08: 0000000000000000 R09: 00007ffe5ed3ef90 [ 49.390444] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a600358b10 [ 49.391896] R13: 00007ffe5ed3fd20 R14: 000055a6003592b0 R15: 000055a60036d6f0 [ 49.393348] [ 49.393813] irq event stamp: 1761 [ 49.394541] hardirqs last enabled at (1771): [] __up_console_sem+0x78/0x80 [ 49.396128] hardirqs last disabled at (1780): [] __up_console_sem+0x5d/0x80 [ 49.397399] softirqs last enabled at (1576): [] handle_softirqs+0x50c/0x770 [ 49.398677] softirqs last disabled at (1571): [] __irq_exit_rcu+0xc4/0x100 [ 49.399942] ---[ end trace 0000000000000000 ]--- [ 50.231693] ------------[ cut here ]------------ [ 50.232761] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.234927] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/246 [ 50.236602] Modules linked in: [ 50.237244] CPU: 1 UID: 104 PID: 246 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.239410] Tainted: [W]=WARN [ 50.240014] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.241610] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.242601] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 50.246048] RSP: 0018:ffff888017257bc0 EFLAGS: 00010286 [ 50.247103] RAX: 0000000000000000 RBX: ffffed1002e4af78 RCX: ffffffff813a4050 [ 50.248501] RDX: ffff88801a2a5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.249884] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e4af2f [ 50.251252] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.252634] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017257df8 [ 50.254010] FS: 00007f2fb729b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.255568] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.256722] CR2: 00007f2fb78014a6 CR3: 0000000009d9d000 CR4: 0000000000350ef0 [ 50.258103] Call Trace: [ 50.258649] [ 50.259091] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.260057] ? __create_object+0x59/0x80 [ 50.260896] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.261929] __vmalloc_noprof+0x59/0x60 [ 50.262737] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.263675] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.264666] bpf_prog_alloc+0x39/0x200 [ 50.265455] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.266448] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.267430] do_seccomp+0x349/0x25e0 [ 50.268148] ? find_held_lock+0x2b/0x80 [ 50.268956] ? do_prlimit+0x310/0x610 [ 50.269757] ? __pfx_do_seccomp+0x10/0x10 [ 50.270601] ? do_raw_spin_unlock+0x53/0x220 [ 50.271501] ? _raw_spin_unlock+0x1e/0x40 [ 50.272278] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.273290] ? static_key_count+0x60/0x80 [ 50.274139] prctl_set_seccomp+0x4e/0x70 [ 50.274961] __do_sys_prctl+0xe6c/0x1d70 [ 50.275798] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.276709] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.277741] ? irqentry_exit+0xf3/0x650 [ 50.278542] do_syscall_64+0xbf/0x430 [ 50.279272] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.280287] RIP: 0033:0x7f2fb778d5cd [ 50.281036] 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 [ 50.284389] RSP: 002b:00007fffce25f230 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.285808] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2fb778d5cd [ 50.287144] RDX: 000055ee39263e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.288490] RBP: 00007fffce25f290 R08: 0000000000000000 R09: 00007fffce25e930 [ 50.289648] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ee7263fad0 [ 50.290814] R13: 00007fffce25f6c0 R14: 000055ee72640bc0 R15: 000055ee72651780 [ 50.292002] [ 50.292422] irq event stamp: 1769 [ 50.292974] hardirqs last enabled at (1777): [] __up_console_sem+0x78/0x80 [ 50.294346] hardirqs last disabled at (1786): [] __up_console_sem+0x5d/0x80 [ 50.295726] softirqs last enabled at (1690): [] handle_softirqs+0x50c/0x770 [ 50.297112] softirqs last disabled at (1685): [] __irq_exit_rcu+0xc4/0x100 [ 50.298463] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:30215' (ECDSA) to the list of known hosts. 2025/11/18 20:47:44 fuzzer started 2025/11/18 20:47:44 dialing manager at localhost:34383 2025/11/18 20:47:44 checking machine... 2025/11/18 20:47:44 checking revisions... [ 51.196038] kmemleak: Automatic memory scanning thread ended 2025/11/18 20:47:44 testing simple program... [ 51.294900] cgroup: Unknown subsys name 'net' [ 51.351880] cgroup: Unknown subsys name 'cpuset' [ 51.364822] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 20:47:43 Registers: info registers vcpu 0 RAX=ffff88800cdef6f0 RBX=ffff88800cdef6f0 RCX=0000000000000000 RDX=0000000000000000 RSI=ffff888008c4b77f RDI=ffffffff81ab08ba RBP=ffff888008c4b780 RSP=ffff8880137f7c50 R8 =0000000000000001 R9 =0000000000000001 R10=ffffffff8664f857 R11=0000000000000000 R12=0000000000000000 R13=ffff8880137f7c88 R14=ffff88801d035f50 R15=ffff88801d036870 RIP=ffffffff81b2e405 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 =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f3ea7d01900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc3cb28468 CR3=000000000d46a000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=c9ad7c14ea20e40800000000000ae988 XMM05=30489dd5222f099c0000000000321390 XMM06=e46377635da5581a000000000031fea8 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=ffffffff83cb8f70 RCX=ffff88801c137334 RDX=1ffff11003826e87 RSI=ffffffff85e1ffe0 RDI=ffffffff83cb8f70 RBP=ffffffff83cb8f70 RSP=ffff88801c1373a8 R8 =0000000000000001 R9 =ffff88801c137420 R10=000000000003c9ed R11=000000000009b590 R12=ffff88801c1374a8 R13=0000000000000000 R14=ffff8880162c9bc0 R15=ffff8880096c7b40 RIP=ffffffff81439cde RFL=00000282 [--S----] 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 00007fcc63927900 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=00007ffe5ed39000 CR3=000000000cb2e000 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