[ 38.964039] ------------[ cut here ]------------ [ 38.964993] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.966989] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.968465] Modules linked in: [ 38.969108] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.971096] Tainted: [W]=WARN [ 38.971656] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.973183] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.974097] 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 [ 38.977284] RSP: 0018:ffff88801c0dfbc0 EFLAGS: 00010286 [ 38.978273] RAX: 0000000000000000 RBX: ffffed100381bf78 RCX: ffffffff813a4050 [ 38.979582] RDX: ffff888009b5d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.980896] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100381bf2f [ 38.982193] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.983505] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c0dfdf8 [ 38.984810] FS: 00007fd3a9e59900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.986262] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.987346] CR2: 00007ffca3c53ef7 CR3: 000000000dfc1000 CR4: 0000000000350ef0 [ 38.988648] Call Trace: [ 38.989159] [ 38.989576] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.990503] ? __create_object+0x59/0x80 [ 38.991291] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.992291] __vmalloc_noprof+0x59/0x60 [ 38.993064] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.993942] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.994894] bpf_prog_alloc+0x39/0x200 [ 38.995606] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.996550] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.997453] do_seccomp+0x349/0x25e0 [ 38.998181] ? find_held_lock+0x2b/0x80 [ 38.998942] ? do_prlimit+0x310/0x610 [ 38.999717] ? __pfx_do_seccomp+0x10/0x10 [ 39.000470] ? do_raw_spin_unlock+0x53/0x220 [ 39.001295] ? _raw_spin_unlock+0x1e/0x40 [ 39.002092] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.003059] ? static_key_count+0x60/0x80 [ 39.003889] prctl_set_seccomp+0x4e/0x70 [ 39.004621] __do_sys_prctl+0xe6c/0x1d70 [ 39.005409] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.006280] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.007250] ? irqentry_exit+0xf3/0x650 [ 39.008034] do_syscall_64+0xbf/0x430 [ 39.008802] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.009768] RIP: 0033:0x7fd3aa34b5cd [ 39.010440] 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 [ 39.013383] RSP: 002b:00007ffca3c521e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.014514] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd3aa34b5cd [ 39.015598] RDX: 000056274388fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.016669] RBP: 00007ffca3c52240 R08: 0000000000000000 R09: 00007ffca3c518e0 [ 39.017745] R10: 0000000000000000 R11: 0000000000000246 R12: 00005627622abad0 [ 39.018833] R13: 00007ffca3c52670 R14: 00005627622acbc0 R15: 00005627622bd780 [ 39.019934] [ 39.020290] irq event stamp: 1777 [ 39.020844] hardirqs last enabled at (1787): [] __up_console_sem+0x78/0x80 [ 39.022113] hardirqs last disabled at (1796): [] __up_console_sem+0x5d/0x80 [ 39.023410] softirqs last enabled at (1756): [] handle_softirqs+0x50c/0x770 [ 39.024703] softirqs last disabled at (1751): [] __irq_exit_rcu+0xc4/0x100 [ 39.025975] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.634989] ------------[ cut here ]------------ [ 42.635915] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.637888] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.639350] Modules linked in: [ 42.640203] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.642238] Tainted: [W]=WARN [ 42.642838] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.644306] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.645213] 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 [ 42.648392] RSP: 0018:ffff888017177bc0 EFLAGS: 00010286 [ 42.649356] RAX: 0000000000000000 RBX: ffffed1002e2ef78 RCX: ffffffff813a4050 [ 42.650647] RDX: ffff88800a3d9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.651939] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e2ef2f [ 42.653214] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.654504] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017177df8 [ 42.655805] FS: 00007ff96f68a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.657264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.658346] CR2: 00007ff96fbf04a6 CR3: 000000000e075000 CR4: 0000000000350ef0 [ 42.659652] Call Trace: [ 42.660152] [ 42.660570] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.661472] ? __create_object+0x59/0x80 [ 42.662239] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.663195] __vmalloc_noprof+0x59/0x60 [ 42.663961] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.664838] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.665769] bpf_prog_alloc+0x39/0x200 [ 42.666455] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.667387] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.668308] do_seccomp+0x349/0x25e0 [ 42.669017] ? find_held_lock+0x2b/0x80 [ 42.669770] ? do_prlimit+0x310/0x610 [ 42.670486] ? __pfx_do_seccomp+0x10/0x10 [ 42.671275] ? do_raw_spin_unlock+0x53/0x220 [ 42.672118] ? _raw_spin_unlock+0x1e/0x40 [ 42.672883] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.673859] ? static_key_count+0x60/0x80 [ 42.674611] prctl_set_seccomp+0x4e/0x70 [ 42.675392] __do_sys_prctl+0xe6c/0x1d70 [ 42.676167] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.677037] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.678009] ? irqentry_exit+0xf3/0x650 [ 42.678777] do_syscall_64+0xbf/0x430 [ 42.679493] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.680437] RIP: 0033:0x7ff96fb7c5cd [ 42.681153] 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 [ 42.684307] RSP: 002b:00007ffd6142cf60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.685658] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff96fb7c5cd [ 42.686965] RDX: 0000564c09168e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.688264] RBP: 00007ffd6142cfc0 R08: 0000000000000000 R09: 00007ffd6142c660 [ 42.689557] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564c37995240 [ 42.690824] R13: 00007ffd6142d3f0 R14: 0000564c37994bf0 R15: 0000564c379a94d0 [ 42.692139] [ 42.692567] irq event stamp: 1835 [ 42.693207] hardirqs last enabled at (1845): [] __up_console_sem+0x78/0x80 [ 42.694730] hardirqs last disabled at (1854): [] __up_console_sem+0x5d/0x80 [ 42.696260] softirqs last enabled at (1718): [] handle_softirqs+0x50c/0x770 [ 42.697803] softirqs last disabled at (1713): [] __irq_exit_rcu+0xc4/0x100 [ 42.699328] ---[ end trace 0000000000000000 ]--- [ 43.479563] ------------[ cut here ]------------ [ 43.480479] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.482558] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 43.484089] Modules linked in: [ 43.484735] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.486749] Tainted: [W]=WARN [ 43.487309] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.488795] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.489666] 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 [ 43.492891] RSP: 0018:ffff888018bdfbc0 EFLAGS: 00010286 [ 43.493878] RAX: 0000000000000000 RBX: ffffed100317bf78 RCX: ffffffff813a4050 [ 43.495175] RDX: ffff888016438000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.496479] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100317bf2f [ 43.497772] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.499072] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018bdfdf8 [ 43.500388] FS: 00007f9914e45900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.501833] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.502908] CR2: 00007f9915337580 CR3: 000000000e2c5000 CR4: 0000000000350ef0 [ 43.504225] Call Trace: [ 43.504739] [ 43.505153] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.506054] ? __create_object+0x59/0x80 [ 43.506849] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.507853] __vmalloc_noprof+0x59/0x60 [ 43.508575] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.509450] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.510365] bpf_prog_alloc+0x39/0x200 [ 43.511108] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.512054] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.512970] do_seccomp+0x349/0x25e0 [ 43.513650] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.514556] ? __pfx_do_seccomp+0x10/0x10 [ 43.515350] ? find_held_lock+0x2b/0x80 [ 43.516108] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.517090] ? static_key_count+0x60/0x80 [ 43.517907] prctl_set_seccomp+0x4e/0x70 [ 43.518656] __do_sys_prctl+0xe6c/0x1d70 [ 43.519469] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.520325] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.521295] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.522272] ? irqentry_exit+0xf3/0x650 [ 43.523049] do_syscall_64+0xbf/0x430 [ 43.523802] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.524771] RIP: 0033:0x7f99153375cd [ 43.525443] 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 [ 43.528638] RSP: 002b:00007fffcdd10140 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.530007] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f99153375cd [ 43.531305] RDX: 000056010e2b1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.532610] RBP: 00007fffcdd101a0 R08: 0000000000000000 R09: 00007fffcdd0f840 [ 43.533899] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560146529bf0 [ 43.535197] R13: 00007fffcdd105d0 R14: 0000560146533380 R15: 000056014653e460 [ 43.536514] [ 43.536974] irq event stamp: 1745 [ 43.537587] hardirqs last enabled at (1753): [] __up_console_sem+0x78/0x80 [ 43.539121] hardirqs last disabled at (1762): [] __up_console_sem+0x5d/0x80 [ 43.540647] softirqs last enabled at (1302): [] handle_softirqs+0x50c/0x770 [ 43.542222] softirqs last disabled at (1297): [] __irq_exit_rcu+0xc4/0x100 [ 43.543754] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:38395' (ECDSA) to the list of known hosts. 2025/11/19 04:42:19 fuzzer started 2025/11/19 04:42:20 dialing manager at localhost:34383 2025/11/19 04:42:20 checking machine... 2025/11/19 04:42:20 checking revisions... [ 44.418865] kmemleak: Automatic memory scanning thread ended 2025/11/19 04:42:20 testing simple program... [ 44.514395] cgroup: Unknown subsys name 'net' [ 44.584452] cgroup: Unknown subsys name 'cpuset' [ 44.596857] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 52.846753] audit: type=1400 audit(1763527348.668:7): avc: denied { execmem } for pid=274 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: 04:42:19 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000001 RCX=bf8f23be2ec242e7 RDX=1ffff110017fbf06 RSI=00000000585a4eba RDI=ffff88806ce31cd0 RBP=ffff88800bfdf828 RSP=ffff88800bfdf760 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88800bfdf830 R13=ffff88800bfdf818 R14=ffff888016660000 R15=ffff88800bfdf7d0 RIP=ffffffff8135e4e0 RFL=00000216 [----AP-] 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 00007ff96f68a900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff96f669020 CR3=000000000d4f6000 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=000000000002562f 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 fffffe2f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe177898000 CR3=000000000d747000 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=4c4808e8057a348ecb402b2b2b0aa10b XMM02=0000000000302878ec2efd57dc4c00df XMM03=000000000030e670ca53de742e386d2f XMM04=784aea777ff9f04b00000000000ae988 XMM05=dac966a90c3d6260000000000031ff38 XMM06=d74844bf967d85ba000000000031efd8 XMM07=e042d86d42eb936e000000000030e948 XMM08=ca53de742e386d2f00000000003028d8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000