[ 39.411018] ------------[ cut here ]------------ [ 39.412097] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.414396] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/236 [ 39.416123] Modules linked in: [ 39.416862] CPU: 1 UID: 104 PID: 236 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.419173] Tainted: [W]=WARN [ 39.419871] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.421595] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.422654] 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 [ 39.426336] RSP: 0018:ffff88800bd3fbc0 EFLAGS: 00010286 [ 39.427459] RAX: 0000000000000000 RBX: ffffed10017a7f78 RCX: ffffffff813a4050 [ 39.428952] RDX: ffff888016898000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.430460] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10017a7f2f [ 39.431944] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.433421] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800bd3fdf8 [ 39.434915] FS: 00007f96c026c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.436585] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.437837] CR2: 00007ffc22da1ef7 CR3: 000000000d81e000 CR4: 0000000000350ef0 [ 39.439327] Call Trace: [ 39.439906] [ 39.440384] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.441427] ? __create_object+0x59/0x80 [ 39.442347] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.443476] __vmalloc_noprof+0x59/0x60 [ 39.444364] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.445725] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.446826] bpf_prog_alloc+0x39/0x200 [ 39.447694] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.448781] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.449840] do_seccomp+0x349/0x25e0 [ 39.450671] ? find_held_lock+0x2b/0x80 [ 39.451494] ? do_prlimit+0x310/0x610 [ 39.452361] ? __pfx_do_seccomp+0x10/0x10 [ 39.453279] ? do_raw_spin_unlock+0x53/0x220 [ 39.454249] ? _raw_spin_unlock+0x1e/0x40 [ 39.455160] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.456280] ? static_key_count+0x60/0x80 [ 39.457210] prctl_set_seccomp+0x4e/0x70 [ 39.458121] __do_sys_prctl+0xe6c/0x1d70 [ 39.459028] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.460031] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.461152] ? irqentry_exit+0xf3/0x650 [ 39.462049] do_syscall_64+0xbf/0x430 [ 39.462907] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.464013] RIP: 0033:0x7f96c075e5cd [ 39.464835] 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 [ 39.468527] RSP: 002b:00007ffc22d9f330 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.470169] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f96c075e5cd [ 39.471669] RDX: 0000557edf557e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.473165] RBP: 00007ffc22d9f390 R08: 0000000000000000 R09: 00007ffc22d9ea30 [ 39.474508] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557f017832b0 [ 39.475749] R13: 00007ffc22d9f7c0 R14: 0000557f01785d20 R15: 0000557f017978d0 [ 39.476996] [ 39.477398] irq event stamp: 1789 [ 39.478038] hardirqs last enabled at (1799): [] __up_console_sem+0x78/0x80 [ 39.479512] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 39.480982] softirqs last enabled at (1708): [] handle_softirqs+0x50c/0x770 [ 39.482619] softirqs last disabled at (1703): [] __irq_exit_rcu+0xc4/0x100 [ 39.484167] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.109082] ------------[ cut here ]------------ [ 42.110096] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.112252] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/244 [ 42.113825] Modules linked in: [ 42.114454] CPU: 1 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.117993] Tainted: [W]=WARN [ 42.118737] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.120303] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.121560] 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 [ 42.124952] RSP: 0018:ffff888016b9fbc0 EFLAGS: 00010286 [ 42.126315] RAX: 0000000000000000 RBX: ffffed1002d73f78 RCX: ffffffff813a4050 [ 42.127703] RDX: ffff88800f283780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.129084] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d73f2f [ 42.130492] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.131871] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b9fdf8 [ 42.133270] FS: 00007fde20c79900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.134826] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.135980] CR2: 00007fff37d03ef7 CR3: 000000001f4ca000 CR4: 0000000000350ef0 [ 42.137355] Call Trace: [ 42.137924] [ 42.138374] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.139332] ? __create_object+0x59/0x80 [ 42.140170] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.141218] __vmalloc_noprof+0x59/0x60 [ 42.142044] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.142985] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.143987] bpf_prog_alloc+0x39/0x200 [ 42.144780] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.145791] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.146784] do_seccomp+0x349/0x25e0 [ 42.147492] ? find_held_lock+0x2b/0x80 [ 42.148305] ? do_prlimit+0x310/0x610 [ 42.149103] ? __pfx_do_seccomp+0x10/0x10 [ 42.149965] ? do_raw_spin_unlock+0x53/0x220 [ 42.150876] ? _raw_spin_unlock+0x1e/0x40 [ 42.151720] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.152763] ? static_key_count+0x60/0x80 [ 42.153642] prctl_set_seccomp+0x4e/0x70 [ 42.154423] __do_sys_prctl+0xe6c/0x1d70 [ 42.155267] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.156168] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.157210] ? irqentry_exit+0xf3/0x650 [ 42.158049] do_syscall_64+0xbf/0x430 [ 42.158841] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.159865] RIP: 0033:0x7fde2116b5cd [ 42.160616] 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 [ 42.164031] RSP: 002b:00007fff37d01a20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.165504] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fde2116b5cd [ 42.166713] RDX: 000055e71c97fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.167845] RBP: 00007fff37d01a80 R08: 0000000000000000 R09: 00007fff37d01120 [ 42.168991] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e732ac3ad0 [ 42.170138] R13: 00007fff37d01eb0 R14: 000055e732ac4bc0 R15: 000055e732ad5780 [ 42.171280] [ 42.171698] irq event stamp: 2029 [ 42.172235] hardirqs last enabled at (2037): [] __up_console_sem+0x78/0x80 [ 42.173590] hardirqs last disabled at (2046): [] __up_console_sem+0x5d/0x80 [ 42.174932] softirqs last enabled at (1948): [] handle_softirqs+0x50c/0x770 [ 42.176280] softirqs last disabled at (1943): [] __irq_exit_rcu+0xc4/0x100 [ 42.177632] ---[ end trace 0000000000000000 ]--- [ 42.831980] ------------[ cut here ]------------ [ 42.832952] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.835133] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/252 [ 42.836675] Modules linked in: [ 42.837430] CPU: 1 UID: 104 PID: 252 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.839592] Tainted: [W]=WARN [ 42.840184] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.842009] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.843056] 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 [ 42.846465] RSP: 0018:ffff888019d77bc0 EFLAGS: 00010286 [ 42.847510] RAX: 0000000000000000 RBX: ffffed10033aef78 RCX: ffffffff813a4050 [ 42.848908] RDX: ffff8880158d1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.850309] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033aef2f [ 42.851682] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.853067] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019d77df8 [ 42.854461] FS: 00007fe668f88900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.856003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.857165] CR2: 00007ffda32b5ef7 CR3: 000000001f486000 CR4: 0000000000350ef0 [ 42.858578] Call Trace: [ 42.859073] [ 42.859514] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.860493] ? __create_object+0x59/0x80 [ 42.861332] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.862376] __vmalloc_noprof+0x59/0x60 [ 42.863195] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.864140] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.865162] bpf_prog_alloc+0x39/0x200 [ 42.865981] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.867019] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.868001] do_seccomp+0x349/0x25e0 [ 42.868775] ? find_held_lock+0x2b/0x80 [ 42.869626] ? do_prlimit+0x310/0x610 [ 42.870373] ? __pfx_do_seccomp+0x10/0x10 [ 42.871214] ? do_raw_spin_unlock+0x53/0x220 [ 42.872106] ? _raw_spin_unlock+0x1e/0x40 [ 42.872940] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.874029] ? static_key_count+0x60/0x80 [ 42.874911] prctl_set_seccomp+0x4e/0x70 [ 42.875744] __do_sys_prctl+0xe6c/0x1d70 [ 42.876537] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.877452] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.878499] ? irqentry_exit+0xf3/0x650 [ 42.879301] do_syscall_64+0xbf/0x430 [ 42.880105] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.881110] RIP: 0033:0x7fe66947a5cd [ 42.881883] 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 [ 42.885215] RSP: 002b:00007ffda32b4b60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.886676] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe66947a5cd [ 42.888048] RDX: 00005651b6163e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.889407] RBP: 00007ffda32b4bc0 R08: 0000000000000000 R09: 00007ffda32b4260 [ 42.890677] R10: 0000000000000000 R11: 0000000000000246 R12: 00005651de74fad0 [ 42.891810] R13: 00007ffda32b4ff0 R14: 00005651de750bc0 R15: 00005651de761780 [ 42.892957] [ 42.893331] irq event stamp: 1801 [ 42.893919] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 42.895260] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 42.896587] softirqs last enabled at (1344): [] handle_softirqs+0x50c/0x770 [ 42.897963] softirqs last disabled at (1323): [] __irq_exit_rcu+0xc4/0x100 [ 42.899289] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:50226' (ECDSA) to the list of known hosts. 2025/11/18 23:19:01 fuzzer started 2025/11/18 23:19:01 dialing manager at localhost:34383 2025/11/18 23:19:01 checking machine... 2025/11/18 23:19:01 checking revisions... [ 43.786988] kmemleak: Automatic memory scanning thread ended 2025/11/18 23:19:01 testing simple program... [ 43.875341] cgroup: Unknown subsys name 'net' [ 43.959659] cgroup: Unknown subsys name 'cpuset' [ 43.980321] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 23:19:00 Registers: info registers vcpu 0 RAX=000000000000047d RBX=ffff888009a65340 RCX=0000000000000000 RDX=0000000000000001 RSI=0000000000000000 RDI=0000000000000001 RBP=ffff888009a65d98 RSP=ffff88800deef1c8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888009a65dc0 R13=0000000000000000 R14=0000000000000000 R15=0000000000000005 RIP=ffffffff81527236 RFL=00000007 [-----PC] 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 00007fde20c79900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fde21230618 CR3=000000001f418000 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 info registers vcpu 1 RAX=0000000000000000 RBX=ffff88800a2fe000 RCX=ffffffff819195bb RDX=ffff888016fc8000 RSI=ffffffff81919eef RDI=0000000000000005 RBP=0000000000000001 RSP=ffff8880184f7a48 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=ffff88801bc6d860 R14=0000000000000055 R15=0000000000000000 RIP=ffffffff815bd104 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 00007f538582d700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fde2122e650 CR3=000000000d45f000 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=2030303a39313a333220383120766f4e XMM01=657463656e6e6f63736944203a5d3334 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3334325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732030303a39313a3332203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000