[ 39.190248] ------------[ cut here ]------------ [ 39.190698] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.191649] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.192489] Modules linked in: [ 39.192826] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.193869] Tainted: [W]=WARN [ 39.194206] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.195011] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.195954] 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 [ 39.197558] RSP: 0018:ffff88801b89fbc0 EFLAGS: 00010286 [ 39.198124] RAX: 0000000000000000 RBX: ffffed1003713f78 RCX: ffffffff813a4050 [ 39.198788] RDX: ffff888017308000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.199544] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003713f2f [ 39.200224] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.200849] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b89fdf8 [ 39.201621] FS: 00007f2a83833900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.202367] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.202859] CR2: 00007f2a83d25580 CR3: 000000000bd68000 CR4: 0000000000350ef0 [ 39.203601] Call Trace: [ 39.203873] [ 39.204101] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.204633] ? __create_object+0x59/0x80 [ 39.205081] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.205653] __vmalloc_noprof+0x59/0x60 [ 39.206087] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.206589] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.207117] bpf_prog_alloc+0x39/0x200 [ 39.207556] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.208071] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.208620] do_seccomp+0x349/0x25e0 [ 39.209022] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.209551] ? __pfx_do_seccomp+0x10/0x10 [ 39.209997] ? find_held_lock+0x2b/0x80 [ 39.210383] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.210863] ? static_key_count+0x60/0x80 [ 39.211311] prctl_set_seccomp+0x4e/0x70 [ 39.211768] __do_sys_prctl+0xe6c/0x1d70 [ 39.212181] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.212598] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.213134] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.213691] ? irqentry_exit+0xf3/0x650 [ 39.214132] do_syscall_64+0xbf/0x430 [ 39.214575] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.215109] RIP: 0033:0x7f2a83d255cd [ 39.215516] 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 [ 39.217152] RSP: 002b:00007ffe8f1085f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.217813] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a83d255cd [ 39.218946] RDX: 000055a61dc68e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.220101] RBP: 00007ffe8f108650 R08: 0000000000000000 R09: 00007ffe8f107cf0 [ 39.221239] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a631313bf0 [ 39.222394] R13: 00007ffe8f108a80 R14: 000055a63131d380 R15: 000055a631328460 [ 39.223569] [ 39.223943] irq event stamp: 1751 [ 39.224528] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 39.225874] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 39.227245] softirqs last enabled at (400): [] handle_softirqs+0x50c/0x770 [ 39.228611] softirqs last disabled at (393): [] __irq_exit_rcu+0xc4/0x100 [ 39.229937] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.543167] ------------[ cut here ]------------ [ 41.544066] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.546070] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 41.547548] Modules linked in: [ 41.548143] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.550162] Tainted: [W]=WARN [ 41.550758] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.552474] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.553345] 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 [ 41.556623] RSP: 0018:ffff888016177bc0 EFLAGS: 00010286 [ 41.557617] RAX: 0000000000000000 RBX: ffffed1002c2ef78 RCX: ffffffff813a4050 [ 41.558953] RDX: ffff888016298000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.560239] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c2ef2f [ 41.561509] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.562814] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016177df8 [ 41.564091] FS: 00007f6c49ddc900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.565518] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.566641] CR2: 00007fff35d72ef8 CR3: 000000000a580000 CR4: 0000000000350ef0 [ 41.567927] Call Trace: [ 41.568450] [ 41.568870] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.569771] ? __create_object+0x59/0x80 [ 41.570587] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.571570] __vmalloc_noprof+0x59/0x60 [ 41.572285] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.573143] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.574102] bpf_prog_alloc+0x39/0x200 [ 41.574842] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.575770] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.576658] do_seccomp+0x349/0x25e0 [ 41.577317] ? find_held_lock+0x2b/0x80 [ 41.578094] ? do_prlimit+0x310/0x610 [ 41.578851] ? __pfx_do_seccomp+0x10/0x10 [ 41.579642] ? do_raw_spin_unlock+0x53/0x220 [ 41.580487] ? _raw_spin_unlock+0x1e/0x40 [ 41.581229] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.582217] ? static_key_count+0x60/0x80 [ 41.583021] prctl_set_seccomp+0x4e/0x70 [ 41.583799] __do_sys_prctl+0xe6c/0x1d70 [ 41.584584] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.585404] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.586400] ? irqentry_exit+0xf3/0x650 [ 41.587170] do_syscall_64+0xbf/0x430 [ 41.587904] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.588865] RIP: 0033:0x7f6c4a2ce5cd [ 41.589568] 