[ 39.321643] ------------[ cut here ]------------ [ 39.322553] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.324583] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 39.326260] Modules linked in: [ 39.326854] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.328935] Tainted: [W]=WARN [ 39.329551] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.331030] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.331893] 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 [ 39.335086] RSP: 0018:ffff888019f2fbc0 EFLAGS: 00010286 [ 39.336071] RAX: 0000000000000000 RBX: ffffed10033e5f78 RCX: ffffffff813a4050 [ 39.337364] RDX: ffff888015f6d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.338654] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033e5f2f [ 39.339959] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.341271] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019f2fdf8 [ 39.342554] FS: 00007facdd9f3900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.344022] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.345088] CR2: 00007facddee5580 CR3: 000000001b5f1000 CR4: 0000000000350ef0 [ 39.346378] Call Trace: [ 39.346845] [ 39.347305] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.348220] ? __create_object+0x59/0x80 [ 39.348960] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.349948] __vmalloc_noprof+0x59/0x60 [ 39.350715] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.351590] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.352535] bpf_prog_alloc+0x39/0x200 [ 39.353279] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.354212] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.355127] do_seccomp+0x349/0x25e0 [ 39.355810] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.356733] ? __pfx_do_seccomp+0x10/0x10 [ 39.357528] ? find_held_lock+0x2b/0x80 [ 39.358302] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.359269] ? static_key_count+0x60/0x80 [ 39.360078] prctl_set_seccomp+0x4e/0x70 [ 39.360818] __do_sys_prctl+0xe6c/0x1d70 [ 39.361614] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.362467] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.363444] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.364427] ? irqentry_exit+0xf3/0x650 [ 39.365209] do_syscall_64+0xbf/0x430 [ 39.365916] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.366875] RIP: 0033:0x7facddee55cd [ 39.367582] 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 [ 39.370754] RSP: 002b:00007fffbe31e7f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.372135] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007facddee55cd [ 39.373424] RDX: 0000565409fe3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.374708] RBP: 00007fffbe31e850 R08: 0000000000000000 R09: 00007fffbe31def0 [ 39.376023] R10: 0000000000000000 R11: 0000000000000246 R12: 000056541b30ebf0 [ 39.377318] R13: 00007fffbe31ec80 R14: 000056541b318380 R15: 000056541b323460 [ 39.378626] [ 39.379091] irq event stamp: 1745 [ 39.379711] hardirqs last enabled at (1753): [] __up_console_sem+0x78/0x80 [ 39.381256] hardirqs last disabled at (1762): [] __up_console_sem+0x5d/0x80 [ 39.382777] softirqs last enabled at (1656): [] handle_softirqs+0x50c/0x770 [ 39.384340] softirqs last disabled at (1651): [] __irq_exit_rcu+0xc4/0x100 [ 39.385587] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.971116] ------------[ cut here ]------------ [ 41.972043] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.974076] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 41.975554] Modules linked in: [ 41.976455] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.978942] Tainted: [W]=WARN [ 41.979559] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.981074] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.981954] 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 [ 41.985188] RSP: 0018:ffff888019ee7bc0 EFLAGS: 00010286 [ 41.986181] RAX: 0000000000000000 RBX: ffffed10033dcf78 RCX: ffffffff813a4050 [ 41.987466] RDX: ffff88800f7c1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.988787] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033dcf2f [ 41.990076] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.991363] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019ee7df8 [ 41.992668] FS: 00007f1330c3d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.994130] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.995206] CR2: 00007ffe6b795ef8 CR3: 000000001f927000 CR4: 0000000000350ef0 [ 41.996519] Call Trace: [ 41.997026] [ 41.997450] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.998346] ? __create_object+0x59/0x80 [ 41.999137] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.000126] __vmalloc_noprof+0x59/0x60 [ 42.000853] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.001737] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.002685] bpf_prog_alloc+0x39/0x200 [ 42.003437] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.004389] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.005302] do_seccomp+0x349/0x25e0 [ 42.005971] ? find_held_lock+0x2b/0x80 [ 42.006748] ? do_prlimit+0x310/0x610 [ 42.007503] ? __pfx_do_seccomp+0x10/0x10 [ 42.008313] ? do_raw_spin_unlock+0x53/0x220 [ 42.009158] ? _raw_spin_unlock+0x1e/0x40 [ 42.009903] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.010864] ? static_key_count+0x60/0x80 [ 42.011665] prctl_set_seccomp+0x4e/0x70 [ 42.012475] __do_sys_prctl+0xe6c/0x1d70 [ 42.013261] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.014124] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.015113] do_syscall_64+0xbf/0x430 [ 42.015808] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.016771] RIP: 0033:0x7f133112f5cd [ 42.017490] 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 [ 42.020716] RSP: 002b:00007ffe6b793f80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.022098] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f133112f5cd [ 42.023391] RDX: 000055ad3c4d9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.024707] RBP: 00007ffe6b793fe0 R08: 0000000000000000 R09: 00007ffe6b793680 [ 42.026003] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ad4942bad0 [ 42.027303] R13: 00007ffe6b794410 R14: 000055ad4942cbc0 R15: 000055ad4943d780 [ 42.028613] [ 42.029071] irq event stamp: 1867 [ 42.029689] hardirqs last enabled at (1875): [] __up_console_sem+0x78/0x80 [ 42.031213] hardirqs last disabled at (1884): [] __up_console_sem+0x5d/0x80 [ 42.032763] softirqs last enabled at (1788): [] handle_softirqs+0x50c/0x770 [ 42.034317] softirqs last disabled at (1783): [] __irq_exit_rcu+0xc4/0x100 [ 42.035851] ---[ end trace 0000000000000000 ]--- [ 42.817526] ------------[ cut here ]------------ [ 42.818567] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.820887] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.822796] Modules linked in: [ 42.823617] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.825926] Tainted: [W]=WARN [ 42.826631] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.828357] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.829413] 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 [ 42.833081] RSP: 0018:ffff88801876fbc0 EFLAGS: 00010286 [ 42.834217] RAX: 0000000000000000 RBX: ffffed10030edf78 RCX: ffffffff813a4050 [ 42.835696] RDX: ffff88801990d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.837193] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030edf2f [ 42.838682] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.840184] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801876fdf8 [ 42.841686] FS: 00007fd09bad1900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.843363] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.844622] CR2: 00007fd09bfc3580 CR3: 000000000e8e1000 CR4: 0000000000350ef0 [ 42.846122] Call Trace: [ 42.846658] [ 42.847205] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.848246] ? __create_object+0x59/0x80 [ 42.849040] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.849943] __vmalloc_noprof+0x59/0x60 [ 42.850696] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.851549] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.852480] bpf_prog_alloc+0x39/0x200 [ 42.853214] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.854129] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.854977] do_seccomp+0x349/0x25e0 [ 42.855687] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.856592] ? __pfx_do_seccomp+0x10/0x10 [ 42.857379] ? find_held_lock+0x2b/0x80 [ 42.858134] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.859086] ? static_key_count+0x60/0x80 [ 42.859823] prctl_set_seccomp+0x4e/0x70 [ 42.860601] __do_sys_prctl+0xe6c/0x1d70 [ 42.861372] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.862222] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.863182] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.864153] ? irqentry_exit+0xf3/0x650 [ 42.864863] do_syscall_64+0xbf/0x430 [ 42.865590] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.866524] RIP: 0033:0x7fd09bfc35cd [ 42.867208] 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 [ 42.870341] RSP: 002b:00007ffd6b3b78b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.871673] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd09bfc35cd [ 42.872952] RDX: 0000560331e07e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.874216] RBP: 00007ffd6b3b7910 R08: 0000000000000000 R09: 00007ffd6b3b6fb0 [ 42.875484] R10: 0000000000000000 R11: 0000000000000246 R12: 00005603452c72b0 [ 42.876553] R13: 00007ffd6b3b7d40 R14: 00005603452c9d20 R15: 00005603452db8d0 [ 42.877345] [ 42.877606] irq event stamp: 1871 [ 42.877976] hardirqs last enabled at (1879): [] __up_console_sem+0x78/0x80 [ 42.878902] hardirqs last disabled at (1888): [] __up_console_sem+0x5d/0x80 [ 42.879834] softirqs last enabled at (1716): [] handle_softirqs+0x50c/0x770 [ 42.880786] softirqs last disabled at (1711): [] __irq_exit_rcu+0xc4/0x100 [ 42.881713] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:29333' (ECDSA) to the list of known hosts. 2025/11/18 09:16:04 fuzzer started 2025/11/18 09:16:05 dialing manager at localhost:34383 2025/11/18 09:16:05 checking machine... 2025/11/18 09:16:05 checking revisions... [ 43.760186] kmemleak: Automatic memory scanning thread ended 2025/11/18 09:16:05 testing simple program... [ 43.860956] cgroup: Unknown subsys name 'net' [ 43.913764] cgroup: Unknown subsys name 'cpuset' [ 43.925874] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 52.600175] audit: type=1400 audit(1763457374.142:7): 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: 09:16:04 Registers: info registers vcpu 0 RAX=0000000000000004 RBX=ffff888009a89bc0 RCX=ffffffff87d0f2d0 RDX=0000000000000001 RSI=0000000000000000 RDI=0000000000000006 RBP=ffff888009a8a618 RSP=ffff888009a9e8a8 R8 =0000000000080000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888009a8a708 R13=0000000000000002 R14=0000000000000000 R15=0000000000000004 RIP=ffffffff81527203 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f13311f50b0 CR3=000000001f932000 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=25252525252525252525252525252525 XMM01=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=662079726f6d656d20666f2074756f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000001c979 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 fffffe4000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f13311f2650 CR3=000000001f932000 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