[ 39.043293] ------------[ cut here ]------------ [ 39.044056] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.046187] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 39.047440] Modules linked in: [ 39.047974] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.049629] Tainted: [W]=WARN [ 39.050117] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.051342] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.052110] 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 [ 39.054876] RSP: 0018:ffff8880173cfbc0 EFLAGS: 00010286 [ 39.055647] RAX: 0000000000000000 RBX: ffffed1002e79f78 RCX: ffffffff813a4050 [ 39.056720] RDX: ffff888016268000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.057779] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e79f2f [ 39.058821] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.059882] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880173cfdf8 [ 39.060932] FS: 00007f739904d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.062111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.062984] CR2: 00007ffd55553ef8 CR3: 000000000baff000 CR4: 0000000000350ef0 [ 39.064044] Call Trace: [ 39.064423] [ 39.064802] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.065506] ? __create_object+0x59/0x80 [ 39.066142] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.066939] __vmalloc_noprof+0x59/0x60 [ 39.067525] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.068253] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.069016] bpf_prog_alloc+0x39/0x200 [ 39.069601] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.070368] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.071106] do_seccomp+0x349/0x25e0 [ 39.071668] ? find_held_lock+0x2b/0x80 [ 39.072287] ? do_prlimit+0x310/0x610 [ 39.072897] ? __pfx_do_seccomp+0x10/0x10 [ 39.073522] ? do_raw_spin_unlock+0x53/0x220 [ 39.074196] ? _raw_spin_unlock+0x1e/0x40 [ 39.074821] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.075580] ? static_key_count+0x60/0x80 [ 39.076242] prctl_set_seccomp+0x4e/0x70 [ 39.076885] __do_sys_prctl+0xe6c/0x1d70 [ 39.077494] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.078189] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.078999] ? irqentry_exit+0xf3/0x650 [ 39.079591] do_syscall_64+0xbf/0x430 [ 39.080204] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.080987] RIP: 0033:0x7f739953f5cd [ 39.081542] 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 [ 39.084145] RSP: 002b:00007ffd55552b60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.085273] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f739953f5cd [ 39.086332] RDX: 000055eea1448e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.087378] RBP: 00007ffd55552bc0 R08: 0000000000000000 R09: 00007ffd55552260 [ 39.088443] R10: 0000000000000000 R11: 0000000000000246 R12: 000055eed1e22ad0 [ 39.089508] R13: 00007ffd55552ff0 R14: 000055eed1e23bc0 R15: 000055eed1e34780 [ 39.090573] [ 39.090961] irq event stamp: 1793 [ 39.091465] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 39.092731] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 39.093997] softirqs last enabled at (1814): [] handle_softirqs+0x50c/0x770 [ 39.095264] softirqs last disabled at (1809): [] __irq_exit_rcu+0xc4/0x100 [ 39.096516] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.573476] ------------[ cut here ]------------ [ 42.574252] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.575987] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 42.577207] Modules linked in: [ 42.577737] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.579386] Tainted: [W]=WARN [ 42.579877] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.581088] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.581857] 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 [ 42.584482] RSP: 0018:ffff8880184ffbc0 EFLAGS: 00010286 [ 42.585303] RAX: 0000000000000000 RBX: ffffed100309ff78 RCX: ffffffff813a4050 [ 42.586364] RDX: ffff8880179d0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.587425] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100309ff2f [ 42.588485] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.589561] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880184ffdf8 [ 42.590635] FS: 00007f2735617900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.591834] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.592680] CR2: 00007ffe26f71ef8 CR3: 000000000fe27000 CR4: 0000000000350ef0 [ 42.593787] Call Trace: [ 42.594172] [ 42.594511] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.595271] ? __create_object+0x59/0x80 [ 42.595916] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.596683] __vmalloc_noprof+0x59/0x60 [ 42.597318] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.598052] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.598842] bpf_prog_alloc+0x39/0x200 [ 42.599428] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.600206] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.600969] do_seccomp+0x349/0x25e0 [ 42.601555] ? find_held_lock+0x2b/0x80 [ 42.602199] ? do_prlimit+0x310/0x610 [ 42.602828] ? __pfx_do_seccomp+0x10/0x10 [ 42.603452] ? do_raw_spin_unlock+0x53/0x220 [ 42.604159] ? _raw_spin_unlock+0x1e/0x40 [ 42.604836] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.605624] ? static_key_count+0x60/0x80 [ 42.606306] prctl_set_seccomp+0x4e/0x70 [ 42.606970] __do_sys_prctl+0xe6c/0x1d70 [ 42.607602] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.608330] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.609155] ? irqentry_exit+0xf3/0x650 [ 42.609809] do_syscall_64+0xbf/0x430 [ 42.610396] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.611206] RIP: 0033:0x7f2735b095cd [ 42.611819] 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 [ 42.614511] RSP: 002b:00007ffe26f70d90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.615670] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2735b095cd [ 42.616748] RDX: 000055f331fc6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.617846] RBP: 