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 [ 41.592756] RSP: 002b:00007fff35d71330 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.594163] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6c4a2ce5cd [ 41.595451] RDX: 0000556b71692e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.596745] RBP: 00007fff35d71390 R08: 0000000000000000 R09: 00007fff35d70a30 [ 41.598055] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556b833312b0 [ 41.599288] R13: 00007fff35d717c0 R14: 0000556b83333d20 R15: 0000556b833458d0 [ 41.600446] [ 41.600799] irq event stamp: 1837 [ 41.601306] hardirqs last enabled at (1845): [] __up_console_sem+0x78/0x80 [ 41.602583] hardirqs last disabled at (1854): [] __up_console_sem+0x5d/0x80 [ 41.603841] softirqs last enabled at (1392): [] handle_softirqs+0x50c/0x770 [ 41.605121] softirqs last disabled at (1371): [] __irq_exit_rcu+0xc4/0x100 [ 41.606401] ---[ end trace 0000000000000000 ]--- [ 42.217771] ------------[ cut here ]------------ [ 42.218726] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.220772] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.222253] Modules linked in: [ 42.222895] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.224871] Tainted: [W]=WARN [ 42.225464] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.226947] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.227855] 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 [ 42.231022] RSP: 0018:ffff8880173ffbc0 EFLAGS: 00010286 [ 42.231994] RAX: 0000000000000000 RBX: ffffed1002e7ff78 RCX: ffffffff813a4050 [ 42.233292] RDX: ffff88800f32b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.234582] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e7ff2f [ 42.235858] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.237137] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880173ffdf8 [ 42.238457] FS: 00007fa58342e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.239896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.240958] CR2: 00007fa5839944a6 CR3: 000000000b6fb000 CR4: 0000000000350ef0 [ 42.242264] Call Trace: [ 42.242763] [ 42.243172] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.244059] ? __create_object+0x59/0x80 [ 42.244843] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.245808] __vmalloc_noprof+0x59/0x60 [ 42.246595] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.247477] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.248361] bpf_prog_alloc+0x39/0x200 [ 42.249094] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.250029] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.250930] do_seccomp+0x349/0x25e0 [ 42.251644] ? find_held_lock+0x2b/0x80 [ 42.252365] ? do_prlimit+0x310/0x610 [ 42.253118] ? __pfx_do_seccomp+0x10/0x10 [ 42.253897] ? do_raw_spin_unlock+0x53/0x220 [ 42.254749] ? _raw_spin_unlock+0x1e/0x40 [ 42.255530] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.256502] ? static_key_count+0x60/0x80 [ 42.257251] prctl_set_seccomp+0x4e/0x70 [ 42.258038] __do_sys_prctl+0xe6c/0x1d70 [ 42.258834] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.259694] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.260676] ? irqentry_exit+0xf3/0x650 [ 42.261399] do_syscall_64+0xbf/0x430 [ 42.262148] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.263103] RIP: 0033:0x7fa5839205cd [ 42.263797] 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 [ 42.266971] RSP: 002b:00007ffc938fbf50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.268351] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa5839205cd [ 42.269641] RDX: 00005630e4976e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.270941] RBP: 00007ffc938fbfb0 R08: 0000000000000000 R09: 00007ffc938fb650 [ 42.272224] R10: 0000000000000000 R11: 0000000000000246 R12: 000056310b6c8ad0 [ 42.273522] R13: 00007ffc938fc3e0 R14: 000056310b6c9bc0 R15: 000056310b6da780 [ 42.274612] [ 42.274882] irq event stamp: 1735 [ 42.275265] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 42.276234] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 42.277204] softirqs last enabled at (1714): [] handle_softirqs+0x50c/0x770 [ 42.278198] softirqs last disabled at (1709): [] __irq_exit_rcu+0xc4/0x100 [ 42.278943] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:16276' (ECDSA) to the list of known hosts. 2025/11/18 12:21:24 fuzzer started 2025/11/18 12:21:24 dialing manager at localhost:34383 2025/11/18 12:21:24 checking machine... 2025/11/18 12:21:24 checking revisions... [ 43.230501] kmemleak: Automatic memory scanning thread ended 2025/11/18 12:21:25 testing simple program... [ 43.308341] cgroup: Unknown subsys name 'net' [ 43.380204] cgroup: Unknown subsys name 'cpuset' [ 43.397648] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 12:21:23 Registers: info registers vcpu 0 RAX=000000001051877d RBX=ffff88801629d340 RCX=00000000efae387a RDX=00000000ffef7e70 RSI=ffff88801629dd98 RDI=0000000000104185 RBP=ffff88801629dd98 RSP=ffff88801afdf550 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88801629dd98 R13=00000000efae387a R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815275c1 RFL=00000016 [----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 00007f6c49ddc900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff35d6b000 CR3=00000000204f9000 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=000000000001cfc1 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1 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 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f6c4a3940b0 CR3=0000000009a2b000 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=31323a323120383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383833 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000