[ 39.488814] ------------[ cut here ]------------ [ 39.489783] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.491887] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.493456] Modules linked in: [ 39.494079] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.496174] Tainted: [W]=WARN [ 39.496754] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.498321] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.499281] 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 [ 39.502653] RSP: 0018:ffff8880177cfbc0 EFLAGS: 00010286 [ 39.503689] RAX: 0000000000000000 RBX: ffffed1002ef9f78 RCX: ffffffff813a4050 [ 39.505040] RDX: ffff888013ead340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.506419] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ef9f2f [ 39.507782] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.509168] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880177cfdf8 [ 39.510542] FS: 00007f4764d4b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.512079] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.513226] CR2: 00007fff54bcfef7 CR3: 000000000e297000 CR4: 0000000000350ef0 [ 39.514621] Call Trace: [ 39.515130] [ 39.515611] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.516571] ? __create_object+0x59/0x80 [ 39.517429] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.518474] __vmalloc_noprof+0x59/0x60 [ 39.519292] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.520239] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.521253] bpf_prog_alloc+0x39/0x200 [ 39.522006] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.523013] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.523996] do_seccomp+0x349/0x25e0 [ 39.524770] ? find_held_lock+0x2b/0x80 [ 39.525608] ? do_prlimit+0x310/0x610 [ 39.526431] ? __pfx_do_seccomp+0x10/0x10 [ 39.527293] ? do_raw_spin_unlock+0x53/0x220 [ 39.528201] ? _raw_spin_unlock+0x1e/0x40 [ 39.529003] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.530072] ? static_key_count+0x60/0x80 [ 39.530952] prctl_set_seccomp+0x4e/0x70 [ 39.531811] __do_sys_prctl+0xe6c/0x1d70 [ 39.532668] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.533614] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.534675] ? irqentry_exit+0xf3/0x650 [ 39.535507] do_syscall_64+0xbf/0x430 [ 39.536320] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.537380] RIP: 0033:0x7f476523d5cd [ 39.538109] 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 [ 39.541542] RSP: 002b:00007fff54bce6c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.543061] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f476523d5cd [ 39.544496] RDX: 00005608bbe69e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.545936] RBP: 00007fff54bce720 R08: 0000000000000000 R09: 00007fff54bcddc0 [ 39.547358] R10: 0000000000000000 R11: 0000000000000246 R12: 00005608f2a01ad0 [ 39.548779] R13: 00007fff54bceb50 R14: 00005608f2a02bc0 R15: 00005608f2a13780 [ 39.550177] [ 39.550594] irq event stamp: 1721 [ 39.551240] hardirqs last enabled at (1731): [] __up_console_sem+0x78/0x80 [ 39.552753] hardirqs last disabled at (1740): [] __up_console_sem+0x5d/0x80 [ 39.554174] softirqs last enabled at (1660): [] handle_softirqs+0x50c/0x770 [ 39.555463] softirqs last disabled at (1655): [] __irq_exit_rcu+0xc4/0x100 [ 39.556751] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 43.179492] ------------[ cut here ]------------ [ 43.180473] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.182553] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 43.184040] Modules linked in: [ 43.184703] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.186752] Tainted: [W]=WARN [ 43.187364] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.188867] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.189814] 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 [ 43.193056] RSP: 0018:ffff88801c967bc0 EFLAGS: 00010286 [ 43.194069] RAX: 0000000000000000 RBX: ffffed100392cf78 RCX: ffffffff813a4050 [ 43.195385] RDX: ffff888016d28000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.196699] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100392cf2f [ 43.198031] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.199348] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c967df8 [ 43.200665] FS: 00007f349e309900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.202170] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.203272] CR2: 00007ffe05acbef7 CR3: 00000000206a9000 CR4: 0000000000350ef0 [ 43.204596] Call Trace: [ 43.205071] [ 43.205556] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.206468] ? __create_object+0x59/0x80 [ 43.207276] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.208275] __vmalloc_noprof+0x59/0x60 [ 43.209000] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.209914] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.210871] bpf_prog_alloc+0x39/0x200 [ 43.211636] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.212588] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.213526] do_seccomp+0x349/0x25e0 [ 43.214262] ? find_held_lock+0x2b/0x80 [ 43.214992] ? do_prlimit+0x310/0x610 [ 43.215759] ? __pfx_do_seccomp+0x10/0x10 [ 43.216563] ? do_raw_spin_unlock+0x53/0x220 [ 43.217455] ? _raw_spin_unlock+0x1e/0x40 [ 43.218258] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.219258] ? static_key_count+0x60/0x80 [ 43.220037] prctl_set_seccomp+0x4e/0x70 [ 43.220837] __do_sys_prctl+0xe6c/0x1d70 [ 43.221660] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.222542] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.223550] ? irqentry_exit+0xf3/0x650 [ 43.224341] do_syscall_64+0xbf/0x430 [ 43.225204] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.226238] RIP: 0033:0x7f349e7fb5cd [ 43.226917] 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 [ 43.230215] RSP: 002b:00007ffe05aca010 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.231617] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f349e7fb5cd [ 43.232936] RDX: 000055c35b026e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.234268] RBP: 00007ffe05aca070 R08: 0000000000000000 R09: 00007ffe05ac9710 [ 43.235578] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c381344b10 [ 43.236886] R13: 00007ffe05aca4a0 R14: 000055c3813452b0 R15: 000055c3813596f0 [ 43.238119] [ 43.238511] irq event stamp: 1745 [ 43.239031] hardirqs last enabled at (1753): [] __up_console_sem+0x78/0x80 [ 43.240291] hardirqs last disabled at (1762): [] __up_console_sem+0x5d/0x80 [ 43.241558] softirqs last enabled at (1692): [] handle_softirqs+0x50c/0x770 [ 43.242833] softirqs last disabled at (1687): [] __irq_exit_rcu+0xc4/0x100 [ 43.244082] ---[ end trace 0000000000000000 ]--- [ 44.047122] ------------[ cut here ]------------ [ 44.047861] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 44.049546] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 44.050727] Modules linked in: [ 44.051342] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 44.052984] Tainted: [W]=WARN [ 44.053488] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.054790] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 44.055635] 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 [ 44.058588] RSP: 0018:ffff888017407bc0 EFLAGS: 00010286 [ 44.059456] RAX: 0000000000000000 RBX: ffffed1002e80f78 RCX: ffffffff813a4050 [ 44.060520] RDX: ffff88800f851bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 44.061595] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e80f2f [ 44.062666] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 44.063737] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017407df8 [ 44.064804] FS: 00007f5b23dab900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 44.066018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.066902] CR2: 00007fff6177def7 CR3: 000000000d31b000 CR4: 0000000000350ef0 [ 44.067965] Call Trace: [ 44.068387] [ 44.068740] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 44.069502] ? __create_object+0x59/0x80 [ 44.070114] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 44.070932] __vmalloc_noprof+0x59/0x60 [ 44.071574] bpf_prog_alloc_no_stats+0x55/0x470 [ 44.072295] ? __pfx_seccomp_check_filter+0x10/0x10 [ 44.073029] bpf_prog_alloc+0x39/0x200 [ 44.073661] ? __pfx_seccomp_check_filter+0x10/0x10 [ 44.074434] bpf_prog_create_from_user+0xb2/0x2f0 [ 44.075182] do_seccomp+0x349/0x25e0 [ 44.075743] ? find_held_lock+0x2b/0x80 [ 44.076389] ? do_prlimit+0x310/0x610 [ 44.076974] ? __pfx_do_seccomp+0x10/0x10 [ 44.077628] ? do_raw_spin_unlock+0x53/0x220 [ 44.078328] ? _raw_spin_unlock+0x1e/0x40 [ 44.078971] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 44.079796] ? static_key_count+0x60/0x80 [ 44.080462] prctl_set_seccomp+0x4e/0x70 [ 44.081080] __do_sys_prctl+0xe6c/0x1d70 [ 44.081754] ? __pfx___do_sys_prctl+0x10/0x10 [ 44.082477] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 44.083297] ? irqentry_exit+0xf3/0x650 [ 44.083881] do_syscall_64+0xbf/0x430 [ 44.084498] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 44.085290] RIP: 0033:0x7f5b2429d5cd [ 44.085841] 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 [ 44.088460] RSP: 002b:00007fff6177cc30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 44.089602] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5b2429d5cd [ 44.090666] RDX: 0000558483292e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 44.091730] RBP: 00007fff6177cc90 R08: 0000000000000000 R09: 00007fff6177c330 [ 44.092876] R10: 0000000000000000 R11: 0000000000000246 R12: 000055849adbd2b0 [ 44.094073] R13: 00007fff6177d0c0 R14: 000055849adbfd20 R15: 000055849add18d0 [ 44.095276] [ 44.095679] irq event stamp: 1683 [ 44.096285] hardirqs last enabled at (1693): [] __up_console_sem+0x78/0x80 [ 44.097740] hardirqs last disabled at (1702): [] __up_console_sem+0x5d/0x80 [ 44.099189] softirqs last enabled at (1172): [] handle_softirqs+0x50c/0x770 [ 44.100636] softirqs last disabled at (1149): [] __irq_exit_rcu+0xc4/0x100 [ 44.102097] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:2044' (ECDSA) to the list of known hosts. 2025/11/17 18:43:22 fuzzer started 2025/11/17 18:43:23 dialing manager at localhost:37895 2025/11/17 18:43:23 checking machine... 2025/11/17 18:43:23 checking revisions... [ 45.018957] kmemleak: Automatic memory scanning thread ended 2025/11/17 18:43:23 testing simple program... [ 45.115347] cgroup: Unknown subsys name 'net' [ 45.188858] cgroup: Unknown subsys name 'cpuset' [ 45.204192] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 18:43:22 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888009611bc0 RCX=0000000000000001 RDX=1ffff110012c23f2 RSI=ffff888009612548 RDI=ffff888009611f98 RBP=1ffff1100d9c11dc RSP=ffff88806ce08eb8 R8 =0000000000000001 R9 =ffff888009611bd8 R10=ffffffff8664f657 R11=0000000000000001 R12=0000000000000000 R13=ffff888009612530 R14=0000000000000000 R15=ffff888009611bd4 RIP=ffffffff81490b76 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 00007f349e309900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe05ac4000 CR3=0000000020682000 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 info registers vcpu 1 RAX=ffff88800bef94d0 RBX=ffff88800bef94d0 RCX=ffff88800944cc80 RDX=ffffea00002fbe40 RSI=0000000000000000 RDI=ffff888008c41701 RBP=0000000000000000 RSP=ffff888015df7c50 R8 =0000000000000001 R9 =ffffffff81b2e2bb R10=ffffea0000312300 R11=0000000000000001 R12=0000000000000000 R13=ffff888015df7c88 R14=ffff88800c48c940 R15=ffff88800c48c940 RIP=ffffffff81b2e306 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 00007f39c8645900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055c381382148 CR3=000000000d0b2000 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=70202afa11af2c9300000000000ae988 XMM05=424577d6377410a60000000000320af8 XMM06=090f1556b20111b3000000000031ef28 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000