[ 38.970968] ------------[ cut here ]------------ [ 38.971922] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.974058] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 38.975586] Modules linked in: [ 38.976227] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.978578] Tainted: [W]=WARN [ 38.979152] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.980755] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.981671] 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 [ 38.984856] RSP: 0018:ffff8880173e7bc0 EFLAGS: 00010286 [ 38.985832] RAX: 0000000000000000 RBX: ffffed1002e7cf78 RCX: ffffffff813a4050 [ 38.987129] RDX: ffff8880171d9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.988428] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e7cf2f [ 38.989716] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.991005] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880173e7df8 [ 38.992294] FS: 00007fd79003e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.993745] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.994830] CR2: 00007ffd92cb6ef7 CR3: 000000000c47a000 CR4: 0000000000350ef0 [ 38.996115] Call Trace: [ 38.996623] [ 38.997029] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.997927] ? __create_object+0x59/0x80 [ 38.998713] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.999692] __vmalloc_noprof+0x59/0x60 [ 39.000474] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.001309] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.002242] bpf_prog_alloc+0x39/0x200 [ 39.002975] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.003901] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.004818] do_seccomp+0x349/0x25e0 [ 39.005545] ? find_held_lock+0x2b/0x80 [ 39.006258] ? do_prlimit+0x310/0x610 [ 39.006998] ? __pfx_do_seccomp+0x10/0x10 [ 39.007781] ? do_raw_spin_unlock+0x53/0x220 [ 39.008638] ? _raw_spin_unlock+0x1e/0x40 [ 39.009375] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.010345] ? static_key_count+0x60/0x80 [ 39.011146] prctl_set_seccomp+0x4e/0x70 [ 39.011916] __do_sys_prctl+0xe6c/0x1d70 [ 39.012714] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.013582] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.014548] ? irqentry_exit+0xf3/0x650 [ 39.015268] do_syscall_64+0xbf/0x430 [ 39.016015] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.016972] RIP: 0033:0x7fd7905305cd [ 39.017680] 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 [ 39.020824] RSP: 002b:00007ffd92cb51e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.022198] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd7905305cd [ 39.023463] RDX: 000055d30068ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.024771] RBP: 00007ffd92cb5240 R08: 0000000000000000 R09: 00007ffd92cb48e0 [ 39.026041] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d32f4d92b0 [ 39.027308] R13: 00007ffd92cb5670 R14: 000055d32f4dbd20 R15: 000055d32f4ed8d0 [ 39.028616] [ 39.028970] irq event stamp: 1831 [ 39.029359] hardirqs last enabled at (1839): [] __up_console_sem+0x78/0x80 [ 39.030339] hardirqs last disabled at (1848): [] __up_console_sem+0x5d/0x80 [ 39.031319] softirqs last enabled at (1770): [] handle_softirqs+0x50c/0x770 [ 39.032322] softirqs last disabled at (1765): [] __irq_exit_rcu+0xc4/0x100 [ 39.033277] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.613588] ------------[ cut here ]------------ [ 41.614515] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.616513] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 41.617936] Modules linked in: [ 41.618575] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.620544] Tainted: [W]=WARN [ 41.621077] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.622519] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.623372] 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 [ 41.626552] RSP: 0018:ffff88801742fbc0 EFLAGS: 00010286 [ 41.627514] RAX: 0000000000000000 RBX: ffffed1002e85f78 RCX: ffffffff813a4050 [ 41.628786] RDX: ffff888016875340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.630053] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e85f2f [ 41.631308] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.632576] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801742fdf8 [ 41.633837] FS: 00007f89f421b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.635247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.636297] CR2: 00007ffc1e239ef7 CR3: 000000001f07c000 CR4: 0000000000350ef0 [ 41.637571] Call Trace: [ 41.638044] [ 41.638502] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.639345] ? __create_object+0x59/0x80 [ 41.640134] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.641090] __vmalloc_noprof+0x59/0x60 [ 41.641827] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.642688] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.643610] bpf_prog_alloc+0x39/0x200 [ 41.644300] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.645207] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.646107] do_seccomp+0x349/0x25e0 [ 41.646808] ? find_held_lock+0x2b/0x80 [ 41.647557] ? do_prlimit+0x310/0x610 [ 41.648254] ? __pfx_do_seccomp+0x10/0x10 [ 41.649035] ? do_raw_spin_unlock+0x53/0x220 [ 41.649843] ? _raw_spin_unlock+0x1e/0x40 [ 41.650618] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.651576] ? static_key_count+0x60/0x80 [ 41.652326] prctl_set_seccomp+0x4e/0x70 [ 41.653096] __do_sys_prctl+0xe6c/0x1d70 [ 41.653870] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.654714] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.655656] ? irqentry_exit+0xf3/0x650 [ 41.656372] do_syscall_64+0xbf/0x430 [ 41.657110] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.658051] RIP: 0033:0x7f89f470d5cd [ 41.658747] 