[ 38.948048] ------------[ cut here ]------------ [ 38.948907] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.950993] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 38.952442] Modules linked in: [ 38.953087] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.955108] Tainted: [W]=WARN [ 38.955675] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.957178] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.958103] 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 [ 38.961325] RSP: 0018:ffff8880173c7bc0 EFLAGS: 00010286 [ 38.962316] RAX: 0000000000000000 RBX: ffffed1002e78f78 RCX: ffffffff813a4050 [ 38.963600] RDX: ffff888009a63780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.964893] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e78f2f [ 38.966234] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.967516] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880173c7df8 [ 38.968807] FS: 00007f6c38a7d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.970279] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.971348] CR2: 00007ffd8666fef7 CR3: 0000000009c64000 CR4: 0000000000350ef0 [ 38.972647] Call Trace: [ 38.973161] [ 38.973610] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.974513] ? __create_object+0x59/0x80 [ 38.975306] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.976293] __vmalloc_noprof+0x59/0x60 [ 38.977058] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.977903] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.978844] bpf_prog_alloc+0x39/0x200 [ 38.979581] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.980526] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.981451] do_seccomp+0x349/0x25e0 [ 38.982164] ? find_held_lock+0x2b/0x80 [ 38.982893] ? do_prlimit+0x310/0x610 [ 38.983653] ? __pfx_do_seccomp+0x10/0x10 [ 38.984451] ? do_raw_spin_unlock+0x53/0x220 [ 38.985302] ? _raw_spin_unlock+0x1e/0x40 [ 38.986084] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.987072] ? static_key_count+0x60/0x80 [ 38.987845] prctl_set_seccomp+0x4e/0x70 [ 38.988638] __do_sys_prctl+0xe6c/0x1d70 [ 38.989436] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.990309] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.991302] ? irqentry_exit+0xf3/0x650 [ 38.992074] do_syscall_64+0xbf/0x430 [ 38.992775] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.993744] RIP: 0033:0x7f6c38f6f5cd [ 38.994461] 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 [ 38.997724] RSP: 002b:00007ffd8666d460 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.999100] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6c38f6f5cd [ 39.000397] RDX: 000055f6afefee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.001705] RBP: 00007ffd8666d4c0 R08: 0000000000000000 R09: 00007ffd8666cb60 [ 39.003005] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f6ec473ad0 [ 39.004291] R13: 00007ffd8666d8f0 R14: 000055f6ec474bc0 R15: 000055f6ec485780 Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.007048] [ 39.007479] irq event stamp: 1783 [ 39.008141] hardirqs last enabled at (1793): [] __up_console_sem+0x78/0x80 [ 39.009699] hardirqs last disabled at (1802): [] __up_console_sem+0x5d/0x80 [ 39.011214] softirqs last enabled at (1638): [] handle_softirqs+0x50c/0x770 [ 39.012781] softirqs last disabled at (1629): [] __irq_exit_rcu+0xc4/0x100 [ 39.014181] ---[ end trace 0000000000000000 ]--- [ 41.753239] ------------[ cut here ]------------ [ 41.754161] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.756157] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 41.757609] Modules linked in: [ 41.758240] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.760480] Tainted: [W]=WARN [ 41.761137] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.762630] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.763545] 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 [ 41.767019] RSP: 0018:ffff88801a8cfbc0 EFLAGS: 00010286 [ 41.768016] RAX: 0000000000000000 RBX: ffffed1003519f78 RCX: ffffffff813a4050 [ 41.769639] RDX: ffff88801654b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.770942] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003519f2f [ 41.772233] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.773537] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a8cfdf8 [ 41.774812] FS: 00007f256a807900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.776269] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.777360] CR2: 00007ffd91aa9ef7 CR3: 000000000e0d6000 CR4: 0000000000350ef0 [ 41.778656] Call Trace: [ 41.779171] [ 41.779581] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.780492] ? __create_object+0x59/0x80 [ 41.781294] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.782274] __vmalloc_noprof+0x59/0x60 [ 41.783045] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.783868] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.784801] bpf_prog_alloc+0x39/0x200 [ 41.785549] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.786478] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.787388] do_seccomp+0x349/0x25e0 [ 41.788114] ? find_held_lock+0x2b/0x80 [ 41.788843] ? do_prlimit+0x310/0x610 [ 41.789598] ? __pfx_do_seccomp+0x10/0x10 [ 41.790380] ? do_raw_spin_unlock+0x53/0x220 [ 41.791213] ? _raw_spin_unlock+0x1e/0x40 [ 41.791988] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.792906] ? static_key_count+0x60/0x80 [ 41.793727] prctl_set_seccomp+0x4e/0x70 [ 41.794498] __do_sys_prctl+0xe6c/0x1d70 [ 41.795283] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.796141] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.797112] ? irqentry_exit+0xf3/0x650 [ 41.797839] do_syscall_64+0xbf/0x430 [ 41.798576] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.799532] RIP: 0033:0x7f256acf95cd [ 41.800231] 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 [ 41.803429] RSP: 002b:00007ffd91aa8a70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.804791] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f256acf95cd [ 41.806089] RDX: 0000562825f2ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.807392] RBP: 00007ffd91aa8ad0 R08: 0000000000000000 R09: 00007ffd91aa8170 [ 41.808688] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562838f47b10 [ 41.809983] R13: 00007ffd91aa8f00 R14: 0000562838f482b0 R15: 0000562838f5c6f0 [ 41.811301] [ 41.811728] irq event stamp: 1825 [ 41.812378] hardirqs last enabled at (1835): [] __up_console_sem+0x78/0x80 [ 41.813908] hardirqs last disabled at (1844): [] __up_console_sem+0x5d/0x80 [ 41.815215] softirqs last enabled at (1784): [] handle_softirqs+0x50c/0x770 [ 41.816530] softirqs last disabled at (1779): [] __irq_exit_rcu+0xc4/0x100 [ 41.817819] ---[ end trace 0000000000000000 ]--- [ 42.423882] ------------[ cut here ]------------ [ 42.424830] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.426847] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 42.428299] Modules linked in: [ 42.428897] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.430951] Tainted: [W]=WARN [ 42.431514] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.432963] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.433856] 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 [ 42.437381] RSP: 0018:ffff88801add7bc0 EFLAGS: 00010286 [ 42.438370] RAX: 0000000000000000 RBX: ffffed10035baf78 RCX: ffffffff813a4050 [ 42.439647] RDX: ffff8880158ed340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.440944] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10035baf2f [ 42.442238] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.443511] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801add7df8 [ 42.444788] FS: 00007f108d2fc900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.446240] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.447407] CR2: 00007fffdd1ceef7 CR3: 000000000dfbc000 CR4: 0000000000350ef0 [ 42.448724] Call Trace: [ 42.449250] [ 42.449692] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.450596] ? __create_object+0x59/0x80 [ 42.451500] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.452476] __vmalloc_noprof+0x59/0x60 [ 42.453213] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.454091] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.455012] bpf_prog_alloc+0x39/0x200 [ 42.455710] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.456639] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.457558] do_seccomp+0x349/0x25e0 [ 42.458240] ? find_held_lock+0x2b/0x80 [ 42.458827] ? do_prlimit+0x310/0x610 [ 42.459432] ? __pfx_do_seccomp+0x10/0x10 [ 42.460068] ? do_raw_spin_unlock+0x53/0x220 [ 42.460719] ? _raw_spin_unlock+0x1e/0x40 [ 42.461379] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.462221] ? static_key_count+0x60/0x80 [ 42.462854] prctl_set_seccomp+0x4e/0x70 [ 42.463501] __do_sys_prctl+0xe6c/0x1d70 [ 42.464259] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.464970] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.465749] ? irqentry_exit+0xf3/0x650 [ 42.466382] do_syscall_64+0xbf/0x430 [ 42.466986] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.467731] RIP: 0033:0x7f108d7ee5cd [ 42.468317] 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 [ 42.470954] RSP: 002b:00007fffdd1cde20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.472082] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f108d7ee5cd [ 42.473143] RDX: 0000563e7f2aee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.474349] RBP: 00007fffdd1cde80 R08: 0000000000000000 R09: 00007fffdd1cd520 [ 42.475471] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563ea268c240 [ 42.476531] R13: 00007fffdd1ce2b0 R14: 0000563ea268bbf0 R15: 0000563ea26a04d0 [ 42.477604] [ 42.477984] irq event stamp: 1697 [ 42.478494] hardirqs last enabled at (1705): [] __up_console_sem+0x78/0x80 [ 42.479759] hardirqs last disabled at (1714): [] __up_console_sem+0x5d/0x80 [ 42.481059] softirqs last enabled at (1730): [] handle_softirqs+0x50c/0x770 [ 42.482451] softirqs last disabled at (1723): [] __irq_exit_rcu+0xc4/0x100 [ 42.483871] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:31978' (ECDSA) to the list of known hosts. 2025/11/18 16:13:41 fuzzer started 2025/11/18 16:13:42 dialing manager at localhost:34383 2025/11/18 16:13:42 checking machine... 2025/11/18 16:13:42 checking revisions... [ 43.316126] kmemleak: Automatic memory scanning thread ended 2025/11/18 16:13:42 testing simple program... [ 43.392594] cgroup: Unknown subsys name 'net' [ 43.442547] cgroup: Unknown subsys name 'cpuset' [ 43.455134] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 52.187771] audit: type=1400 audit(1763482431.179:7): avc: denied { execmem } for pid=278 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: 16:13:41 Registers: info registers vcpu 0 RAX=000000000003ddc3 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffffffff0b80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] 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 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=00007fff558062b8 CR3=000000000e46e000 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=2031343a33313a363120383120766f4e XMM01=73732878696e755f6d6170203a5d3234 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3234325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732030343a33313a3631203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=0000000000000300 RCX=ffffffff81c0a335 RDX=ffff888015a90000 RSI=ffffffff81c0a346 RDI=ffff88801ccd0c40 RBP=ffff88801ccd0c40 RSP=ffff88801597fc00 R8 =0000000000000001 R9 =0000000000000001 R10=0000000000000300 R11=0000000000000001 R12=ffff88801ccd0cc0 R13=ffff88801ccd0d10 R14=ffff88801ccd0dc8 R15=ffff88801ccd0cc0 RIP=ffffffff81c09c90 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 00007f256a807900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd91aa2000 CR3=000000000e0e1000 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=6720646572637465733a4d41503d706f 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