00007ffe26f70df0 R08: 0000000000000000 R09: 00007ffe26f70490 [ 42.618930] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f35a1a12b0 [ 42.620012] R13: 00007ffe26f71220 R14: 000055f35a1a3d20 R15: 000055f35a1b58d0 [ 42.621131] [ 42.621496] irq event stamp: 1815 [ 42.622053] hardirqs last enabled at (1825): [] __up_console_sem+0x78/0x80 [ 42.623348] hardirqs last disabled at (1834): [] __up_console_sem+0x5d/0x80 [ 42.624634] softirqs last enabled at (1804): [] handle_softirqs+0x50c/0x770 [ 42.625964] softirqs last disabled at (1799): [] __irq_exit_rcu+0xc4/0x100 [ 42.627251] ---[ end trace 0000000000000000 ]--- [ 43.367657] ------------[ cut here ]------------ [ 43.368437] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.370138] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 43.371346] Modules linked in: [ 43.371861] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.373781] Tainted: [W]=WARN [ 43.374246] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.375485] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.376248] 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 [ 43.378902] RSP: 0018:ffff8880176c7bc0 EFLAGS: 00010286 [ 43.379686] RAX: 0000000000000000 RBX: ffffed1002ed8f78 RCX: ffffffff813a4050 [ 43.380795] RDX: ffff888016605340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.381880] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ed8f2f [ 43.382949] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.384042] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880176c7df8 [ 43.385133] FS: 00007f829ea89900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.386338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.387228] CR2: 00007ffd4d40eef8 CR3: 000000001f7a9000 CR4: 0000000000350ef0 [ 43.388312] Call Trace: [ 43.388696] [ 43.389061] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.389817] ? __create_object+0x59/0x80 [ 43.390424] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.391225] __vmalloc_noprof+0x59/0x60 [ 43.391856] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.392542] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.393323] bpf_prog_alloc+0x39/0x200 [ 43.393934] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.394680] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.395438] do_seccomp+0x349/0x25e0 [ 43.396033] ? find_held_lock+0x2b/0x80 [ 43.396625] ? do_prlimit+0x310/0x610 [ 43.397256] ? __pfx_do_seccomp+0x10/0x10 [ 43.397910] ? do_raw_spin_unlock+0x53/0x220 [ 43.398569] ? _raw_spin_unlock+0x1e/0x40 [ 43.399215] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.400024] ? static_key_count+0x60/0x80 [ 43.400662] prctl_set_seccomp+0x4e/0x70 [ 43.401321] __do_sys_prctl+0xe6c/0x1d70 [ 43.401966] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.402651] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.403456] ? irqentry_exit+0xf3/0x650 [ 43.404087] do_syscall_64+0xbf/0x430 [ 43.404668] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.405472] RIP: 0033:0x7f829ef7b5cd [ 43.406060] 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 [ 43.408691] RSP: 002b:00007ffd4d40d8f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.409879] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f829ef7b5cd [ 43.410951] RDX: 000055bdcdb95e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.412015] RBP: 00007ffd4d40d950 R08: 0000000000000000 R09: 00007ffd4d40cff0 [ 43.413096] R10: 0000000000000000 R11: 0000000000000246 R12: 000055be017dd2b0 [ 43.414171] R13: 00007ffd4d40dd80 R14: 000055be017dfd20 R15: 000055be017f18d0 [ 43.415250] [ 43.415602] irq event stamp: 1785 [ 43.416140] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 43.417418] hardirqs last disabled at (1804): [] __up_console_sem+0x5d/0x80 [ 43.418691] softirqs last enabled at (1310): [] handle_softirqs+0x50c/0x770 [ 43.420008] softirqs last disabled at (1289): [] __irq_exit_rcu+0xc4/0x100 [ 43.421300] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:65237' (ECDSA) to the list of known hosts. 2025/11/18 05:07:28 fuzzer started 2025/11/18 05:07:28 dialing manager at localhost:37895 2025/11/18 05:07:28 checking machine... 2025/11/18 05:07:28 checking revisions... [ 44.321405] kmemleak: Automatic memory scanning thread ended 2025/11/18 05:07:28 testing simple program... [ 44.413098] cgroup: Unknown subsys name 'net' [ 44.467279] cgroup: Unknown subsys name 'cpuset' [ 44.482059] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 52.898875] audit: type=1400 audit(1763442457.327:7): avc: denied { execmem } for pid=275 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program VM DIAGNOSIS: 05:07:27 Registers: info registers vcpu 0 RAX=1ffffffff0cd6068 RBX=ffffffff866b0344 RCX=ffffffff813986a6 RDX=0000000000000000 RSI=ffffffff86a07f18 RDI=ffffffff866b0344 RBP=ffffffff866b0344 RSP=ffff88806ce08998 R8 =ffffffff86a07f18 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000007fe4 R12=ffffffff866b0344 R13=ffffffff866b0344 R14=ffffffff866b0344 R15=dffffc0000000000 RIP=ffffffff8135daaf RFL=00000213 [----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 00007f2735617900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f2735bcf0b0 CR3=000000001f684000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000002 RBX=0000000000000001 RCX=0000000000000008 RDX=0000000000000003 RSI=ffff888015f92640 RDI=ffff888015f91bc0 RBP=ffff888015f91bc0 RSP=ffff8880160576e0 R8 =0000000000000000 R9 =0000000000000001 R10=ffffffff8664f657 R11=0000000000000001 R12=0000000000000002 R13=ffff888015f92618 R14=ffff888018a4e9e0 R15=00000000160be4f7 RIP=ffffffff81526ccf RFL=00000002 [-------] 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 00007f1386f82900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1386699000 CR3=000000000b74b000 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=45f7781c9804f56700000000000ae988 XMM05=6ba6acfa4c75b5340000000000320e38 XMM06=ad5290dbfed75f45000000000031fee0 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000