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 [ 41.661844] RSP: 002b:00007ffc1e238d20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.663183] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f89f470d5cd [ 41.664453] RDX: 000055db61a5ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.665710] RBP: 00007ffc1e238d80 R08: 0000000000000000 R09: 00007ffc1e238420 [ 41.666979] R10: 0000000000000000 R11: 0000000000000246 R12: 000055db74328240 [ 41.668249] R13: 00007ffc1e2391b0 R14: 000055db74327bf0 R15: 000055db7433c4d0 [ 41.669538] [ 41.669955] irq event stamp: 1703 [ 41.670591] hardirqs last enabled at (1713): [] __up_console_sem+0x78/0x80 [ 41.672096] hardirqs last disabled at (1722): [] __up_console_sem+0x5d/0x80 [ 41.673571] softirqs last enabled at (1672): [] handle_softirqs+0x50c/0x770 [ 41.675078] softirqs last disabled at (1667): [] __irq_exit_rcu+0xc4/0x100 [ 41.676566] ---[ end trace 0000000000000000 ]--- [ 42.319122] ------------[ cut here ]------------ [ 42.319687] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.320892] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.321775] Modules linked in: [ 42.322131] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.323315] Tainted: [W]=WARN [ 42.323670] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.324557] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.325084] 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 [ 42.326990] RSP: 0018:ffff88801a187bc0 EFLAGS: 00010286 [ 42.327582] RAX: 0000000000000000 RBX: ffffed1003430f78 RCX: ffffffff813a4050 [ 42.328330] RDX: ffff888015ffb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.329102] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003430f2f [ 42.329871] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.330642] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a187df8 [ 42.331412] FS: 00007f0027e50900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.332258] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.332899] CR2: 00007ffe5dde7ef7 CR3: 000000001f10b000 CR4: 0000000000350ef0 [ 42.333660] Call Trace: [ 42.333938] [ 42.334183] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.334722] ? __create_object+0x59/0x80 [ 42.335170] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.335751] __vmalloc_noprof+0x59/0x60 [ 42.336190] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.336715] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.337245] bpf_prog_alloc+0x39/0x200 [ 42.337694] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.338226] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.338773] do_seccomp+0x349/0x25e0 [ 42.339178] ? find_held_lock+0x2b/0x80 [ 42.339638] ? do_prlimit+0x310/0x610 [ 42.340072] ? __pfx_do_seccomp+0x10/0x10 [ 42.340537] ? do_raw_spin_unlock+0x53/0x220 [ 42.341007] ? _raw_spin_unlock+0x1e/0x40 [ 42.341479] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.342031] ? static_key_count+0x60/0x80 [ 42.342512] prctl_set_seccomp+0x4e/0x70 [ 42.342947] __do_sys_prctl+0xe6c/0x1d70 [ 42.343414] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.343909] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.344505] ? irqentry_exit+0xf3/0x650 [ 42.344934] do_syscall_64+0xbf/0x430 [ 42.345353] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.345932] RIP: 0033:0x7f00283425cd [ 42.346323] 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 [ 42.348230] RSP: 002b:00007ffe5dde6dc0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.349044] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f00283425cd [ 42.349806] RDX: 000055efc737de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.350577] RBP: 00007ffe5dde6e20 R08: 0000000000000000 R09: 00007ffe5dde64c0 [ 42.351312] R10: 0000000000000000 R11: 0000000000000246 R12: 000055efcc3dabf0 [ 42.352088] R13: 00007ffe5dde7250 R14: 000055efcc3e4380 R15: 000055efcc3ef460 [ 42.352868] [ 42.353121] irq event stamp: 1685 [ 42.353514] hardirqs last enabled at (1695): [] __up_console_sem+0x78/0x80 [ 42.354431] hardirqs last disabled at (1704): [] __up_console_sem+0x5d/0x80 [ 42.355312] softirqs last enabled at (1206): [] handle_softirqs+0x50c/0x770 [ 42.356239] softirqs last disabled at (1197): [] __irq_exit_rcu+0xc4/0x100 [ 42.357150] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:23606' (ECDSA) to the list of known hosts. 2025/11/19 07:48:34 fuzzer started 2025/11/19 07:48:35 dialing manager at localhost:34383 2025/11/19 07:48:35 checking machine... 2025/11/19 07:48:35 checking revisions... [ 43.274160] kmemleak: Automatic memory scanning thread ended 2025/11/19 07:48:35 testing simple program... [ 43.362544] cgroup: Unknown subsys name 'net' [ 43.459045] cgroup: Unknown subsys name 'cpuset' [ 43.472899] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 07:48:34 Registers: info registers vcpu 0 RAX=0000000000000002 RBX=0000000000000001 RCX=ffffffff84c6acde RDX=0000000000000004 RSI=ffffffff86e87004 RDI=ffffffff869af9f4 RBP=ffffffff869af9f4 RSP=ffff88800f56eb50 R8 =ffffffff86e87004 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000c7d16 R12=ffffffff869afa04 R13=ffffffff869af9f4 R14=ffffffff869af9f4 R15=dffffc0000000000 RIP=ffffffff8135da9e RFL=00000212 [----A--] 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 00007f89f421b900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f89f41fa020 CR3=000000001f108000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000001fd83 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 fffffe6a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe1569df000 CR3=000000000d814000 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=2034333a38343a373020393120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732033333a38343a3730203931 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000