[ 39.308420] ------------[ cut here ]------------ [ 39.308977] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.310261] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.311106] Modules linked in: [ 39.311505] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.312724] Tainted: [W]=WARN [ 39.313063] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.313945] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.314506] 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 [ 39.316437] RSP: 0018:ffff888016307bc0 EFLAGS: 00010286 [ 39.317005] RAX: 0000000000000000 RBX: ffffed1002c60f78 RCX: ffffffff813a4050 [ 39.317777] RDX: ffff88801673d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.318550] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c60f2f [ 39.319333] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.320086] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016307df8 [ 39.320869] FS: 00007f461ca7d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.321738] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.322377] CR2: 00007fff7b26cef8 CR3: 000000000f7ed000 CR4: 0000000000350ef0 [ 39.323119] Call Trace: [ 39.323434] [ 39.323685] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.324238] ? __create_object+0x59/0x80 [ 39.324688] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.325293] __vmalloc_noprof+0x59/0x60 [ 39.325724] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.326251] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.326789] bpf_prog_alloc+0x39/0x200 [ 39.327240] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.327789] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.328349] do_seccomp+0x349/0x25e0 [ 39.328761] ? find_held_lock+0x2b/0x80 [ 39.329223] ? do_prlimit+0x310/0x610 [ 39.329649] ? __pfx_do_seccomp+0x10/0x10 [ 39.330091] ? do_raw_spin_unlock+0x53/0x220 [ 39.330593] ? _raw_spin_unlock+0x1e/0x40 [ 39.331037] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.331610] ? static_key_count+0x60/0x80 [ 39.332080] prctl_set_seccomp+0x4e/0x70 [ 39.332547] __do_sys_prctl+0xe6c/0x1d70 [ 39.332992] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.333518] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.334078] ? irqentry_exit+0xf3/0x650 [ 39.334542] do_syscall_64+0xbf/0x430 [ 39.334968] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.335538] RIP: 0033:0x7f461cf6f5cd [ 39.335942] 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 [ 39.337865] RSP: 002b:00007fff7b26bb60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.338688] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f461cf6f5cd [ 39.339465] RDX: 000055f1cadbbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.340254] RBP: 00007fff7b26bbc0 R08: 0000000000000000 R09: 00007fff7b26b260 [ 39.340998] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f1ea313ad0 [ 39.341775] R13: 00007fff7b26bff0 R14: 000055f1ea314bc0 R15: 000055f1ea325780 [ 39.342555] [ 39.342815] irq event stamp: 1751 [ 39.343210] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 39.344115] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 39.345028] softirqs last enabled at (1296): [] handle_softirqs+0x50c/0x770 [ 39.345959] softirqs last disabled at (1287): [] __irq_exit_rcu+0xc4/0x100 [ 39.346875] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.473469] ------------[ cut here ]------------ [ 42.474406] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.476476] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.478176] Modules linked in: [ 42.478770] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.480815] Tainted: [W]=WARN [ 42.481418] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.482878] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.483792] 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 [ 42.486981] RSP: 0018:ffff88801726fbc0 EFLAGS: 00010286 [ 42.487973] RAX: 0000000000000000 RBX: ffffed1002e4df78 RCX: ffffffff813a4050 [ 42.489242] RDX: ffff888016513780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.490510] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e4df2f [ 42.491777] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.493084] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801726fdf8 [ 42.494366] FS: 00007f8600903900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.495809] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.496870] CR2: 00007f8600df5580 CR3: 000000001f46c000 CR4: 0000000000350ef0 [ 42.498155] Call Trace: [ 42.498614] [ 42.499026] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.499934] ? __create_object+0x59/0x80 [ 42.500719] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.501683] __vmalloc_noprof+0x59/0x60 [ 42.502439] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.503316] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.504278] bpf_prog_alloc+0x39/0x200 [ 42.504976] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.505908] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.506813] do_seccomp+0x349/0x25e0 [ 42.507528] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.508475] ? __pfx_do_seccomp+0x10/0x10 [ 42.509274] ? find_held_lock+0x2b/0x80 [ 42.509986] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.510962] ? static_key_count+0x60/0x80 [ 42.511772] prctl_set_seccomp+0x4e/0x70 [ 42.512563] __do_sys_prctl+0xe6c/0x1d70 [ 42.513346] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.514201] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.515114] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.516103] ? irqentry_exit+0xf3/0x650 [ 42.516873] do_syscall_64+0xbf/0x430 [ 42.517610] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.518563] RIP: 0033:0x7f8600df55cd [ 42.519279] 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 [ 42.522450] RSP: 002b:00007ffcf3e9c8c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.523842] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8600df55cd [ 42.525120] RDX: 000055a81985ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.526414] RBP: 00007ffcf3e9c920 R08: 0000000000000000 R09: 00007ffcf3e9bfc0 [ 42.527691] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a853477ad0 [ 42.528979] R13: 00007ffcf3e9cd50 R14: 000055a853478bc0 R15: 000055a853489780 [ 42.530291] [ 42.530715] irq event stamp: 1811 [ 42.531417] hardirqs last enabled at (1821): [] __up_console_sem+0x78/0x80 [ 42.533256] hardirqs last disabled at (1854): [] __up_console_sem+0x5d/0x80 [ 42.534788] softirqs last enabled at (1852): [] handle_softirqs+0x50c/0x770 [ 42.536352] softirqs last disabled at (1833): [] __irq_exit_rcu+0xc4/0x100 [ 42.537709] ---[ end trace 0000000000000000 ]--- [ 43.287935] ------------[ cut here ]------------ [ 43.288913] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.291111] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.292683] Modules linked in: [ 43.293378] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.295491] Tainted: [W]=WARN [ 43.296107] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.297727] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.298708] 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 [ 43.302112] RSP: 0018:ffff888017947bc0 EFLAGS: 00010286 [ 43.303221] RAX: 0000000000000000 RBX: ffffed1002f28f78 RCX: ffffffff813a4050 [ 43.304614] RDX: ffff888016453780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.305987] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f28f2f [ 43.307365] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.308752] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017947df8 [ 43.310126] FS: 00007f562e99a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.311680] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.312827] CR2: 00007ffd6d9c1ef8 CR3: 0000000013cbd000 CR4: 0000000000350ef0 [ 43.314209] Call Trace: [ 43.314704] [ 43.315209] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.316202] ? __create_object+0x59/0x80 [ 43.316984] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.318042] __vmalloc_noprof+0x59/0x60 [ 43.318855] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.319816] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.320840] bpf_prog_alloc+0x39/0x200 [ 43.321633] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.322643] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.323624] do_seccomp+0x349/0x25e0 [ 43.324414] ? find_held_lock+0x2b/0x80 [ 43.325239] ? do_prlimit+0x310/0x610 [ 43.325978] ? __pfx_do_seccomp+0x10/0x10 [ 43.326816] ? do_raw_spin_unlock+0x53/0x220 [ 43.327734] ? _raw_spin_unlock+0x1e/0x40 [ 43.328594] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.329639] ? static_key_count+0x60/0x80 [ 43.330484] prctl_set_seccomp+0x4e/0x70 [ 43.331319] __do_sys_prctl+0xe6c/0x1d70 [ 43.332120] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.333052] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.334085] ? irqentry_exit+0xf3/0x650 [ 43.334888] do_syscall_64+0xbf/0x430 [ 43.335699] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.336733] RIP: 0033:0x7f562ee8c5cd [ 43.337510] 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 [ 43.340891] RSP: 002b:00007ffd6d9c0340 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.342355] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f562ee8c5cd [ 43.343740] RDX: 000055efeb29ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.344845] RBP: 00007ffd6d9c03a0 R08: 0000000000000000 R09: 00007ffd6d9bfa40 [ 43.345657] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f0002e12b0 [ 43.346471] R13: 00007ffd6d9c07d0 R14: 000055f0002e3d20 R15: 000055f0002f58d0 [ 43.347298] [ 43.347569] irq event stamp: 1733 [ 43.347959] hardirqs last enabled at (1741): [] __up_console_sem+0x78/0x80 [ 43.348842] hardirqs last disabled at (1750): [] __up_console_sem+0x5d/0x80 [ 43.349623] softirqs last enabled at (1682): [] handle_softirqs+0x50c/0x770 [ 43.350414] softirqs last disabled at (1677): [] __irq_exit_rcu+0xc4/0x100 [ 43.351201] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:18328' (ECDSA) to the list of known hosts. 2025/11/17 21:45:50 fuzzer started 2025/11/17 21:45:50 dialing manager at localhost:37895 2025/11/17 21:45:50 checking machine... 2025/11/17 21:45:50 checking revisions... [ 44.175432] kmemleak: Automatic memory scanning thread ended 2025/11/17 21:45:50 testing simple program... [ 44.259937] cgroup: Unknown subsys name 'net' [ 44.329238] cgroup: Unknown subsys name 'cpuset' [ 44.345177] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 52.731891] audit: type=1400 audit(1763415959.059:7): avc: denied { execmem } for pid=277 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: 21:45:49 Registers: info registers vcpu 0 RAX=0000000080000000 RBX=ffff8880166c7978 RCX=ffffffff822a86fb RDX=0000000000000001 RSI=0000000000000000 RDI=0000000000000005 RBP=0000000000000001 RSP=ffff8880166c78b0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000007 R13=0000000000000002 R14=0000000000000059 R15=0000000000000001 RIP=ffffffff817515ca RFL=00000246 [---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 00007f8600903900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8600ebb0b0 CR3=000000000d300000 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=dffffc0000000000 RBX=0000000000000001 RCX=ffffffff869f1f76 RDX=1ffff11002963f47 RSI=1ffff11002963f49 RDI=1ffff11002963f49 RBP=ffff888014b1fa48 RSP=ffff888014b1f930 R8 =ffffffff869f1f7a R9 =ffff888014b1fa30 R10=000000000003c9ed R11=000000000000453f R12=ffff888014b1fa50 R13=ffff888014b1fa38 R14=ffff888014b1fa98 R15=ffff888014b1f9f0 RIP=ffffffff8135f01b RFL=00000246 [---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 00007f003625f900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055aa2355a788 CR3=000000001e7df000 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=000000000000007373696d000a0d0920 XMM01=ffffffffffffff0f0e0d0c0b0a090807 XMM02=6c6261646e6174737265646e75206576 XMM03=736f682070752064656b6f6f6c206574 XMM04=000055aa23552870a0b7bcefa843cc00 XMM05=000055aa23553210000055aa1c062390 XMM06=000055aaffffffff0000000000000002 XMM07=00000000000000000000000000000000 XMM08=6e696c006b73616d750070756f726700 XMM09=00000000000000000000000000000000 XMM10=f1ae70f3b593b355508c0132662801da XMM11=f6b565626617696be7722f5ac2ba5a70 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000